Topic

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
Rule:Letter + opposite letter = 27
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
Vowels:A, E, I, O, U (5 letters)
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
Letter in the middle:M=13, N=14 (26÷2)
Opposite Pairs:A-Z, B-Y, C-X... M-N

📚 Solved Questions – 10

Question 1: Opposite letter

What is the opposite of G?

Solution:G = 7, opposite = 27-7 = 20 =T
Question 2: +2 code

Write the word CAT in +2 code

Solution:C→E, A→C, T→V =ECV
Question 3: Queue

A, D, G, J, ? What's next?

Solution:+3 style (1,4,7,10,?)
J(10) + 3 = 13 =M
Question 4: Find the location

Which is the 8th letter from the right?

Solution:26 - 8 + 1 = 19 =S
Question 5: Counter code

What is the opposite of DOG?

Solution:D→W, O→L, G→T =WLT
Question 6: Middle letter

The middle letter of the word COMPUTER?

Solution:8 letters, middle = 4,5 =PU
Question 7: Numerical value

What is the numerical value sum of the word CAB?

Solution:C=3, A=1, B=2
3+1+2 =6
Question 8: Life Count

How many vowels in the word EDUCATION?

Solution:E, U, A, I, O =5
Question 9: Mixed sequence

A1, C3, E5, G7, ?

Solution:Letter +2, Number +2
G+2=I, 7+2=9 =I9
Question 10: Organization

Sorting DCBA?

Solution:Alphabetical order =ABCD

⚡ Speed ​​shortcuts

🎯 EJOTY Reminder
E=5, J=10, O=15, T=20, Y=25
Multiples of 5 are easy to remember!
🔤 Opposite pairs speed method
Letter + opposite = 27 forever!
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
  1. EJOTY (5,10,15,20,25) Memorization
  2. Opposite = 27 - value
  3. Vowel: A, E, I, O, U only
  4. Find the array style first
  5. Check how +/-
DISCLAIMER

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Please verify official sources before appearing for exams.