Q1Moderate
A car travels for 2 hours at 40 km/hr and another 2 hours at 60 km/hr. Then it travels for 3 hours at 50 km/hr. What is the average speed of the car for the whole journey?
View answer & solution
Correct answer: D. 50 km/hr
Quick explanation
D — 50 km/hr. Total distance = 80 + 120 + 150 = 350 km in 7 h; average speed = 350/7 = 50 km/h.
