| Hint | Answer | % Correct |
|---|---|---|
| Start with 1 | 1 | 100%
|
| add 2... | 3 | 100%
|
| add 3... | 6 | 100%
|
| add 4...and so on | 10 | 95%
|
| 15 | 90%
| |
| 21 | 88%
| |
| 28 | 81%
| |
| 36 | 80%
| |
| 45 | 74%
| |
| 55 | 74%
| |
| 66 | 73%
| |
| 78 | 69%
| |
| 91 | 62%
| |
| 105 | 54%
| |
| 120 | 44%
| |
| Keep going! | 136 | 33%
|
| 153 | 26%
| |
| 171 | 20%
| |
| 190 | 17%
| |
| 210 | 15%
| |
| 231 | 14%
| |
| 253 | 11%
| |
| 276 | 9%
| |
| 300 | 6%
| |
| 325 | 6%
| |
| 351 | 6%
| |
| 378 | 6%
| |
| 406 | 6%
| |
| 435 | 5%
| |
| 465 | 4%
|