# SBI PO Exam 2018: Data Interpretation Quiz

SBI PO exam 2018 is expected to be held in the month of July. Here is Data Interpretation quiz for SBI PO exam 2018.

Apr 16, 2018 17:26 IST
SBI PO Exam : DI Quiz

Data Interpretation is one of the most important topics of Quantitative Aptitude section of SBI PO Exam. Aspirants must have clear understanding of the basic concepts of Average, Percentage, Profit and Loss, Ratio and Proportion etc. Solve the below DI quiz and strengthen your preparation for SBI PO exam 2018.

Direction (Question 1-5) : Study the following information carefully and answer the questions given below:

The number of students in each of the colleges A, B, C and D is given in the brackets ().

The vertical axis shows the percentage of students who have opted for Humanities, Commerce and Science respectively.

 School A(800) School B(600) School C(400) School D(200) Humanities 35 40 32 42 Commerce 36 32 24 18 Science 30 28 48 38

1.   What is the average number of students who have opted for Science from all the schools taken together?

a)      172

b)      173

c)       176

d)      178

e)      None of these

Ans: Option (b)

Explanation:

number of students who have opted for Science from all the schools taken together =

800×30/100 + 600× 28/100 + 400 ×48/100 + 200 ×38/100

=240+168+192+76

=692

Required average =692/4

=173

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2.   What is the ratio of the total number of students who have opted for both Science and humanities together from School B to that from School C?

a)      4 : 5

b)      5 : 4

c)       3 : 2

d)      2  : 3

e)      None of these

Ans: Option (b)

the total number of students who have opted for both Science and humanities together from School B = 600 × 28/100 + 600 ×40/100

=168+ 240

= 400

the total number of students who have opted for both Science and humanities together from School C= 400 ×32/100 + 400 ×48/100

= 128 +192

= 320

required ratio=400/320

= 5 : 4

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3.  Which of the following combinations represent the schools with the minimum number of students who have opted for Science and the minimum number of students who have opted for humanities respectively?

a)      A,C

b)      A,D

c)       B, C

d)      D,B

e)      None of these

Ans : Option (e)

Explanation:

Number of students opting Science –

In School A – 800× 30/100 = 240

In School B  –  66 ×28/100 = 168

In School C  – 400 ×48/100 = 192

In School D – 200 ×38/100 = 76

Hence minimum number of students opting Science is in School D.

Number of students opting Humanities –

In School A – 800× 35/100 = 280

In School B  –  600 × 40/100 = 240

In School C  – 400 × 32 /100 = 128

In School D – 200 ×42 /100 = 84

Hence minimum number of students opting Science is in School D.

4.  What is the ratio of the number of students who have opted for Humanities from School C to those who have opted for the same subject from School A?

a)      16 : 35

b)      12 : 35

c)       16 : 37

d)      12 : 37

e)      None of these

Ans: Option ( a)

Explanation:

number of students who have opted for Humanities from School C =400 ×32/100

= 128

number of students who have opted for Humanities from School A =800 ×35/100

=280

required ratio = 128/280

= 16 : 35

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5.   The number of students who have opted for Science form School A is what per cent of the number of students who have opted for the same subject from School B?

a)      168

b)      148

c)       143

d)      145

e)      None of these

Explanation:

number of students who have opted for Science form School A = 800 ×30/100

=240

number of students who have opted for Science form School B = 600 ×28/100

= 168

required percentage= 240 ×100/168

= 142.85

≅ 143

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