Hi Raxit85,
This question has a real "quirky" design to it. To get the correct answer, you have to focus on the limitations given in the PROMPT. Consider ALL of the possibilities for X in the PROMPT, then select the answer that is TRUE for all of THOSE values.
To get you thinking in the proper way, consider the following....
If you KNOW that X = 0, is it true that X > -1?
Yes.
If you KNOW that 3 > X > 0, is it true that X > -10?
Yes - because ALL of the possible values of X are greater than -10.
Notice the pattern in the logic. I'm NOT presenting the idea that X is everything greater than -10. I'm just asking if, given the limitations, that the statement is TRUE.
As it stands, this type of "quirky design" doesn't show up on Test Day all that often, but plenty of standard questions WILL ask you for "what must be true?"
GMAT assassins aren't born, they're made,
Rich
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