MCQOPTIONS
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				| 1. | 
                                    The following formula is of :left_subtree (keys) node (key) right_subtree (keys) | 
                            
| A. | Bianry Tree | 
| B. | Complete Binary Tree | 
| C. | Binary Search Tree | 
| D. | All of the above | 
| Answer» D. All of the above | |