TIME AND DISTANCE -IMPORTANT FACTS AND FORMULA

  1. Speed = [Distance/Time],
    Time = [Distance/Speed],
    Distance = (Speed*Time)
  2. x km/hr = [x*5/18] m/sec.
  3. If the ratio of the speeds of A and B is a:b, then the ratio
    of the times taken by them to cover the same distance is
    1/a : 1/b or b:a.
  4. x m/sec = [x*18/5] km/hr.
  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 is [2xy/x+y] km/hr.
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