A man has to be at a certain place at a certain time. He finds that he shall be 20 minutes late if he walks at 3 km/hour speed and 10 minutes earlier if he walks at a speed of 4 km/hour . The distance he has to walk is

A man has to be at a certain place at a certain time. He finds that he

1.	A man has to be at a certain place at a certain time. He finds that he shall be 20 minutes late if he walks at 3 km/hour speed and 10 minutes earlier if he walks at a speed of 4 km/hour . The distance he has to walk is
A.	24 km
B.	12 5 km
C.	10 km
D.	6 km
Answer» E.

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