MCQOPTIONS
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| 1. |
A and B complete a work in 6 days. A alone can do it in 10 days. If both together can do the work in how many days? |
| A. | 3.75 days |
| B. | 4 days |
| C. | 5 days |
| D. | 6 days |
| Answer» B. 4 days | |