MCQOPTIONS
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MCQOPTIONS
| 1. |
A and B can do a piece of work in 45 days and 40 days respectively. They began to do the work together but A leaves after some days and then B completed the remaining work n 23 days. The number of days after which A left the work was |
| A. | 9 |
| B. | 11 |
| C. | 12 |
| D. | 15 |
| Answer» B. 11 | |