1.

Two trains A and B of 300 m and 400 m respectively start traveling in opposite direction at the same time and cross each other in 10 seconds. If speed of train A is 50 m/s then find the speed of train B?

A. 18 m/s
B. 15 m/s
C. 20 m/s
D. 22 m/s
Answer» D. 22 m/s


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