The curved surface area of a sphere with

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Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Mensuration: 3D

Question:

The curved surface area of a sphere with radius 3.5 cm is:

Options:

256 cm²

170 cm²

196 cm²

154 cm²

Correct Answer:

154 cm²

Explanation:

Curved surface area = 4\(\pi \)R²

= 4 × \(\frac{22}{7}\) × 3.5 × 3.5 = 154 cm²