Letter Sequences
6 free practice questions with explanations
PassNova has 6 free 11+ Entrance Exam practice questions on Letter 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 Sequences: example questions & answers
6 worked examples with answers and explanations below. Practise them in the browser with instant feedback on every answer.
What comes next? A, C, E, G, I, _?_
- AK✓
- BM
- CL
- DJ
Answer: The sequence uses every other letter: A, C, E, G, I, K. The next letter is K.
What comes next? Z, X, V, T, R, _?_
- AS
- BO
- CQ
- DP✓
Answer: This sequence goes backwards by 2 letters each time: Z, X, V, T, R, P.
What comes next? B, D, F, H, J, _?_
- AL✓
- BK
- CM
- DN
Answer: This sequence increases by 2 letters each time: B(2), D(4), F(6), H(8), J(10), L(12).
What comes next? A, B, D, G, K, _?_
- AQ
- BP✓
- CO
- DR
Answer: The gaps increase: A→B (+1), B→D (+2), D→G (+3), G→K (+4), K→P (+5). Answer is P.
What comes next? M, N, P, S, W, _?_
- AZ
- BB✓
- CA
- DC
Answer: The gaps grow by one each time: M to N is +1, N to P is +2, P to S is +3, S to W is +4, so the next gap is +5. Counting five letters on from W (X, Y, Z, A, B) wraps round the alphabet and lands on B.
What comes next? AZ, BY, CX, DW, EV, _?_
- AFS
- BFT
- CFR
- DFU✓
Answer: First letters increase: A, B, C, D, E, F. Second letters decrease: Z, Y, X, W, V, U. Answer is FU.