Question 4
A motorbike is running from the police station at the speed of 30km/h. After 20 minutes,
a car is running from the same station towards the motorbike with the speed of 50km/h.
How many minutes does it take the car to catch up with the motorbike?

a car is running from the same station towards the motorbike with the speed of 50km/h.
How many minutes does it take the car to catch up with the motorbike?
