GRE
Exam
Numerical Ability
Time Distance and Speed
A train covers a distance in 50 min if it runs at a speed of 48 kmph on an average. The speed at which the rain must run to reduce the time of jouney to 40 min will be
Read Solution (Total 2)
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- 60 kmph is answer
- 10 years agoHelpfull: Yes(1) No(1)
- 60km/hr
time taken t = d/s
50/60 = d/48
d = 50*48/60 = 40km
Speed s = d/t
=40/(40/60)
=60km/hr - 10 years agoHelpfull: Yes(1) No(2)
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