In a class there are 540 students. The r

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Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Ratios

Question:

In a class there are 540 students. The ratio of number of boys to girls is 2 : 7 . Find total number of girls in the school.

Options:

490

420

470

380

Correct Answer:

420

Explanation:

Boys : Girls : Total
2 : 7 : 9

ATQ,

9R = 540 ( given )

1R = 60

Number of girls = 7R = 7 × 60 = 420