| Answer | % Correct |
|---|---|
| 99+1 | 100%
|
| 10*10 | 97%
|
| 101-1 | 97%
|
| 150-50 | 97%
|
| 20*5 | 97%
|
| 50*2 | 97%
|
| 50+50 | 97%
|
| 90+10 | 97%
|
| 95+5 | 97%
|
| 200/2 | 94%
|
| 500-400 | 94%
|
| 60+40 | 94%
|
| 1000-900 | 89%
|
| 45+55 | 89%
|