Questions on Data Interpretation with Solutions for SBI PO, NIACL, NICL, IBPS

Directions (1 – 5): Study the following charts carefully and answer the questions that follow:
5 companies – A, B, C, D and E produce TVs and Mobiles. The total production cost of all 5 companies if Rs 4 crores.
Pie chart shows the %age distribution of total production. The table shows the ratio of production of TVs to Mobiles and % profit on them.

Find the total production cost (in crores) of TVs by companies C and D together?
A) Rs 0.95
B) Rs 0.81
C) Rs 0.77
D) Rs 0.52
E) Rs 0.45

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Option B
Solution:
TVs by company C = 5/12 * 15/100 * 4 crores = 0.25 crores
TVs by company D = 7/10 * 20/100 * 4 crores = 0.56 crores
So total = 0.25+0.56 = 0.81 crores
What is the ratio of profit earned by selling Mobiles by company B to that by selling TVs by company C?
A) 3 : 7
B) 5 : 7
C) 6 : 5
D) 5 : 8
E) 6 : 11

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Option C
Solution:
Profit on mobiles by company B = 24/100 * 5/9 * 18/100 * 4 crore
Profit on TVs by company C = 32/100 * 5/12 * 15/100 * 4 crore
So ratio is 24 * 5/9 * 18 : 32 * 5/12 * 15 = 6 : 5
Find the total profit earned (in crores) by selling Mobiles by companies A and E.
A) Rs 0.23
B) Rs 0.12
C) Rs 0.28
D) Rs 0.28
E) Rs 0.33

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Option A
Solution:
Profit by company A by selling mobiles = 20/100 * 5/11 * 22/100 * 4 crores = 0.08 crores
Profit by company E by selling mobiles = 25/100 * 3/5 * 25/100 * 4 crores = 0.15 crores
So total = 0.23 crores
What is the difference in the profits (in crores) earned by companies A and D by selling TVs?
A) Rs 0.05
B) Rs 0.14
C) Rs 0.12
D) Rs 0.09
E) Rs 0.06

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Option E
Solution:
Profit earned by company A by selling TVs = 30/100 * 6/11 * 22/100 * 4 crores = 0.144 crores Profit earned by company D by selling TVs = 15/100 * 7/10 * 20/100 * 4 crores = 0.084 crores
So difference = 0.144 – 0.084 = 0.06 crores
The production cost of Mobiles by company E is what percent more than the production cost of TVs by company B?
A) 81.5%
B) 88.5%
C) 87.5%
D) 82.5%
E) None of these

View Answer
Option C
Solution:
Production cost of Mobiles by company E = 3/5 * 25/100 * 4 = 0.6 crores
Production cost of TVs by company B = 4/9 * 18/100 * 4 = 0.32 crores
So required % = (0.6 – 0.32)/0.32 * 100 = 87.5%

Directions (6 – 10): Study the following charts carefully and answer the questions that follow:

The bar graph shows the number of students in each section – Medical, Non-Medical and Commerce in schools – A, B, C, D and E

The table shows the % of girls in each section in each school.

What is the number of girls in Medical Section from schools A, B and D together?
A) 356
B) 451
C) 461
D) 268
E) 308

View Answer
Option D
Solution:
54/100 * 200 + 40/100 * 180 + 55/100 * 160 = 108 + 72 + 88 = 268
What is the total number of boys in Commerce section from all the schools?
A) 575
B) 560
C) 505
D) 654
E) 625

View Answer
Option A
Solution:
55/100 * 180 + 50/100 * 240 + 57/100 * 200 + 61/100 * 200 + 48/100 * 250
= 99 + 120 + 114 + 122 + 120 = 575
What is the difference between the average number of girls in Medical and Non-Medical sections from school C and the average number of girls in Non-Medical and Commerce sections from school E?
A) 45
B) 23
C) 43
D) 39
E) 35

View Answer
Option C
Solution:
Number of females in Medical and Non-Medical from school C = 45/100 * 120 + 40/100 * 80 = 54 + 32 = 86, so average = 43
Number of females in Non-Medical and Commerce from school E = 35/100 * 120 + 52/100 * 250 = 42 + 130 = 172, so average = 86
Required difference = 86 – 43 = 43
The number of girls in Commerce section from school D is approximately what percent of number of boys in Non-Medical section from school D?
A) 137%
B) 144%
C) 156%
D) 149%
E) 116%

View Answer
Option A
Solution:
Number of girls in Commerce from school D = 39/100 * 200 = 78
Number of boys in Non-Medical from school D = 38/100 * 150 = 57
So required % = 78/57 * 100 = 137%
The number of girls in Non-Medical section from school B is approximately what percent less than than the number of girls in same section from schools A and C together?
A) 17%
B) 34%
C) 27%
D) 54%
E) 22%

View Answer
Option C
Solution:
Number of girls in Non-Medical section from school B = 42/100 * 150 = 63
Number of girls in Non-Medical section from school A and C = 45/100 * 120 +40/100 * 80 = 86
So required % = (86 – 63)/86 * 100 = 27%

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