the average weight of a class of 15 boys and 10 girls is 38.4 kg. if the avera

Question

the average weight of a class of 15 boys and 10 girls is 38.4 kg. if the average weight of the boys is 40 kg, then what is the average weight of the girls ?

Options:

A . 19 kg

B . 25 kg

C . 33 kg

D . 36 kg

Answer: Option D
Explanation :

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