ISEE Quantitative Comparisons Question 141: Answer and Explanation
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Question: 141
2.
- 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: C
Explanation:
The answer is C
Vertical angles are the same, so the unmarked angles in the triangles are the same. Call those angles x. As there are 180° in a triangle, the value of p is 180 - (40 + x), and the value of q is 180 - (40 + x). That is, p and q are the same. Thus, p - q is 0.
As no value is given for the vertical angles, they do not matter, so you can plug in. Assume the angles each measure 70. As there are 180 degrees in a triangle, p = 180 - (40 + 60) = 80. Thus, p - q is 0. Column B is bigger.