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In a 500 m race, A reaches the final point in 28 s and B reaches in 35 s. By how much distance does A beat B?

  • A.100m
  • B.200m
  • C.500m
  • D.600m

Answer: A

A finishes in 28 seconds. In that time B, who needs 35 seconds for 500 m, covers

\[ 500 \times \frac{28}{35} = 400 \text{ m} \]

\[ \text{A beats B by } 500 - 400 = 100 \text{ m} \]

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