If n distinct objects are arranged in a circle then the number of ways of selecting 3 of these things so that no 2 of them are next to each other is

A. ( n(n-4)(n-6) )/12

b. ( n(n-4)(n-5) )/6

C. ( n(n-3)(n-4) )/6

D.  ( n(n-4)(n-6) )/4

 kya ans  option 3 hai mera pura nahi ayya but ifyou can select the first things in n way the you can select thenext thing in (n-3) ways but