Question

A car is moving at a speed of 40 km per hours for 1 st 2hours it speed reduced up to 20 km per hour for next 1 hours later it move at Speed of 60 km per hour of 180 km ? Find the average speed of car in total journey ? Total distance covered by car?

Answer 1

Average speed is 30 km/hr and total distance covered by the car is 140 km