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Understand the Classification of Numbers for WBCS Prelims Exam

The classification of numbers is an important topic for the WBCS Prelims Exam. This article will help you understand the different types of numbers and how to solve questions related to them.

Download PDF09 January, 2024 
Author
Raja Bhattacharjee
8 min read  |  Words: 2257

Table of Contents

  1. Overview of the Classification of Numbers
  2. Real Numbers
  3. Imaginary Numbers
  4. Rational Numbers
  5. Irrational Numbers
  6. Integers
  7. Decimals
  8. Prime Numbers
  9. Composite Numbers
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Updated on: 2024-06-05 22:01:36  

Classification of Numbers FAQs

How many classifications of numbers are there?

There are two classification of numbers: Real and Imaginary numbers. Real numbers can further be classified as Rational and irrational numbers. Rational Numbers can further be classified as integers and decimals, and so on.

What is called a number?

A number is a mathematical object used to count, measure, and label. Numbers can be represented in language with number words, such as six, seven, and eight, or with symbols, called numerals, such as 6, 7, and 8.

Numbers are used in many different areas of mathematics, including arithmetic, algebra, geometry, and calculus. They are also used in many different scientific disciplines, such as physics, chemistry, and engineering.

In one sentence, a number is a mathematical object used to represent quantity.

How many numbers are there in total?

There are infinitely many numbers in total. This includes all the natural numbers (1, 2, 3, ...), whole numbers (0, 1, 2, 3, ...), integers (-1, 0, 1, 2, ...), rational numbers (numbers that can be expressed as a fraction of two integers), and irrational numbers (numbers that cannot be expressed as a fraction of two integers).

It is impossible to count all the numbers in total, because there are always more numbers to be counted. For example, if you start counting the natural numbers, you will never reach the end. There will always be another natural number after the one you are currently counting.

What are the different type of Numbers?

The different types of numbers include natural numbers, whole numbers, integers, rational numbers, and irrational numbers, collectively forming the set of real numbers.

What is the weightage of Classification of Numbers in WBCS Exam?

The weighage of Classification of Numbers in WBCS Exam is not specified in the official syllabus. However, it is a relatively minor topic within the Mathematics section, and it is unlikely to carry a significant weightage.

That said, it is still important to have a good understanding of Number Classification, as it is a fundamental concept in mathematics and is used in many other areas of the WBCS Exam, such as Arithmetic, Algebra, and Geometry.

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Raja Bhattacharjee

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Mr. Raja is the famous teacher for Quantitative Aptitude in Siliguri and co-partner at one and only thedhronas.com

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