Question

Man walks at a speed of 3 kmph. He doubles his speed after reaching exactly half way. He walks for 5 hours in all. What is the total distance travelled by him?

Answer 1

Hope this helps . Let me if I am wrong .

Answer 2

Answer:

20km

Explanation:

Let total distance be 2D.

He walks first D distance with 3kmph and the next D with 6kmph. By formula,time=Distance/speed

D/3 + D/6 = 5

D =10 , Total distance = 20