Trains Boats and Streams Practice Test 1 with solutions

Question : 14 of 40

Marks: +1, -0

A train passes a platform 90 metre long in 30 seconds and a man standing on the platform in 15 seconds. The speed of the train is:

Solution:

Let speed of the train be x m/s; then
30x – 15x = 90
⇒ 15x = 90
∴ x = 6 m/s
Hence, speed of the train = 6 ×

{18}/5

= 21.6 km/hr

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