Practicing Success
A car travels 80 km in first hour and 70 km in second hour. What is the average speed of the car? |
150 km/hr 80 km/hr 75 km/hr 100 km/hr |
75 km/hr |
Average speed = $\frac{total\; distance}{total\; hours}$ = $\frac{80+70}{2}$ = 75 km/hr |