nCp = n! / (p!)*(n-p)!
so 12C8 = 12! / (8!)*(4!)
= 11880 / 24
= 495
ans is C
The correct answer is option c which is 495.
Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication and division.
[tex]^{12}C_8=\dfrac{12!}{8!\times 4!}[/tex]
[tex]^{12}C_8=\dfrac{12\times 11\times 10\times 9}{4\times 3\times 2}[/tex]
[tex]^{12}C_8 = \dfrac{11880}{ 24}= 495[/tex]
Therefore the correct answer is option c which is 495.
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