MCQOPTIONS
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| 1. |
A can do a piece of work in 7 days of 9 hours each, and B can do it in 6 days of 7 hours each. How long will they take to do it, working together 8 2/5 hours a day? |
| A. | 3 days |
| B. | 2 2/3 days |
| C. | 2 days |
| D. | 3 1/3 days |
| Answer» B. 2 2/3 days | |