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Question

In a class, the number of boys is more than the number of girls by 12% of the total strength. What is the ratio of number of boys to that of girls?

A
11:14
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B
14:11
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C
28:25
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D
25:28
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Solution

The correct option is B 14:11
Let number of boys =b
and number of girls =g Total strength =b+g
Given : bg=12%(b+g)
bg=12100(b+g)
bg=325(b+g)
25(bg)=3b+3g
25b25g=3b+3g
22b=28g
bg=28221411
bg=1411
Ratio of number of boys : Numbers of girls =14:11

1121039_551703_ans_06a04bb7740f404bb938721e4a2bb17e.jpg

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