Correct option is D
Average = Sum of all values/No. of values
Let the average of 15 men be x,
and the weight of new man be a.
= 15x - 70 + a = 15(x - 2)
= 15x - 70 + a = 15x - 30
= a = 70 - 30 =
40 kg
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The average weight of 15 men is decreased by 2 kg when one of them whose weight is 70 kg is replaced by a new man. What is the weight of the new man?
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