MCQOPTIONS
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MCQOPTIONS
| 1. |
Worker A takes 8 hours to do a job. Worker B takes 10 hours to do a job. How long should it take both A and B, working together to do same job? |
| A. | 4/9 |
| B. | 2(4/9) |
| C. | 3(4/9) |
| D. | 4(4/9) |
| Answer» E. | |