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1. A can run 22.5 m while B runs 25 m. In a kilometer race B beats A by :

  • A. 100 m
  • B. 100 m
  • C. 100 m
  • D. 100 m

Answer: Option A

Explanation:

When B runs 25 m

A runs 45/2 = 22.5 m

B 1000m, a runs ( 45/2×1/25×1000) = 900 m

B beats A by ( 1000 - 900) m = 100 m

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