Class 10 Nco 5 Years e Book

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(2) Copyright © 2015 Science Olympiad Foundation. Printed with the permission of Science Olympiad Foundation. No part. of this publication may be reproduced, transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior permission of the copyright holder. Ownership of an ebook does not give the possessor the ebook copyright. All disputes subject to Delhi jurisdiction only.. Disclaimer : The information in this book is to give you the path to success but it does not guarantee 100% success as the strategy is completely dependent on its execution. And it is based on last years papers of NCO exam.. Published by : MTG Learning Media (P) Ltd. Corporate Office : Plot 99, 2nd Floor, Sector 44 Institutional Area, Gurgaon, Haryana. Phone : 0124 - 4951200 Web: mtg.in Email: [email protected] Regd. Office : 406, Taj Apt., Ring Road, Near Safdarjung Hospital, New Delhi-110029. Visit. www.mtg.in for buying books online..

(3) CLASS 10. Contents ªª 10th NCO 2010 ªª 11th NCO 2011 ªª 12th NCO 2012 - SET A ªª 12th NCO 2012 - SET B ªª 13th NCO 2013 - SET A ªª 13th NCO 2013 - SET B ªª 14th NCO 2014 - SET A ªª 14th NCO 2014 - SET B.

(4) MTG Work-Books / olympiad books CLASS 1. International Mathematics Olympiad. National Science Olympiad. International English Olympiad. MTG CSS Series. CLASS 2. International Mathematics Olympiad. National Science Olympiad. National Cyber Olympiad. International English Olympiad. MTG CSS Series. International English Olympiad. MTG CSS Series. CLASS 3. International Mathematics Olympiad. National Science Olympiad. National Cyber Olympiad.

(5) MTG Work-Books / olympiad books CLASS 4. International Mathematics Olympiad. National Science Olympiad. National Cyber Olympiad. International English Olympiad. MTG CSS Series. International English Olympiad. MTG CSS Series. International English Olympiad. MTG CSS Series. CLASS 5. International Mathematics Olympiad. National Science Olympiad. National Cyber Olympiad. CLASS 6. International Mathematics Olympiad. National Science Olympiad. National Cyber Olympiad.

(6) MTG Work-Books / olympiad books CLASS 7. National Science Olympiad. International Mathematics Olympiad. National Cyber Olympiad. Science IQ Challenge. Math IQ Challenge. International English Olympiad. MTG CSS Series. Master Mental Ability in 30 Days. CLASS 8. International Mathematics Olympiad. National Science Olympiad. National Cyber Olympiad. International English Olympiad. MTG CSS Series. Math IQ Challenge. Science IQ Challenge. Psychology of Success. The Secrets of SUCCESS. Master Mental Ability in 30 Days.

(7) MTG Work-Books / olympiad books CLASS 9. International Mathematics Olympiad. Math IQ Challenge. National Science Olympiad. Science IQ Challenge. National Cyber Olympiad. Psychology of Success. The Secrets of SUCCESS. International English Olympiad. Master Mental Ability in 30 Days. CLASS 10. International Mathematics Olympiad. Math IQ Challenge. National Science Olympiad. Science IQ Challenge. National Cyber Olympiad. Psychology of Success. The Secrets of SUCCESS. International English Olympiad. Master Mental Ability in 30 Days.

(8) MTG Work-Books / olympiad books CLASS 11. International Mathematics Olympiad. Math IQ Challenge. Science IQ Challenge. National Science Olympiad. Psychology of Success. National Cyber Olympiad. The Secrets of SUCCESS. Master Mental Ability in 30 Days. CLASS 12. International Mathematics Olympiad. Math IQ Challenge. Science IQ Challenge. National Science Olympiad. Psychology of Success. National Cyber Olympiad. The Secrets of SUCCESS. Master Mental Ability in 30 Days.

(9) Class. 1 to 10.

(10) JEE (Main & Advanced) | AIPMT | BOARDS | OLYMPIAD | NTSE. FOUNDATION COURSE For Classes 7, 8, 9 & 10 Class 7. Class 8. Class 9. Class 10.

(11) Class 10 10th. Year 2010. Copyright©2015. Science Olympiad Foundation (SOF).

(12) Class 10 | 10th NCO - 2010. 2 . MENTAL ABILITY 1. . y . Rehaan is using a computer program to design parts for a new car. He has outlined onehalf of a part on a coordinate grid. Rather than draw the second half, he plans to have the computer reflect this shape over the yaxis ? Which of the following represents the 5 vertices of the reflected shape ? . 5 4 3 2 1 –5 –4 –3 –2 –10 1 2 3 4 5 –1 –2 –3 –4 –5 . (A) (0, 0); (0, 2); (–1, 3); (–2, 3); (–2, 0) (B) (0, 0); (0, 3); (–1, 3); (–2, 2); (–2, 0) (C) (0, 0); (0, –3); (1, –3); (2, –2); (2, 0) . x . (D) (0, 0); (0, –3); (–1, –3); (–2, –2); (–2, 0) 2. . 3. . In the diagram shown here, one segment AT is a diameter of the circle with centre O. What is the area of the shaded part of the circle ? (A) 18.3 cm 2 . (B) 42.3 cm 2 . (C) 145.6 cm 2 . (D) 194.1 cm 2 . A . T O 30° cm 16. Ayush was born two years after his father's marriage. His mother is five years younger than his father but 20 years older than Ayush who is 10 years old. At what age did the father get married ? (A) 23 years . (B) 25 years . (C) 33 years . (D) 35 years . DIRECTION (45) : Read the following information to answer the following questions : A bag contains coins of four different denominations, viz. 1 Rupee, 50paise, 25paise and 10paise. There are as many 50paise coins as the value of 25paise coins in rupees. The value of 1rupee coins is 5 times the value of 50paise coins. The ratio of the number of 10paise coins to that of 1rupee coins is 4 : 3, while the total number of coins in the bag is 325. 4. . How many 10paise coins are there ? (A) 25 . 5. . (D) 100 . (B) Rs. 15 . (C) Rs. 20 . (D) Rs. 30 . Given : A vehicle can travel across the desert at 20 m/hr. Its road speed is 50 m/hr. The distance from Q to P is x metres. The distance from P to R is y metres. Which expression represents the time (in hours) it would take to travel from Q to R through P ? (A) 20x + 50y . 7. . (C) 75 . What is the value of 50paise coins ? (A) Rs. 10 . 6. . (B) 50 . (B) 50x + 20y . (C) . Q . de s x ert . R . P y road . x y + 20 50 . (D) . Look at the given rectangles. The rectangles have the same width. The length of rectangle M is 4 units less than the length of rectangle N. Which of the following statement about these rectangles must be true ? (A) The perimeter of rectangle M is 8 units less than the perimeter of rectangle N. (B) The area of rectangle M is 16 square units less than the area of rectangle N. (C) The perimeter of rectangle M is 16 units less than the perimeter of rectangle N. (D) The area of rectangle M is 16 square units more than the area of rectangle N.. Copyright©2015. Science Olympiad Foundation (SOF). ( x + y ) (20 + 50) M . N .

(13) Class 10 | 10th NCO - 2010. 8. . 3 . Ashish leaves his house at 20 minutes to seven in the morning, reaches Kunal's house in 25 minutes, they finish their breakfast in another 15 minutes and leave for their office which takes another 35 minutes. At what time do they leave Kunal's house to reach their office ? (A) 7:40 a.m. . (B) 7:20 a.m. . (C) 7:45 a.m. . (D) 8:15 a.m. . DIRECTION : In an imaginary language, the digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 are substituted by a, b, c, d, e, f, g, h, i and j. And 10 is written as ba. 9. . dc × f – (bf – d) × d is equal to ______ (A) abb . (B) abe . (C) bce . (D) bcf . 31 5 , 7 , 50, 7.82 4 8 Which series shows these numbers ordered from least to greatest ? . 10. Four numbers are shown. . 5 31 (A) 7 , , 7.82, 50 8 4 . (B) . 50, 7.82,. 31 5 , 7 4 8 . 7 + 4 3 , then x 2 (x – 14) 2 = _________ 7-4 3 (A) 1 (B) –1 . (C) . 5 31 50, 7 , , 7.82 8 4 . (D) . 31 5 , 50, 7 , 7.82 4 8 . 11. If x =. (C) 12 . 12. A missing helicopter is reported to have crashed . (D) –12 6 km . somewhere in the rectangular region shown in Lake . the figure. What is the probability that it crashed 4.5 km . inside the lake shown in the figure ? 5 27 9 (C) 28. 5 28 2 (D) 27 . 2 km . (B) . (A) . 9 km . 13. Weekly salaries of the employees at a Weekly Salaries at Video Store . local video store are shown in the table. What is the mean weekly salary at this . Weekly Salaries (Rs.) . Number of Employees at this Salary . 1,000 500 350 . 1 . video store (in Rs.) ? (A) 230.48 (B) 242.00 . 2 4 8 . 120 80 . (C) 322.67 (D) 350.00 . 6 y . 14. The graph of the function f (x) is shown here. Which of the following is not a zero of f (x) ? (A) –4 (B) –3 (C) 2 . 4 3 2 1 3 2 1 0 1 2 3 4 5 6 1 2 3 4 . (D) 6. Copyright©2015. Science Olympiad Foundation (SOF). y = f (x ) x .

(14) Class 10 | 10th NCO - 2010. 4 . 15. Mohit and Tarun disagreed about the answer to a problem. Mohit said that the equation they were working on satisfies more than one value. If Mohit is correct, on which of these equations could they have been working ? (A) 2x + 4 = 3x + 4 . (B) 2x + 4 = 3x + 5 . (C) 2x + 4 = 2(x + 2) . (D) 2x + 4 = 2(x + 3) . LOGICAL AND ANALYTICAL REASONING DIRECTION : The following problem contains four Problem figures marked 1, 2, 3 and 4 and four Answer figures marked A, B, C, and D. Select a figure from amongst the Answer figures which will continue the same series as given in the Problem figures. Problem figures . 16. 1 . 2 . 3 . 4 . (A) . (B) . (C) . (D) . 17. Read the information given below. (i) There is a group of five girls. (ii) Kamini is second in height but younger than Rupa. (iii) Pooja is taller than Monika but younger in age. (iv) Rupa and Monika are of same age but Rupa is taller between them. (v) Neelam is taller than Pooja and elder to Rupa. If they are arranged in the ascending order of height, who will be in the third position ? (A) Monika . (B) Monika or Rupa . (C) Rupa . (D) Neelam . 18. Which of the following diagram correctly shows relationship between "Car, Train and Automobile" ? . (A) . (B) . (C) . (D) . 19. Pradeep correctly remembers that he visited Chennai before twelfth of July but after eighth of July. His friend correctly remembers that Pradeep visited Chennai after tenth of July but before fourteenth of July. On which day of July, Pradeep Visited Chennai ? (A) Eleventh . (B) Twelfth . (C) Tenth . (D) Either tenth or eleventh . 20. Complete the series . ? . × (A) . = × . (B) . = × . × = . = × (C) . = × . = × (D) . = × . 21. Statement : Should the parents in India in future be forced to opt for only one child as against two or many at present ? Arguments : (i). Yes. This is the only way to check the everincreasing population of India. (ii). No. This type of pressure tactic is not adopted by any other country in the world. (A) Only argument (i) is strong (B) Only argument (ii) is strong (C) Either (i) or (ii) is strong (D) Neither (i) nor (ii) is strong. Copyright©2015. Science Olympiad Foundation (SOF).

(15) Class 10 | 10th NCO - 2010. 5 . 22. Three statements are given followed by four conclusions numbered I, II, III and IV. You have to take the given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusion logically follows from the given statements disregarding commonly known facts. Statements : All buildings are rains. All papers are buildings. All dogs are papers. Conclusions : (i) All dogs are rains (iii) Some rains are buildings . (ii) Some papers are rains (iv) Some rains are papers . (A) Only (i) and (ii) follow . (B) Only (ii) and (iii) follow . (C) Only (i), (ii) and (iii) follow . (D) None of these . 23. How many squares are there in the following figure ? (A) 19 . (B) 16 . (C) 18 . (D) 20 . 24. A statement is given followed by two conclusions numbered I and II. Choose ____ Statement : Sealed tenders are invited from competent contractors experienced in executing construction jobs. Conclusions : I. Tenders are invited only from experienced contractors. II. It is difficult to find competent tenderers in construction jobs. (A) If conclusion I follows . (B) If only conclusion II follows . (C) If either I or II follows . (D) If neither I nor II follows . 25. If 'A' stands for +, 'B' stands for –, 'C' stands for '×', then what is the value of (10 C 4) A(4 C 4) B 6 ? (A) 60 . (B) 56 . (C) 50 . (D) 46 . 26. A man is facing North West. He turns 90° in the clockwise direction and then 135° in the anticlockwise direction. Which direction is he facing now ? (A) East . (B) West . (C) North . (D) South . 27. A and B are a married couple. X and Y are brothers. X is brother of A. How is Y related to B? (A) Brotherinlaw . (B) Brother . (C) Cousin . (D) Soninlaw . 28. If in a certain language A is coded as 1, B is coded as 2, and so on. How is BIDDIC coded in that code ? (A) 294493 . (B) 284563 . (C) 375582 . 29. Find the wrong number in the series : (A) 15 . (B) 24 . (D) 394492 . 3, 8, 15, 24, 34, 48, 63 (C) 34 . (D) 48 . 30. Complete the Fig (X). . ? . (A) . (B) . (C) . (D). Copyright©2015. Science Olympiad Foundation (SOF). Fig. (X) .

(16) Class 10 | 10th NCO - 2010. 6 . COMPUTERS AND INFORMATION TECHNOLOGY 31. While sending a file or message on internet, it is first divided into very small parts known as ___ . (A) Point . (B) Packet . (C) Particle . (D) Byte . 32. In email address the phrase following '@' character represents ______ . (A) User name . (B) email recipient . (C) Domain name . (D) email client . (C) Google chrome . (D) Google talk . 33. Which of the following is not a browser ? (A) Firefox . (B) Opera . 34. In the HTML code, additional behaviour can be given to elements by adding ____ . (A) Attributes . (B) Tags . (C) Styles . (D) Commands . 35. The value of #000000 is (according to Hex code for colours) ______ . (A) Black . (B) White . (C) Red . (D) Blue . (C) align . (D) type . (C) 500 MB . (D) 200 MB . (C) Justify . (D) Centred . 36. Which attribute is used with <img> tag ? (A) href . (B) src . 37. How much disk space does a standard CD have ? (A) 700 MB . (B) 600 MB . 38. Which alignment is not present in following set ? . (A) Right align . (B) Left align . 39. Which of the following is not a function of CPU ? (A) Control functions . (B) Arithmetic operations . (C) Memory management (D) File management . 40. Identify the following component of a spreadsheet. . (A) Row heading . (B) Column heading . (C) Cells . (D) Sheets tabs . 41. Which of the following is not a language processor ? (A) Assembler . (B) Interpreter . (C) Compiler . (D) Multiplexer . 42. Ecommerce is another name for doing _______ on internet. (A) Study . (B) Logging . (C) Research . (D) Business . 43. Consider the statement given below. To and fro movement of instructions and data continuously takes place between the main memory and the central processing unit through an input device. The above statement is _____ (A) True . (B) False . (C) Can't say . (D) Incomplete. Copyright©2015. Science Olympiad Foundation (SOF).

(17) Class 10 | 10th NCO - 2010. 7 . 44. Match the following Boolean expressions with their propositional forms. Where, X ® has multimedia, Y ® has internet (1) Y (a) Has either multimedia or internet (2) X + Y (b) Does not have multimedia and internet (3) (X l Y)¢ (c) Has internet (A) 1c, 2a, 3b . (B) 1a, 2b, 3c . (C) 1c, 2b, 3a . (D) 1b, 2a, 3c . 45. A modem is a hardware device that interfaces ______ . (A) CPO and CRT . (B) Printer and main memory . (C) Telephone lines and computer equipment . (D) Main memory and auxiliary memory . 46. Which of the following shows the status bar in the picture ? . P . Q S . R . (A) P . (B) Q . (C) R . (D) S . 47. A program that is capable of selfreplicating to other computers via networks, but does not cause much damage to the computer itself is ______ . (A) Worm . (B) Virus . (C) Trojan horse . (D) Malicious code . 48. The part of a website name, which needs to be registered is _____ . (A) Domain name . (B) Identity . (C) Host name . (D) Link . 49. Process of duplication of data to help us out if the hard disk crashes is known as ______ . (A) Data inconsistency . (B) Data repentance . (C) Data Redundancy . (D) Data interdependence . 50. USB stands for ______ . (A) Universal Serial Bus (B) University Service Bus (C) Universal Service Bus (D) None of these SPACE FOR ROUGH WORK. Copyright©2015. Science Olympiad Foundation (SOF).

(18) Class 10 11th. Year 2011. Copyright©2015. Science Olympiad Foundation (SOF).

(19) Class 10 | 11th NCO - 2011. 2 . MENTAL ABILITY 1. . If a + b + c = 0, then x a (A) x a. 2. . 2 2 2 . b c . 2 –1 –1. b. c. –1 2 –1 –1 –1 2 x a b c x a b c = _______ . . (B) x 1/a. 2 2 2 . b c . (C) . ( x + y ) cannot be an even integer x. (B) xy cannot be an even integer (D) None of these . One of the factor of 12(a 2 + 7a) 2 – 8(a 2 + 7a)(2a – 1) – 15(2a – 1) 2 is _______ (A) 2a 2 + 8a + 3 . 4. . 3 (D) x . Let x and y be positive integers such that x is prime and y is composite, then _______ (A) y – x cannot be an even integer . 3. . (C) x 1/2 . (B) 2a 2 – 8a + 3 . (C) 2a 2 – 8a – 3 . (D) 2a 2 + 8a – 3 . In the given DABC, AZ = ZC; BM = 2MC and if area of DABC = 8 m 2 , find the area of DBZM. (A) 1.56 m 2 . A . (B) 2.67 m 2 . Z . (C) 1.67 m 2 B . (D) 1.65 m 2 5. . (B) 3 . (C) 0 . (D) 1 . A coin is tossed three times. Find the probability of getting heads on first two tosses. (A) 1/2 . 7. . C . If P n = cos n x + sin n x, then 2P 6 – 3P 4 + 1 = (A) 2 . 6. . M . (B) 1/4 . (C) 1/8 . (D) 1/3 . If the G.C.D. of the polynomials x 3 – 3x 2 + px + 24 and x 2 – 7x + q is (x – 2), then the value of (p + q) is _____. (A) 0 . 8. . (B) 20 . (C) –20 . (D) 40 . In a rectangle ABCD, P and Q are the midpoints of BC and AD respectively and R is any point on PQ, then area (DARB) equals _____. (A) . 9. . X ABCD ) . 1 ( 2 . (B) . X ABCD ) . 1 ( 3 . (C) . X ABCD ) . 1 ( 4 . (D) None of these . If x = (4 + 15 )1/3 + (4 - 15 ) 1/3 , then the value of x 3 – 3x – 8 is _____ . . (A) 9 . (B) 8 . (C) 7 . (D) 0 . 10. Consider the volumes of the following: 1. . A parallelopiped of length 5 cm, breadth 3 cm and height 4 cm. . 2. . A cube of each side 4 cm. . 3. . A cylinder of radius 3 cm and length 3 cm. . 4. . A sphere of radius 3 cm. . The volumes of these in the decreasing order is ______. (A) 1, 2, 3, 4 . (B) 1, 3, 2, 4 . (C) 4, 2, 3, 1 . (D) 4, 3, 2, 1. Copyright©2015. Science Olympiad Foundation (SOF).

(20) Class 10 | 11th NCO - 2011 p. 11.. 1ö æ 1 ö æ çè p + q ÷ø çè p - q ÷ø. 3 q x . æ p ö If = , then x = ____. p q çè q ÷ø 1ö æ 1 ö æ çè q + p ÷ø çè q - p ÷ø. (A) p – q . (B) p + q . (C) q – p . (D) pq . 12. The common quantity that must be added to each term of a 2 : b 2 to make it equal to a : b is (A) ab . (B) a + b . (C) a – b . (D) a/b . 13. Find the points at which the graph of the equation –4y = 15 – 5x crosses the xaxis and the yaxis. (A) (0, – 3.75) and (3, 0) (B) (0, 3) and (0, –3.75) . (C) (– 3.75, 0) and (0, 3) (D) (3, 0) and (–3.75, 0) P . 14. DLOM is similar to DPON. What is the ratio of the lengths of the sides of DLOM to the lengths of the corresponding sides of DPON ? 2 5 2 (C) 3 . 3 5 3 (D) 2 . 15. If 2tanq = 3, then (A) . 1 2 . L . (B) . (A) . O . 10 M 15 . N . 4sinθ + 5cosθ = 6sinθ + 2cosθ . (B) 1 . (C) . 11 7 . (D) . 11 13 . LOGICAL AND ANALYTICAL REASONING 16. How many triangles are there in the adjoining figure? (A) 10 . (B) 13 . (C) 4 . (D) 16 . 17. If A, B, C and D are to be seated in a row, but C and D cannot be together. Also, B cannot be at the third place, then which of the following must be false ? (A) A is at the first place (B) A is at the second place (C) A is at the third place (D) A is at the fourth place 18. Rima is taller than Sarika but not taller than Reena. Reena and Tanya are of the same height. Rima is shorter than Anu. Amongst all the girls, who is the shortest ? (A) Anu . (B) Reena and Tanya . (C) Rima . (D) Sarika . 19. A part of the figure is missing. Find out from the given options the right figure to fit in the missing figure. . (A) . (B) . (C) . (D). ? . Copyright©2015. Science Olympiad Foundation (SOF).

(21) Class 10 | 11th NCO - 2011. 4 . 20. Which letter will come in place of * ? E . A . (A) C (B) A . B . (C) D . D . A . (i) . (ii) . * F . A . B . (iii) . (D) E 21. Some of the cricket players are tennis players, some tennis players are hockey players and no cricket player is a hockey player. Which of the following diagrams correctly represents the statements? . (A) . (B) . (C) . (D) . 22. Letters of the word given below have been jumbled up. You are required to construct the words. Each letter has been numbered is followed by four options. Choose the option which gives the correct order of the letters as indicated by the numbers to form words. V A R S T E 1 2 3 4 5 6 (A) 2, 3, 1, 6, 4, 5 . (B) 3, 2, 4, 5, 6, 1 . (C) 4, 5, 2, 3, 1, 6 . (D) 6, 3, 4, 5, 2, 1 . 23. Choose the correct mirror image of the figure (X) if mirror is placed along PQ. (A) . (B) . (C) . (D) . P . Fig. (X) . Q . 24. A figure marked as transparent sheet is given. One out of these four options resembles the figure which is obtained by folding transparent sheet along the dotted line. . (A) . (B) . (C) . (D) . Transparent Sheet . 25. Read the following information and select the best answer choice. In a study of five brands of pain relieving tablets P, Q, R, S and T, the brands were tested and ranked against each other as more or less effective per dose. The following results were obtained. (i) P was more effective than Q. (ii) The effectiveness of R was less than that of S. (iii) T was the least effective brand tested. (iv) Q and R were equally effective. (v) The effectiveness of S was greater than that of Q. If the above statements are true, which of the following must also be true? (A) R was less effective than P . (B) P was the most effective. . (C) S was the most effective. . (D) T was most effective.. Copyright©2015. Science Olympiad Foundation (SOF).

(22) Class 10 | 11th NCO - 2011. 5 . 26. A policeman left his police post and proceeded south 4 km on hearing a loud sound from point A. On reaching the place, he heard another sound and proceeded 4 km to his left to the point B. From B he proceeded left to reach another place C, 4 km away. In which direction, he has to go to reach his police post ? (A) North . (B) South . (C) SouthEast . (D) West . 27. In a row of children facing North, Shweta is fifteenth from the left and Jyoti is third to the left of Shweta. Ram who is seventh to the right of Jyoti is fifth from the right end of the row. What is Shweta's position from the right end? (A) 12 th . (B) 10 th . (C) 8 th . (D) 9 th . 28. Samant remembers that his brother's birthday is after 15 th but before 18 th of February, while his sister remembers that her brother's birthday is after 16 th but before 19 th of February. On which date in February is Samant's brother's birthday ? (A) 16 th . (B) 18 th . (C) 19 th . (D) 17 th . 29. If p means 'division', t means 'addition', m means 'subtraction' and d means 'multiplication' then what will be the value of the expression 12 m 12 d 28 p 7 t 15? (A) –30 . (B) –15 . (C) 15 . (D) –21 . 30. Find the missing character. . ? 2 . (A) 10 . 9 . (B) 11 . 7 . (C) 12 . 3 4 5 . 5 . (D) 13 . COMPUTERS AND INFORMATION TECHNOLOGY 31. All computers must have _____ . (A) Word processing software . (B) An operating system . (C) A printer attached . (D) A virus checking program . 32. The resolution of a printer is measured in ____ . (A) Megabits . (B) Hz . (C) Dots per inch (DPI) . (D) Inches . 33. A computer port is used to ____ . (A) Communicate with other computer peripherals . (B) Communicate with all hard drives . (C) Connect computers together . (D) All of these. . 34. Which of the following is not a container element ? (A) <UL> . (B) <OL> . (C) <DT> . (D) None of these . 35. What tool is used to split the window into different parts of the same worksheet ? (A) The title bar . (B) The scroll bar . (C) The toolbar . (D) The split box. Copyright©2015. Science Olympiad Foundation (SOF).

(23) Class 10 | 11th NCO - 2011. 6 . 36. Which of these statements on Vlookup() is false ? (A) The Vlookup function can be used to compare a value that's between two values or for an exact value. (B) When this function is used to find a value between, you must always place the smallest possible value first in the first column. (C) The values of the first column must be in descending order. (D) With this function, the comparison table is always read vertically. 37. To make one section of slides in your presentation use a different design template from the other slides, what do you do? (A) Select the slide thumbnails in that section, and apply a different colour scheme. (B) Select the slide thumbnails in that section, and apply a different design template. (C) Select one of the slides in the section you want to change, customize the fonts and colors, and use the Format Painter to apply those styles to the other slides in the section. (D) None of these. 38. You're giving your presentation, and you need to click to a slide that's a few slides back. How do you get there ? (A) Press ESC to get back into normal view; click the correct slide thumbnail in normal view; then click the Resume Slide Show button. (B) Press BACKSPACE until you hit the slide you're looking for. (C) Rightclick, point to Go on the shortcut menu, point to By Title, and click the slide you want to go to. (D) None of these 39. Using a custom animation effect, how do you make text appear on a slide in fly mode? (A) Apply the animation scheme Fade in one by one. (B) Apply an entrance effect, and then set it to By letter in the Effect Options dialog box. (C) Apply the Fly mode option in entrance effect to the text. (D) None of these 40. What is a spider ? (A) It is an operating system (B) A program that catalogs Websites (C) A hacker who breaks into corporate computer systems (D) An application for viewing Websites 41. A word processor is _____ . (A) An application (B) A powerful tool for editing documents (C) A powerful tool for modifying the look of a document (D) All of these 42. The Standard Toolbar (A) Provides a list of pulldown menu names. (B) Displays information about commands being selected. (C) Is used to execute commonly performed actions. (D) Is used to bring hidden parts of a document into view.. Copyright©2015. Science Olympiad Foundation (SOF).

(24) Class 10 | 11th NCO - 2011. 7 . 43. If you accidentally deleted some text from a document, and you want it back, you should _____ (A) Select "Redo" or press Ctrl + Y . (B) Immediately close the document and reopen it . (C) Restart the computer . (D) Select "Undo" or press Ctrl + Z. . 44. With reference to multimedia elements, pick the oddone out of the following. (A) Graphics . (B) Animation . (C) Audio . (D) Voice Script . 45. Every network interface card (NIC) comes with its own _______ address. (A) Internet Protocol (IP) . (B) Dynamic Host Configuration Protocol (DHCP) . (C) Media Access Control (MAC) . (D) Open Systems Interconnection (OSI) . 46. To create a bulleted list use? (A) <ol> . (B) <il> . (C) <bullet> . (D) <ul> . 47. ______ refers to any type of application or presentation that involves more than one type of media, such as text, graphics, video, animation, and sound. (A) An executable file . (B) Desktop publishing . (C) Multimedia . (D) Hypertext . 48. Which is not valid HTML ? (A) <frameset columns = "16%, 84%"> . (B) <frameset rows = "16%, 84%"> . (C) <frameset table = "100, 100"> . (D) <frameset cols = "100%, 150%"> . 49. Auxiliary storage is ________ . (A) Used to store work while it's being processed . (B) For hard copy only, like a filing cabinet . (C) Another name for primary storage . (D) Used for work that is not being processed . 50. Magnetic tape storage is primarily used for _______ . (A) Backups . (B) Installing new programs (C) Rarely used software (D) None of these SPACE FOR ROUGH WORK. Copyright©2015. Science Olympiad Foundation (SOF).

(25) Class 10 12th. Set A Year 2012. Copyright©2015. Science Olympiad Foundation (SOF).

(26) 12th NCO - Set-A. 2. MENTAL ABILITY 1.. An intelligence agency forms a code of two distinct digits selected from 0, 1, 2, ...., 9 such that the first digit of the code is non-zero. The code, handwritten on a slip, can however potentially create confusion when read upside down – for example, the code 91 may appears as 16. How. many codes are there for which no such confusion can arise? (A) 80 (B) 78 (C) 71. 2.. The polynomial f(x) has roots of equations 3, –3, –k. Given that the coefficient of x3 is 2, and that. (D) 69. f(x) has a remainder of 8 when divided by x + 1, find the value of k.. (A) 1. (B) 0. (C) –1. 3.. If a and b are the roots of x2 – p(x + 1) – c = 0, then find (a + 1)(b + 1) and respectively. (B) c – 1, 0. (C) 1 – c, –1. (D) Can't be determined α 2 + 2α + 1 α 2 + 2α + c. +. β2 + 2β + 1 β2 + 2β + c. (A) 1 – c, 1. (D) c – 1, 2. 4.. A die is thrown two times. What is the probability of getting sum less than to a fifth multiple of 2?. (A) 5/6. (B) 1/6. (C) 2/3. (D) 1/3. 5.. With the vertices of a DABC as centres, three circles are described each touching the other two externally. If the sides of the triangle are 4, 6 and 8 cm respectively, then the sum of the radii of the three circles equals _______.. (A) 10. (B) 14. (C) 12. (D) 9. 6.. If the straight lines y = 4 – 3x; ay = x + 10; 2y + bx + 9 = 0 represent the three consecutive sides. of a rectangle & if a is half of b, then ab = _______. (A) 18 (B) –3 (C) 1/2. 7.. In given figure, S and T trisect the side QR of a right triangle. (D) –1/3. PQR, then 3PR2 + 5PS2 =. (A) 4PT2. (B) 8PT2. (C) 8PT. (D) None of these. 8.. Column-II gives value of x and y for pair of equations given in Column-I, match them correctly.. . Column-I . (i). 2x + y = 8, x + 6y = 15 . (ii) 5x + 3y = 35, 2x + 4y = 28. (iii). . Column-II. a.. (3, 4). b.. (1/14, 1/6). 1 1 1 1 + = 3, − = 5 7 x 6y 2 x 3y. c.. (4, 5). (iv) 15x + 4y = 61, 4x + 15y = 72. d.. (3, 2). (A) (i) → (c); (ii) → (d); (iii) → (a); (iv) → (b). (B) (i) → (b); (ii) → (c); (iii) → (d); (iv) → (a). (C) (i) → (d); (ii) → (c); (iii) → (b); (iv) → (a). (D) (i) → (d); (ii) → (b); (iii) → (a); (iv) → (c). Copyright©2015. Science Olympiad Foundation (SOF). =.

(27) 12th NCO - Set-A 9.. 3. x sin φ y sin θ x and tan φ = , then = ____. 1 − x cos φ 1 − y cos θ y sin θ sin θ sin φ. (B). (C). (A) sin φ 1 − cos θ sin θ If tan θ =. (D). sin θ 1 − cos φ. 10. An object is observed from three points A, B, C in the same horizontal line passing through the base of the object. The angle of elevation at B is twice and at C thrice that at A. If AB = a, BC = b prove that the height of the object is ____.. (A) 2a sinq cosq. (B) 2a sinq. (C) 2a cosq. (D) None of these. LOGICAL AND ANALYTICAL REASONING 11. There is a series begins with unmarked figure on the extreme left. One and only one of the four marked figures does not fit into the series. The two unmarked figures, one each on the extreme left and extreme right fit into the series. You have to take as many aspects into account as possible of the figures in the series and find out the one and only one of the four marked figures which does not fit into the series.. Problem Figures . 0. = =  = P. (A) P. Q. (B) Q. R. S. (C) R. (D) S. 12. Kirti is taller than Kanika who is shorter than Kajal. Komal is taller than Kanchan but shorter than. Kanika. Who among the following is the shortest? (A) Kirti (B) Kajal (C) Kanchan. (D) Kanika. 13. Nimish wants to go to school from his house. First of all he goes to the crossing; from here he turns to right and reaches the bus-stand. Bus-stand is opposite to the library. In which direction is school located?. (A) North (C) West . (B) East (D) Cannot be determined. 14. The number of squares and triangles in the following figure are ______.. (A) 7 squares, 18 triangles. (B) 7 squares, 19 triangles. (C) 8 squares, 17 triangles (D) None of these. 15. In the following question, one set of letters, when sequentially placed at the gaps in the given letter series, shall complete it. Identify that set.. (A) baaa. ab _ ab _ ab abb _ b _ ab (B) abbb (C) aaab. (D) baab. 16. In the following number series, one number does not follow the pattern of the series. Find the wrong number.. (A) 117. 297, 272, 245, 216, 185, 153, 117 (B) 153 (C) 185. (D) 216. Copyright©2015. Science Olympiad Foundation (SOF).

(28) 12th NCO - Set-A. 4. 17. Ravi's brother is 3 years senior to him. His father was 28 years of age when his sister born, while his mother was 26 years of age when he born. If his sister was 4 years of age when his brother. was born, what was the age of Ravi's father and mother respectively when his brother was born ? (A) 32 years, 29 years (B) 32 years, 30 years (C) 32 years, 23 years (D) 35 years, 33 years. 18. By following certain logic, ‘Take Bath And Do worship of The Goddess’ is decoded as ‘And Bath Do Goddess of Take The worship.’ How will ‘Then Why Did You Not Do Your Study’ be decoded. using that logic ? (A) Did Do Not Then Study Why You Your (C) Did Do Not Study Then Why You Your. (B) Do Did Not Study Then You Your Why (D) Do Did Not Study Then Your You Why. 19. There is a set of three figures X, Y and Z have been given, showing a sequence in which a paper is folded and finally cut from a particular section. You have to select the answer figure which most closely resembles the unfolded piece of paper.. (A). (B). (C). (D). 20. Choose the correct mirror image from the options of the Fig. (X) if the mirror is placed vertically left.. (A). (B). (C). Fig. (X). (D). Computers and information technology 21. _________ are programs that automatically scan websites and create indexes of URLs, keywords. and links. (A) Crawlers. (B) MetaTags. (C) Browsers. (D) Search Engines. 22. What pages would be listed when you enter the following search term in www.google.co.in? President AND (Patil OR Kalam). (A) It will list all pages containing ‘President Patil’ and ‘President Kalam’.. (B) It will list all pages containing ‘President Patil Kalam’.. (C) It will list all pages containing ‘President Patil’ and not ‘President Kalam’.. (D) It will list all pages containing ‘President Patil’ or ‘President Kalam’. 23. Choose the correct HTML syntax to left-align the content inside a table cell.. (A) <td valign="left"> (B) <td align="left"> (C) <td leftalign> (D) <tdleft> 24. In the given example of a section of MS-Excel worksheet how do you change the column width to fit the contents ?. (A) Double-click the boundary to the right of the column heading.. (B) Press ALT and single-click anywhere in the column.. (C) Single-click the boundary to the left of the column heading. (D) Double-click the boundary to the left of the column heading.. Copyright©2015. Science Olympiad Foundation (SOF). 1 2 3 4. A UK UK USA USA. B Buchan Suyama Peacoc Leverlin.

(29) 12th NCO - Set-A. 5. 25. Which one of the following is INCORRECT while selecting multiple cells in MS Excel?. (A) (A1:G50) (B) (A1, B3:C9) (C) (A1:B5:C5) (D) (A1:B5#C5) 26. In MS-PowerPoint 2007, the picture cropping tool allows you to ________.. (A) Reset a picture to its default settings. (B) Change the contrast of a picture. (C) Recolour a picture . (D) Remove a portion of a picture. 27. In MS-PowerPoint 2007, on the ribbon of which tab would you find Slide Background styles ?. (A) Insert (B) Design (C) Slide Show (D) Home 28. In MS-Word 2007, setting up page margins is done through ____ tab.. (A) Home (B) Page Layout (C) View. (D) Review. 29. Which of the following is not a version of the Windows operating system?. (A) Windows 90 (B) Windows 98 (C) Windows Vista (D) Windows Me 30. Identify this Semi-Automatic Calculating Device.. (A) Pascaline. (B) Staffelwalze. (C) Jaquard’s loom. (D) Difference Engine. 31. Match the following (as in MS-PowerPoint 2007). . Column-I . Column-II Click to add text. I.. Slide Show . a.. Click to add text. II.. Slide Master . b.. III. Notes Page View . c.. IV. Slide Sorter View . d.. V.. e.. (A) I – d, II – e, III – c, IV – b, V – a (C) I – c, II – d, III – e, IV – b, V – a. Click to add text Click to add text Click to add text. Click to add text Click to add text. Click to add text. Click to add text Click to add text. Click to add title. Normal View . Click to add text Click to add text. (B) I – d, II – e, III – b, IV – a, V – c (D) I – c, II – e, III – d, IV – a, V – b. 32. Which feature of MS-Excel 2007, allows you to monitor cells in other worksheets whilst making. changes in the current worksheet? (A) Data Validation (B) Trace Precedents. (C) Watch Window. (D) Trace Error. Copyright©2015. Science Olympiad Foundation (SOF).

(30) 12th NCO - Set-A. 6 33. Match the following:. Column-I . Column-II. I.. Newsgroups. a.. Buying and selling products on the internet.. II. E-mail. b.. A tool allowing your PC to connect to another network and log in. . as if you were a user on that system. III. Telnet. Discussions on the internet on a range of topics – recreational to. c.. . research. IV. E-commerce. Sending and receiving messages in electronic form over the . (A) I – c, II – a, III – d, IV – b (C) I – c, II – a, III – b, IV – d . d.. . internet (B) I – c, II – d, III – b, IV – a (D) I – a, II – c, III – d, IV – b. 34. What is the output of the following HTML code ?. <html>. <body>. FIRST STATEMENT . SECOND STATEMENT . THIRD STATEMENT . </body>. </html>. (A) FIRST STATEMENT SECOND STATEMENT THIRD STATEMENT. (B) FIRST STATEMENT SECOND STATEMENT THIRD STATEMENT. (C) FIRST STATEMENT . . (D) FIRST STATEMENT. SECOND STATEMENT THIRD STATEMENT . SECOND STATEMENT THIRD STATEMENT. 35. In MS-Excel 2007, which of the following function returns the current date?. (A) TODAY (B) DATE (C) DATEVALUE (D) TODAYSDATE 36. In MS-PowerPoint 2007, which of the following statements about deleting slides is NOT correct?. (A) Slides can be deleted during a slide show.. (B) A slide can be deleted by selecting the slide in left panel in normal view and clicking the Delete button on the Home tab.. (C) A slide can be deleted by selecting the slide in Slide Sorter view and pressing. (D) A slide must be selected before it can be deleted.. .. 37. In MS-Excel 2007, the procedure to select a range of cells is ____.. (A) Click on first desired cell + press shift + click on last desired cell. (B) Click on first desired cell + press ctrl + click on last desired cell. (C) Click on first desired cell + press tab + click on last desired cell (D) All of these. 38. Reel, Cartridge, Streamer and DAT are types of which storage device?. (A) RAM (B) EPROM (C) Magnetic Tape. (D) Floppy Disk. Copyright©2015. Science Olympiad Foundation (SOF).

(31) 12th NCO - Set-A. 7. 39. Which MS-Word 2007 menu is shown here?. (A) Number List Menu. (B) Bullet List Menu. (C) Multilevel List Menu (D) Clip Art Menu. 40. Match the following Indent names with the Indent types: (in MS-Word 2007) . Column-I . Column-II. I. Left . a.. Indents just the first line of a paragraph from the left margin.. II.. Right. b.. Indents all but the first line of text from the left margin.. III. First line. c.. Indents text from the right margin.. IV. Hanging. d.. Indents text from the left margin.. (A) I – d, II – c, III – a, IV – b (C) I – b, II – d, III – c, IV – a . (B) I – a, II – d, III – c, IV – b (D) I – a, II – d, III – b, IV – c. 41. Which device should be installed in a multimedia PC such that television signals can be received. by it? (A) TV tuner card. (B) PC tuner card. (C) HDMI cable. (D) PCI express card. 42. Identify this device from the description given below:. o o o. Allows user to create digital drawings by hand-drawing images. It usually has a flat surface. Commonly used for CAD terminals and engineering workstations.. o A special pen called stylus is used to write on it. (A) Joystick (B) Digitizer tablet (C) Touch Screen. 43. Find the odd one out:. (A) AVG . (B) VLC Player. (C) Winamp . (D) Optical Mark Reader (D) Media Jukebox. 44. Which of the following should be used to uninstall software from a computer in Windows 7 ?. (A). Add Hardware . (B). Programs and Features. (C). Date and Time . (D). Administrative tools. 45. Which tab and function in MS-Word 2007 should be used to create a fully-formatted cover page for your document?. (A) Review → Cover Page . (B) Page Layout → Cover Page. (C) Layout → Cover Page . (D) Insert → Cover Page. Copyright©2015. Science Olympiad Foundation (SOF).

(32) 12th NCO - Set-A. 8 46. Identify the kind of network shown in this figure.. (A) Star. (B) Bus. (C) Ring. (D) Tree. 47. Which part of the CPU performs the (+,–,*,/) and (>, >=, <=, <=, = and <>) operations?. (A) MU (B) CU (C) ALU (D) SU 48. Which of the following statements is correct for Gmail contacts manager.. (A) You can search by phone numbers, if entered (C) You can search by domain or user name. (B) You can search by a person's first and/or last name. (D) All of these. 49. In HTML, the links to sections within the same page are called _____.. (A) Interwiki link (B) Internal link (C) External link. (D) Anchors. 50. You can search the e-mail with the following attachments.. (A) .docx, .pptx, .xlsx files (B) .bmp, .jpg, .tif, .png files (C) .zip, .rar files. (D) All of these. SPACE FOR ROUGH WORK. Copyright©2015. Science Olympiad Foundation (SOF).

(33) Class 10 12th. Set B Year 2012. Copyright©2015. Science Olympiad Foundation (SOF).

(34) 2. 12th NCO - Set-B. MENTAL ABILITY 1.. If one root of ax2 + bx + c = 0 is equal to nth power of the other, then (acn)1/(n. ______. (A) 1. 2.. (B) –1. (C) b. + 1). + (anc)1/(n. + 1). =. (D) –b. Find the distance of a perpendicular from the centre of a circle to the chord if the diameter of the circle is (n + 5) cm and its chord is (n – 1) cm where n is the sum of an A.P. whose first term is. 1 and second term is 2 more than first term and number of terms is five. (A) 6 cm (B) 7 cm (C) 9 cm (D) 10 cm. 3.. If y = ax2 + 7x – 15 makes an intercept of. (A) 7. 4.. In the given figure, ABC is a right triangle, right angled at B. AD and CE. units on x-axis, then the value of 'a' is _____.. (B) –15. (C) 2. (D) – 8 A. are the two medians drawn from A and C respectively. If AC = 5 cm and E. then the length of CE is _______.. 3 5 cm 2. (A). 25 cm . (B). 30 cm. (C). 20 cm . (D). 35 cm. 5.. If one of the roots of the equation 3x3 + 11x2 + 12x + 4 = 0 is –1, then the other two roots are. ________. (A) –2, 2/3. 6.. Two dice are thrown simultaneously. Find the probability of getting two prime numbers on both. dice. (A) 5/2. 7.. Column-II consists of solution values of problem given in Column-I, match them correctly.. . (B) 2, –2/3. (B) 1/2. (C) 5/12. Column-I whose length is 4 m more than its width,. . is 36 m, then dimensions of rectangle is _____.. (ii) The difference between two numbers is 26. . (iii) . (iv) . and one number is three times the other, then two numbers are _____. Five year hence, the age of Jyoti's will be three times that of her daughter. Five years ago, Jyoti's age was seven times that of her daughter, then the age of Jyoti and her daughter is _____. If 1 is added to each of the given two numbers, then their ratio is 1 : 2. If 5 is subtracted from each of the numbers, then their ratio is 5 : 11, find the two numbers.. D. C. (D) –2, –2/3. (D) 1/4. Column-II. (i) Half the perimeter of a rectangular garden, (a) (39, 13). . (C) 2, 2/3. B. (b) (40, 10). (c) (35, 71). (d) (20, 16). (A) (i) – d, (ii) – b, (iii) – c, (iv) – c. (B) (i) – d, (ii) – a, (iii) – c, (iv) – b. (C) (i) – d, (ii) – b, (iii) – a, (iv) – a. (D) (i) – d, (ii) – a, (iii) – b, (iv) – c. Copyright©2015. Science Olympiad Foundation (SOF).

(35) 12th NCO - Set-B. 3. 8.. Which of the following is possible ?. (A) tanq = 1, cosq = 2 (C) tanq = 5, cosq = 1 . 9.. The cubic polynomial f (x) is such that (x + 1), (x – 2), (x + k) are factors of f(x) and the coefficient. (B) tanq = 1/ 3 , cosq = 3 /2 (D) tanq = 100, cosq = 3/5. of x3 is –2. Given that f(x) has a remainder of 20 when divided by x – 4, then the value of k is. _____. (A) 2. (B) –5. (C) 5. (D) –1. 10. AB is a vertical pole. The end A is on the level ground, C is the middle point of AB and P is a point on the level ground. The portion CB subtends an angle b at P. If AP = nAB, then tanb equal. ______. Using tan( A − B) = tan A − tan B   1 + tan A ⋅ tan B   n n (A). (B) 2. 2n 2 + 1 n −1. (C). n n2. +1. (D) None of these. Logical and Analytical Reasoning 11. A bird shooter was asked number of birds he had in the bag. He replied that there were all sparrows. but six, all pigeons but six, and all ducks but six. How many birds he had in all ? (A) 9 (B) 18 (C) 27 (D) 15. 12. In the following number series how many such 7's are there which are preceeded by an odd number and followed by an even number?. 2 4 5 3 7 6 3 2 5 7 3 5 4 2 3 4 5 3 6 7 3 5 7 3 9 3 (B) 3 (C) 1. (A) 2. (D) 4. 13. Anand is taller than Vijay, Sanjay is taller than Vipul but not as tall as Vijay, Dhananjay is taller than Anand. Who among the following is the shortest ?. (A) Vipul (C) Dhananjay . (B) Sanjay (D) Anand. 14. Find out a part from the given options that would complete the figure (X).. (A). . (B). (C). . (D). . 15. There is a set of three figures X, Y and Z have been given, showing a sequence in which a paper (P) is folded and finally cut from a particular section. Select the answer figure which most closely resembles the unfolded piece of paper.. P. (A). (B). X. Y. Z. (C). (D). Copyright©2015. Science Olympiad Foundation (SOF).

(36) 4. 12th NCO - Set-B. 16. Saurav starts from a definite point and moves towards East travelling a distance of 2 m. Then, he turns to right and travels 5 m. From here he turns to right and travels 8 m. Finally, he turns to. right and moves 13 m. How far is he now from his starting point ? (A) 8 m (B) 26 m (C) 14 m. (D) 10 m. 17. A woman walking with a dog meets another woman and on being asked about her relationship with the boy, she says, "My maternal uncle and his maternal uncle's maternal uncle are brothers.". How is the boy related to the woman? (A) Nephew (B) Son. (C) Brother-in-law. (D) Grandson. 18. Three desk drawers I, II and III are being stocked with seven types of articles. Hand computer, Inkpens, Labels, Markers, Rulers, Stationery, and Tapes are to be placed in the drawers so that the articles belonging to any given type are all in one drawer and no drawer contains more than three types of articles. The arrangement of the types of articles is subject to the following constraints :. (i) Hand computers and Rulers must be in a drawer together.. (ii) Neither Ink-pens nor Markers can be in the same drawer as Labels.. (iii) Neither Ink-pens nor Markers can be in the same drawer as Stationery.. (iv) The Stationery must be either in drawer I or drawer II.. Which of the following is an acceptable arrangement?. Drawer I. (A) Ink-pens. (B) Ink-pens, Labels. (C) Labels, Stationery . (D) Labels, Tapes. Drawer II Drawer III Markers, Stationery, Tapes Hand Computers, Labels, Rulers Markers, Tapes Hand Computers, Rulers Tapes, Ink-pens, Hand Computers, Rulers Markers Ink-pens, Markers Hand computers, Rulers, Stationery. 19. In the given question, one set of letters, when sequentially placed at the gaps in the given letter series, shall complete it. Identify that set.. (A) baaa. (B) abbb. ab – ab – ab abb – b – ab (C) aaab. (D) baab. 20. If by following certain rearrangement code, 'When And Why Did You Take Dip In The Lake' gets decoded as 'And Did Dip In Lake Take The When Why You'. Which of the following would be. decoded as 'Came They Frightened If Wish Here And Out There Through'? (A) And They If Came Through Frightened There Out Here Wish (B) And They Came If Through Frightened There out Here Wish (C) Out They If Came Through Frightended And There Here Wish (D) And Came Frightened Here If Out There They Through Wish. Computers and information technology 21. What is the preferred way for setting the document background color to yellow in HTML?. (A) <body bgcolour = yellow> (C) <body background="yellow">. (B) <background>yellow</background> (D) <body background-color:yellow>. 22. In MS-Excel 2007, who am I?. 1.. I can be found on the Data tab.. 2.. I total data at changes in specified records.. 3.. I provide outline symbols so the data can be viewed at different levels.. 4. I can use various functions including Sum, Average and Count. (A) Advanced Filter (B) Text to Columns (C) Subtotal. (D) Consolidate. Copyright©2015. Science Olympiad Foundation (SOF).

(37) 12th NCO - Set-B. 5. 23. Identify Ms-Word 2007 icon.. (A) Start Mail Merge (C) Envelopes . (B) Greeting Line (D) Finish & Merge. 24. The process of conversion of Digital signals to Analog signals is called ________.. (A) Modulation (B) Demodulation (C) Decryption (D) Encryption 25. Online communities of people who share interests or activities are called ________.. (A) E-mail (C) Web Servers . (B) E-Commerce (D) Social Networks. 26. What is the HTML syntax to set the font of the text to ARIAL?. (A) (C) . (B) (D) . 27. In MS-Excel 2007, what is a quick way to extend these numbers to. a longer sequence, for instance 1 – 50?. (A) Select both cells, and then drag the fill handle over the range you want,. . for instance 48 more rows.. (B) Select the range you want, including both cells. Point to Fill on the Home Tab, and then click Down.. (C) Copy the second cell, click in the cell below it, on the Quick access toolbar click the down arrow on the Paste button, and then click Paste Special. (D) Select both cells and drag and drop in the next 48 cells.. DIRECTION (28-30) : Given below is an image of the back side of a computer system where some I/O ports have been appropriately labeled: Answer the questions based on the image:. 28. Which I/O port is used to connect the monitor to the computer system?. (A) Serial (B) USB (C) Parallel. (D) VGA. 29. I have a desktop printer which is to be connected to a LPT port on this computer. Which port. should I connect it to? (A) Parallel (B) Serial. (C) PS/2. (D) VGA. 30. On which port should the cables shown in this image be connected?. (A) Network (C) PS/2 . (B) USB (D) VGA. Copyright©2015. Science Olympiad Foundation (SOF).

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