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not sure if i am wrong .

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by hemanth28 » Sun Feb 24, 2008 8:27 am
Can some one explain the answers.
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Source: — Data Sufficiency |
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by joshi.komal » Mon Feb 25, 2008 4:46 am
Hi Hemanth,

It would be great if you could post each question separately.

It would be easier for everyone to respond and relate.

Thanks
Komal
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by gabriel » Mon Feb 25, 2008 9:44 am
Guyz please do follow forum rules .. post one question per thread ... hemanth plz do not crowd the thread with questions .. you will get a much better response by sticking to the rules.

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by hemanth28 » Sun Mar 02, 2008 11:41 am
sorry gabrial.
I was not aware of the rules.I promise i will go through them.
You want me to continue with this one or would you like me to delete ?
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by xilef » Wed Mar 05, 2008 12:42 pm
1st

The reason why A is also SUFF:

xz is even that means either x or z or both are even. If x is even, then y and z are even. If x is odd then z has to be even. So either way z is even.


2nd

The reason why B is INSUFF:

r > 100( sqrt 1.15 - 1 )
r > 7.2% doesn't answer the question is r > 8%


3rd

Look through earlier posts
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by hemanth28 » Wed Mar 05, 2008 9:15 pm
thanks a lot boss....i just cant believe such silly mistakes and i just cant believe that i didnt even realize that i made a mistake even after looking at answer :(
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