The greatest common divisor of \[^{20}{{C}_{1}}{{,}^{20}}{{C}_{3}},...{{,}^{20}}{{C}_{19}}\] is

The greatest common divisor of \[^{20}{{C}_{1}}{{,}^{20}}{{C}_{3}},...

1.	The greatest common divisor of \[^{20}{{C}_{1}}{{,}^{20}}{{C}_{3}},...{{,}^{20}}{{C}_{19}}\] is
A.	20
B.	4
C.	5
D.	None of these
Answer» C. 5

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The greatest common divisor of \[^{20}{{C}_{1}}{{,}^{20}}{{C}_{3}},...{{,}^{20}}{{C}_{19}}\] is

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