Question

A man takes 1 hour to reach his office which is 10 km from his home. I f he wish to reach his office in 40 min, he must walk with a speed of? ​

Answer 1

Answer:

15 km/h

Explanation:

let time taken be 1

distance covered 10

speed = 10km/h

new time = 40 min

= 2/3

distance = 10

new speed = 10×3/2

= 15 km/h