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On a straight road $\text{XY}, 100$ metres in length, $5$ stones are kept beginning from the end $\text{X}.$ The distance between two adjacent stones is $2$ metres. A man is asked to collect the stones one at a time and put at the end $\text{Y}.$ What is the distance covered by him?

  1. $460$ metres
  2. $540$ metres
  3. $860$ metres
  4. $920$ metres
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