Practice Questions
| 1. | Find the cost of the fruite Difficulty: easy | 
                                    
                                    3
                                 | 
| 2. | Determine the require price of the product Difficulty: medium | 
                                    
                                    4
                                 | 
| 3. | Find out which person bought the product costlier Difficulty: hard | 
                                    
                                    5
                                 |