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Alphanumeric Series - Advanced Level: alternating letters-numbers ADVANCED

Master alphanumeric series concepts through this hard problem set practice set. Worksheet 26 of 30 contains 20 advanced-level problems. Deep dive into alternating letters-numbers while learning alphanumeric patterns, mixed character logic, series completion. Recommended for advanced learners aiming for complex scenarios and multi-step problems.

📝 Worksheet 26 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Advanced level

What you'll learn in this worksheet:
Your progress through Alphanumeric Series
Worksheet 26 of 30 (86% complete)

Question 1

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 2

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 3

What comes next: E1, H4, K7, N10 ?
Letters move +3, numbers +3. Continue pattern: next is Q13.
series, pattern

Question 4

What comes next in the series: D3, E6, G12, I24
Letters advance by increasing steps: 1, 1, 2, 2; numbers double each time.
series, jump

Question 5

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

Question 6

Find the missing term in the series: J2, M3, P4, ?, V6
Each step adds 3 to letter and 1 to number.
The missing term comes fourth: S5.
series, missing term

Question 7

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 8

Find the next palindromic term in the pattern: RSR, STS, TUT, UVU
Each term is a 3-letter palindrome, with both outer and middle letters moving forward by 1 each time.
series, palindrome

Question 9

In the sequence: G1$, H2*, I3!, J4@, K5#, L6$, M7*, 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: K5#.
relative, position, series

Question 10

Find the next palindromic term in the pattern: PQP, QRQ, RSR, STS
Each term is a 3-letter palindrome, with both outer and middle letters moving forward by 1 each time.
series, palindrome

Question 11

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

Question 12

In sequence: A7, C6, E5, G4, I3, K2, M1, what is the term 2 positions before the 6th term?
Reference required position backward.
reverse, crossref, series

Question 13

Find the next term in the series: C1, F4, I7, L10
This series alternates letters and numbers, each increasing by 3.
Last term: L10 → next: O13.
series, next term

Question 14

What comes next in the series: D2, I4, P8, Y16
Letters advance by increasing steps: 3, 5, 7, 9; numbers double each time.
series, jump

Question 15

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 16

In sequence: A7, C6, E5, G4, I3, K2, M1, what is the term 2 positions before the 4th term?
Reference required position backward.
reverse, crossref, series

Question 17

What comes next in the series: C2, D4, F8, I16
Letters advance by increasing steps: 1, 1, 2, 3; numbers double each time.
series, jump

Question 18

Find the next term in the series: P1, R3, T5, V7
This series alternates letters and numbers, each increasing by 2.
Last term: V7 → next: X9.
series, next term

Question 19

Find the next term in the series: F1, I4, L7, O10
This series alternates letters and numbers, each increasing by 3.
Last term: O10 → next: R13.
series, next term

Question 20

What comes next: H1, K4, N7, Q10 ?
Letters move +3, numbers +3. Continue pattern: next is T13.
series, pattern
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