A complete graph of n vertices has ________ edges.

A complete graph of n vertices has ________ edges.

  1. a) n
  2. b) n(n+1)/2
  3. c) n(n-1)/2
  4. d) n²

From the BCS Technical Cadre (CSE) October 2025 – 49th BCS Written (Special) (BPSC) exam, question 35 of 123.

More from this paper