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SSC Selection Post 2025 PYQ — Question 49

SSC Selection Post - Higher Secondary Level - 26th July 2025 - Shift 2 • Quantitative Aptitude • Q49

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If a – b = 5  and a2 + b2 = 73, then the value of ab is:

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Correct answer: B

Explanation

a − b = 5

a² + b² = 73

(a − b)² = a² + b² − 2ab

25 = 73 − 2ab

2ab = 73 − 25

2ab = 48

ab = 24