1.

A man covers a certain distance by a train running at a speed of 50 km/hr and he covers the same distance back by walking at a speed of 5 km/hr. If his whole journey took 5 hours 30 minutes, then what was the distance (in km) of one side of the journey?

A. 30
B. 25
C. 20
D. 18
Answer» C. 20


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