1.

A man starts his walking at 3PM from point A; he walks at the rate of 4km/hr in plains and 3km/hr in hills to reach the point B. During his return journey he walks at the rate of 6km/hr in hills and 4km/hr in plains and reaches the point A at 9PM. What is the distance between A and B?

A. 12km
B. 20km
C. 15km
D. 16km
Answer» B. 20km


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