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The ratio of the number of boys and girl...

The ratio of the number of boys and girls in a college in 3:2. If 20% of boys and 25% of girls are adults, the percentage of those students who are not adults, is

A

0.58

B

0.675

C

0.78

D

0.825

Text Solution

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The correct Answer is:
C
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KIRAN PUBLICATION-PERCENTAGE -TYPE-V
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  2. The ratio 5:4 expressed as a per cent equals

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