Two trains are coming from opposite directions with speed of 75 km/hr – McqOptions

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1.	Two trains are coming from opposite directions with speed of 75 km/hr and 100 km/hr on to parallel tracks. At some moment the distance between them is 100km. After T hours, distance between them is again 100 km. T is equal to?$?
A.	1 hr
B.	17/2 hr
C.	11/2 hr
D.	2 hr
Answer» C. 11/2 hr

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