A train covers a distance in 50 minutes, if it runs at a speed of 48 km per hour on a average. The speed at which the train must run to reduce the time of journey to 40 minutes, will be:

A train covers a distance in 50 minutes, if it runs at a speed of 4

1.	A train covers a distance in 50 minutes, if it runs at a speed of 48 km per hour on a average. The speed at which the train must run to reduce the time of journey to 40 minutes, will be:
A.	50km/hr
B.	55km/hr
C.	60 km/hr
D.	70 km/hr
Answer» D. 70 km/hr

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A train covers a distance in 50 minutes, if it runs at a speed of 48 km per hour on a average. The speed at which the train must run to reduce the time of journey to 40 minutes, will be:

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