If the settlement of a single pile in sand is denoted by S and that of a group of N identical piles (each pile carrying the same load) by Sg, then the ratio Sg/S will

- 1
  
  be equal to 1 irrespective of width of the group
- 2
  
  be equal to N irrespetive of width of the group
- 3
  
  decrease as the width of the group increases
- 4
  
  increase as the width of the group increases

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