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Olympiad-Math
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Class 6
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Math
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Ratio and Proportion
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Q)
The ratio of the number of boys and girls in a college is 7:8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?
( A ) 17:18
( B ) 8:9
( C ) none of these
( D ) 21:22
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