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In a class, the number of boys is more than the numbers of girls by 12% of the total strength. The ratio of boys to girls is ?
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- 11 : 14
- 14 : 11
- 25 : 28
- 28 : 25
Correct Option: B
Let the number of boys and girls be x and y respectively. Then
From question, (x - y ) = 12% of (x + y)
⇒ x/y = 3/25 (x + y )
⇒ 25x - 25y = 3x + 3y
⇒ 22x = 28y
∴ x / y = 28 / 22 = 14 / 11