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1. |
A thief runs at a speed of 5m/s. A policeman runs behind him 2 seconds after thief started at a speed of 10 m/s. After how much time, the policeman will catch the thief. |
A. | 1 second |
B. | 2 second |
C. | 3 second |
D. | 4 second |
Answer» C. 3 second | |