Medium to High Difficulty Quantitative Questions

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:D Hi this is my first forum post ever! I googled this link with some tough math questions and thought it might be useful. Also, it doesn't give explanations for the correct answer and I was wondering if anyone could help me with (#2, 6, 9, & 12) which I got wrong :( Many thanks!

https://www.mlicets.org/gmat/gmat-practice-test.html

Newbie | Next Rank: 10 Posts
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by birdpoop » Mon Oct 06, 2008 4:34 pm
Maybe it's me or these problems seems a little more difficult than what you might come across on the actual GMAT or any of the prep materials.