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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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Answer» 31 is the answer for this question 31kg is the answer of this question |
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