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SSC CGL 2025 PYQ — Question 75

SSC CGL - 22 Sep 2025 - Shift 2 • Quantitative Aptitude • Q75

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What will come in place of ? to satisfy the equation: (5−1)2=?−25(\sqrt{5}-1)^2 = ? - 2\sqrt{5}

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Correct answer: B

Explanation

The correct answer is option 2 i.e. 6.

(√5 – 1)2 = ? – 2√5

⇒ 5 + 1 – 2√5 = ? – 2√5

⇒ 6 – 2√5 = ? – 2√5

⇒ ? = 6