Question

EXAMPLE 21. Two trains are running in opposite directions with the same speed. If the
length of each train is 120 metres and they cross each other in 12 seconds, then find the speed of
nach train in km/hr)?
100​

Answer 1

Explanation:

Let the speed of each train be x m/sec.

Relative speed of the train =2x m/sec.

So 2x= 12

120+120

⇒2x= 12240x= 220 =10

Speed of each train =(10×

518 ) km/hr =36 km/hr.

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