GRE : Quantitative Comparison Problem

This is the Quantitative Comparison Problem-3.Understand the basic mathematical principles behind this problem and other problems.

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Example-3

The average arithmetic mean if 12 and 20 is equal to the average of arithmetic mean of 15 and X.

Column A : X

Column B : 16


Answer

From the information, we can deduce that X + 15 = 12 + 20

X + 15 = 32

X = 32 -15

X = 17

X > 16

So, the answer is A.

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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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