Which of the following sequence is not an A.P. ?
CBSE Class 10 Maths PYQ · Arithmetic Progressions · Basics of AP, CD, Make, find x · 1 Mark · March 2026 · Standard
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221 Mark · March 2026 · Standard
Which of the following sequence is not an A.P. ?
- (a)$2, \frac{5}{2}, 3, \frac{7}{2}, ...$
- (b)$1-2, 3-2, 5-2, 7-2, ...$
- (c)$\sqrt{2}, \sqrt{8}, \sqrt{18}, ...$
- (d)$1^2, 3^2, 5^2, 7^2, ...$
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(D) $1^2, 3^2, 5^2, 7^2, ...$