The average weight of boys in a class is 30 kg and the average weight of girls i

Question

The average weight of boys in a class is 30 kg and the average weight of girls in the same class is 20kg. If the average weight of the whole class is 23.25 kg, what could be the possible strength of boys and girls respectively in the same class?

Options:

A . 13 and 27

B . None of these

C . 14 and 16

D . 17 and 27

Answer: Option A

Total no.of boys : no. of girls = 13:27 27 : 13

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