Skip to main content
Super TutorResources
Chapter 1 of 19
SyllabusNotesTopicsQuestionsPlanFormulas
Practice Questions

Number System — Practice Questions

CAT · Quantitative Aptitude

Free Number System practice questions for CAT Quantitative Aptitude 2026 — chapter-wise MCQs with answers and detailed solutions.

Interactive on Super Tutor

Studying Number System? Get the full chapter — free.

Practice questions, revision notes, formula sheet and AI doubt-solver — built for CAT Quantitative Aptitude.

Try Super Tutor — Free
A hierarchical chart showing the classification of numbers starting from Complex Numbers, branching into Real and Imaginary, then Real numbers branching into Rational and Irrational, and Rational numb
Super Tutor

Learn better with visuals Super Tutor has hundreds of illustrations like this across every chapter — all free to try.

Get started

Practice Questions — Number System

67 questions available from Number System for CAT Quantitative Aptitude.

Question Types

multiple choicemultiple correcttrue falsenumerical

Sample Questions

1multiple choice1 marks

Which of the following is NOT a prime number?

2multiple choice1 marks

What is the HCF of 24 and 36?

3multiple choice1 marks

A number is divisible by 9 if:

4multiple choice1 marks

What is the LCM of 15 and 20?

+63 more questions — practice in Super Tutor

Frequently Asked Questions

What topics are covered in Number System for CAT?
Number System is an important chapter in CAT Quantitative Aptitude. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Types of Numbers and Basic Definitions, Prime Number Properties and Testing, GCD and LCM Concepts, Divisibility Rules and Tests.
How important is Number System for CAT?
Number System is a frequently tested chapter in CAT Quantitative Aptitude. Questions from this chapter appear regularly in previous year papers. There are 67 practice questions available for this chapter.
How to prepare Number System for CAT?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.

More resources for Number System

All 19 chapters — CAT Quantitative Aptitude Practice Questions

For CAT aspirants

Get the full Number System chapter — for free.

Practice questions, revision notes, formula sheet and AI doubt-solver for CAT Quantitative Aptitude.

Try Super Tutor Free
Try the full chapter — Free