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counting methods

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by knight247 » Sat Sep 17, 2011 10:26 pm
@Brent

Awesome logic. Thanks a ton. If you don't mind could you post a few difficult problems that could be solved using this method? Just hoping to get a good hang of this method.

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by saketk » Sun Sep 18, 2011 3:28 am
Brent@GMATPrepNow wrote:
Fractal wrote: but i don't know any other gmat problems which need this formula....
Here's a question (and solution) that I posted a long time ago that requires a similar approach: https://www.beatthegmat.com/very-tricky- ... 25349.html

Cheers,
Brent
Hi Brent -- I solved the question you posted under the given link. Can you please check my method?
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by Brent@GMATPrepNow » Sun Sep 18, 2011 7:12 am
knight247 wrote:@Brent

Awesome logic. Thanks a ton. If you don't mind could you post a few difficult problems that could be solved using this method? Just hoping to get a good hang of this method.

Cheers
Hi knight247,

I'm very reluctant to post more questions that require this solution strategy, since I firmly believe that they're beyond the scope of the GMAT.

I have posted one more question (at https://www.beatthegmat.com/tricky-count ... tml#407327) with the strong proviso that it is beyond the scope of the GMAT.

Cheers,
Brent
Brent Hanneson - Creator of GMATPrepNow.com
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