Coding Decoding Topics - Banking PO Syllabus

1

Letter coding

Single character substitutions.

1m 30 PYQs1/10

📌 Key FormulaPosition values (A=1, Z=26)

2

Number Coding

Mapping letters to digits.

1m 25 PYQs2/10

📌 Key FormulaSum of reverse positions

3

Substitution Coding

Fictional language translations.

5m 35 PYQs2/10

📌 Key FormulaWord frequency comparison

4

Deciphering Coding

Breaking complex encrypted phrases.

2m 15 PYQs4/10

📌 Key FormulaLogic cross-verification

5

Symbol Coding

Direct character-symbol mapping.

1m 20 PYQs1/10

📌 Key FormulaMap building

6

Letter coding

Mains level character cipher.

1m 20 PYQs3/10

📌 Key FormulaReverse position sum

7

Number Coding

Mathematical mapping of words.

1m 18 PYQs4/10

📌 Key FormulaProduct of positions

8

Substitution Coding

New pattern Chinese coding.

5m 30 PYQs4/10

📌 Key FormulaCommonality elimination

9

Deciphering Coding

Breaking complex logical keys.

2m 12 PYQs5/10

📌 Key FormulaLogic discovery grid

10

Symbol Coding

Integration of symbols and operations.

1m 15 PYQs3/10

📌 Key FormulaDirect mapping