1.

The average weight of A, B, C is 45 kg. If the average weight of A and B is40 kg and that of B and C is 43 kg, then the weight of B is:(a) 17 kg() 20 kg (c) 26 kg d ) 31 kgcoloulotion two

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31 is the answer for this question

31kg is the answer of this question



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