Races and Games— Concepts, Formulas & Shortcuts
- "A beats B by x metres" ⇒ when A covers the full distance d, B has covered d − x. Speed ratio A : B = d : (d − x).
- "A gives B a start of x metres" ⇒ B runs only d − x while A runs d.
- "A gives B a start of t seconds" ⇒ B begins t seconds earlier; equate the times.
- A dead heat means both finish together — their times are equal.
- "A game of 100" means the first player to score 100 points wins.
- "A can give B 20 points in a game of 100" ⇒ when A scores 100, B scores 80.
Races and Games Practice Questions with Answers
Attempt each question first, then open the explanation. All 18 questions below are free to read and require no signup.
Q1.In a 100 m race, A beats B by 10 m. The ratio of their speeds is:
Easy- A9 : 10
- B10 : 9
- C1 : 10
- D10 : 1
Races and Games question 1 of 18+Show Answer & Explanation
Answer: B. 10 : 9
Explanation: In equal time A covers 100 m and B covers 90 m, so the speed ratio is 100 : 90 = 10 : 9.
Q2.In a 200 m race, A gives B a start of 20 m and still beats him by 10 m. The ratio of their speeds is:
Difficult- A20 : 17
- B10 : 9
- C4 : 3
- D5 : 4
Races and Games question 2 of 18+Show Answer & Explanation
Answer: A. 20 : 17
Explanation: B runs from the 20 m mark, so his race is 180 m; when A finishes 200 m, B is 10 m short and has run 170 m. Speed ratio = 200 : 170 = 20 : 17.
Q3.In race terminology, "a game of 100" means:
Easy- AThe game lasts 100 minutes
- BThe player scoring 100 points first wins
- CThere are 100 players
- DEach player gets 100 chances
Races and Games question 3 of 18+Show Answer & Explanation
Answer: B. The player scoring 100 points first wins
Explanation: The number names the target score: the first competitor to reach it wins the game.
Q4.In a game of 100 points, A can give B 20 points and C 28 points. How many points can B give C in a game of 100?
Difficult- A8
- B10
- C12
- D15
Races and Games question 4 of 18+Show Answer & Explanation
Answer: B. 10
Explanation: A : B = 100 : 80 and A : C = 100 : 72, so B : C = 80 : 72 = 100 : 90 → B can give C 10 points.
Q5.A runs 1¾ times as fast as B. If A gives B a start of 84 m, how far must the winning post be so that both reach it together?
Difficult- A168 m
- B180 m
- C196 m
- D210 m
Races and Games question 5 of 18+Show Answer & Explanation
Answer: C. 196 m
Explanation: Speed ratio = 7 : 4. In equal time, d/(d − 84) = 7/4 → 4d = 7d − 588 → d = 196 m.
Q6.In a 500 m race the speeds of A and B are in the ratio 3 : 4, and A has a start of 140 m. A wins by:
Difficult- A10 m
- B20 m
- C30 m
- D40 m
Races and Games question 6 of 18+Show Answer & Explanation
Answer: B. 20 m
Explanation: A runs 360 m in 360/3 = 120 time units; in that time B covers 4 × 120 = 480 m of his 500 m, so A wins by 20 m.
Q7.In a 200 m race, A beats B by 20 m. The ratio of their speeds is:
Easy- A9 : 10
- B10 : 9
- C20 : 18
- D1 : 10
Races and Games question 7 of 18+Show Answer & Explanation
Answer: B. 10 : 9
Explanation: In equal time A covers 200 m and B covers 180 m → 200 : 180 = 10 : 9.
Q8.In a 100 m race, A beats B by 4 seconds. If B takes 25 seconds, A's time is:
Easy- A20 s
- B21 s
- C22 s
- D24 s
Races and Games question 8 of 18+Show Answer & Explanation
Answer: B. 21 s
Explanation: A finishes 4 seconds sooner: 25 − 4 = 21 seconds.
Q9.In a game of 150 points, A gives B 30 points. When A scores 150, B scores:
Easy- A100
- B110
- C120
- D130
Races and Games question 9 of 18+Show Answer & Explanation
Answer: C. 120
Explanation: Giving 30 points means B is 30 behind at the finish: 150 − 30 = 120.
Q10.In a kilometre race, A beats B by 50 m. The ratio of their speeds is:
Moderate- A19 : 20
- B20 : 19
- C1 : 20
- D50 : 1000
Races and Games question 10 of 18+Show Answer & Explanation
Answer: B. 20 : 19
Explanation: A runs 1,000 m while B runs 950 m → 1000 : 950 = 20 : 19.
Q11.A can run 400 m in 50 seconds and B in 60 seconds. By what distance does A beat B?
Difficult- A50 m
- B60 m
- C66 2/3 m
- D80 m
Races and Games question 11 of 18+Show Answer & Explanation
Answer: C. 66 2/3 m
Explanation: B's speed = 400/60 = 20/3 m/s. In A's 50 s, B covers 20/3 × 50 = 333⅓ m, so A wins by 400 − 333⅓ = 66⅔ m.
Q12.In a 100 m race, A gives B a start of 10 m and still beats him by 5 m. When A finishes, B has run:
Difficult- A80 m
- B85 m
- C90 m
- D95 m
Races and Games question 12 of 18+Show Answer & Explanation
Answer: B. 85 m
Explanation: B's race is 90 m, and he is 5 m short at the finish, so he has covered 85 m.
Q13.In a 400 m race, A beats B by 40 m. The ratio of their speeds is:
Moderate- A9 : 10
- B10 : 9
- C8 : 9
- D9 : 8
Races and Games question 13 of 18+Show Answer & Explanation
Answer: B. 10 : 9
Explanation: In equal time A covers 400 m and B covers 360 m → 400 : 360 = 10 : 9.
Q14.In a game of 60 points, A gives B 12 points. When A scores 60, B scores:
Easy- A40
- B44
- C48
- D52
Races and Games question 14 of 18+Show Answer & Explanation
Answer: C. 48
Explanation: B is 12 points behind at the finish: 60 − 12 = 48.
Q15.In a 100 m race, A beats B by 5 seconds. If A takes 20 seconds, B's time is:
Easy- A22 s
- B23 s
- C25 s
- D30 s
Races and Games question 15 of 18+Show Answer & Explanation
Answer: C. 25 s
Explanation: B takes 5 seconds longer: 20 + 5 = 25 seconds.
Q16.In a 500 m race, A beats B by 50 m. The ratio of their speeds is:
Moderate- A9 : 10
- B10 : 9
- C5 : 4
- D4 : 5
Races and Games question 16 of 18+Show Answer & Explanation
Answer: B. 10 : 9
Explanation: A covers 500 m while B covers 450 m → 500 : 450 = 10 : 9.
Q17.A can run 200 m in 25 seconds. His speed is:
Easy- A6 m/s
- B8 m/s
- C10 m/s
- D12 m/s
Races and Games question 17 of 18+Show Answer & Explanation
Answer: B. 8 m/s
Explanation: 200/25 = 8 m/s.
Q18."A gives B a start of 30 m in a 300 m race" means B runs:
Moderate- A270 m
- B300 m
- C330 m
- D150 m
Races and Games question 18 of 18+Show Answer & Explanation
Answer: A. 270 m
Explanation: B begins 30 m ahead, so his running distance is 300 − 30 = 270 m.
Races and Games — Frequently Asked Questions
What does "A beats B by 10 m in a 100 m race" tell me?+
When A has run the whole 100 m, B has run only 90 m in the same time. Since the times are equal, the speeds are in the ratio 100 : 90 = 10 : 9.
How do I combine two games results?+
Convert both to a common scale. If A : B = 100 : 80 and A : C = 100 : 72, then B : C = 80 : 72 = 100 : 90, so B can give C 10 points in a game of 100.
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