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26.
In a 500 m race, the ratio of speeds of two contestants A and B is 3 : 4. A has a start of 140 m. Then A wins by
- A.60 m
- C.20 m
- B.40 m
- D.10 m
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| To reach the wining post A will have to cover a distance of (500 – 140), | ||||||
| i.e. 360 m | ||||||
| While A covers 3 m, B covers 4 m | ||||||
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| So, A reaches the wining post while B remains 20 m behind. | ||||||
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27.
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| the race course be so that both reach the winning post simultaneously? |
- A.700 m
- C.800 m
- B.900 m
- D.850 m
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
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| It means that in a race of 3 m, A gains (3 – 2) = 1 m over B | ||||||||||||
| 1 m is gained by A in a race of 3 m | ||||||||||||
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28.
A can run 330 metres in 41 seconds and B in 44 seconds. By how many seconds will B win if he has 30 metres start?
- A.2 sec.
- C.3 sec.
- B.1 sec.
- D.15 sec.
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
| B runs 330 metres in 44 seconds. | ||||||||
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| i.e., 40 secs. | ||||||||
| But A runs 330 metres in 41 seconds | ||||||||
So, B wins by (41 – 40) seconds, i.e., 1 second |
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29.
In one km race A beats B by 5 seconds or 40 metres. How long does B take to run the kilometers?
- A.125 sec
- C.130 sec
- B.120 sec
- D.None of these
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
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30.
In a 100 metres race A can give B 10 metres and C 28 metres. In the same race, B can give C
- A.18 metres
- C.27 metres
- B.20 metres
- D.9 metres
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
| A : B : C = 100 : 90 : 72 | ||||||||||||||||||||||||||||||||
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| So, B can give C 20 metres. | ||||||||||||||||||||||||||||||||
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