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Question

The ratio of number of boys to that of girls in a class is 3:2. What is the percentage of boys in the class?



Your Answer
A

20

Your Answer
B

30

Your Answer
C

40

Correct Answer
D

50


Solution

The correct option is D

50


Given: The ratio of number of boys to that of girls = 3:2

Let, number of boys be 3x and number of girls be 2x (since the ratio of number of boys to that of girls is 3:2)

Total students = 3x+2x = 5x

The percentage of boys = 3x5x×100 = 60%

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