A can't actually be correct.
If we picked Z to be 7, and X to be 6, then we end up with an AM of 8, smaller.
but if we picked Z to be 9 and X to 7, then we end up with an AM of 8.5, larger.
Unless I'm missing something significant, this can't be right.
Me? I'm tempted to go with E
GMAT Forum
- by ell_wu
- Wed Aug 18, 2010 12:22 pm
- Forum: GMAT Official Practice Test Math
- Topic: If x is a positive number less than 10, is z greater than
- Replies: 20
- Views: 21634
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