Races and Games
1. In a 100 m race, A runs at 5 m/s and B at 4 m/s. How far is B behind A when A finishes the race?
A. 15 m
B. 20 m
C. 25 m
D. 30 m
B. 20 m
2. In a 100m race, A beats B by 10m. If A finishes in 12 seconds, what is B's speed?
A. 7.5 m/s
B. 8.33 m/s
C. 9.0 m/s
D. 9.5 m/s
A. 7.5 m/s
3. In a 200m race, A can give B a start of 20m. What start can A give B in a 400m race?
A. 30m
B. 40m
C. 50m
D. 60m
B. 40m
4. In a 1km race, A beats B by 50 seconds. If A's speed is 8 m/s, what is B's speed?
A. 6 m/s
B. 6.67 m/s
C. 5.71 m/s
D. 7.5 m/s
C. 5.71 m/s
5. In a 100m race, A beats B by 10m and B beats C by 10m. By how much does A beat C?
A. 18m
B. 19m
C. 20m
D. 21m
B. 19m
6. In a circular track of 400m, A and B start from the same point. A runs at 8 m/s and B at 6 m/s. When will they meet for the first time?
A. 100 seconds
B. 200 seconds
C. 300 seconds
D. 400 seconds
B. 200 seconds
7. A can run 100m in 12 seconds and B in 15 seconds. How many meters start should A give B in a 100m race?
A. 15m
B. 20m
C. 25m
D. 30m
B. 20m
8. In a game of 100 points, A can give B 20 points. How many points can A give B in a game of 150 points?
A. 25 points
B. 30 points
C. 35 points
D. 40 points
B. 30 points
9. A beats B by 100m in a 1km race. If A's speed is 10 m/s, what is the time difference between their finishes?
A. 8 seconds
B. 11.11 seconds
C. 12 seconds
D. 12.12 seconds
B. 11.11 seconds
10. Two runners start from the same point on a circular track (300m) in opposite directions at 5 m/s and 7 m/s. When will they meet?
A. 20 seconds
B. 25 seconds
C. 30 seconds
D. 35 seconds
B. 25 seconds