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- The average weight of 8 person's increases by 2.
Question 1:
The average weight of 8 person's 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?
A. 76 kg
B. 76.5 kg
C. 85 kg
Feedback Total weight increased = (8 x 2.5) kg = 20 kg.
Weight of new person = (65 + 20) kg = 85 kg.
Weight of new person = (65 + 20) kg = 85 kg.
D. Data inadequate
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