| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| 100 really hard riddles | 0.86 | 1 | 3972 | 20 | 23 |
| 100 | 0.93 | 1 | 6456 | 31 | 3 |
| really | 0.8 | 0.1 | 8067 | 31 | 6 |
| hard | 1.93 | 0.4 | 7138 | 46 | 4 |
| riddles | 1.25 | 0.4 | 4486 | 61 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| top 100 hardest riddles | 1.98 | 0.8 | 2808 | 48 |
| really really hard riddles | 0.64 | 0.2 | 6578 | 12 |
| most hard riddles with answers | 0.81 | 0.5 | 8479 | 11 |
| top 50 hardest riddles | 1.09 | 0.7 | 387 | 91 |
| interesting hard riddles with answers | 1.34 | 0.1 | 328 | 72 |
| top 10 hardest riddles | 1.31 | 0.2 | 855 | 81 |
| the hardest riddles ever | 0.15 | 0.6 | 4143 | 31 |
| top 5 hardest riddles | 1.32 | 0.4 | 1426 | 27 |
| top 15 hardest riddles with answers | 1.92 | 1 | 278 | 9 |
| top ten hardest riddles | 0.98 | 0.1 | 708 | 16 |
| top 10 hardest riddles with answers | 0.77 | 0.2 | 3940 | 74 |
| hardest riddles ever with answers | 1.03 | 0.9 | 7682 | 14 |
| list of hardest riddles | 1.73 | 1 | 2475 | 4 |
| hardest riddles for adults | 0.4 | 0.2 | 3980 | 60 |
| hardest riddles ever for kids | 0.27 | 0.7 | 9472 | 89 |
| world s hardest riddle | 1.66 | 0.7 | 7568 | 12 |
| what's the hardest riddle | 1.82 | 0.1 | 6063 | 43 |
| really really hard riddles with answers | 1.78 | 0.5 | 7048 | 85 |
| really really really hard riddles | 0.88 | 0.5 | 3935 | 88 |
| what are some really really hard riddles | 0.58 | 0.2 | 3171 | 98 |
| tell me a really really really hard riddle | 0.54 | 0.9 | 220 | 67 |
| really hard riddles for adults | 1.96 | 0.7 | 6455 | 85 |
