Offline paper
Mathematics · 2017
JEE Main 2017 · 2017-04-02 Offline · Q62
If, for a positive integer n, the quadratic equation, x(x+1)+(x+1)(x+2)+…. +(x+n̅-̅1̅) (x+ n )=10 n has two consecutive integral solutions, then n is…
If, for a positive integer n, the quadratic equation,
$$\begin{aligned}
& x(x+1)+(x+1)(x+2)+\ldots . \\
& +(x+\overline{\mathrm{n}-1}) \quad(x+\mathrm{n})=10 \mathrm{n}
\end{aligned}
$$
has two consecutive integral solutions, then n is equal to :
Official answer
(3)
$\displaystyle 11$
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JEE Main 2017 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.