### Highest Common Factor (HCF) of numbers

The topic of HCF and LCM is an important one if you are preparing for the CAT examination. In this …

Read More### Factors of a Number

The concept of factors of a number and its application in the questions is very important concept while preparing number system for the CAT examination. Factors of a number N are the numbers which divide N. So, if we talk about a number say, 12, then

Read More### Last Two Digits of a Number

In this article we will discuss about the concept of last two digits of a number. We know that to get the unit digit of a number, we do not need the whole number but only the last digit of the number. Similarly, to get the last two digits we do not the whole number but the last two digits of the number are required.

Read More### Concept of Unit Digit for CAT

The concept of finding the unit digit is important if you are preparing Number System for CAT. Let us take an example. What is the unit digit of the product

Read More### Types of Numbers – Classifications & Properties

While preparing the Number System for CAT exam, the very first thing that you should master is the types of numbers used in CAT Number System Questions. It is one concept which is not only used in number system but is also used in almost all the topics of quantitative aptitude

Read More### Introduction to Number System

Number system is an important topic when you are preparing for the CAT examination. Students generally start their CAT preparation from this topic only, not because questions

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