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Q: Train K crosses a pole in 30 seconds and train L crosses the same pole in one minute and 20 seconds. The length of train K is three-fourths the length of train L. What is the ratio of the speed of train K to that of train L   ?

A. 01:03:00
B. 02:01:00
C. 03:01:00
D. 01:02:00
Answer» C. 03:01:00


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