Mathematics · 2019
JEE Main · 12 January 2019, Shift 2 · Q68
If ^n C_4,^n C_5 and ^n C_6 are in A.P., then n can be:
If $\displaystyle { }^{\mathrm{n}} \mathrm{C}_4,{ }^{\mathrm{n}} \mathrm{C}_5$ and $\displaystyle { }^{\mathrm{n}} \mathrm{C}_6$ are in A.P., then n can be:
Official answer
(4)
$\displaystyle 14$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.