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

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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

Total students = 3x + 2x = 5x

$∴$ The percentage of boys = $\frac{3 x}{5 x} \times 100$ = 60%

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