MCQOPTIONS
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| 1. |
Excluding stoppages, the speed of a train is 108 km/h and including stoppages, it is 90 km/h. For how many minute does the train stop per hour ? |
| A. | 5 |
| B. | 9 |
| C. | 10 |
| D. | 6 |
| Answer» D. 6 | |