Let T_r be the r^th term of an A.P. If for some m, T_m = 1/25, T₂… | JEE Main 2025 Mathematics PYQ | Jeeify

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MCQMediumJEE Main 2025 · 28 January, Shift 1Arithmetic Progression (AP)

Let $T_r$ be the $r^{th}$ term of an A.P. If for some $m$ , $T_m = \frac{1}{25}$ , $T_{25} = \frac{1}{20}$ and $20\sum_{r=1}^{25} T_r = 13$ , then

5m \sum_{r=m}^{2m} T_r \text{ is equal to:}

A
$112$
B
$142$
C
$126$
D
$98$

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