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Mixed Series - Beginner-Intermediate Level: symbol-number mix BEGINNER-INTERMEDIATE

Ready to master mixed series? This benchmark test features 20 beginner-intermediate-level challenges. Worksheet 12 of 30 sharpens your symbol-number mix skills. Master pattern recognition, alternating series, complex sequences through guided practice. Perfect for developing test preparation.

📝 Worksheet 12 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner-intermediate level

What you'll learn in this worksheet:
Your progress through Mixed Series
Worksheet 12 of 30 (40% complete)

Question 1

Find the next item in the series: 25, B, 36, C, 49, D, 64, ?
Two independent patterns: numbers follow square progression, letters follow consonant-cycle pattern. Next letter is F
double, interleaved

Question 2

Find the next item in the series: B, 5, E, 20, H, 80, ?
Numbers multiply by 4, letters advance by 3. Next is K
geometric, alphabet

Question 3

Find the next item in the series: C, 23, D, 29, F, ?
Alternating prime numbers and consonants. Next is 31
primes, consonants

Question 4

Find the next item in the series: 5, H, 13, U, 34, ?
Fibonacci sequence (5, 8, ...) with alternating numbers/letters. Next Fibonacci number is 55, so answer is C
fibonacci, letters

Question 5

Find the next item in the series: 7, A, 11, E, 15, I, ?
Numbers increase by 4, vowels cycle through A-E-I-O-U pattern. Next is 19
arithmetic, vowels

Question 6

Find the next item in the series: 2, B, 4, C, 4, D, 6, ?
Two independent patterns: numbers follow fibonacci progression, letters follow consonant-cycle pattern. Next letter is F
double, interleaved

Question 7

Find the next item in the series: I, 9, A, 27, C, ?
Alternating powers of 3 (3^2=9, 3^3=27, ...) and corresponding letters. Next is 81
power, exponential, letters

Question 8

Find the next item in the series: D, 4, P, 16, L, ?
Alternating powers of 4 (4^1=4, 4^2=16, ...) and corresponding letters. Next is 64
power, exponential, letters

Question 9

Find the next item in the series: 4, Q, 12, R, 36, S, ?
Alternating series: numbers follow multiplying by 3 pattern, letters follow forward by 1 pattern. Next number is 108
alternating, basic

Question 10

Find the next item in the series: 3, R, 9, Q, 27, P, ?
Alternating series: numbers follow multiplying by 3 pattern, letters follow backward by 1 pattern. Next number is 81
alternating, basic

Question 11

Find the next item in the series: 64, L, 256, V, 1024, ?
Alternating powers of 4 (4^3=64, 4^4=256, ...) and corresponding letters. Next is J
power, exponential, letters

Question 12

Find the next item in the series: 5, S, 7, T, 11, ?
Alternating prime numbers and consonants. Next is V
primes, consonants

Question 13

Find the next item in the series: 64, L, 256, V, 1024, ?
Alternating powers of 4 (4^3=64, 4^4=256, ...) and corresponding letters. Next is J
power, exponential, letters

Question 14

Find the next item in the series: U, 8, O, 13, I, 18, ?
Numbers increase by 5, vowels reverse A-E-I-O-U pattern. Next is E
arithmetic, vowels

Question 15

Find the next item in the series: A, 1, B, 4, C, ?
Alternating perfect squares (starting from 1²=1) and corresponding letters. Next is 9
squares, letters

Question 16

Find the next item in the series: 2, N, 6, K, 18, H, ?
Alternating series: numbers follow multiplying by 3 pattern, letters follow backward by 3 pattern. Next number is 54
alternating, basic

Question 17

Find the next item in the series: 8, M, 21, H, 55, ?
Fibonacci sequence (8, 13, ...) with alternating numbers/letters. Next Fibonacci number is 89, so answer is K
fibonacci, letters

Question 18

Find the next item in the series: A, 2, C, 4, E, 6, ?
Alternating between letters and their positions in alphabet (A=1, B=2, ...). Letters advance by 3 each time. Next is G
alphabet, position

Question 19

Find the next item in the series: 4, B, 9, C, 16, ?
Alternating perfect squares (starting from 2²=4) and corresponding letters. Next is D
squares, letters

Question 20

Find the next item in the series: 3, A, 7, E, 11, I, 15, ?
Two independent patterns: numbers follow arithmetic progression, letters follow vowel-cycle pattern. Next letter is O
double, interleaved
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