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Letter Series - Intermediate-Advanced Level: skip sequences INTERMEDIATE-ADVANCED

This fundamentals focus worksheet contains 20 intermediate-advanced-level letter series problems. Worksheet 21 of 30 focuses on skip sequences. Practice skip sequences, letter shifting, positional series with our step-by-step solutions. Difficulty: advanced concepts with increasing complexity. Recommended for advanced developing learners.

📝 Worksheet 21 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Intermediate-advanced level

What you'll learn in this worksheet:
Your progress through Letter Series
Worksheet 21 of 30 (70% complete)

Question 1

Find the next letter in the series: I, O, U, ?
Vowel sequence. Next vowel after U is A.
vowels, circular

Question 2

Find the next letter in the series: K, L, M, N, P, ?
Consonant sequence. Next consonant: Q.
consonants, skip-vowels

Question 3

Find the next letter in the series: H, I, J, K, L, ?
Consecutive alphabetical order. M comes after L.
squares, positions

Question 4

Find the next letter in the series: K, M, O, Q, S, ?
Each letter skips 1 letter(s). Next: U.
skip, pattern

Question 5

Find the next letter in the series: I, I, J, K, K, ?
Odd positions: +1, Even positions: +2. Next: L.
odd-even, mixed-step

Question 6

Find the next letter in the mirror series: K, L, M, N, O, ?
Mirror image (A↔Z, B↔Y...). Mirror of next letter: K.
mirror, symmetry

Question 7

Find the next letter in the series: V, U, T, S, R, ?
Reverse alphabetical order. Next: Q.
reverse, backward

Question 8

Find the next letter in the series: B, C, E, G, ?
Letters at prime positions. Next prime position: 11 → K.
primes, positions

Question 9

Find the next letter in the series: L, K, J, I, H, ?
Reverse alphabetical order. Next: G.
reverse, backward

Question 10

Find the next letter in the series: Q, P, O, N, M, L, ?
Reverse alphabetical order. Next: K.
reverse, backward

Question 11

Find the next letter in the series: D, E, F, G, H, I, ?
Consecutive alphabetical order. J comes after I.
consecutive, basic

Question 12

Find the next letter in the series: C, E, G, ?
Letters at prime positions. Next prime position: 11 → K.
primes, positions

Question 13

Find the next letter in the mirror series: G, H, I, J, ?
Mirror image (A↔Z, B↔Y...). Mirror of next letter: P.
mirror, symmetry

Question 14

Find the next letter in the series: B, A, C, C, D, E, ?
Two interleaved sequences. Next: G.
interleaved, double

Question 15

Find the next letter in the series: C, E, H, ?
Letters at Fibonacci positions. Next: M.
fibonacci, positions

Question 16

Find the next letter in the series: G, K, O, S, W, ?
Each letter skips 3 letter(s). Next: A.
skip, pattern

Question 17

Find the next letter in the series: H, I, K, N, ?
Increasing jumps (+1, +2, +3...). Next: R.
increasing, jumps

Question 18

Find the next letter in the series: A, D, G, J, M, ?
Each letter skips 2 letter(s). Next: P.
skip, pattern

Question 19

Find the next letter in the series: A, B, C, D, E, F, ?
Consecutive alphabetical order. G comes after F.
squares, positions

Question 20

Find the next letter in the series: T, U, V, W, X, ?
Consecutive alphabetical order. Y comes after X.
consecutive, basic
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