Challenger App

No.1 PSC Learning App

1M+ Downloads
Two trains of equal length are running on parallel lines in the same direction at 46 km/hr. and 36 km/hr. The faster train passes the slower train in 36 seconds. Find the length of each train.

A40 m

B50 m

C100 m

D95 m

Answer:

B. 50 m

Read Explanation:

Let the length of each train be x metres. Then, distance covered = 2x metres. Relative speed = (46 - 36) km/hr=10 x5/18m/sec=25/9 m/sec 2x/36=25/9 2x = 100 x = 50.


Related Questions:

A man travelled 30% of his journey at a speed of 85 kmph and the rest of his journey at a speed of 33 kmph. Find his average speed throughout the journey
A bullock cart has to cover a distance of 80 km in 10 hours. If it covers half of journey in 3/5th time, what should be its speed to cover remaining distance in the time left?
A boy is late by 9 minutes if he walks to school at a speed of 4 km/hour. If he walks at the rate of 5 km/hour, he arrives 9 minutes early. The distance to his school is
A woman in a train notices that she can count 21 telephone posts in one minute. If they are known to be 50 meters apart, then at what speed is the train travelling?
The average speed of Gaurav during a two-way journey is 15 km/h. If he walked a distance of 20 km every hour while going, then his speed while returning will be: