A 280 metres long train travelling at a uniform speed crosses a platform in 60 seconds and a man sta...........

Quantitative Aptitude ( CCS) Problems on trains

A 280 metres long train, travelling at a uniform speed, crosses a platform in 60 seconds and a man standing on the platform in 20 seconds. What is the length of the platform ?

640 metres

420 metres

280 metres

560 metres

छोटे Courses बड़े Results

Master Problems on trains

Prepare through Micro-courses

Try Now

Explanation:

When a train crosses a platform it covers a distance equal to the sum of length of platform and train
Let the length of platform be x meter.
∴ Speed of train = (x + 280)/60 = 280/20 = 14
= x + 280 = 60 × 14 = 840
∴ 840 – 280 = 560 meter