Mathematics · 2024
JEE Main · 30 January 2024, Shift 1 · Q6
Let S_n denote the sum of first n terms of an arithmetic progression. If S_20=790 and S_10=145, then S_15- S_5 is:
Let $\displaystyle \mathrm{S}_{\mathrm{n}}$ denote the sum of first n terms of an arithmetic progression. If $\displaystyle \mathrm{S}_{20}=790$ and $\displaystyle \mathrm{S}_{10}=145$, then $\displaystyle \mathrm{S}_{15}-\mathrm{S}_5$ is :
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 395$
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JEE Main 2024 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.