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SSC Stenographer 2025 PYQ — Question 71

SSC Stenographer - 07 Aug 2025 - Shift 1 • Reasoning • Q71

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Which one is different from the others? 

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Correct answer: B

Explanation

121 = 11²

169 = 13²

144 = 12²

189 = not a perfect square

Hence, the correct answer is option 2.