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I spent a lot of time during my GMAT preparation studying probability, permutation, and combinations. I regret spending so much time on these subjects because I ended up seeing only 1 permutation question on the actual exam. The fact is that these "difficult" questions appear infrequently on the GMAT.lan0583 wrote:I am planning to take my GMAT in August. I have been reviewing since February and I feel that my only problem at this point are probability, permutation and combinations. Is there any good materials out there? I've been looking for weeks now and I haven't found anything so far.
Please help.
i second this advice, didnt see a single combi/permut question on the test. i was bitter for having spent the time to study. make sure you dominate number properties and youll do well.beatthegmat wrote:I spent a lot of time during my GMAT preparation studying probability, permutation, and combinations. I regret spending so much time on these subjects because I ended up seeing only 1 permutation question on the actual exam. The fact is that these "difficult" questions appear infrequently on the GMAT.lan0583 wrote:I am planning to take my GMAT in August. I have been reviewing since February and I feel that my only problem at this point are probability, permutation and combinations. Is there any good materials out there? I've been looking for weeks now and I haven't found anything so far.
Please help.
My recommendation to you is not to overemphasize these topics. These guides should provide you a decent overview: https://www.beatthegmat.com/viewtopic.php?t=75
I recommend that you also sign up for the free Delta Course problem-a-day e-mails. Delta Course will send you a permutation/combination/probability question each day and provide you the answer the following day: https://www.deltacourse.com/gmat/gmat-email.asp It's good practice, and probably sufficient preparation.
If you still think that you need further study on these subjects, maybe you should sign up for Delta Course content access. It's $27 and it will prepare you thoroughly for these kinds of questions on the GMAT.
Best of luck!
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