20-01-2014, 10:20 PM
A car travels 8km in the first quarter of an hour,6km in the second quarter and 16km in the third quarter. The average speed of the car in km per hour over the entire journey is ____
Options:
a. 20
b. 36
c. 41
d. 40
Options:
a. 20
b. 36
c. 41
d. 40