# | TRIANGULAR NUMBER | % Correct |
---|---|---|
1 | 1 | 99%
|
2 | 3 | 97%
|
3 | 6 | 93%
|
4 | 10 | 85%
|
5 | 15 | 83%
|
6 | 21 | 81%
|
7 | 28 | 77%
|
8 | 36 | 75%
|
9 | 45 | 74%
|
10 | 55 | 72%
|
11 | 66 | 70%
|
12 | 78 | 68%
|
13 | 91 | 65%
|
14 | 105 | 61%
|
15 | 120 | 59%
|
16 | 136 | 57%
|
17 | 153 | 52%
|
18 | 171 | 46%
|
19 | 190 | 42%
|
20 | 210 | 40%
|
21 | 231 | 38%
|
22 | 253 | 34%
|
23 | 276 | 29%
|
24 | 300 | 24%
|
25 | 325 | 22%
|
26 | 351 | 20%
|
27 | 378 | 16%
|
28 | 406 | 11%
|
29 | 435 | 9%
|
30 | 465 | 9%
|
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