Alligations and Mixtures – CAT 2022
We come across the term mixtures quite often. Although we understand its literal sense, but while solving problems, how do we go about it? In this article, we will study the basics of alligation and mixtures and learn various approaches to solve questions based on...
CAT 2022 : Averages: Formulas, Tricks and Shortcuts
In this article, we provide you a short and effective summary for Averages. We have covered 10 formulas and shortcuts that you can use for Average questions. The following is a list of important formulas for Averages: In simple terms, averages usually refer to the... 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...
