A man takes 4 h 20 min in walking to a certain place and riding back. If he walk on both sides he losses 1 h. The time he would take by riding both ways is?
Correct Answer: 3 h 20 min
Explanation:
W + R = 4 h 20 min
W + W = 5 h 20 min
∴ R + R = 3 h 20 min
