SarkariPYQ

SSC CPO 2022 PYQ — Question 135

SSC CPO - 9 Nov 2022 - Shift 3 • Quantitative Aptitude • Q135

Back to paper

Directions: Study the given table and answer the question that follows.

School name

Total number of students enrolled

Percentage of enrolled students who opted for Biology

The ratio of male to female students who opted for Biology

A

900

30

7 ∶ 8

B

400

38

9 ∶ 10

C

1000

24

5 ∶ 19

D

800

20

5 ∶ 7

Find the number of students who opted for Biology in School D.

Show answer & explanation

Correct answer: B

Explanation

The correct answer is Option 2 i.e. 160.

Given that

Total number of students enrolled in school D = 800

Percentage of enrolled students who opted for Biology = 20%

Now,

The number of students who opted for Biology in School D = 800 × 0.2 = 160