Two trains 300 m and 400 m long run at the speeds of 40 kmph and 50 – McqOptions

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1.	Two trains 300 m and 400 m long run at the speeds of 40 kmph and 50 kmph respectively in opposite Directions on parallel tracks. The time taken to cross each other?
A.	11 sec.
B.	28 sec.
C.	47 sec.
D.	55 sec.
Answer» C. 47 sec.

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