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Mathematics · 2026 · 1 mark
CBSE 2026 · Region 2 · Set 1 · Q7
Which of the following sequence is not an A.P.?
Which of the following sequence is not an A.P. ?
Official answer
(D)
$\displaystyle 1^{2}, 3^{2}, 5^{2}, 7^{2}, \ldots$
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CBSE Class 10 Mathematics past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.