Diameter of sphere is 28 cm. Find out it

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Target Exam

CUET

Subject

General Aptitude Test

Chapter

Quantitative Reasoning

Topic

Mensuration: 3D

Question:

Diameter of sphere is 28 cm. Find out its surface area?

Options:

2464 cm²

11498 cm²

2490 cm²

2260 cm²

Correct Answer:

2464 cm²

Explanation:

Diameter of sphere is 28 cm

Radius = 14 cm

Surface area of sphere = 4Πr²= 4*22*14*14/7 = 2464

The correct answer is Option (1) → 2464 cm²