InterviewSolution
 Saved Bookmarks
    				| 1. | 
                                    Find the volume and curved surface of a sphere whose diameter is 6 cm. | 
                            
| 
                                   
Answer» Here, 2r = 6 `rArr r - 3 cm` `therefore` Volume of shpere `=(4)/(3)pi r^(3)=(4)/(3)pi(3)^(3)` `= 36pi cm^(3)` and curved surface `= 4pi r^(2)` `= 4 pi (3)^(2)` `= 36 pi cm^(2)`  | 
                            |