|
|
GMAT Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
08 May 2008, 07:27
Kudos
Bookmarks
My GMAT is 2.5 weeks away and I can not seem to get probability at all. I really have no clue beyond simple counting principle problems. I am at about 46-47 in Quant at the moment. I get 25-27 right on the GMAT Challenges and miss the 2-3 probability problems everytime. I understand the concepts behind Perms and Combs, but just have no idea when to use them and how to set up the equations to solve for the probability. I found this resource on GMAT Club, https://gmatclub.com/forum/7-t56486 but still don't get it. Anyone else have a similar issue and then have an AHA! moment? Please help.
08 May 2008, 07:59
Kudos
Bookmarks
use the MGMAT anagram method for probability to find the total
then count your winners (or losers) if it's too complex (like the seating options type questions)
probability Qs in your range (and even the higher ranges to 49Q) aren't going to be that hard, just basic type stuff and you're lucky to see 1 problem so focus more on the number properties questions becuase you'll see tons.
then count your winners (or losers) if it's too complex (like the seating options type questions)
probability Qs in your range (and even the higher ranges to 49Q) aren't going to be that hard, just basic type stuff and you're lucky to see 1 problem so focus more on the number properties questions becuase you'll see tons.
08 May 2008, 08:05
Kudos
Bookmarks
jbpayne
I'll suggest a strategy for you. Skip them.
In the meantime, sharpen all other aspects of quant mainly divisibility, exponents and overlapping sets.
Yes, I say skip them, because you will spend your study time better by sharpening the skills you already have. AT MOST, you will see 3 prob/combo questions, of which at least one will be asininely (<-- is that a word?) simple.
I was pretty good w/perm&combo. I got a 50Q, ask me how many prob questions I saw. ZERO.
You'll see that many people, especially the ones who score 50/51Q skip a question or two or three. I can pretty much guarantee that no one has ever gotten all the questions right. It simply does not happen. So don't be afraid to skip/guess a question. You can use that alloted 2 minutes, on a question you're certain to get right.
Good luck.
