| Question | Answer | % Correct |
|---|---|---|
| 9-10 | -1 | 100%
|
| 89-88 | 1 | 100%
|
| 3x7 | 21 | 100%
|
| 12x2 | 24 | 100%
|
| 0-0 | 0 | 98%
|
| 1+2+3+4 | 10 | 97%
|
| 45+8 | 53 | 97%
|
| Square root 36 | 6 | 96%
|
| 13x2 | 26 | 95%
|
| 56/7 | 8 | 95%
|
| (4+5)x7 | 63 | 94%
|
| $4.5+$5.6 | $10.1 | 84%
|
| 78x78/78 | 78 | 81%
|
| A dozen plus a score | 32 | 40%
|
| One gross | 144 | 25%
|