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Showing posts with the label CSAT

Percentage: The Magical A-B Rule & it's Applications ( Part 1 of 2)

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  In this Article you will learn :       The Magical A-B Rule and its application in following cases: CASE 1 : A’s income x%  more than  B, by how much percentage B’s income is  less than  A CASE 2 : A’s income x%  less than  B, by how much percentage B’s income is  more than  A CASE 3:  Problems related to Profit/Loss, Selling Price & Cost Price. CASE 4:  When  A X B = Constant  (when product of two quantities is constant AB Rule can be applied) Case 4.1 :  Price x Consumption= Expenditure  (if Expenditure is constant AB Rule can be applied) e.g. When Price of sugar is increased/decreased by 20% by how much consumption should decrease/increase so that expenditure is constant. CASE 4.2 : For rectangle  Length x Width = Area  (if Area is constant AB Rule can be applied) e.g. If length of Rectangle is increased by 20%.By how much percentage width should decrease so that area of rectangl...

How to Calculate Division of two numbers quickly?

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While solving Data Interpretation questions, you often need to divide two numbers e.g. to calculate percentages, percentage changes etc. which usually consumes time if you use traditional method of division. In this article you will learn how to divide two numbers quickly. Let us take one question: Question: Above Graph represents No. of units sold by Bajaj Auto in different segment from 2005 to 2008. Ques1:  In 2005, Scooters sales in volume is how much percentage of total sales.            a)      53.65 %            b) 46.82%             c) 56.37%                 d) 59.82% Solution:   In 2005, Scooters= 482               ...