1.

 A and B are 20 km apart. A can walk at an average speed of 4 km/hr and B at 6 km/h. If they start walking towards each other at 7:000 am, when they will meet?

A. 8:00 am
B. 8:30 am
C. 9:00 am
D. 10:00 am
Answer» D. 10:00 am


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