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