GRE : Quantitative Comparison Problem

This is the Quantitative Comparison Problem-6.Understand the basic mathematical principles behind this problem and other problems.

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Example-6

Column A : X + 32Y

Column B : Y + 32X


Answer

From the given information we can deduct B from A.

A – B =

= (X + 32Y) –(Y + 32X)

= 32Y – Y + X – 32X

= 31Y – 31X

= 31(Y – X)

Without knowing the relative values of X and Y, it is not possible to determine whether this is positive or negative.

SO, it is impossible to compare A and B uniquely.

So, D is the answer.

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This is the Quantitative Comparison Problem.Understand the basic mathematical principles behind this problem and other problems.

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