MCQOPTIONS
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| 1. |
X men can do a work in 120 days. If there were 20 men less, the work would have taken 60 days more. What is the value of X? |
| A. | 60 |
| B. | 40 |
| C. | 50 |
| D. | 70 |
| Answer» B. 40 | |