1.

There are two trains runing on two parallel tracks length of each train I s 120 m when they are runing in opposite directions they cross each other in 4 seconds and when they are runing in the same direction they cross in 12 seconds.What is the speed of the faster train?

Answer»

80 km/h
72 km/h
120 km/h
144 km/h

Answer :D


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