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## Averages: Typical Concepts and Formulas – CAT 2022

As we have covered the basics of averages in the previous articles, we will now learn about some typical concepts, formulas and shortcuts that can come in handy while solving questions. Concept 1 Let us recall some formula of arithmetic progression. Sum of first n...

## CAT 2022 : Impact Of Removal / Replacement / Addition of New Item on Averages

In the previous articles, we discussed how to calculate the average of a given series. But what if we eliminate, add, or replace some terms from that series. Will the average be affected? If yes, then how? To find the answer, let us go through the concepts given...

## Average and Arithmetic Progression – CAT 2022

In this article, we will discuss the method to calculate averages. We will also discuss about a special series i.e.,the Arithmetic Progression (AP) and ways to calculate averages in an AP. Essentially, an Average is the estimation of the middle number of any series of...

## Basics of Averages – CAT 2022

In our daily lives, we use the word â€˜averageâ€™ to talk about the average speed of a car, or average marks of a class, and the average earnings of all the members of a family. The term ‘average’ shows a central value of a given set of numbers. If we dig up...

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