| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what is the hardest easiest math problem | 0.62 | 0.8 | 1554 | 48 |
| hardest easiest math problem | 1.46 | 0.3 | 5474 | 57 |
| what is the hardest maths | 1.56 | 0.5 | 9702 | 18 |
| math hardest problem ever | 0.47 | 0.1 | 1452 | 42 |
| hardest math problems to solve | 1.96 | 0.2 | 4817 | 78 |
| hardest math problems ever solved | 0.87 | 0.4 | 751 | 34 |
| what is the hardest maths question | 0.93 | 0.6 | 3131 | 35 |
| what is the hardest maths topic | 0.21 | 0.8 | 304 | 94 |
| what is the hardest maths equation | 0.17 | 0.7 | 4826 | 70 |
| what is the hardest maths problem | 0.32 | 0.1 | 6290 | 92 |
| what is the hardest maths sum in the world | 1.46 | 0.1 | 5170 | 42 |
