The speed of a car is 10 km in the first hour and 60 km in the second hour. What is the average speed of the car?
Choose the most appropriate option.
A) 79 kmph B) 85 kmph C) 35 kmph D) 23 kmph E) 14 kmph

Rationale: "s = ( 10 + 60 ) / 2 = 35 kmph answer : c"
Answer: C