A car travels 15 meters in one second. What is the speed of the car per hour in kilometer?

A car travels 15 meters in one second. What is the speed of the car per hour in kilometer?

A 54

B 42

C 48

D 36

Solution

Correct Answer: Option A

1 m/s = 3.6 km/h

So,

15 m/s = 15*3.6 km/h

= 54 km/h