🔤🔢 Alphanumeric Series - Formula Sheet

🎯 Alphabet Positions

Forward Position

A=1, B=2, C=3, ..., Z=26

Backward Position

Z=1, Y=2, X=3, ..., A=26

Opposite Letters

A↔Z, B↔Y, C↔X, ..., M↔N
Sum of opposite positions = 27

📊 Pattern Types

Arithmetic Progression

Add/Subtract constant: +2, +3, +1, +2, +3, +1...

Geometric Progression

Multiply/Divide: ×2, ×3, ×2, ×3...

Alternating Patterns

+2, -1, +3, -2, +4, -3...

Position-based

Square positions: 1², 2², 3², 4²...
Cube positions: 1³, 2³, 3³, 3³...

⚡ Solving Steps

1. Separate: Letters and numbers
2. Analyze: Each sequence separately
3. Combine: Find the relationship
4. Verify: Check with complete sequence

🔢 Number Patterns

Common Series

Even: 2, 4, 6, 8, 10...
Odd: 1, 3, 5, 7, 9...
Prime: 2, 3, 5, 7, 11...
Fibonacci: 0, 1, 1, 2, 3, 5...
Square: 1, 4, 9, 16, 25...
Cube: 1, 8, 27, 64, 125...

Letter Patterns

Skip Letters

A, C, E, G... (+2)
A, D, G, J... (+3)

Vowel/Consonant

Vowels: A, E, I, O, U
Consonants: B, C, D, F, G...

Master Alphanumeric Series - Separate, analyze, combine! 🔤🔢