Question

4.
"A car is moving on a straight road covers one third of the distance with a speed of 20 km/h and the rest w
a speed of 60 km/h. The average speed of the car is
(1) 40 km/h
(2) 50 km/h
(3) 36 km/h
(4) 55 km/h​

Answer 1

Answer:

V1= 20 km/h

V2= 60 km/h

avg speed = V1+V2/2

= 20 +60/2

= 50

so,avg speed= 50 km/h

option 2)

hope it helps you