Answer :

boiley
The answer is C  495                            


The combinations formula:
n C r = (n * ( n - 1 ) ... ( n - r + 1)) / r !
The value of 12 C 4
12 C 4 = ( 12 * 11 * 10 * 9 ) / (  4 * 3 * 2 * 1 )=
= 11.880 / 24 = 495
Answer: C ) 495 

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