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The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg. Find the average weights of all the boys in the class.

A. 47.55 kg B. 48 kg
C. 48.55 kg D. 49.25 kg

Read Solution (Total 2)

ans) 16*50.25+8*45.15/24=48.55
10 years agoHelpfull: Yes(1) No(0)

answer is 48.55 kg
7 years agoHelpfull: Yes(0) No(0)

GENPACT Other 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:

A. 17 kg B. 20 kg
C. 26 kg D. 31 kg If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is:

A. 53.33 B. 54.68
C. 55 D. None of these