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Average weight of a class is 60kg and av...

Average weight of a class is 60kg and average weight of boys in the class is 80kg. Ratio of boys to girls in the class is 5:4. If there are 72 students in the class, then find the average weight of girls in the class.

A

A)54 kg

B

B)42 kg

C

C)35 kg

D

D)45 kg

Text Solution

Verified by Experts

The correct Answer is:
C
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