Two trains 140 m and 160 m long run at the speed of 60 km/hr and 40 km – McqOptions

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1.	Two trains 140 m and 160 m long run at the speed of 60 km/hr and 40 km/hr respectively in opposite directions on parallel tracks. The time (in seconds) which they take to cross each other, is?
A.	7.8
B.	9.8
C.	10.8
D.	11.8
Answer» D. 11.8

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