Question:medium

If the sum of $ n $ terms of two A.P.s are in the ratio $ (3n + 8) : (7n + 15) $, then the ratio of their $ 12^{\text{th}} $ terms is:

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To get ratio of $m^{th}$ terms from ratio of $S_{n}$, always use $n = 2m - 1$.

Updated On: Apr 8, 2026

$8:7$
$7:16$
$44:99$
$1:2$

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The Correct Option is B

Solution and Explanation

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If the sum of \( n \) terms of two A.P.s are in the ratio \( (3n + 8) : (7n + 15) \), then the ratio of their \( 12^{\text{th}} \) terms is:

Show Hint

The Correct Option is B

Solution and Explanation

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