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1. |
A train is moving with an uniform speed. It crosses a railway platform 120 metres long in 12 seconds and another platform 170 meires long in 16 seconds. The speed of the train per second is ? |
A. | 12.5 m/sec |
B. | 10 m/sec |
C. | 10.22 m/sec |
D. | 14 m/sec |
Answer» B. 10 m/sec | |