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The average weight of 15 oarsmen in a boat is increased by 1.6 kg when one of the crew, who weighs 42 kg is replaced by a new man. Find the weight of the new man (in kg).
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- 67
- 65
- 66
- 43
- 67
Correct Option: C
Here, N = 15, T = 42, t = 1.6
We can find required answer with the help of given formula ,
Weight of new oarsman = ( N + T × t )
Weight of new oarsman = (42 + 15 × 1.6) kg.
∴ Weight of new oarsman = (42 + 24) kg. = 66 kg.
