The average weight of 8 persons increases by 2.5 kg when a new person replaces one of them weighing 65 kg. What is the weight of the new person?
Question and options
The average weight of 8 persons increases by 2.5 kg when a new person replaces one of them weighing 65 kg. What is the weight of the new person?
- 76 Kg
- 76.5 Kg
- 85 Kg
- Data inadequate
Answer and explanation
Correct answer: C - 85 Kg
The total weight rises by 8 x 2.5 = 20 kg, so the new person weighs 65 + 20 = 85 kg.
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CUSAT CAT LLM
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