Mathematics · 2024
JEE Main · 1 February 2024, Shift 2 · Q7
Let S_n denote the sum of the first n terms of an arithmetic progression. If S_10=390 and the ratio of the tenth and the fifth terms is 15: 7, then…
Let $\displaystyle S_{\mathrm{n}}$ denote the sum of the first n terms of an arithmetic progression. If $\displaystyle S_{10}=390$ and the ratio of the tenth and the fifth terms is $\displaystyle 15$ : $\displaystyle 7$, then $\displaystyle \mathrm{S}_{15}-\mathrm{S}_5$ is equal to :
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle 790$
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JEE Main 2024 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.