Alpha Numeric Reasoning
Puzzles combining letters and numbers, codes and series finding
Learning Content
🔤 Fundamentals of Numerology
Combination puzzles of letters and numbers!
1️⃣ Alphanumeric values
| A=1 | B=2 | C=3 | D=4 | E=5 | F=6 | G=7 |
| H=8 | I=9 | J=10 | K=11 | L=12 | M=13 | N=14 |
| O=15 | P=16 | Q = 17 | R=18 | S = 19 | T=20 | U=21 |
| V=22 | W=23 | X=24 | Y=25 | Z=26 | - | |
2️⃣ Opposite characters
A↔Z, B↔Y, C↔X, D↔W, E↔V, F↔U, G↔T, H↔S, I↔R, J↔Q, K↔P, L↔O, M↔N
3️⃣ puzzle types
| Type | Explanation |
|---|---|
| Coding | Convert character to number/other character |
| Series | Finding the next letter/number |
| Find a place | nth character from left/right |
| count | Vowel/Consonant Counting |
| arrangement | Sorting letters |
4️⃣ Index Types
- +n code:Each character is preceded by n places
- -n code:Each character follows n places
- Counter Code:Like A→Z, B→Y
- Number Code:Like A→1, B→2
5️⃣ Vowels & Consonants
Consonants:Remaining 21 letters
📐 Number Alphabet Formulas
🔢 Character Spacing Formulas
| question | formula |
|---|---|
| nth from left | nth character |
| nth from right | (26-n+1)th character |
| opposite letter | 27 - character value |
🔤 symbolic formulas
| Code | formula | example |
|---|---|---|
| +2 | Character + 2 | A→C, B→D |
| -2 | Writing – 2 | C→A, D→B |
| Opposite | 27 - value | A→Z, B→Y |
| ×2 | Value × 2 | A→2, B→4 |
📊 Row styles
- +1 Style:A, B, C, D, E...
- +2 Style:A, C, E, G, I...
- +3 Style:A, D, G, J, M...
- Transition Style:+1, +2, +3... or +1, +3, +5...
🎯 Important reminder
Opposite Pairs:A-Z, B-Y, C-X... M-N
📚 Solved Questions – 10
Question 1: Opposite letter
What is the opposite of G?
Question 2: +2 code
Write the word CAT in +2 code
Question 3: Queue
A, D, G, J, ? What's next?
J(10) + 3 = 13 =M
Question 4: Find the location
Which is the 8th letter from the right?
Question 5: Counter code
What is the opposite of DOG?
Question 6: Middle letter
The middle letter of the word COMPUTER?
Question 7: Numerical value
What is the numerical value sum of the word CAB?
3+1+2 =6
Question 8: Life Count
How many vowels in the word EDUCATION?
Question 9: Mixed sequence
A1, C3, E5, G7, ?
G+2=I, 7+2=9 =I9
Question 10: Organization
Sorting DCBA?
⚡ Speed shortcuts
🎯 EJOTY Reminder
Multiples of 5 are easy to remember!
🔤 Opposite pairs speed method
Reminder:AZ, BY, CX, DW, EV, FU, GT, HS, IR, JQ, KP, LO, MN
🔢 Speed numbers
| A=1 | F=6 | K=11 | P=16 | U=21 | Z=26 |
📋 Code speed rule
- Next to Z → A (Circle)
- Before A → Z (round)
- +13 = opposite letter (A↔N, B↔O...)
💡 Exam Tips
- EJOTY (5,10,15,20,25) Memorization
- Opposite = 27 - value
- Vowel: A, E, I, O, U only
- Find the array style first
- Check how +/-
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