2. 外语
  3. m, p, and x are positive integers and mp = x Column A Column B m x

m, p, and x are positive integers and mp = x Column A Column B m x

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问题 m, p, and x are positive integers and mp = x

Column A              Column B
m                       x
选项 A、if the quantity in Column A is greater
B、if the quantity in Column B is greater
C、if the two quantity are equal
D、if the relationship cannot be determined from the information given
答案D
解析 m、p和x都是正整数，且mp=x。
解：本题的正确答案为(D)。由于题目中并没有说明m、p和x是互不相同的正整数，所以当p=1时可解得m=x；当p≠1时可解得x>p。综上所述m和x的大小无法判断。
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本试题收录于： GRE QUANTITATIVE题库GRE分类
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