The average weight of A, B and C is 45 kg. If the average weight of A and B be 4

Question

The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is:

Options:

A . 17 kg

B . 20 kg

C . 26 kg

D . 31 kg

Answer: Option D

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