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In a 100m race: A runs at 8 km per hour....

In a 100m race: A runs at 8 km per hour. If A gives B a start of 5m and still beats him by 15 seconds: what is Bs speed.

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  11. In a 1000 m race, A can beat B by 100 m. In a race of 400 m, B c...

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  12. In a 100 m race, A beats B by 10 m and C by 13 m. In a race o...

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  19. A and B take part in a 100 m race. A runs at 5 km an hour. A giv...

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  20. In a 400 m race, A gives B a start of 5 seconds and beats him by...

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