The average weight of 8 people increases by 2.5 kg when a new person comes in place of one of them weighting 65 kg. What might be the weight of the new person?
A. 85 kg
B. 80 kg
C. 75 kg
D. Cannot be determined
E. None of these
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সঠিক উত্তরঃ
A.
85 kg
Explanation:
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