The average weight of 8 persons increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg . What might be the weight of the new person?

The average weight of 8 persons increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg . What might be the weight of the new person? Correct Answer 85 kg

Total weight increased = (8x2.5)kg = 20kg so,Weight of new person = (65 + 20) = 85kg
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