Question

A postman riding a bicycle at 15 km/h can reach a village in 4 hours. If he is delayed by 1 hour at the

start, then in order to reach his destination in time, he should ride with a speed of :​

Answer 1

Answer:

Given speed =15 km/h

Time = 4hrs.

total distance = ?

Distance = speed x time

15 x 4 = 60

Delayed by 1 hrs.

Average speed = 60/3 = 20 km/h.