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?
11:14
14:11
28:25
25:28
A
11:14
B
14:11
C
28:25
D
25:28
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Solution
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Let number of boys =b
and number of girls =g Total strength =b+g
Given : b−g=12%(b+g)
b−g=12100(b+g)
b−g=325(b+g)
25(b−g)=3b+3g
25b−25g=3b+3g
22b=28g
bg=28221411
bg=1411
Ratio of number of boys : Numbers of girls =14:11
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