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1. |
If 6 men and 3 boys working together, can do four times as much work per hour as a man and a boy together. Find the ratio of the work done by a man and that of a boy for a given time ? |
A. | 1 : 2 |
B. | 2 : 1 |
C. | 3 : 1 |
D. | 1 : 3 |
Answer» B. 2 : 1 | |