MCQOPTIONS
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| 1. |
At an inn there are provisions sufficient for 20 days for 40 people. At the end of every 10 days 5 people leave off. How many days the provision will be sufficient for new? |
| A. | 20 |
| B. | 40 |
| C. | 30 |
| D. | none |
| Answer» E. | |