Trains Boats and Streams Practice Test 2 with solutions

Question : 23 of 40

Marks: +1, -0

Two trains of equal length are running on parallel lines in the same direction at a speed of 46 km/hr and 36 km/hr respectively. The faster train passes the slower train in 36 seconds. What is the length of each train?

82 m
80 m
72 m
50 m

Validate

Solution:

Their relative speed = (46 – 36) km/hr = 10 ×

5/{18}

{25}/9

m/s
Length of each train =

1/2 × ({25}/9 × 36)

= 50 m

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