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Mixed Series - Intermediate-Advanced Level: multi-rule patterns INTERMEDIATE-ADVANCED

Intensive strategic solving 🎯 drill: 20 intermediate-advanced-level mixed series questions. Worksheet 20 of 30 hones your multi-rule patterns abilities. Practice alternating series, complex sequences, multi-rule patterns under timed conditions. Best for advanced developing students seeking advanced concepts with increasing complexity.

📝 Worksheet 20 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Intermediate-advanced level

What you'll learn in this worksheet:
Your progress through Mixed Series
Worksheet 20 of 30 (66% complete)

Question 1

Find the next item in the series: 1, A, 4, B, 9, C, 16, D, ?
Alternating perfect squares (starting from 1²=1) and corresponding letters. Next is 25
squares, letters

Question 2

Find the next item in the series: 27, C, 64, D, 125, ?
Alternating perfect cubes (starting from 3³=27) and corresponding letters. Next is E
cubes, letters

Question 3

Find the next item in the series: 27, C, 64, D, 125, ?
Alternating perfect cubes (starting from 3³=27) and corresponding letters. Next is E
cubes, letters

Question 4

Find the next item in the series: A, 1, B, 4, C, 9, D, ?
Alternating perfect squares (starting from 1²=1) and corresponding letters. Next is 16
squares, letters

Question 5

Find the next item in the series: S, 43, T, 47, ?
Alternating prime numbers and consonants. Next is V
primes, consonants

Question 6

Find the next item in the series: 67, Q, 71, P, 73, ?
Alternating prime numbers and consonants. Next is N
primes, consonants

Question 7

Find the next item in the series: D, 64, E, 125, F, 216, ?
Alternating perfect cubes (starting from 4³=64) and corresponding letters. Next is G
cubes, letters

Question 8

Find the next item in the series: 27, C, 64, D, 125, E, ?
Alternating perfect cubes (starting from 3³=27) and corresponding letters. Next is 216
cubes, letters

Question 9

Find the next item in the series: 24, E, 120, I, 720, ?
Alternating factorial numbers (24, 120, ...) and vowels in forward order. Next is O
factorial, vowels

Question 10

Find the next item in the series: O, 16, Q, 18, S, 20, U, ?
Alternating between letters and their positions in alphabet (A=1, B=2, ...). Letters advance by 2 each time. Next is 22
alphabet, position

Question 11

Find the next item in the series: B, 8, C, 27, D, 64, E, ?
Alternating perfect cubes (starting from 2³=8) and corresponding letters. Next is 125
cubes, letters

Question 12

Find the next item in the series: 8, H, 16, P, 32, ?
Alternating powers of 2 (2^3=8, 2^4=16, ...) and corresponding letters. Next is F
power, exponential, letters

Question 13

Find the next item in the series: 6, G, 8, I, 10, ?
Alternating between letters and their positions in alphabet (A=1, B=2, ...). Letters advance by 1 each time. Next is K
alphabet, position

Question 14

Find the next item in the series: 1, G, 4, D, 7, A, ?
Alternating series: numbers follow increasing by 3 pattern, letters follow backward by 3 pattern. Next number is 10
alternating, basic

Question 15

Find the next item in the series: 24, E, 120, I, ?
Alternating factorial numbers (24, 120, ...) and vowels in forward order. Next is 720
factorial, vowels

Question 16

Find the next item in the series: 9, I, 27, A, 81, C, 243, ?
Alternating powers of 3 (3^2=9, 3^3=27, ...) and corresponding letters. Next is I
power, exponential, letters

Question 17

Find the next item in the series: 3, D, 12, M, 48, W, ?
Numbers multiply by 4, letters advance by 2. Next is 192
geometric, alphabet

Question 18

Find the next item in the series: 2, C, 6, G, 18, S, ?
Numbers multiply by 3, letters advance by 3. Next is 54
geometric, alphabet

Question 19

Find the next item in the series: C, 5, H, 13, U, ?
Fibonacci sequence (3, 5, ...) with alternating numbers/letters. Next Fibonacci number is 34, so answer is 34
fibonacci, letters

Question 20

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