MCQOPTIONS
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| 1. |
A and B finish the job in 15 days.while A,B and C can finish it in 10 days . C alone will finish the job in |
| A. | 40 days |
| B. | 30 days |
| C. | 60 days |
| D. | 70 days |
| Answer» C. 60 days | |