| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what are necessary and sufficient conditions | 0.87 | 0.7 | 1691 | 84 | 44 |
| what | 1.95 | 0.5 | 6834 | 51 | 4 |
| are | 1.99 | 0.6 | 8901 | 49 | 3 |
| necessary | 1.32 | 0.2 | 4538 | 6 | 9 |
| and | 1.61 | 0.8 | 877 | 45 | 3 |
| sufficient | 1.55 | 0.8 | 6297 | 2 | 10 |
| conditions | 0.12 | 0.1 | 537 | 21 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what are necessary and sufficient conditions | 0.21 | 0.1 | 9228 | 49 |
