CAT Practice : Percents, Profits

When x's and y's get thrown about, questions always seem harder. But knowing how to deal with these is very crucial.

Percentages - Variables

    Q.7: A is x% less than B, A is y% less than C. C is k% more than B. Express k in terms of x and y.

 

  • Correct Answer
    Choice A.

Explanatory Answer

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Detailed Solution

A =    -------- Equation (1)
A =    -------- Equation (2)
C =    -------- Equation (3)

Substituting equations (1) and (3) in (2), we get



k = . Answer Choice (A)

Correct Answer:



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