MCQOPTIONS
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| 1. |
A can do a certain work in the same time in which B and C together can do it.If A and B together could do it in 20 days and C alone in 60 days ,then B alone could do it in: |
| A. | 20days |
| B. | 40 days |
| C. | 50 days |
| D. | 60 days |
| Answer» E. | |