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Time and Distance - Important Formulas |Aptitude

  1. Speed, Time and Distance:
    Speed =Distance,Time =Distance,Distance = (Speed x Time).
    TimeSpeed
  2. km/hr to m/sec conversion:
    x km/hr =x x5m/sec.
    18
  3. m/sec to km/hr conversion:
    x m/sec =x x18km/hr.
    5
  4. If the ratio of the speeds of A and B is a : b, then the ratio of the
    the times taken by then to cover the same distance is1:1or b : a.
    ab
  5. Suppose a man covers a certain distance at x km/hr and an equal distance at y km/hr. Then,
    the average speed during the whole journey is2xykm/hr.
    x + y

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