MCQOPTIONS
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| 1. |
A can do1of a work in 10 days.4B can do1of the work in 20 days.3 In how many days can both A and B together do the work ? |
| A. | 30 days |
| B. | 32 days |
| C. | 24 days |
| D. | 25 days |
| Answer» D. 25 days | |