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SSC CHSL 2025 PYQ — Question 74

SSC CHSL - 21 Nov 2025 - Shift 1 • Quantitative Aptitude • Q74

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If x + y = 7 and xy = 12, calculate the value of x² + y².

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Correct answer: B

Explanation

Given:

x + y = 7

xy = 12

By the formula:

x² + y² = (x + y)² − 2xy

x² + y² = 7² − 2 × 12

= 49 − 24

= 25

x² + y² = 25