A man walks at the speed of 4 km/hr and runs at the speed of 8km/hr. How much time will the man require to cover a distance of 24 kms, if he completes half of his journey walking and halfof his journey running?

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A man walks at the speed of 4 km/hr and runs at the speed of 8km/hr. How much time will the man require to cover a distance of 24 kms, if he completes half of his journey walking and halfof his journey running?

A4 hours

B4.5 hours

C5.5 hours

D7 hours

Answer:

B. 4.5 hours

Read Explanation:

Required time to cover total distance = 12/4 + 12/8 = 3 +1.5 =4.5 hours.

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