Question
Mathematics Question on Speed Time and Distance
A man goes uphill with an average speed of 24 km/h and comes down with an average speed of 36 km/h. The distance travelled in both cases being the same. The average speed for the entire journey is:
A
30 km/h
B
28.8 km/h
C
32 km/h
D
45 km/h
Answer
28.8 km/h
Explanation
Solution
The correct option is (B) : 28.8 km/h