Which of the following runs the fastest?

Which of the following runs the fastest?

  1. a) O(log n)
  2. b) O(n)
  3. c) O(n log n)
  4. d) O(√n)

From the BCS Technical Cadre (ICT) October 2025 – 49th BCS Written (Special) (BPSC) exam, question 21 of 106.

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