Question : The average weight of 12 persons increases by 3.5 kg when a new person comes in place of one of them weighing 58 kg. The weight of the new person is:
Option 1: 100 kg
Option 2: 16 kg
Option 3: 70 kg
Option 4: 42 kg
Answer (1)
18th Jan, 2024
Correct Answer: 100 kg
Solution :
Let the average weight of 12 persons be
Total weight of 12 persons =
If a person with 58 kg weight is replaced by a new person of
Average weight increases by 3.5 kg.
⇒
⇒
Hence, the correct answer is 100 kg.
Comments (0)
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