A person travels from x to y at a speed of 40Km/h and returns by increasing his speed . What is his average speed for both the trips?
A. 36km/h
B. 45km/h
C. 48km/h
D. 50km/h
Answer:C
A person travels from x to y at a speed of 40Km/h and returns by increasing his speed . What is his average speed for both the trips?
A. 36km/h B. 45km/h C. 48km/h D. 50km/h