A car travels from A to B with 40 km/h and returns from B to A with 60 km/h. Its average speed during the whole journey is?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 48 km/h
Avg. speed of car = (2 × 40 × 60)/(40 + 60)
= 48 km/hr