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aim-wsc
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PostWed Sep 09, 2009 3:03 am

goginenivineeth wrote:
Can u tell how to buy the hard copy of flas cards? Not possible for me to study online as i dont have a lappy.
The BeattheGMAT flashcards are available for free. If you want hardcopy you can simply print them on sheets of think paper and cut these.
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PostWed Sep 09, 2009 1:51 pm

aim-wsc is correct. We don't have any hard copies available, but you can download and print yourself.

All the best,

Eric

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PostTue Oct 06, 2009 10:02 pm

These flash cards are great. I will use them to review at the end and add some of the ones I already made. Nice work!
beatthegmat wrote:
During my GMAT preparation, I made close to 300 flashcards to help me stay fresh on the strategies and materials I had studied over the course of several months. The document linked below contains the digitized version of my flashcards--please use them as a study aid.
Also, seriously consider making your own deck of flashcards for your own studies. You will be surprised by how much you commit to memory by simply writing down concepts on paper.

Best of luck!
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PostWed Oct 07, 2009 10:29 am

You're welcome, bd2009!
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valleeny
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PostMon Nov 23, 2009 7:57 am

Hi !

Thanks for the great flash cards.

I am not sure if this is a mistake.

On page 65, bottom left hand corner flash card, the example is
"Since Mieko’s average speed was 4/3 of Chan’s, her time was 4/3 as long."

Do you mean to say Mieko's average speed was actually 3/4 of Chan's, hence her time was 4/3 as long?
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PostWed Dec 09, 2009 10:10 pm

valleeny wrote:
Hi !

Thanks for the great flash cards.

I am not sure if this is a mistake.

On page 65, bottom left hand corner flash card, the example is
"Since Mieko’s average speed was 4/3 of Chan’s, her time was 4/3 as long."

Do you mean to say Mieko's average speed was actually 3/4 of Chan's, hence her time was 4/3 as long?
Well, unfortunately, I have not looked at Eric's cards yet but I can tell you that that sentence is wrong. Without knowing the rest of the problem, there are two possibly correct versions of this sentence:

"Since Mieko’s average speed was 3/4 of Chan’s, her time was 4/3 as long."

or

"Since Mieko’s average speed was 4/3 of Chan’s, her time was 3/4 as long."

Of course, I am assuming that the pronoun "her" is replacing "Mieko" and not "Chan".

Rate and time are always inversely related.

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PostThu Dec 10, 2009 4:49 pm

Hi Valleeny and Testluv,

Thanks so much guys for pointing out this error. I've just corrected the mistake on the flashcards, please feel free to re-download!

Appreciate your help,

Eric

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PostFri Dec 11, 2009 12:13 am

Hi Eric,

I was just scrolling through your flashcards. Thanks for sharing them. They seem excellent, I will dig deeper into them soon, but I had a quick question while I was scrolling.

Your flash card regarding "Backsolving" stated:
"Start with Choice ‘E’ and work back to ‘A’ when backsolving from the answer choices"

Can you please tell me why you chose this?
From Veritas, I heard to start from C, because then you know which way to go (whether up or down).
From Kaplan, I heard to start from B or D, because if you pick the right one, you might be done. I found this might not be as good as Veritas' way.

And then I read your's, if you start from the lowest or highest, wouldn't you end up doing most amount of work?

Thanks
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PostFri Dec 11, 2009 12:26 am

DestroyTheGMAT wrote:
Hi Eric,

I was just scrolling through your flashcards. Thanks for sharing them. They seem excellent, I will dig deeper into them soon, but I had a quick question while I was scrolling.

Your flash card regarding "Backsolving" stated:
"Start with Choice ‘E’ and work back to ‘A’ when backsolving from the answer choices"

Can you please tell me why you chose this?
From Veritas, I heard to start from C, because then you know which way to go (whether up or down).
From Kaplan, I heard to start from B or D, because if you pick the right one, you might be done. I found this might not be as good as Veritas' way.

And then I read your's, if you start from the lowest or highest, wouldn't you end up doing most amount of work?

Thanks
Logically speaking, starting from B or D is the score-maximizing and time-saving approach.

If you start from C, then unless the answer is actually C, it is guaranteed you will have to check another answer choice. On the other hand, if you start from B, and B is too large, then you know the answer is A. In other words, by starting at B, you have a chance of selecting the right answer without doing more work even if the answer is not B. But let's say you start from B, and it is too small. Then, check D; if D remains too small, you know the answer is E while if D is too large, you know the answer is C (b/c remember B was too small). In other words, starting at B or D is, logically, the best backsolving approach.

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PostFri Dec 11, 2009 12:55 am

Thanks Testluv! Makes sense. Which company do you instruct for?
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PostFri Dec 11, 2009 1:16 am

DestroyTheGMAT wrote:
Thanks Testluv! Makes sense. Which company do you instruct for?
Well, just look at my signature!
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PostFri Dec 11, 2009 11:37 am

Thanks guys. I think there are definitely different rules of logic that apply to backsolving. I believe when I wrote that card I was influenced by a lesson I heard somewhere that problems designed for backsolving are naturally created to waste a test takers time. Thus, if a person is naturally inclined to work from first answer to last (like working through a list), then the correct answer would tend to appear at the bottom of the list.

This is at best a hypothesis, and certainly a controversial issue. Not sure I've seen a perfect answer for backsolving strategy to date!

But thanks Testluv for sharing your two cents!

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PostFri Dec 11, 2009 12:03 pm

Thanks Eric.
Well then combining your and Kaplan's strategies together, the best way to go is answer D.
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PostFri Dec 11, 2009 12:06 pm

DestroyTheGMAT wrote:
Thanks Eric.
Well then combining your and Kaplan's strategies together, the best way to go is answer D.
Haha, what a great compromise! Smile
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PostFri Dec 11, 2009 12:15 pm

beatthegmat wrote:
Thanks guys. I think there are definitely different rules of logic that apply to backsolving. I believe when I wrote that card I was influenced by a lesson I heard somewhere that problems designed for backsolving are naturally created to waste a test takers time. Thus, if a person is naturally inclined to work from first answer to last (like working through a list), then the correct answer would tend to appear at the bottom of the list.

This is at best a hypothesis, and certainly a controversial issue. Not sure I've seen a perfect answer for backsolving strategy to date!

But thanks Testluv for sharing your two cents!
Hi Eric,

Thanks for the clarification.

I agree there are different approaches to backsolving, and strategies in general always have to be matched with the particular test-taker's proclivities and inclinations. But other things equal, in fact, starting at B or D is the best approach when the answer choices are arranged in order, and when management of the problem benefits from thinking about smallness and largeness. On the other hand, there are many situations where it makes most sense to backsolve from the answer choice that is easiest to evaluate, regardless of whether it is A, B, C, D, or E. And in many situations, because of the nature of the probelm, management of the problem won't really benefit from thinking about relative size, but will still benefit from using the answer choices.

However, there is another strategy (distinct from pure "backsolving") that involves starting from the bottom answer choice. In PS, when the question stem says "which of the following?" the test-maker knows that the majority of test-takers will start from A, then check B, then check C and so on. However, the test-maker also knows that, in these situations, many test-takers will get frustrated b/c of the time investment, and will pick either A, B or C (that is, they will pick A, B or C more than 60% of the time), and exit the question. Therefore, in these situations, the test-maker is more than 40% likely to make the correct answer D or E. Accordingly, in PS, if the question says "which of the following" and you are not sure what the correct answer is, and therefore you are going to evaluate the answer choices, begin by evaluating the bottom answer choices: E, and then D, etc.

BTW, since my last post, encouraged by the fact that there have been 100, 000 downloads, I took a look at the flashcrds, and I must say, they appear to be very helpful. Also, the excel sheet you put together where the student takes notes on each question is simply awesome!

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