MCQOPTIONS
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| 1. |
The dimensions of a hall are 150 × 80 × 120 cm. How many persons can sit in the hall if each person requires 200 cube cm of air? |
| A. | 7250 |
| B. | 7150 |
| C. | 7300 |
| D. | 7200 |
| Answer» E. | |