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Alphanumeric Series - Advanced Level: pattern recognition ADVANCED

Exam-focused holistic practice ★ worksheet: 20 advanced-level alphanumeric series questions. Worksheet 23 of 30 targets pattern recognition. Build proficiency in mixed series, letter-number sequences, character patterns with detailed solutions. Ideal for advanced competitive exam preparation.

📝 Worksheet 23 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Advanced level

What you'll learn in this worksheet:
Your progress through Alphanumeric Series
Worksheet 23 of 30 (76% complete)

Question 1

Find the next term in the series: G3, H6, I9, J36
Pattern: Letter increases by 1 each position. Numbers follow: start 2, then +1=3, ×2=6, +3=9, ×4=36, +5=41...
Next: Letter = K, Applying +5 to 36 = 41 → K41
series, position

Question 2

Find the next group in the series: PQ1516, ST1819, XY2526
Groups: Steps follow prime numbers (2,3,5,7). Next is EF3637.
series, grouped

Question 3

Fill in the missing term: Y11, W9, U7, ?, Q3
Letters move back by 2; numbers -2 each time.
series, reverse

Question 4

Find the next term in the series: N1, P3, R5, T7
This series alternates letters and numbers, each increasing by 2.
Last term: T7 → next: V9.
series, next term

Question 5

What is the next term in the sequence: F4, H7, J0, L3, N6?
Letters advance by 2 (starting F), digits advance by 3 (mod 10).
multi_skip, double_encode

Question 6

Find the next term: Q1, R4, S9, T16
Number is term position squared (1,4,9,16,25). Letter increases by one each time.
series, math transform

Question 7

In the sequence: H2$, I3*, J4!, K5@, L6#, M7$, N8*, which term is three places after the term with digit '2'?
Locate digit 2 in the sequence (position 1), then jump 3 places forward to position 4: K5@.
relative, position, series

Question 8

Find the next term: O, 5, Q, 7, S, ?
Odd terms: letters +2; Even terms: numbers +2.
series, alternate

Question 9

Find the next term in the series: A0!, C3@, E6#, G9$, I2%
Letters advance by +2 (mod 26), digits advance by +3 (mod 10), symbols cycle through ['!', '@', '#', '$', '%']. Next term: letter=K, digit=5, symbol=^ → K5^.
symbol, group, series

Question 10

What is the next term in the sequence: D6, F9, H2, J5, L8?
Letters advance by 2 (starting D), digits advance by 3 (mod 10).
multi_skip, double_encode

Question 11

Find the next term in the series: A0!, C3@, E6#, G9$, I2%
Letters advance by +2 (mod 26), digits advance by +3 (mod 10), symbols cycle through ['!', '@', '#', '$', '%']. Next term: letter=K, digit=5, symbol=^ → K5^.
symbol, group, series

Question 12

Find the next term in the series: N1, Q4, T7, W10
This series alternates letters and numbers, each increasing by 3.
Last term: W10 → next: Z13.
series, next term

Question 13

What comes next in the series: C2, F4, K8, R16
Letters advance by increasing steps: 1, 3, 5, 7; numbers double each time.
series, jump

Question 14

Find the next palindromic term in the pattern: KLK, LML, MNM, NON
Each term is a 3-letter palindrome, with both outer and middle letters moving forward by 1 each time.
series, palindrome

Question 15

Find the next term if odd position letters advance by 3, even position numbers follow (i+2)*2: K4, P4, Q8, V8, W12
Odd-indexed positions: letter advances by 3 from K, number = (position+2)×2 = 14 at position 5. Next term: Z14.
embed_logic, series

Question 16

What is the next term in the sequence: C2, E5, G8, I1, K4?
Letters advance by 2 (starting C), digits advance by 3 (mod 10).
multi_skip, double_encode

Question 17

Find the missing term in the series: D2, G4, J6, ?, P10
Each step adds 3 to letter and 2 to number.
The missing term comes fourth: M8.
series, missing term

Question 18

Find the next term in the series: N1, O3, P6, Q10
Pattern: Letter increases by 1 each position, Number is the triangular number (1, 3, 6, 10, 15...).
Position 5: Letter = R, Number = 15 → R15
series, position

Question 19

Find the missing term in the series: F2, H4, J6, ?, N10
Each step adds 2 to letter and 2 to number.
The missing term comes fourth: L8.
series, missing term

Question 20

Fill in the missing term: U11, S9, Q7, ?, M3
Letters move back by 2; numbers -2 each time.
series, reverse
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