The speed of a car is 80 km in the first hour and 60 km in the second hour. What is the average speed of the car?
Options:
(A) 70 kmph
(B) 92 kmph
(C) 75 kmph
(D) 65 kmph
(E) 77 kmph Stream of consciousness first, then make a decision:
S = (80 + 60)/2 = 70 kmph
Thus, the answer is (A).