Two trains approach each other at 30 km/hr and 27 km/hr from two place – McqOptions

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1.	Two trains approach each other at 30 km/hr and 27 km/hr from two places 342 km apart. After how many hours will they meet ?
A.	6 hrs
B.	9 hrs
C.	10 hrs
D.	11 hrs
Answer» B. 9 hrs

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