A

Admin • 825.56K Points
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Q. A train crosses a standing man in 7 seconds and crosses a platform in 21 seconds. What is the ratio of train length to platform length?

  • (A) 1:2
  • (B) 1:3
  • (C) 1:4
  • (D) 2:3
Explanation by: Admin
Length ratio = 7 : (21−7) = 7:14 = 1:2.

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