Race and Circular Motion MCQ Set 1

RACE AND CIRCULAR MOTION MCQ SET 1

1. In a linear race of 1000 m , A beats B by 50 m or 5 seconds . What is the difference between the speeds (in m/s) of A and B?

(a) 1 10/19

(b) 10/19

(c) 9/19

(d) 9/10

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Answer: B

2. In a 1400m race John reaches the finish point in 1 min 6 sec , while James reaches the finish point in 77 sec . By how much distance does John beat James?

(a) 240 m

(b) 220 m

(c) 180 m

(d) 200 m

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Answer: D

3. In a 100-m race . A beats B by 20 m and B beats C by 20 m . By how much distance does A beat C .

(a) 64 m

(b) 24 m

(c) 25 m

(d) 36 m

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Answer: D

4. In a 1500m race , Anil beats Bakul by 150m and in the same race Bakul beats Charles by 75 m . By what distance does Anil beat Charles ?

(a) 217.50 m

(b) 200.15 m

(c) 293.50 m

(d) 313.75 m

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Answer: A

5. In a 1500m race , If A beats B by 100 m and B beats C by 150 m , then by what distance (in m) does A beat C?

(a) 140

(b) 150

(c) 100

(d) 240

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Answer: D

6. In A 1200 m race , bike A beats bike B by 100m . Bike B beats bike C by 100m in a 600m race . If bike A beats bike C by 30 sec in a 720 m race , then what is the speed of bike C?

(a) 17/3 m/sec

(b) 26/9 m/sec

(c) 17/9 m/sec

(d) 26/3 m/sec

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Answer: A

7. In a linear race of 500m , A can beat B by 50m and in a race of 600m , B can beat C by 60 m . By how many metres will A beat C in a race of 400m?

(a) 70

(b) 68

(c) 76

(d) 72

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 Answer: C

8. In a 150-m race , if R gets a 5-metre head start , then he would beat S by 35 metres . If S gets a 25-metre head start in a 100 metre race , then _____ would win the race by _____ metres .

(a) R; 5.44

(b) S; 5.44

(c) S; 4.44

(d) R; 4.44

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Answer: B

9. In a race of 400m , Bhim gave Saral a head start by 20m at the start of the race . Saral took 48 seconds to complete the race . What was the speed (in m/s) of Bhim if Saral defeated Bhim by a margin of 2 seconds?

(a) 8

(b) 8.7

(c) 7.6

(d) 7.4

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Answer: A

10. In a 1500 m race , if vehicle P gives vehicle Q a start of 200m , then vehicle P wins the race by 8 sec . Alternatively , if vehicle P gives vehicle Q a start of 400m , the race ends in a dead heat . How long does vehicle P take to run 1500 m?

(a) 44 sec

(b) 45 sec

(c) 40 sec

(d) 60 sec

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Answer: A