Varun covers a distance of 5 km at a speed of 30 km per hour. Then he travels a distance of 10 km at a speed of 40 km per hour. Finally, he covers the last 35 km at a speed of 60 km per hour. The average speed of Varun during the entire journey, in km per hour, is

Varun covers a distance of 5 km at a speed of 30 km per hour. Then he

1.	Varun covers a distance of 5 km at a speed of 30 km per hour. Then he travels a distance of 10 km at a speed of 40 km per hour. Finally, he covers the last 35 km at a speed of 60 km per hour. The average speed of Varun during the entire journey, in km per hour, is
A.	35
B.	40
C.	45
D.	50
Answer» E.