NIFT PG 2014 Question Paper with solutions

Question : 54 of 150

Marks: +1, -0

Two goods trains each 500 m long, are running in opposite directions on parallel tracks. Their speeds are 45 km/hr and 30 km/hr respectively. Find the time taken by the slower train to pass the driver of the faster one.

12 sec
24 sec
48 sec
60 sec

Validate

Solution:

Length of each train (l) = 500 m
Relative speed of the train

=45+30

=75

km/hr

=20.833

m/sec
Time taken by slower train to cross the driver of faster train

=500/20.833

=24 sec

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