Challenger App

No.1 PSC Learning App

1M+ Downloads
How much time will a train of length 171 metres take to cross a tunnel of length 229 metres, if it is running at a speed of 30 km/hr?

A1 minute

B36 seconds

C30 seconds

D48 seconds

Answer:

D. 48 seconds

Read Explanation:

Correct answer is 48 seconds. distance to be travelled = 171+229 = 400 m Speed=30km/hr 30x5/18 = 150/18 = 25/3 m/sec Time = distanse / speed = 400 x 3/25= 48 seconds


Related Questions:

A train 1350 m long takes 135 seconds to cross a man running at a speed of 5kmph in a direction same to that of the train. What is the speed of the train?
image.png
A car completes a journey in seven hours. It covered half of the distance at 40 kmph and the remaining half at 60 kmph speed. Then, the distance (in km) covered is:
A 152.5 meter long train running at a speed of 57 km/h crosses a platform in 39 seconds. What is the length of the platform?
A train moving with a uniform speed of 90 km/hr crosses a pole in 6 seconds. The length of the train is