Multiple Choice Question (MCQ)

Question: Find the curved surface area of a cylinder 10 cm dia and 20 cm height?
A. 620 cm<sup>2</sup>
B. 628 cm<sup>2</sup>
C. 630 cm<sup>2</sup>
D. 638 cm<sup>2</sup>
Correct Answer: 628 cm<sup>2</sup>