Introduction: The questions on Case based Data in the State Bank of India (SBI) Probationary Officers exams have been asked frequently. After the study of the previous year question papers we can say the data interpretation section will consist of 2 – 3 Cases with 10 – 15 questions. It is advisable to every student to understand the concept of Case base data so that they can earn good marks in the section.
Case Based Data: These types of data are presented in the competitive exams to test the candidate’s interest in numbers, for variables and their inter-relationship and ability to convert the data into a more meaningful form of information.
These things should be kept in mind when you are solving questions of Cases.
First read and indentify the variables in the data and respective inter-relationship.
Chart out the data and fill the data in a more meaningful format.
And now, try to solve the questions on the Case based data.
The questions on the basis of the case based data are generally asked to find the relation among the facts and the figures. The question can be asked to find average, ratio or percentage of some facts and figures related to some other facts and figures.
181 SBI PO Exam Study Package SOLVED EXAMPLES
Direction for questions 1 to 5: Answer these questions on the basis of the following information.
Shekhar bought 10 acres of land for Rs.250000 in 2011. That year he cultivated Sugarcane and Soya bean in the 10 acres with the ratio of area under Sugarcane and Soya bean being 5:4. The profit obtained from Sugarcane and Soya bean was in the ratio 3:2 with the total profit being Rs.58500. This was 15% of the amount he invested in cultivation that year. The next year he again cultivated Sugarcane and Soya bean, with the areas being same as before and reaped a profit of Rs.66000 in total with that from Sugarcane and Soya bean being in the ratio 8:7 but his return on his investment that year was only 14%.
1. What is the amount invested by Shekhar for cultivation in 2011?
(a) Rs.356000 (b) Rs.374800 (c) Rs.380000 (d) Rs. 390000
Solution: (d) Shekhar had a profit of Rs.58500 and this profit was 15% of the money he invested, his investment was
58500
15 × 100 = 390000
2. What is the profit obtained by Shekhar by cultivating Sugarcane in 2011?
(a) Rs.43800 (b) Rs.35100 (c) Rs.36200 (d) None of these Solution: (b)
The profit obtained by Shekhar by cultivating Sugarcane in 2012 = 35 × 58500 = 35100.
182 SBI PO Exam Study Package 3. What is the profit obtained by cultivating Soya bean in 2012?
(a) Rs.30800 (b) Rs.36100 (c) Rs.24200 (d) None of these Solution: (a)
The profit obtained by cultivating Soya bean in 2012 = 157 × 66000 = Rs. 30800.
4. What is the ratio of the profit obtained from Sugarcane and Soya bean in the two years together?
(a) 89 : 79 (b) 167 : 211 (c) 703 : 542 (d) None of these Solution: (c)
The profit obtained in 2011 from Sugarcane = Rs.35100
The profit obtained in 2012 from Sugarcane = 66000 - 30800 = Rs.35200 Total profit from Sugarcane = Rs.70300
Total profit in the two years = Rs.58500 + Rs.66000 = Rs.124500 Therefore, Profit from Soya bean Rs.54200.
Now, the required ratio = 70300: 54200 = 703 : 542.
5. What is the approximate amount invested by Shekhar for cultivation in 2012?
(a) Rs.428500 (b) Rs.471400 (c) Rs.495300 (d) Rs.518650
183 SBI PO Exam Study Package
Solution: (b) Here the profit of 66,000 is 14% of the amount invested, therefore, the invested =
66000
14 × 100 = Rs. 471400.
Directions: (6-10) Study the following information and answer the questions that follow:
(IBPS CWE PO MT 2012)
The premises of a bank are to be renovated. The renovation is in terms of flooring. Certain areas are to be floored either with marble or wood. All rooms/halls and pantry are rectangular.
The area to be renovated comprises of a hall for customer transaction measuring 23 m by 29 m, branch manager’s room measuring 13 m by 17 m, a pantry measuring 14 m by 13 m, a record keeping cum server room measuring 21 m by 13 m and locker area measuring 29 m by 21 m.
The total area of the bank is 2000 square meters. The cost of wooden flooring is f 170/- per square meter and the cost of marble flooring is Rs. 190/- per square meter. The locker area, record keeping cum server room and pantry are to be floored with marble. The branch manager's room and the hall for customer transaction are to be floored with wood. No other area is to be renovated in terms of flooring.
6. What is the respective ratio of the total cost of wood en flooring to the total cost of marble flooring?
Solution: Total flooring area with marble
= locker area + record keeping + pantry
= 182+273 +609 = 1064 sqm Cost of flooring = 1064 × 190 Total flooring area with wooden
= Branch Manager room + Hall
184 SBI PO Exam Study Package
7. If the four walls and ceiling of the branch manager’s room (The height of the room is 12 meters) are to be painted at the cost off 190/- per square meter, how much will be the total cost of renovation of the branch manager's room including the cost of flooring?
(1) Rs. 1, 36,800/- (2) Rs. 2, 16,660/- (3) Rs. 1, 78,790/- (4) Rs. 2, 11,940/- (5) None of these
Solution: Cost of flooring of branch manager room
=221 × 170= Rs. 37570 Cost of painting
= [2(17 × 12+ 13 × 12)+ 13 x 17] × 190
= [2( 204 + 156) + 221] × 190= (2 × 360 + 221) × 190
= (720 + 221) × 190 = 941 × 190 = Rs. 178790 Total cost = 178790 + 31570 = Rs.216360 Ans: (5)
8. If the remaining area of the bank is to be carpeted at the rate of Rs. 110/- per square meter, how much will be the increment in the total cost of renovation of bank premises?
(1) Rs. 5,820/- (2) Rs. 4,848/- (3) Rs. 3,689/- (4) Rs. 6,890/- (5) None of these
Solution: Total area of bank = 2000 sqm Total flooring area = 1952 sqm
Remaining area = 2000 - 1952 = 48 sqm
∴ Cost of carpeting = 48 × 110 = Rs.5280 Ans: (5)
185 SBI PO Exam Study Package 9. What is the percentage area of the bank that is not to be renovated?
(1) 2.2 %
Solution: Cost of renovation of hall + locker area
= 667 × 170 + 609 × 190 organisation is 3 : 2. 8% of the males work in the HR department. 22% of the female work in the account department. The ratio of males to females working in the HR department is 3 : 5. One-seventh of the females work in the IT department. 46% of the males work in the Production department. The number of females is one-sixth of the males working in the same. The remaining females work in the Marketing department. The total number of employees working in the IT department is 375. 22% of the males work in the Marketing department and remaining work in the Account department.
186 SBI PO Exam Study Package
11. The number of males working in the Account department forms approximately what per cent of the total number of males in the organisation?
(a) 6
12. How many females work in Production department?
(a) 140 what per cent of the total number of female employees in the organisation?
(a) 28 working in the same department is
(a) 15 : 8
187 SBI PO Exam Study Package (d) 2031
(e) 2042 Answer: (b)
PRACTICE QUESTIONS
Directions (Q. 1 – 5): Study the given information carefully to answer the questions that follow:
An organization consists of 3200 employees working in different departments, viz HR, Marketing, IT, Production and Accounts. The ratio of male to female employees in the organisation is 5 : 3. 12% of the males work in the HR department. 24% of the female work in the account department. The ratio of males to females working in the HR department is 6 : 11.
One-tenth of the females work in the IT department. 42% of the males work in the Production department. The number of females 5% of the males working in the same. The remaining females work in the Marketing department. The total number of employees working in the IT department is 300. 20% of the males work in the Marketing department and remaining work in the Account department.
1. The number of males working in the IT department forms what per cent of the total number of males in the organisation?
(a) 5 (b) 10 (c) 12 (d) 15 (e) 18
2. How many males work in Accounts department?
(a) 840 (b) 400 (c) 220 (d) 240
(e) None of these
3. The total number of employees working in the HR department forms what per cent of the total number of employees in the organisation?
(a) 28 (b) 28.75 (c) 29 (d) 29.75 (e) 30
188 SBI PO Exam Study Package
4. The number of females working in the Production department forms what per cent of the total number of males in the organisation?
(a) 21 organisation is 3 : 2. 8% of the males work in the HR department. 22% of the female work in the account department. The ratio of males to females working in the HR department is 3 : 5. One-seventh of the females work in the IT department. 46% of the males work in the Production department. The number of females is one-sixth of the males working in the same. The remaining females work in the Marketing department. The total number of employees working in the IT department is 375. 22% of the males work in the Marketing department and remaining work in the Account department.
6. The number of males working in the Account department forms approximately what per cent of the total number of males in the organisation?
(a) 6 (b) 8 (c) 10 (d) 11 (e) 12
189 SBI PO Exam Study Package 7. How many females work in Production department?
(a) 140 what per cent of the total number of female employees in the organisation?
(a) 28 working in the same department is
(a) 15 : 8
190 SBI PO Exam Study Package