In a cycle graph 𝐶𝑛C n​ , how many edges are there?A. 𝑛nB. 𝑛−1n−1C. 𝑛+1n+1D. 2𝑛2n

A complete graph on n vertices has how many edges?a.nb.n-1c.n(n-1)/2d.2n

The number of edges in a complete graph 𝐾𝑛K n​ is:A. 𝑛nB. 𝑛−1n−1C. 𝑛(𝑛−1)22n(n−1)​ D. 2𝑛2n

A wheel graph 𝑊𝑛W n​ has how many edges?A. 2𝑛−22n−2B. 2𝑛−12n−1C. 2𝑛2nD. 2𝑛+12n+1

Which of the following is true for a complete graph 𝐾𝑛K n​ ?A. It has 𝑛(𝑛−1)/2n(n−1)/2 edges.B. It has 𝑛n edges.C. It has 𝑛−1n−1 edges.D. It has 𝑛(𝑛+1)/2n(n+1)/2 edges.

What is the number of edges present in a complete graph having n vertices?