ISEE Quantitative Comparisons Question 114: Answer and Explanation

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Question: 114

3.

  • A. The quantity in Column A is greater.
  • B. The quantity in Column B is greater.
  • C. The two quantities are equal.
  • D. The relationship cannot be determined from the information given.

Correct Answer: D

Explanation:

The answer is D

It is not possible to know which column is greater, because x does not have to increase when squared. It could remain the same (0 or 1) or become smaller (a fraction between 0 and 1).

Plug in an easy number for x, such as 2. In this case, Column B is greater, which means that Column A is not always greater and that the two columns are not always equal. Eliminate (A) and (C). Now try x = 0. The two columns are not equal, which means Column B is not always greater. Eliminate (B).

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