11. The bus travels 450 km in 9 hours. What is the speed of the bus?
A. 50 km/hr
B. 60 km/hr
C. 70 km/hr
D. 80 km/hr
12.Dennis drove his car at an average speed of 80km per hour for a total distance of
440km. How long did he travel to cover this distance?
A. 0.18 hr
B. 0.5 hr
C. 5.5 hour
D. 10 hr
13. The distance of the school from your house is 240 meters. It takes 80 minutes by
walking to reach the school. What is your average speed?
A. 2 m/min
B. 3 m/min
C. 4 m/min
D. 6 m/min
14.. If car travels 100 kilometers in 2 hours, What is the average speed?
A. 50 kph
B. 51 kph
C.52 kph
D.53 kph
15. Shaina drives at an average of 45 mph on a journey of 135 miles. How long does
the journey take?
A. 3 hours
B. 4 hours
C. 5 hours
D. 6 hours​