The average weight of 12 persons is increased by 3.5 kg when one of them whose weight is 56 kg is replaced by a new man. The weight of the new man is:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 I.e. 98 kg.
Total increase in weight = 12 × 3.5 = 42 kg
New person's weight = 56 + 42 = 98 kg