Mixed Series - Advanced Level: pattern recognition ADVANCED

Master mixed series concepts through this hard problem set practice set. Worksheet 26 of 30 contains 20 advanced-level problems. Deep dive into pattern recognition while learning pattern recognition, alternating series, complex sequences. 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 Mixed Series
Worksheet 26 of 30 (86% complete)

Question 1

Find the next item in the series: A, 1, B, 3, ?
Fibonacci sequence (1, 1, ...) with alternating numbers/letters. Next Fibonacci number is 5, so answer is E

Question 2

Find the next item in the series: 12, M, 14, O, 16, ?
Alternating between letters and their positions in alphabet (A=1, B=2, ...). Letters advance by 3 each time. Next is Q

Question 3

Find the next item in the series: 67, G, 71, F, 73, D, ?
Alternating prime numbers and consonants. Next is 79

Question 4

Find the next item in the series: 8, U, 12, O, 16, I, ?
Numbers increase by 4, vowels reverse A-E-I-O-U pattern. Next is 20

Question 5

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

Question 6

Find the next item in the series: J, 11, L, 13, N, 15, ?
Alternating between letters and their positions in alphabet (A=1, B=2, ...). Letters advance by 1 each time. Next is P

Question 7

Find the next item in the series: 1, E, 2, I, ?
Alternating factorial numbers (1, 2, ...) and vowels in forward order. Next is 6

Question 8

Find the next item in the series: 2, A, 4, E, 6, I, ?
Numbers increase by 2, vowels cycle through A-E-I-O-U pattern. Next is 8

Question 9

Find the next item in the series: 36, O, 49, M, 64, K, ?
Alternating series: numbers follow squares of 6, 7, ... pattern, letters follow backward by 2 pattern. Next number is 81

Question 10

Find the next item in the series: 3, O, 6, R, 12, U, ?
Numbers multiply by 2, letters advance by 3. Next is 24

Question 11

Find the next item in the series: M, 14, O, 16, Q, ?
Alternating between letters and their positions in alphabet (A=1, B=2, ...). Letters advance by 3 each time. Next is 18

Question 12

Find the next item in the series: 2, E, 4, H, 8, K, ?
Alternating series: numbers follow multiplying by 2 pattern, letters follow forward by 3 pattern. Next number is 16

Question 13

Find the next item in the series: 5, S, 7, R, 11, Q, ?
Alternating prime numbers and consonants. Next is 13

Question 14

Find the next item in the series: 7, L, 11, M, 13, N, ?
Alternating prime numbers and consonants. Next is 17

Question 15

Find the next item in the series: 16, P, 64, L, 256, ?
Alternating powers of 4 (4^2=16, 4^3=64, ...) and corresponding letters. Next is V

Question 16

Find the next item in the series: 4, D, 16, P, 64, L, ?
Alternating powers of 4 (4^1=4, 4^2=16, ...) and corresponding letters. Next is 256

Question 17

Find the next item in the series: 71, S, 73, R, 79, Q, ?
Alternating prime numbers and consonants. Next is 83

Question 18

Find the next item in the series: A, 7, I, 9, U, 11, ?
Numbers increase by 2, vowels skip pattern A-E-I-O-U pattern. Next is E

Question 19

Find the next item in the series: 2, C, 5, H, 13, U, ?
Fibonacci sequence (2, 3, ...) with alternating numbers/letters. Next Fibonacci number is 34, so answer is 34

Question 20

Find the next item in the series: A, 4, I, 7, U, 10, ?
Numbers increase by 3, vowels skip pattern A-E-I-O-U pattern. Next is E
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