Mathematics · 2026
JEE Main · 2 April 2026, Shift 1 · Q7
The number of elements in the set S={(r, k): k ∈ Z. and.^36 C_r+1=(6(^35 C_r))/((k^2-3))}, is:
The number of elements in the set $\displaystyle S=\left\{(r, k): k \in \mathbf{Z}\right.$ and $\displaystyle \left.{ }^{36} \mathrm{C}_{r+1}=\frac{6\left({ }^{35} \mathrm{C}_r\right)}{\left(k^2-3\right)}\right\}$, is :
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 4$
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JEE Main 2026 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.