1.

Two stations P and Q are 570 km apart on a straight line. One train starts from P at 5 a.m. and travels towards Q at 90 km/h. Another train starts from Q at 6 a.m. and travels towards P at a speed of 70 km/h.. At what time will they meet?

A. 11 a.m.
B. 9 a.m.
C. 1 p.m.
D. 3 p.m.
Answer» C. 1 p.m.


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