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SSC CGL 2025 PYQ — Question 59

SSC CGL - 16 Sep 2025 - Shift 1 • Quantitative Aptitude • Q59

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If base perimeter = 40 cm, slant height = 10 cm, what is lateral surface area of square pyramid?

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Correct answer: B

Explanation

The correct answer is option 2 i.e.  200 cm2.

Lateral surface area of a pyramid:

LSA = 121\over2 × (base perimeter) × (slant height)

⇒ 121\over2 × 40 × 10 = 200 cm2