Question

The average weight of 7 men is diminished by 3 kg when one of them who weighs 73 kg is replaced by a new man then the weight of the new man is

• A. 50 kg
• B. 52 kg
• C. 53 kg
• D. 54 kg

Answer 1

The correct option is B 52 kg

The averages weight of seven man diminished by 3 kg .Then total weight diminished by $3\times 7=21kg$

If one of them whose weight is 73 kg is replased by anew man

Then weight of new man =72-21=52 kg