A car goes from town P to town Q, 120 km apart, at 40 km/h and returns from Q to P at 60 km/h. What is its average speed for the whole journey (in km/h)?
A. 52
B. 50
C. 48
D. 45
1 answer
Best answer
Answer: C. 48
Answer: (C) 48
Time = 120/40 + 120/60 = 3 + 2 = 5 h for 240 km. Average speed = 240 ÷ 5 = 48 km/h.
Doubtly AI
· 27 Oct 2026
AI-generated · not yet verified
Report
Was this answer helpful?
Thanks for the feedback.
Sign up free to save answers and ask your own doubts
Your answer
Log in or create a free account to answer this question.