Two trains 105m and 90m long, run at the speeds of 45 km/hr and 72 – McqOptions

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1.	Two trains 105m and 90m long, run at the speeds of 45 km/hr and 72 km/hr respectively, in opposite directions on parallel tracks. The time which they take to each other is
A.	5 sec
B.	7 sec
C.	6 sec
D.	8 sec
Answer» D. 8 sec

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