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Another classic mistake in DS is REMEMBERING INFORMATION FROM PREVIOUS STATEMENT and concluding that the answer is B.

I have made this mistake a few times. It is very important that you CONSIDER EACH STATEMENT INDEPENDENTLY
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For verbals, CR:

Write S for strengthen, W for weaken, ? for neither or irrelevant or otherwise unsure.

Then look at the question and cross out the ones that don't fit. More than once I picked a weaken when in fact it was asking what strengthened.

For DS math, memorize

AD
BCE

If statement 1 is sufficient, then cross out BCE. If statement 1 is unsufficient, cross out AD, then look at statement 2. If thats sufficient pick B, if thats insufficient, cross out B and pick C or E.
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SC: while going through the options i usually get confused among the choices in which original problem is rectified but a new error is inserted.This happens because i mainly concentrate on the error and oversee rest of the sentence :cry: .The new inserted error can be because of chnage in the verb in terms of singular and plural(changing 'insert' into 'inserts').

DS:Due to time constraint i usually miss some posibilities like i just put 2-3 values to the condition given and then conclude the answer because of this i usually dont get the score in practice tests which i can.

----------------------------------
Utkarsh

Never explain yourself, your friends don't need it and your enimies won't beleive it.
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The most common mistakes I make are:

Quant: I mark the wrong answer choice inspite of getting the correct answer (B instead of A or something like that)...this happens when Iam in a hurry ..mostly for questions which are easy. Double checking the answers reduces this kind of errors.

SC: I get carried away by one of the answer choices which feels right and overlook reading rest of the answer choices....

CR: glance at the question just before marking the answer choice to make sure it is the correct choice..I sometimes assume a weaken question as strengthen or vice versa.
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DS
Most of the time I made common mistake in analyzing the question and I miss important clue like, positive integer, consecutive integer, non negative integer, non zero integer. Nowadays I start looking at these clues as triggers to get answers.

PS
Ratio problem. There is a:b:c = 1:2:3 I have been asked to compute B but I compute a and give answer. Nowdays I calculate all a, b and c. Normally obivious wrong answer is answer choice 'A' for such type of question.

RC
I do not rely on my memory about inference or fact based question. I read that part of paragraph again.

General
Most common silly mistake is to spent too much time unnecessarily on some question and then making most of the other question wrong in the end. Fix some maximum limit for each question.
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Just wanted to add another one...

One mistake I recently made is not paying attention to what is being asked.

For example, given 3 job rates, finding the ratio of the *time* taken by A to that taken by (B+C) is actually inverse of the job rate. Ofcourse one of the choices is the answer you came up with, which is ofcourse wrong.

One way to resolve is :

Make a note of what is being asked
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One very stupid mistake: f.e. 30% of winners, all the others are loosers what is ratio of winners to the total loosers. Just was in a hurry or time pressure made me take 3/10 instead of 3/7, just missed last word "looser" and ... has got looser:( READ carefully all the question!!!
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[size=150]CR:

Always pay special attention to choices havings words such as “mostâ€
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Its been a while since I took the GMAT, but here is one that I remember..

Statement : x is a positive integer.
I read : x is an integer.


Here are some common strategic errors you can make:

1. I am strong in Quant. Lets focus on Verbal. vice-versa

2. Work two weeks straight on SC, then the next two weeks straight on
CR...so on so forth.

3. I consistently get 75% correct on CR/SC/RC.

4. I must only focus on the difficult problems.

5. Three months is good enough for preparation.

6. I got that question right. I dont care if I guessed. I dont need to
review the explanation or take a second look at it.

7. I know my weaknesses. I dont see any reason to measure my
progress.
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Keep thinking about the questions that came before and not the one infront of you.
SC- A sounds good and so just skimming over D and E.
Not timing yourself.
Not being consistent - i.e. studying hard for 1 week and then not studying for the second week.
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x is 400% greater than y - means x is 500% of y
i fall for this a lot. For some reason, I'm fine when the percent greater is less than 100 ie- x is 13 percent greater than Y: x=1.13y no problem.

There will most definitely be an answer choice that is the result of this miscalculation!
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When two variables are denoted e.g. X and Y - (If its not mentioned that variables are different) - They can be same!

Is this true in all cases? Can we assume when variables are denoted by different letters, they can have same values?

So I thought it would be a silly mistake to assume different letters as ifferent variables;

P.S. When I studied math at school - different letters denoted different values:(
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My mistake in all parts of the Verbal section:

If one of the answer choices at the beginning looks correct (though I am not 100% sure), I tend to underestimate other choices and just skim over other choices very quickly for the sake of going through them. It is dangereous especially when A looks correct.

So my take: do not discriminate other choices, they may not like this. :)
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latest mistake on SC:

DO NOT START ELIMINATING ANSWERS BASED ON IDIOMS... even if you are 90% sure... try to find other problems first and look at the idioms as a last source of a mistake!!!

courtesy of Futuristic and his GMAT instructor :wink:
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I think the most important thing to be taken into consideration is concentration and its consistance. If you have 95% for 2 hrs and 85% concentration for the remaining time, there can be a drastic increase in the scores....
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AWA: One of my worst mistakes was not including the AWA section in practice CATs. "I'll just skim over the templates the night before test day, and should at least pull off a 4~5; schools don't really care about AWA scores anyway."

Big mistake. AWA does count, not only in the eyes of those who will be reviewing your application (especially when it comes down to making a tough choice between two equally qualified candidates) but in the in the overall manner in which you manage your energy. That one hour of outlining, thinking, supporting/weakening, revising, editing, typing... DOES have an impact on how well you can maintain concentration throughout the next 2.5 hours.

The crucial element here: ALWAYS include AWAs in your practice CATs.
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"0" is an integer, but its neither +ve nor -ve.
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