2. | A and B take part in 100 m race. A runs at 5 kmph. A gives B a start of 8 m and still beats him by 8 seconds. The speed of B is: | |||||||||||||||||||||||||||||||||
Answer: Option B Explanation:
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3. | In a 500 m race, the ratio of the speeds of two contestants A and B is 3 : 4. A has a start of 140 m. Then, A wins by: | ||||||||||||||
Answer: Option C Explanation:
To reach the winning post A will have to cover a distance of (500 – 140)m, i.e., 360 m. While A covers 3 m, B covers 4 m.
Thus, when A reaches the winning post, B covers 480 m and therefore remains 20 m behind.
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4. | In a 100 m race, A beats B by 10 m and C by 13 m. In a race of 180 m, B will beat C by: | ||||||||||||||||||||||||||||||||
Answer: Option D Explanation:
A : B = 100 : 90. A : C = 100 : 87.
When B runs 30 m, C runs 29 m.
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5. | At a game of billiards, A can give B 15 points in 60 and A can give C to 20 points in 60. How many points can B give C in a game of 90? | |||||||||||||||||||||||||||||||||
Answer: Option C Explanation:
A : B = 60 : 45. A : C = 60 : 40.
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