A) 9 cm
B) 81 cm
C) 27 cm
D) 24 cm
Correct Answer: B
Solution :
Ans. Let radius of the sphere is r. Then according to the questions, \[\frac{\frac{4}{3}\pi {{r}^{3}}}{4\pi {{r}^{2}}}=27\] \[\Rightarrow \] \[\frac{r}{3}=27\] \[\therefore \] \[r=81\,\,\text{cm}\]You need to login to perform this action.
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