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In a class, the average weight of 60 boy...

In a class, the average weight of 60 boys is 64 kg and that of 75 girls is 70kg. After a few days, `60%` of the girls and `30%` of the boys leave. What would be the new average weight of the class(in kg)? Assume that the average weight of the boys and the girls remains constant throughout.

A

63

B

66.5

C

68.5

D

65.5

Text Solution

Verified by Experts

The correct Answer is:
B
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