Question

56. Ifa car covers a certain distance at a speed of 65 kmph and comes back at a speed of 70 kmph. What is the average speed during his journey? (in kmph) a) 65.4 b) 67.4 c) 68.4 d) 66.4​

Answer 1

Answer:

65+70=135

135/2=67.4

b) 67.4