MCQOPTIONS
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| 1. |
2 persons working 2 hours a day assemble 2 machine in 2 days. The number of machines assemble by 6 persons working 6 hours a day in 6 day is ? |
| A. | 6 |
| B. | 18 |
| C. | 27 |
| D. | 54 |
| Answer» B. 18 | |