Trains Boats and Streams Practice Test 2 with solutions

Question : 21 of 40

Marks: +1, -0

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. What is the time taken by the slower train to pass the driver of the faster one?

60 sec.
48 sec.
24 sec.
12 sec.

Validate

Solution:

Their relative speed = (45 + 30) km/hr = 75 ×

5/{18}

m/s =

{125}/6

m/s
Required time =

{500+500}/{{125}/6}

{1000×6}/{125}

= 48 sec.

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