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SSC CHSL 2024 PYQ — Question 69

SSC CHSL - 10 July 2024 - Shift 4 • Quantitative Aptitude • Q69

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If the surface area of the sphere is 616 cm2, then the radius of the sphere is equal to:

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Correct answer: C

Explanation

The correct answer is option 3 i.e. 7.0 cm.

Surface area of sphere = 4πr24\pi r^2

where r is radius of sphere.

According to the given question,

4πr24\pi r^2 = 616

⇒ 4 × (22/7) × r2 = 616

⇒ r2 = 7 × 7

⇒ r = 7 cm