Teaching CG Vyapam Assistant Teacher 2024 Mock Test Quantitative Aptitude Speed Time and Distance Average Speed
A boy goes from home to school at a speed of 30 km/h and returns back at a speed of 70 km/h. What is his average speed for the journey?
1
42 km/h
2
48 km/h
3
38 km/h
4
36 km/h