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SSC Selection Post 2025 PYQ — Question 48

SSC Selection Post - Higher Secondary Level - 24th July 2025 - Shift 2 • Quantitative Aptitude • Q48

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If x + y = 7 and xy = 10, then the value of x² + y² is:

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Correct answer: A

Explanation

x + y = 7
xy = 10

x² + y² = (x + y)² − 2xy

x² + y² = 7² − 2 × 10

= 49 − 20

= 29