top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

Find the time taken by the slower train to pass the driver of the faster one.

0 votes
233 views

Two goods train 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.

posted Feb 4, 2016 by Yogeshwar Thakur

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

1 Answer

0 votes

24 seconds


Speeds add up as trains move in opposite direction:
45+30=75 km/hr
The distance is the length of the faster train:
500 m=0.5 km
Time is:
0.5/75 km/km/hr=1/150 hr= 3600/150 sec= 24 seconds

answer Jul 29, 2018 by Hanifa Mammadov



Similar Puzzles
0 votes

Two trains are moving in opposite directions @ 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively.
What is the time taken by the slower train to cross the faster train in seconds ?

0 votes

The speed of the train is two more than twice of the time taken to cover 1012 km at uniform speed.
What is the ratio of the values of time taken to cover the distance and speed of the train?

0 votes

A man starts to run along a particular direction with a speed of 54 km/hr.
After running upto a distance of 100 m, he increases his speed by 50% of the initial speed, and runs upto 200 m.
What will be the total time taken by the man?

0 votes

A train travelling at a speed of 80 kmph enters a tunnel that is 0.5 km long.
The length of the train is 0.25 km.
How long does it take for all of the train to pass through the tunnel, from the moment the front enters, to the moment the rear emerges?

...