The average weight of 8 men is increased by 1.5kg when one of the men who weighs 65 kg is replaced by a new man. The weight of the new man is

A) 76 kg

B) 76.5 kg

C) 76.7 kg

D) 77 kg

Correct answer:
D) 77 kg

Description for Correct answer:
Total weight increased = ( 8 X 1.5 )kg = 12 kg.
Weight of new man = 65 + 12 = 77 kg


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