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1. |
A man crosses a stationary bus In 18 seconds. The same bus crosses a pole In 4 seconds. What Is the respective ratio between the speed of the bus and the speed of the man? |
A. | 9.2 |
B. | 9.4 |
C. | 18.5 |
D. | None of these |
Answer» B. 9.4 | |