Number Sequence

Number Sequence — 2026-10-13

Write the next number in each sequence, then check the answers below.

1. 9, 16, 25, 36, 49, ____
2. 4, 9, 15, 22, 30, ____
3. 2, 5, 7, 12, 19, ____
4. 2, 6, 18, 54, 162, ____
5. 5, 10, 20, 40, 80, ____

Answers

1. 64
2. 39
3. 31
4. 486
5. 160