The average weight of 4 men is increased by 3 kg, when one of them who weighs 120 kg is replaced by another man. What is the wieght of the new man?
Explanation
According to the question
If the average is increased by 3kg, then the sum of wieght increases by
= 3×4=12 kg
If wieghs 120 kg is replaced by another man
∴ The weight of the new man
= 120+12=132 kg.
Hence, Option B is correct.
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