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SSC GD 2023 PYQ — Question 47

SSC GD Constable (English) - 23 Jan 2023 - Shift 1 • Quantitative Aptitude • Q47

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If the radius of a sphere is 70 feet, then find its surface area. (Use π = 227\frac{22}{7})

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Correct answer: B

Explanation

The correct answer is option 2 i.e. 61600 feet2

Formula used 

Surface Area of Sphere = 4πr²

Given that

The radius of the sphere r = 70 feet

Surface area = 4 × (22/7) × 702 = 61600 feet2