Alphanumeric Series - Beginner-Intermediate Level: pattern recognition BEGINNER-INTERMEDIATE

Comprehensive race against clock worksheet covering 20 beginner-intermediate-level alphanumeric series problems. Worksheet 8 of 30 emphasizes pattern recognition. Master alphanumeric logic, mixed series, letter-number sequences through detailed explanations. Difficulty: building on fundamentals with moderate challenges. Tailored for developing preparation.

📝 Worksheet 8 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner-intermediate level

What you'll learn in this worksheet:

Analyze complex alphanumeric logic patterns systematically
Develop analytical thinking for mixed series problems
Learn step-by-step race against clock approaches
Understand the logic behind letter-number sequences solutions
Apply critical thinking to pattern recognition challenges

Your progress through Alphanumeric Series

Worksheet 8 of 30 (26% complete)

Question 1

Find the next group in the series: CD1920, DE2122, FG2425

Groups: Alternating steps (+2,+1,+2,+1 for letters; +3,+2,+3,+2 for numbers). Next is GH2627.

series, grouped

Question 2

What comes next in the hybrid series: H6, M12, W24, N48

Letters move by steps: 2, 5, 10, 17, numbers double each time. Next step +26 for letter, ×2 for number.

series, hybrid

Question 3

Find the term that does NOT follow the series: D2, G5, J8, M11, R14

The series follows +3 for both letter and number. Position 5: should be P, but given term is R (R14).

series, find wrong

Question 4

Find the next term: E, 5, H, 8, K, ?

Odd terms: letters +3; Even terms: numbers +3.

series, alternate

Question 5

Find the next palindromic term in the pattern: UVU, VWV, WXW, XYX

Each term is a 3-letter palindrome, with both outer and middle letters moving forward by 1 each time.

series, palindrome

Question 6

Find the next term in the series: B1, D3, F5, H7

This series alternates letters and numbers, each increasing by 2.
Last term: H7 → next: J9.

series, next term

Question 7

Find the next palindromic term in the pattern: BCB, CDC, DED, EFE

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 in the series: C1, E3, G5, I7

This series alternates letters and numbers, each increasing by 2.
Last term: I7 → next: K9.

series, next term

Question 9

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 10

What comes next in the hybrid series: C6, E12, I24, M48

Letters move by steps: 2, 2, 4, 4, numbers double each time. Next step +6 for letter, ×2 for number.

series, hybrid

Question 11

What comes next in the series: B2, C4, E8, G16

Letters advance by increasing steps: 1, 1, 2, 2; numbers double each time.

series, jump

Question 12

Find the next term if odd position letters advance by 3, even position numbers follow (i+2)*2: O4, T4, U8, Z8, A12

Odd-indexed positions: letter advances by 3 from O, number = (position+2)×2 = 14 at position 5. Next term: D14.

embed_logic, series

Question 13

Find the missing term in the series: D2, F3, H4, ?, L6

Each step adds 2 to letter and 1 to number.
The missing term comes fourth: J5.

series, missing term

Question 14

Find the next palindromic term in the pattern: STS, TUT, UVU, VWV

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 missing term in the series: J2, M4, P6, ?, V10

Each step adds 3 to letter and 2 to number.
The missing term comes fourth: S8.

series, missing term

Question 16

Find the next term in the series: M1, N3, O6, P10

Pattern: Letter increases by 1 each position, Number is the triangular number (1, 3, 6, 10, 15...).
Position 5: Letter = Q, Number = 15 → Q15

series, position

Question 17

What comes next: B1, E4, H7, K10 ?

Letters move +3, numbers +3. Continue pattern: next is N13.

series, pattern

Question 18

Find the next palindromic term in the pattern: UVU, VWV, WXW, XYX

Each term is a 3-letter palindrome, with both outer and middle letters moving forward by 1 each time.

series, palindrome

Question 19

Find the next term: O1, P4, Q9, R16

Number is term position squared (1,4,9,16,25). Letter increases by one each time.

series, math transform

Question 20

Fill in the missing term: X11, V9, T7, ?, P3

Letters move back by 2; numbers -2 each time.

series, reverse

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