[" A car moving on a straight road covers one third of the distance with "20],[km/hr" and the rest with "60km/hr" .The average speed is "]

One car moving on a straight road covers one third of the distance with 20 km/hr and the rest with 60 km/hr. The average speed is

One car moving on a straight road covers one third of the distance with 20 km/hr and the rest with 60 km/hr. The average speed is

One car moving on a staright road covers one-third of the distance with 20 (km)/(hr) and the rest with 60 (km)/(hr) . The average speed is

One car moving on a staright road covers one-third of the distance with 20 (km)/(hr) and the rest with 60 (km)/(hr) . The average speed is

A car is moving on a straight road covers one third of the distance with a speed of 20 km/h and the rest with a speed of 60 km/h. The average speed of the car is

A car is moving on a straight road covers one third of the distance with a speed of 20 km/h and the rest with a speed of 60 km/h. The average speed of the car is

A car is moving on a straight road covers one third of the distance with a speed of 30 km/h and the rest with a speed of 50 km/h. The average speed of the car is