Question
A runner gives another runner a 100-meter start in a 1-km race and still finishes together. What is the speed ratio of the faster runner to the slower runner?
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Correct Answer: B. 10:9
Explanation:
In the same time, the faster runner covers 1,000 m while the slower covers 900 m.
Their speed ratio is therefore 1,000:900 = 10:9.
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