From the trivia question GMAT- Quantitative Section Q#8: My set of number is {k, 2, 5, 7}. If the mean is 4, what's the median of my set?
Sat, 06 Dec 2008 20:52:26 -0000
K=2, So, the median lies between 2 and 5, i.e., 3.5.
K=2, So, the median lies between 2 and 5, i.e., 3.5.
Why can’t we use either statement and substitute values in terms of x/y and arrive at the answer? The, D would be sufficient.
Tip 6: You can figure out how you’re doing by observing the difficulty level of the questions. If the questions get harder and harder, it means that you’re doing well.
Post Comments
oLahav said – Wed, 09 Jul 2008 16:17:22 -0000
That’s a good tip, and it should work, since every time you get a question right you’ll be given a more difficult question.
Thanks for the contribution!
Eduardo Longo said – Thu, 31 Jul 2008 01:39:40 -0000
There’s a problem with this tip. GMAC states that most people cannot accurately assess the difficulty level of a question (and I think they’re right), so you can find a “hard question” easy because you’re very comfortable solving this kind of question and, on the other hand, find an “easy question” hard because you’re not familiarized with it.
Moreover, if you start thinking that the questions are too easy you can panic and screw everything up.