Question

A train of length 2kms travels at a speed of 120 kms hr . how much time (in minutes) the train would take to cross a pole.?

Answer 1

Train length =2km=2000m
Train speed =120kmph
So 120km =60 min
2km =1min
But train cross through the pole so it travel 2km self length
So it travel 2km distance in 1min
Time taken to cross the pole=1min
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Answer 2

Distance=2kms
Speed=120km/hr
Time=?
Speed=distance /tim
120km/hrs=2km/time
time=2km*hrs/120km
Time =1/60hrs=1*60/60min=1min
Time=1min