A train covers a certain distance in 50 minutes,if it runs at a speed – McqOptions

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

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