The speed of a car is 60 km in the first hour and 30 km in the second hour. What is the average speed of the car?	Answers.
A) 45 kmph
B) 65 kmph
C) 75 kmph
D) 85 kmph
E) 90 kmph
Explanation:   S = (60 + 30)/2= 
<gadget id="calculator">(60 + 30)/2</gadget>
<output>45</output>
45 kmph   45 kmph)
<result>A</result>
The speed of a car is 60 km in the first hour and 30 km in the second hour. What is the average speed of the car?