

MCQOPTIONS
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1. |
Surface area of a sphere of radius r is given by __________ |
A. | 2 r<sup>2</sup> |
B. | 4 r<sup>2</sup> |
C. | 3 r<sup>2</sup> |
D. | r<sup>2</sup> |
Answer» C. 3 r<sup>2</sup> | |