Question

a man runs 15 km in 15 min. what is the speed in kilometre in per hour?​

Answer 1

Explanation:

he runs 15 minutes in 1/4 hour

so his speed in hour will be 15×4=60

60 km per hour

Answer 2

Explanation:

Correct option is

A

25 min

Speed =15 km/hr.

Total distance to be covered =4 km.

Time taken to cover 1 km=4 min.

Given:After every kilometre, he takes rest for 3 minutes.

Hence total time taken =4+3+4+3+4+3+4=25 min