Question

A train covers a distance in 50 min, if it runs at a speed of 48kmph on an average. The speed at which the train must run to reduce the time of journey to 40min will be

A. 45 min

B. 60 min

C. 55 min

D. 70 min

Answer 1

Here,distance is same
distance = speed × time
distance 1 = distance 2
48×50=speed×40
speed = 48×50/40=60 kmph
please mark as brainliest answer