MCQOPTIONS
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| 1. |
A train 150 m long takes 20 seconds to cross a platform 450 m long. The speed of the train is ? |
| A. | 20 m/s |
| B. | 25 m/s |
| C. | 30 m/s |
| D. | 40 m/s |
| Answer» D. 40 m/s | |