Math Chapter Wise Permutation And Combination English MCQ JDD-75-PGT TIER II-X-15 28.06.2015 Q.How many diagonals can be drawn in a polygon of n sides? A() n n 1 2 − B() n n 1 2 + C() n n 3 2 − D() n n 3 2 + Show answer Correct answer: () n n 3 2 −