## Data Interpretation For SBI PO : Set – 23

D.1-5) Read the following information carefully and answers the questions below it.

Average marks obtained by 20 boys and 20 girls in five subjects from five different schools

In above table B-boys, G- girls

1) In which of the following subjects did the girls have highest average percentage of marks from all the schools?

a) Science

b) Geography

c) English

d) History

e) Mathematics

a)

From visual inspection, it is clear that Science is the desired subject.

2) The pooled average marks of both boys and girls in all the subjects was minimum from which of the following schools?

a) Q

b) P

c) T

d) S

e) R

In the given table, the data pertaining to only 40 students of the school and it is not given if this is the total number of students in the school.

3) In the case which of the following schools was total marks obtained by girls in mathematics 100% more than the total marks obtained by boys in history?

a) R

b) S

c) P

d) Q

e) T

b)

In School S, the average mark of boys in History is = 40

In same school, the average mark of girls in maths is = 80

Therefore, totally 100% more than Boys to Girls

4) What was the difference between the total marks obtained in mathematics by boys from school R and the girls from school S?

a) Nil

b) 1100

c) 100

d) 1200

e) None of these

b)

Required Difference = 135 X 20 – 80 X 20

= 2700 – 1600 = 1100

5) Approximately, what is the percentage rise/fall in total production of all companies together from1996 to 1997?

a) 4.5% rise

b) 6% rise

c) 3.5% fall

d) 7% fall

e) 7.5% fall

e)

Total production of all companies in 1996 = 396 + 482 + 528 + 602 + 551 + 635 = 3194 lakh tonnes

1997 = 524 + 536 + 492 + 387 + 412 + 605 = 2956 lakh tonnes

Hence, required % decrease = (3194 – 2956)/3194 * 100 = 7.451% =7.5%

D.6-10) Study the following table carefully to answer these questions.

Table Giving Number of Candidates Appeared in the Examination and Percentage of Students Passed from Various Institute over the Years

6) What is the ratio between the number of students passed from institute F in 2003 and the number of students passed from institute B in 2005 respectively?

a) 95: 154

b) 154: 95

c) 94: 155

d) 155: 94

e) None of the above

b)

7) What is the ratio between the average number of students appeared from institute A for all the years and that from institute D respectively?

a) 463: 353

b) 333 : 658

c) 461: 333

d) 475 : 658

e) None of these

d)

Ratio = 475 : 658

8) What is the total number of students passed from all institutes together in year 2006?

a)  1895

b) 1985

c) 1295

d) 1465

e) None of these

9) What is the overall percentage of students passed from all institutes together in 2004? (Rounded off to nearest integer)

a) 68

b) 70

c) 69

d) 71

e) None of these

c)

Total no of students appeared for the examination in 2004=3550

The overall  pass percentage=260+450+315+450+452+546/3550*100=69%

10) Approximately, what is the overall percentage of students passed from institute C for all the years?

a) 60

b) 70

c) 75

d) 55

e) 65