Classification of Centre Codes / Roll Numbers
What is Classification of Centre Codes / Roll Numbers?
The process of grouping items based on shared characteristics or properties.
Key points
- To develop the ability to identify patterns in numerical and alphanumeric data.
- To enhance logical deduction skills for problem-solving.
- To quickly analyze and compare multiple data points.
- To improve speed and accuracy in objective-type questions.
Common exam trap
Overlooking a simpler or more obvious pattern.
Definitions
- Term
Classification
- Meaning
The process of grouping items based on shared characteristics or properties.
- Term
Odd One Out
- Meaning
An item that does not fit into a group based on a specific criterion applied to the other items.
Learning objectives
To develop the ability to identify patterns in numerical and alphanumeric data.
To enhance logical deduction skills for problem-solving.
To quickly analyze and compare multiple data points.
To improve speed and accuracy in objective-type questions.
Prerequisites
Basic arithmetic operations (addition, subtraction, multiplication, division).
Understanding of number properties (even, odd, prime, composite).
Divisibility rules.
Logical reasoning and pattern recognition skills.
Common mistakes
Overlooking a simpler or more obvious pattern.
Applying a rule that only applies to two items, not the majority.
Getting confused by the length or complexity of the codes/numbers.
Assuming a pattern without verifying it against all options.
Keywords
Classification
Odd One Out
Reasoning
Centre Code
Roll Number
Pattern Recognition
Logical Deduction
SSC CGL
Practice preview
A center code is represented as 'XYZ-123', where 'XYZ' is the City Initials and '123' is the Room Number. Which of the following is an INCORRECTLY formatted center code if the city is Mumbai and the room number is 45?…
easy
A sequence of exam centers is coded as follows: Patna (PAT01), Ranchi (RAN02), Lucknow (LUC03). Following this logic, what is the code for Bhopal?…
medium
Four roll numbers are given below. Three follow a specific pattern where the last digit is the remainder when the first five digits are divided by 7. Identify the ODD one out.…
medium