Permutations And Combinations Question 60
Question: The number of diagonals in a polygon of $ m $ sides is [BIT 1992; MP PET 1999; UPSEAT 1999; DCE 1999; Pb. CET 2001]
Options:
A) $ \frac{1}{2\ !}m(m-5) $
B) $ \frac{1}{2\ !}m(m-1) $
C) $ \frac{1}{2\ !}m(m-3) $
D)  $ \frac{1}{2\ !}m(m-2) $
 Correct Answer: CShow Answer
  Answer:
Solution:
 BETA
  BETA 
             
             
           
           
           
          