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## MBA Entrance,Quantitative Aptitude, Introduction To Percentage, Concept Of Percentage Change

Hello, now let’s look at the concept of percentage A is 25% taller than B this is what we have done in the previous video correct but now the statement is 25% taller than B by what percentage is B shorter than A so let’s see how to approach this question so what is my base here B and 25% is 1 by 4 so this is what we have done that if B is 4, A would be 5 correct this is what we have done earlier now the next question what percentage is B shorter than A so what is my base here A so the comparison in respect to A what is A now 5 and B is 4 which will be 1 less than A which means 4 is 1 less than 5 which means B is how much percentage shorter than A, 1 by what is base A so 1 upon 5 which means B is 20% shorter than A I hope it’s clear to everyone let’s move ahead and see the next example X scores 4.75 % less than Y, by what percentage has Y scored more than X what is a comparison base in the first statement Y and what is 4.75 % 1/21 which means if we assume that Y is 21 then X would be 1 less than 21 which means X would be 20 now in the next statement base become X correct if X is 20 and Y was 21 as per the previous diagram the left hand side diagram which means Y that is 21 is 1 more than 20 so it is 1 upon 20 which is nothing but is 5% so Y has scored 5% more than X lets move ahead if A is 10% more than B, then B is what percent less than A

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2017-04-18T04:57:40+00:00 Categories: MBA Entrance Exams||0 Comments
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