Two trains 150 m and 120 m long respectively moving from opposite directions cross each other in 10 secs. If the speed of the second train is 43.2 km/hr, then the speed of the first train is

Two trains 150 m and 120 m long respectively moving from opposite dire

1.	Two trains 150 m and 120 m long respectively moving from opposite directions cross each other in 10 secs. If the speed of the second train is 43.2 km/hr, then the speed of the first train is
A.	54 km/hr
B.	50 km/hr
C.	52 km/hr
D.	51 km/hr
Answer» B. 50 km/hr

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Two trains 150 m and 120 m long respectively moving from opposite directions cross each other in 10 secs. If the speed of the second train is 43.2 km/hr, then the speed of the first train is

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