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Q. What is the speed of a train if it overtakes two persons who are walking in the same direction at the rate of a m/s and (a + 1) m/s and passes them completely in b seconds and (b + 1) seconds respectively?

  • (A) (a + b) m/s
  • (B) (a + b + 1) m/s
  • (C) (2a + 1) m/s
  • (D) (2a + 1)/2 m/s
  • Correct Answer - Option(B)
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  • Filed under category Math
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