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5's rule
| Question | Answer |
|---|---|
| 5 ^2 (5 squared) | 25 |
| 15 ^2 (15 squared) | 225 |
| 25 ^2 (25 squared) | 625 |
| 35 ^2 (35 squared) | 1225 |
| 45 ^2 (45 squared) | 2025 |
| 55 ^2 (55 squared) | 3025 |
| 65 ^2 (65 squared) | 4225 |
| 75 ^2 (75 squared) | 5625 |
| 85 ^2 (85 squared) | 7225 |
| 95 ^2 (95 squared) | 9025 |
| 105 ^2 (105 squared) | 11025 |