Math Puzzle : Walking Down The Hill

Puzzle Detailsa man can walk 3 miles per hour uphill and 4 miles per hour on flat land and 6 miles per hour downhill. If a man reached, beach near by him, walking for 50 minutes and he walked back home in 1 hour, can you calculate the total distance from the man's house to the beach? (Note: man walk with same uniform speed.)

Solution :

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