News & Updates
SURDS
In the previous articles, we learnt about an irrational number. But what is a Surd? In this article we will get to know more about Surds and its applications. Definition: An irrational number with root (square root, cube root, etc.) is called a surd. For example: ,...
Laws of Exponents
Important Laws of Exponents and Related Properties In the first article for this lesson, we essentially covered the basic concepts for exponents. In this article, we cover the essential laws that govern this topic. Remember, it is vital for you to learn and memorize...
CAT 2022 : Exponents
In this article, we will see what exponents really are and go through some tips to solve the exponential expressions. Exponents also go by the name of powers and indices. So in case you find any of these words used interchangeably in various texts, be rest assured...
FRACTIONS
The concept of fractions, though a simple one, can often cause some confusions. Having not solved sufficient questions based on this simple concept, students often tend to confuse the problems. Considering the basic nature of this topic, it is important we go through...
DECIMALS
Let’s start this article with a simple question: are all numbers integers? Well, the obvious answer to that question is a NO. All numbers are not integers. Consider the case of 0.333333. What is this number? An integer? Well, it is a decimal. But what are decimals?...
Order of Operation
How do we solve questions involving mathematical operations involving addition, subtraction, multiplication and division? The answer to this question is that we follow a particular order to solve the problem. This forms the basis to solve any kind of question. The...
Number System: Shortcuts and Tricks
In this article, you’ll learn some tricks to help you solve questions within seconds. So, let’s get going with the shortcuts. Concept 1: Number of times a particular digit (except 0) appears in a series of numbers given This concept can be best understood with the...
Properties of Numbers
To solve questions based on number system quickly, you should have a good hold of the properties of numbers. Therefore, in this concept article we shall discuss the following handy list of tips that you can remember about numbers (think about each one of these):...
Prime Numbers
n the previous article, we studied about different types of numbers. Now, in this article we will discuss prime and composite numbers in detail. Prime numbers Numbers, which don’t have any factor other than 1 or itself, are said to be prime numbers. For example 2, 3,...
Numbers
In this first article of our topic ‘Numbers’, we deal with ‘Numbers’ themselves. So, what are numbers? Where do we see and meet them? Are they of different types? Can we learn these distinct types of numbers? Well, numbers are all around us, floating all over the...
CAT 2022 : RACES & CIRCULAR TRACKS
Now let us discuss the cases of races. Let there be two persons A and B running a race. Sometimes, we deal with the statements like A gives B a start of 'x' meter in a race. Now what does it mean? Let us try to find it out. If we have a statement that A can give B a...
CAT 2022 : Boats and streams
In this article we would be going through the important concept of boats and streams. It is based on the concept of relative speed, which was covered in the previous article. Whenever a boat moves in the direction of the stream, it is said to be moving downstream...
