1.

The distance between two station A and B is 220 km. A train leaves A toward B at an average speed of 80 km/hr. after half an hour another train leaves B toward A at an average speed at 100 km/hr. the distance of the point of two train meet, from A is ?

A. 120 km.
B. 130 km.
C. 140 km.
D. 150 km.
Answer» B. 130 km.


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