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 1/3, what is the value of Y/X ? Pick:
A) 3. B) 2. C) 1/2. D) 1/4 E) There isn't enough data to answer the question.
Answer is 1/4 : 1/4   X - Y = (X + Y)/3   Solving for Y/X = 1/4
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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 1/3, what is the value of Y/X ?