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Alphanumeric Series - Beginner Level: letter-number sequences BEGINNER

Exam-focused quick revision round worksheet: 20 beginner-level alphanumeric series questions. Worksheet 3 of 30 targets letter-number sequences. Build proficiency in letter-number sequences, character patterns, alphanumeric patterns with detailed solutions. Ideal for entry-level competitive exam preparation.

📝 Worksheet 3 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner level

What you'll learn in this worksheet:
Your progress through Alphanumeric Series
Worksheet 3 of 30 (10% complete)

Question 1

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

Question 2

In the sequence: K4*, L5!, M6@, N7#, O8$, P9*, Q0!, which term is three places after the term with digit '2'?
Locate digit 2 in the sequence (position 2), then jump 3 places forward to position 5: O8$.
relative, position, series

Question 3

Find the next term in the series: B1, E4, H7, K10
This series alternates letters and numbers, each increasing by 3.
Last term: K10 → next: N13.
series, next term

Question 4

In the sequence: H4@, I5#, J6$, K7*, L8!, M9@, N0#, which term is three places after the term with digit '2'?
Locate digit 2 in the sequence (position 2), then jump 3 places forward to position 5: L8!.
relative, position, series

Question 5

Find the missing term in the series: I2, L3, O4, ?, U6
Each step adds 3 to letter and 1 to number.
The missing term comes fourth: R5.
series, missing term

Question 6

Find the missing term in the series: C2, E3, G4, ?, K6
Each step adds 2 to letter and 1 to number.
The missing term comes fourth: I5.
series, missing term

Question 7

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

Question 8

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 9

Find the next term if odd position letters advance by 3, even position numbers follow (i+2)*2: A4, F4, G8, L8, M12
Odd-indexed positions: letter advances by 3 from A, number = (position+2)×2 = 14 at position 5. Next term: P14.
embed_logic, series

Question 10

Find the next term in the series: B1, E4, H7, K10
This series alternates letters and numbers, each increasing by 3.
Last term: K10 → next: N13.
series, next term

Question 11

Find the next term: C, 9, E, 11, G, ?
Odd terms: letters +2; Even terms: numbers +2.
series, alternate

Question 12

Find the next term: L1, M4, N9, O16
Number is term position squared (1,4,9,16,25). Letter increases by one each time.
series, math transform

Question 13

Find the next term: I1, J4, K9, L16
Number is term position squared (1,4,9,16,25). Letter increases by one each time.
series, math transform

Question 14

Find the next group in the series: NO2021, PQ2223, RS2425
Groups: Each is 2 letters and 2 digits, increasing by 2 each time. Next is TU2627.
series, grouped

Question 15

Find the next term in the series: G1, J4, M7, P10
This series alternates letters and numbers, each increasing by 3.
Last term: P10 → next: S13.
series, next term

Question 16

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 17

Fill in the missing term: X11, V9, T7, ?, P3
Letters move back by 2; numbers -2 each time.
series, reverse

Question 18

Fill in the missing term: X11, V9, T7, ?, P3
Letters move back by 2; numbers -2 each time.
series, reverse

Question 19

Find the next term in the series: K1, M3, O5, Q7
This series alternates letters and numbers, each increasing by 2.
Last term: Q7 → next: S9.
series, next term

Question 20

Find the next term if odd position letters advance by 3, even position numbers follow (i+2)*2: N4, S4, T8, Y8, Z12
Odd-indexed positions: letter advances by 3 from N, number = (position+2)×2 = 14 at position 5. Next term: C14.
embed_logic, series
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