Letter & Number Sequences
43 free practice questions with explanations
PassNova has 43 free 11+ Verbal Reasoning practice questions on Letter & Number 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.
Letter & Number Sequences: example questions & answers
40 worked examples with answers and explanations below. Practise all 43 Letter & Number Sequences questions free in the browser, with instant feedback on every answer.
What comes next in the sequence: AB, CD, EF, GH, …?
- AHI
- BIJ✓
- CJK
- DGI
Answer: Each pair uses the next two letters of the alphabet, so after GH comes IJ.
What comes next: AZ, BY, CX, …?
- ADW✓
- BDV
- CEW
- DDX
Answer: The first letter goes A, B, C, D… and the second goes Z, Y, X, W… so the next pair is DW.
What is the next number: 3, 6, 12, 24, …?
- A48✓
- B30
- C36
- D26
Answer: Each number doubles, so 24 × 2 = 48.
What is the next number: 2, 5, 10, 17, …?
- A24
- B22
- C26✓
- D34
Answer: The gaps increase by odd numbers (+3, +5, +7…), so 17 + 9 = 26.
What comes next: 1, 4, 9, 16, …?
- A20
- B25✓
- C24
- D32
Answer: These are square numbers (1², 2², 3², 4²), so the next is 5² = 25.
What comes next: Z, X, V, T, …?
- AS
- BU
- CR✓
- DQ
Answer: The letters go back two each time (Z, X, V, T…), so the next is R.
What number comes next: 100, 90, 81, 73, …?
- A64
- B65
- C70
- D66✓
Answer: The differences decrease by one each time (−10, −9, −8, −7), so 73 − 7 = 66.
What comes next? A, C, E, G, I, ?
- AK✓
- BL
- CJ
- DI
Answer: Each letter moves 2 places forward through the alphabet, so after I comes K.
What comes next? B, D, F, H, J, ?
- AM
- BL✓
- CK
- DJ
Answer: Each letter moves 2 places forward through the alphabet, so after J comes L.
What comes next? Z, X, V, T, R, ?
- AQ
- BP✓
- CO
- DR
Answer: Each letter moves 2 places back through the alphabet, so after R comes P.
What comes next? A, D, G, J, M, ?
- AP✓
- BQ
- CO
- DM
Answer: Each letter moves 3 places forward through the alphabet, so after M comes P.
What comes next? E, I, M, Q, U, ?
- AZ
- BX
- CY✓
- DU
Answer: Each letter moves 4 places forward through the alphabet, so after U comes Y.
What comes next? M, N, O, P, Q, ?
- AR✓
- BS
- CQ
- DT
Answer: Each letter moves 1 place forward through the alphabet, so after Q comes R.
What comes next? U, R, O, L, I, ?
- AG
- BE
- CI
- DF✓
Answer: Each letter moves 3 places back through the alphabet, so after I comes F.
What comes next? C, H, M, R, W, ?
- AC
- BA
- CW
- DB✓
Answer: Each letter moves 5 places forward through the alphabet, so after W comes B.
What comes next? H, J, L, N, P, ?
- AS
- BQ
- CR✓
- DP
Answer: Each letter moves 2 places forward through the alphabet, so after P comes R.
What comes next? R, N, J, F, B, ?
- AY
- BW
- CX✓
- DB
Answer: Each letter moves 4 places back through the alphabet, so after B comes X.
What comes next? AZ, BY, CX, DW, ?
- AFU
- BEW
- CDV
- DEV✓
Answer: Treat the two letters separately. The first moves 1 place forward each time and the second moves 1 place back, so the pair after DW is EV.
What comes next? AZ, CX, EV, GT, ?
- AKP
- BIR✓
- CIT
- DGR
Answer: Treat the two letters separately. The first moves 2 places forward each time and the second moves 2 places back, so the pair after GT is IR.
What comes next? CU, DT, ES, FR, ?
- AHP
- BGR
- CFQ
- DGQ✓
Answer: Treat the two letters separately. The first moves 1 place forward each time and the second moves 1 place back, so the pair after FR is GQ.
What comes next? FW, IT, LQ, ON, ?
- AUH
- BRK✓
- CRN
- DOK
Answer: Treat the two letters separately. The first moves 3 places forward each time and the second moves 3 places back, so the pair after ON is RK.
What comes next? BY, DX, FW, HV, ?
- ALT
- BJV
- CJU✓
- DHU
Answer: Treat the two letters separately. The first moves 2 places forward each time and the second moves 1 place back, so the pair after HV is JU.
What comes next? AM, BN, CO, DP, ?
- AFR
- BEQ✓
- CEP
- DDQ
Answer: Treat the two letters separately. The first moves 1 place forward each time and the second moves 1 place forward, so the pair after DP is EQ.
What comes next? 3, 7, 11, 15, 19, ?
- A27
- B22
- C19
- D23✓
Answer: Each number goes up by 4, so after 19 comes 23.
What comes next? 7, 13, 19, 25, 31, ?
- A43
- B37✓
- C36
- D31
Answer: Each number goes up by 6, so after 31 comes 37.
What comes next? 60, 53, 46, 39, 32, ?
- A18
- B24
- C32
- D25✓
Answer: Each number goes down by 7, so after 32 comes 25.
What comes next? 5, 14, 23, 32, 41, ?
- A59
- B50✓
- C49
- D41
Answer: Each number goes up by 9, so after 41 comes 50.
What comes next? 100, 88, 76, 64, 52, ?
- A28
- B40✓
- C39
- D52
Answer: Each number goes down by 12, so after 52 comes 40.
What comes next? 2, 5, 8, 11, 14, ?
- A20
- B16
- C17✓
- D14
Answer: Each number goes up by 3, so after 14 comes 17.
What comes next? 1, 2, 4, 8, 16, ?
- A18
- B32✓
- C34
- D48
Answer: Each number is the one before multiplied by 2, so 16 × 2 = 32.
What comes next? 2, 6, 18, 54, 162, ?
- A486✓
- B165
- C489
- D648
Answer: Each number is the one before multiplied by 3, so 162 × 3 = 486.
What comes next? 1, 3, 9, 27, 81, ?
- A84
- B246
- C324
- D243✓
Answer: Each number is the one before multiplied by 3, so 81 × 3 = 243.
What comes next? 3, 6, 12, 24, 48, ?
- A50
- B96✓
- C98
- D144
Answer: Each number is the one before multiplied by 2, so 48 × 2 = 96.
Which word comes FIRST in alphabetical order?
- Amarble✓
- Bmarket
- Cmarsh
- Dmargin
Answer: Compare the words letter by letter. 'marble' comes before the others because of the letter at the first point where they differ.
Which word comes FIRST in alphabetical order?
- Aclatter✓
- Bclever
- Cclimb
- Dclock
Answer: Compare the words letter by letter. 'clatter' comes before the others because of the letter at the first point where they differ.
Which word comes FIRST in alphabetical order?
- Astream
- Bstone
- Cstitch
- Dsteady✓
Answer: Compare the words letter by letter. 'steady' comes before the others because of the letter at the first point where they differ.
Which word comes FIRST in alphabetical order?
- Apride
- Bprince
- Cprawn✓
- Dprove
Answer: Compare the words letter by letter. 'prawn' comes before the others because of the letter at the first point where they differ.
Which word comes FIRST in alphabetical order?
- Ablend
- Bblush
- Cbliss
- Dblack✓
Answer: Compare the words letter by letter. 'black' comes before the others because of the letter at the first point where they differ.
Which word comes FIRST in alphabetical order?
- Afragile✓
- Bfront
- Cfrost
- Dfresh
Answer: Compare the words letter by letter. 'fragile' comes before the others because of the letter at the first point where they differ.
Which word comes FIRST in alphabetical order?
- Ashadow
- Bshabby✓
- Cshallow
- Dsharp
Answer: Compare the words letter by letter. 'shabby' comes before the others because of the letter at the first point where they differ.