Question 1
What is the next term in this alternating sequence: 1, 2, 5, 7, 9, 12, 13, 17, ?
Two interleaved sequences:
- Sequence A: 1, 5, 9, 13 (add 4 each time)
- Sequence B: 2, 7, 12, 17 (add 5 each time)
Next term is from Sequence B: 22
- Sequence A: 1, 5, 9, 13 (add 4 each time)
- Sequence B: 2, 7, 12, 17 (add 5 each time)
Next term is from Sequence B: 22