MCQOPTIONS
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| 1. |
A can do a work in 10 days, B can do the same work in 15 days, Then how many days together they will take to complete the same work? |
| A. | 5 days |
| B. | 6 days |
| C. | 7 days |
| D. | 8 days |
| Answer» C. 7 days | |