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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 1 · Set 3 · Q17
The 11^th and 13^th term of an AP are 39 and 45, respectively. What is the common difference of the AP?
The $\displaystyle 11^{\text {th }}$ and $\displaystyle 13^{\text {th }}$ term of an AP are $\displaystyle 39$ and $\displaystyle 45$ , respectively. What is the common difference of the AP ?
Official answer
(D)
$\displaystyle 3$
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