Question

A car moves with a speed of 60km/h for 20min and then at a speed of 30km/h for the next 20min. The total distance covered by the car is

Answer 1

For The first time
given
speed-60k/h
Time - 20 min

we know= Distance= Speed * time
=60*20
=1200Km
2nd part
Given
Speed=30
Time=20

Distance= Speed*time
=30*20
=600Km

Their for Total distance=1200+600
=1800Km
Hope this helps....

Answer 2

total distance =total distance traveled/total Time covered
=90/40=45/20=2.25=2.25/100
move two digits front
=225 km/hr

.........hope it helps you........