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Question
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?
Options
76 kg
76.5 kg
85 kg
Data inadequate
MCQ
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Solution
85 kg
Explanation:
Total weight increased = (8 × 2.5) kg = 20 kg.
Weight of new person= (65 + 20) kg = 85 kg.
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