The average weight of 42 boys in a class is 41 kg. A boy with a weight – McqOptions

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1.	The average weight of 42 boys in a class is 41 kg. A boy with a weight of 39 kg joins the class. The weight of a boy already present was counted as 34 kg instead of 43 kg. What is the new average -
A.	39.81
B.	40.74
C.	41.16
D.	40.92
Answer» D. 40.92

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