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SSC CPO 2025 PYQ — Question 126

SSC CPO - 9 Dec 2025 - Shift 1 • Quantitative Aptitude • Q126

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A regular polygon has interior angle 160°. How many sides does it have?

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Correct answer: A

Explanation

Interior angle = 160°

Interior angle = [(n − 2) × 180] / n

160 = [(n − 2) × 180] / n

160n = 180n − 360

360 = 20n

n = 18