Discussion
A can run 1 km in 4 minutes 54 seconds and B in 5 minutes. By what distance does A beat B ?
Answer: B
Correct answer: 20 m
A finishes in 294 seconds. In that time B, who needs 300 seconds for the full kilometre, covers
\[1000 \times \frac{294}{300} = 980 \text{ m}\]
So A beats B by \(1000 - 980 = 20\) m, which corresponds to the 6-second gap.
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