Question

a car moves 100m in 15 minutes what is the average speed of car in km per hr

Answer 1

100m = 1/10km 15 minutes = 1/4 hour
Speed = 1/10 ÷ 1/4 km/hr
Speed = 4/10 = 2/5 km/hr
This is your answer friend....
HOPE THIS HELPS YOU OUT.....

Answer 2

0.4 km/h is the right answer
hope so it helps you