Simplified 2 World
Tuesday, 22 January 2013
try this
A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is:
A.
45 km/hr
B.
50 km/hr
C.
54 km/hr
D.
55 km/hr
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