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The boys and girls in a college are i...

The boys and girls in a college are in the ratio 3:2. If 20% of the boys and 25% of the girls are adults, the percentage of students who are not adults is `58 %` b. `67. 5 %` c. `78 %` d. `82. 5 %`

A

`58%`

B

`67.5%`

C

`78%`

D

`82.5%`

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The correct Answer is:
C
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