Mathematics · 2021
JEE Main · 25 July 2021, Shift 1 · Q76
Let S_n be the sum of the first n terms of an arithmetic progression. If S_3 n =3 S_2 n, then the value of (S_4 n)/(S_2 n) is:
Let $\displaystyle \mathrm{S}_{\mathrm{n}}$ be the sum of the first n terms of an arithmetic progression. If $\displaystyle \mathrm{S}_{3 \mathrm{n}}=3 \mathrm{~S}_{2 \mathrm{n}}$, then the value of $\displaystyle \frac{\mathrm{S}_{4 \mathrm{n}}}{\mathrm{S}_{2 \mathrm{n}}}$ is :
Official answer
(3)
$\displaystyle 6$
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JEE Main 2021 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.