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Letter Series - Advanced Level: paired letters ADVANCED

Boost your speed and accuracy with this high difficulty set 📈 worksheet. Worksheet 25 of 30 presents 20 advanced-level letter series problems. Focus on paired letters while practicing consonant patterns, alphabet gaps, reverse patterns. Difficulty: complex scenarios and multi-step problems. Perfect for advanced test takers.

📝 Worksheet 25 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Advanced level

What you'll learn in this worksheet:
Your progress through Letter Series
Worksheet 25 of 30 (83% complete)

Question 1

Find the next letter in the series: G, K, M, ?
Letters at prime positions. Next prime position: 17 → Q.
primes, positions

Question 2

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

Question 3

Find the next letter in the series: P, R, T, V, ?
Each letter skips 1 letter(s). Next: X.
skip, pattern

Question 4

Find the next letter in the series: D, D, E, F, ?
Odd positions: +1, Even positions: +2. Next: H.
odd-even, mixed-step

Question 5

Find the next letter in the series: O, P, Q, R, S, ?
Consecutive alphabetical order. T comes after S.
consecutive, basic

Question 6

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

Question 7

Find the next letter in the series: K, N, Q, T, ?
Each letter skips 2 letter(s). Next: W.
skip, pattern

Question 8

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

Question 9

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

Question 10

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

Question 11

Find the next letter in the series: A, B, D, G, K, ?
Increasing jumps (+1, +2, +3...). Next: P.
increasing, jumps

Question 12

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

Question 13

Find the next letter in the series: B, B, C, D, D, F, ?
Odd positions: +1, Even positions: +2. Next: H.
odd-even, mixed-step

Question 14

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

Question 15

Find the next letter in the series: P, S, Q, T, R, ?
Alternating +3/-2. Next: U.
alternating, forward-backward

Question 16

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

Question 17

Find the next letter in the series: F, F, G, H, H, ?
Odd positions: +1, Even positions: +2. Next: I.
odd-even, mixed-step

Question 18

Find the next letter in the series: D, D, E, F, ?
Odd positions: +1, Even positions: +2. Next: H.
odd-even, mixed-step

Question 19

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

Question 20

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