Find the odd man out. 1. 1, 4, 9, 16, 23, 25, 36 (2)
- 1. 9
- 2. 23
- 3. 25
- 4. 36
2. 1, 4, 9, 16, 20, 36, 49 (3)
- 1. 1
- 2. 9
- 3. 20
- 4. 49
3. 2, 5, 10, 17, 26, 37, 50, 64 (4)
- 1. 50
- 2. 26
- 3. 37
- 4. 64
4. 10, 14, 16, 18, 21, 24, 26 (3)
- 1. 26
- 2. 24
- 3. 21
- 4. 18
5. 16, 25, 36, 72, 144, 196, 225 (2)
- 1. 36
- 2. 72
- 3. 196
- 4. 225