Monday Mail-Bag: Advice on Big Picture Issues That Impact GMAT Test Takers…This series of emails and PMs focuses on situations that many Test Takers face during their studies. The names of the original posters have been changed to protect their identities.
Avoiding Unrealistic Training MaterialsDear Rich,
I took a mock test today and in Quant section there were 26 DS Qs. Normally
OG'13 says that there will be 15-16 DS Qs. Is this a possibility in the real test?
Brutus
Hi Brutus,
It’s important to train with materials that are designed to match up with what you’ll face on the Official GMAT. This CAT might just be a fluke, but it might also be indicative of a program that isn't quite in line with the actual GMAT. I'd suggest sticking to the 4 CATs that are available from mba.com (2 for free, 2 others for $40) and any of the CATs from Kaplan, ManhattanGMAT and Veritas.
The Limits of Last Second Verbal StudiesHi Rich,
I have been preparing for GMAT for 2.5 months now and my exam is in 5 days. I have prepared quite thoroughly, and have improved my quant skills a lot.. but I seem to have hit a plateau in verbal.. always scoring 35-36 ..and giving me total of 680-690 (Quant scores are stable). Is there any advice on how to overcome this in 3-4 days.. I'm targeting 730+ total and verbal seems to be holding me down.
Carver
Hi Carver,
Unfortunately, you don't have much time to really change your tactics, practice them properly and then use them on the GMAT with any consistently. What you CAN do is take a good look at EVERY Verbal question from your practice CATs (not just the ones that you're getting wrong) and do some analysis. Ask yourself HOW you go about getting a question correct and then do your best to repeat the steps/logic. Every time you've "narrowed it down and guessed" but still got the question wrong, ask yourself WHAT you missed. For SC questions, it's all about grammar and style. For CR and RC, it's all about notes, understanding WHY material is included in the prompt and linking ideas.
Breaking Complex Permutation Questions into PiecesRich,
How can we solve permutation questions that come with extra steps? How do you write out the equation to solve this:
Greg, Marcia, Peter, Jan, Bobby and Cindy go to a movie and sit next to each other in 6 adjacent seats in the front row of the theater. If Marcia and Jan will not sit next to each other, in how many ways different arrangements can the 6 people sit?
Dayna
Hi Dayna,
Since the GMAT tends to "reward" flexible thinkers, it's important to be comfortable thinking logically and in a number of different ways. I'm going to show you a way to think of this question that's more about logic and less about complex math formulas.
Since there are 6 people sitting in 6 adjacent seats, using permutation logic/math makes sense.
IF there were NO restrictions, then the total number of options would be: 6x5x4x3x2x1 = 720 arrangements.
BUT there is a restriction: Marcia and Jan CAN'T sit next to one other. That means we'll have to subtract some of the options away from the 720 that we started with.
Imagine if we put Marcia in seat 1 and Jan in seat 2. Then we'd have….
MJ4x3x2x1 = 24 ways with Marcia 1st and Jan 2nd.
If we flipped those two around, we'd have…
JM4x3x2x1 = 24 ways with Jan 1st and Marcia 2nd.
24 + 24 = 48 ways that DON'T WORK if we put Marcia and Jan in the first 2 spots.
We can use that SAME pattern throughout the row:
2nd and 3rd = 48 options that DON'T WORK
3rd and 4th = 48 options that DON'T WORK
4th and 5th = 48 options that DON'T WORK
5th and 6th = 48 options that DON'T WORK
In total, there are 48(5) = 240 ways that DON'T WORK. Subtract those ways from the total possible.
720 - 240 = 480 arrangements.
GMAT assassins aren't born, they're made,
Rich