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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? 76 kg B. 76.5 kg C. 85 kg D. Data inadequate E. None of these












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?






















76 kg B. 76.5 kg
C. 85 kg D. Data inadequate
E. None of these

Grade:11

1 Answers

Kevin Nash
askIITians Faculty 332 Points
7 years ago

nswer: Option C

Explanation:

Total weight increased = (8 x 2.5) kg = 20 kg.

Weight of new person = (65 + 20) kg = 85 kg.

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