MCQOPTIONS
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| 1. |
A 120m-long train crosses a 30m-long bridge in 7.5 seconds. What is the speed of that train in km/h ? |
| A. | 42 km/h |
| B. | 72 km/h |
| C. | 92 km/h |
| D. | 112 km/h |
| Answer» C. 92 km/h | |