ISEE Quantitative Comparisons Question 147: Answer and Explanation
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Question: 147
5. 
- 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
First, find the area of the rectangle, using length × width: 
x2. Now find the area of the triangle, using 
base × height: y2. As no information is given about the relative values of x and y, it cannot be determined which figure has a larger area.
Plug in easy numbers for x and y, such as x = 4, and y = 8. The area of the rectangle is 4, while the area of the triangle is 16. As the value in Column A is not always greater than the value in Column B and the two columns do not always have the same value, eliminate choices (A) and (C). Now, plug in again to see if t