Question

Which of the following is equivalent to C(16, 4)?

Answer 1

The answer to this question is C (16,12)

Answer 2

Answer- C(16,12)

C(n,r) = n! / r!* (n-r)!

So,

C(16,4) = 16!/ 4! * 12!

C(16,12) = !6!/ 12! * 4!