Average - Data Intensity 1 :: Discussion


19.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__?
A.17 kg
B.20 kg
C.26 kg
D.31 kg
Answer:  Option  D
Explanation:

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Published by:Michael Daani

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