Question:medium

If $^{n}C_{12} = ^{n}C_{8}$, then $^{n}C_{17} =$

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Always simplify combinations using $^{n}C_r = ^{n}C_{n-r}$ before computing to minimize arithmetic operations ($^{20}C_{17} \to ^{20}C_3$).

Updated On: May 31, 2026

1140
1150
1160
1170

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The Correct Option is A

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