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  • + 0 comments

    Answer is Stack because when we insert new element in stack and want to delete that element then it follow last in first out ordering

  • + 1 comment

    please explain 2nd question

  • + 0 comments
    Stack
    
  • + 1 comment

    explain 2nd number question

  • + 0 comments

    Answered. Now what? Neither points added, nor transferred to the next poroblem.