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Two brothers took the GMAT exam, the higher score is X and the lower one is Y. If the difference between the two scores is equal to their average, what is the value of Y/X ?
A. 3.
B. 2.
C. ½.
D. 1/3.
E. There isn’t enough data to answer the question.
Correct Answer: D
Explanation/Reference:
Explanation:
If the difference is equal to the average, then we could write the equation: X Y = (X +Y)/2. X 3Y = 0 Y/X = 1/3.
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