Practice Questions
| 1. | Answer the question Difficulty: easy | 
                                    
                                    3
                                 | 
| 2. | Determine the missing frequency Difficulty: medium | 
                                    
                                    4
                                 | 
| 3. | Find the value of 'x' Difficulty: medium | 
                                    
                                    4
                                 | 
| 4. | Find the value of the variables Difficulty: medium | 
                                    
                                    4
                                 |