1.

The speeds of two trains A and B are 42 km/h and 33 km/h, respectively. Length of train B is 3/2 times the length of A. Train A takes 50 s to cross train B, if they are moving in the same direction. How long will they take to cross each other if they are moving in opposite directions ?

Answer»

6s
17s
12 s
9s

Answer :A


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