A) 6 units
B) 8 units
C) 10 units
D) 12 units
Correct Answer: A
Solution :
If r be the radius of sphere, then by hypothesis \[\frac{4}{3}\pi {{r}^{3}}=4\,\pi {{r}^{2}}\]or \[r=3\] Hence, diameter \[=2r=2\times 3=6\] units.
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