state gov TNPSC Group 4 (தமிழ்நாடு குழு IV) Mock Test 2025 Quantitative Aptitude Speed Time and Distance Average Speed
A man covers a certain distance at a speed of 60 km/h and returns at a speed of 40 km/h. What is his average speed (in km/h) for the entire journey?
1
48
2
40
3
12
4
50