Trains Boats and Streams Practice Test 1 with solutions

Question : 11 of 40

Marks: +1, -0

Two trains are moving at 50 km/hr and 70 km/hr in an opposite direction. Their lengths are 150 m and 100 m respectively. The time they will take to pass each other completely is :

3 seconds
$4 1/2$ seconds
5 seconds
$7 1/2$ seconds

Validate

Solution:

Required time =

(150+100)/{(50+70)×5/{18}}

{250×18}/{120×5}

{15]/2

7 1/2

sec.

Go to Question:

Prev Question

Next Question