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1. |
The average weight of the 8 oarsmen in boat is increased by 11 /2 kg when one of the crew who weighs 60 kg is replaced by a new man. The weight of the new man (in kg) is |
A. | 70 kg |
B. | 68 kg |
C. | 71 kg |
D. | 72 kg |
Answer» E. | |