The average weight of 8 persons is increased by 2.5 kg when one of them who weight 56 kg

The average weight of 8 persons is increased by 2.5 kg when one of them who weight 56 kg is replaced by a new man. The weight of the new man is
(a) 73 kg
(b) 72 kg
(c) 75 kg
(d) None of these

Anurag Mishra Professor Asked on 14th March 2016 in Maths.
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    Answer: (d) None of these 

    Anurag Mishra Professor Answered on 4th June 2016.
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