Question : In a completely connected network, how many lines are required for connecting 6 nodes?

Question : In a _________ network, all nodes are connected to a single communication line and share it for all their communication needs.

Question : What are the coordinates of the centroid of a triangle whose vertices are A (2, 5), B (–4, 0), and C (5, 4)?

Question : If $m+n=-2$, then the value of $m^{3}+n^{3}-6mn$ is:

Question : If $\mathrm{N}+\frac{1}{\mathrm{~N}}=\sqrt{3}$, then find the value of $\mathrm{N}^6+\frac{1}{\mathrm{~N}^6}+11$.