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Letter Series - Intermediate Level: jumbled series INTERMEDIATE

Boost your speed and accuracy with this adaptive style 📈 worksheet. Worksheet 15 of 30 presents 20 intermediate-level letter series problems. Focus on jumbled series while practicing alphabet patterns, letter sequences, vowel series. Difficulty: moderate complexity with mixed patterns. Perfect for mid-level test takers.

📝 Worksheet 15 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Intermediate level

What you'll learn in this worksheet:
Your progress through Letter Series
Worksheet 15 of 30 (50% complete)

Question 1

Find the next letter in the series: X, W, V, U, ?
Reverse alphabetical order. Next: T.
reverse, backward

Question 2

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

Question 3

Find the next letter in the series: B, C, E, H, ?
Increasing jumps (+1, +2, +3...). Next: L.
increasing, jumps

Question 4

Find the next letter in the series: A, D, G, J, M, ?
Every 3th letter. Next: P.
position, nth-letter

Question 5

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

Question 6

Find the next letter in the mirror series: C, D, E, F, ?
Mirror image (A↔Z, B↔Y...). Mirror of next letter: T.
mirror, symmetry

Question 7

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

Question 8

Find the next letter in the series: M, Q, S, ?
Letters at prime positions. Next prime position: 23 → W.
primes, positions

Question 9

Find the next letter in the mirror series: D, E, F, ?
Mirror image (A↔Z, B↔Y...). Mirror of next letter: T.
mirror, symmetry

Question 10

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

Question 11

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

Question 12

Find the next letter in the series: G, H, J, K, ?
Consonant sequence. Next consonant: L.
consonants, skip-vowels

Question 13

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

Question 14

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

Question 15

Find the next letter in the series: T, V, W, X, Y, ?
Consonant sequence. Next consonant: Z.
consonants, skip-vowels

Question 16

Find the next letter in the series: S, T, V, W, X, ?
Consonant sequence. Next consonant: Y.
consonants, skip-vowels

Question 17

Find the next letter in the series: A, E, I, M, Q, ?
Each letter skips 3 letter(s). Next: U.
skip, pattern

Question 18

Find the next letter in the series: G, I, F, H, E, G, D, ?
Alternating +2/-3. Next: F.
alternating, forward-backward

Question 19

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

Question 20

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