PassNova has 13 free 11+ Maths practice questions on Sequences, each with a clear explanation. Practise them in the browser with instant feedback — 100% free, no sign-up, on any device. Updated for 2026.
Sequences: example questions & answers
13 worked examples with answers and explanations below. Practise them in the browser with instant feedback on every answer.
What is the next number in this sequence? 4, 9, 14, 19, …
- A29
- B24✓
- C25
- D19
Answer: Each number goes up by 5, so after 19 comes 24.
What is the next number in this sequence? 7, 13, 19, 25, …
- A37
- B32
- C31✓
- D25
Answer: Each number goes up by 6, so after 25 comes 31.
What is the next number in this sequence? 100, 92, 84, 76, …
- A60
- B68✓
- C69
- D76
Answer: Each number goes down by 8, so after 76 comes 68.
What is the next number in this sequence? 3, 12, 21, 30, …
- A48
- B40
- C39✓
- D30
Answer: Each number goes up by 9, so after 30 comes 39.
What is the next number in this sequence? 50, 43, 36, 29, …
- A15
- B23
- C29
- D22✓
Answer: Each number goes down by 7, so after 29 comes 22.
What is the next number in this sequence? 12, 23, 34, 45, …
- A67
- B57
- C56✓
- D45
Answer: Each number goes up by 11, so after 45 comes 56.
What is the next number in this sequence? 2, 4, 8, 16, …
- A18
- B32✓
- C24
- D34
Answer: Each number is the one before multiplied by 2, so after 16 comes 16 × 2 = 32.
What is the next number in this sequence? 3, 9, 27, 81, …
- A84
- B243✓
- C162
- D246
Answer: Each number is the one before multiplied by 3, so after 81 comes 81 × 3 = 243.
What is the next number in this sequence? 4, 16, 64, 256, …
- A260
- B1024✓
- C512
- D1028
Answer: Each number is the one before multiplied by 4, so after 256 comes 256 × 4 = 1024.
What is the next number in this sequence? 5, 25, 125, 625, …
- A630
- B1250
- C3125✓
- D3130
Answer: Each number is the one before multiplied by 5, so after 625 comes 625 × 5 = 3125.
What is the next number in this sequence? 4, 9, 16, 25, …
- A31
- B36✓
- C37
- D50
Answer: These are square numbers: 2×2, 3×3, 4×4, 5×5. The next one is 6 × 6 = 36.
What is the next number in this sequence? 9, 16, 25, 36, …
- A43
- B50
- C72
- D49✓
Answer: These are square numbers: 3×3, 4×4, 5×5, 6×6. The next one is 7 × 7 = 49.
What is the next number in this sequence? 16, 25, 36, 49, …
- A57
- B65
- C64✓
- D98
Answer: These are square numbers: 4×4, 5×5, 6×6, 7×7. The next one is 8 × 8 = 64.