The tens digit of positive integer X is 3. Is the units digit of X greater than 4? (1) The units digit of 2X is less than the units digit of X. (2) The tens digit of 2X is 7._出国考试答疑器_GMAT_试题

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题目：

The tens digit of positive integer X is 3. Is the units digit of X greater than 4?

(1) The units digit of 2X is less than the units digit of X.

(2) The tens digit of 2X is 7.

选项:

答案:

D

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