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Director
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Could the statement" not all of Kreemo's competitors use Colombian coffee beans in the blends of coffee they sell " be translated to
" Some of Kreemo's competitors use Colombian coffee beans in the blends of coffee they sell " ???
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joemama142000 wrote: Could the statement" not all of Kreemo's competitors use Colombian coffee beans in the blends of coffee they sell " be translated to
" Some of Kreemo's competitors use Colombian coffee beans in the blends of coffee they sell " ???
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joemama142000 wrote: Could the statement" not all of Kreemo's competitors use Colombian coffee beans in the blends of coffee they sell " be translated to
" Some of Kreemo's competitors use Colombian coffee beans in the blends of coffee they sell " ???
Some means at least one and perhaps all. If at least one or perhaps all of Kreemo's competitors use Columbian coffee beans then wouldn't that strengthen the argument?
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joemama142000 wrote: joemama142000 wrote: Could the statement" not all of Kreemo's competitors use Colombian coffee beans in the blends of coffee they sell " be translated to
" Some of Kreemo's competitors use Colombian coffee beans in the blends of coffee they sell " ??? Some means at least one and perhaps all. If at least one or perhaps all of Kreemo's competitors use Columbian coffee beans then wouldn't that strengthen the argument? if "not all" means "some", how can "some" means "perhaps all" ?
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Director
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This is from NOva's GMAT
Some means " at least one and perhaps all"
Ex.
"Some of Mary's friends went to the party"
" it would be unwarranted , based on this statement , to assume that some of Mary's friends did not go to the party. Althought it may seem decieving to say that some of Mary's friends went to the party when in fact all of them did, it is nonetheless technically consistent with the meaning of some"
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joemama142000 wrote: This is from NOva's GMAT
Some means " at least one and perhaps all"
Ex.
"Some of Mary's friends went to the party"
" it would be unwarranted , based on this statement , to assume that some of Mary's friends did not go to the party. Althought it may seem decieving to say that some of Mary's friends went to the party when in fact all of them did, it is nonetheless technically consistent with the meaning of some"
but thats different. "not all" means "some" means "not perhaps all", but "some" without the condition that it means "not all" may mean "perhaps all" !
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Director
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now im all confused 
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joemama142000 wrote: now im all confused when you say that "some" went to the party, it leaves the possibility open that "perhaps all" went to the party. but when u know that "not all" went to the party, u can say that "some" went to the party but u cannot say that "perhaps all" went to the party because u have the pre-evidence that "not all" went to the party . the difference between the 1st and the 2nd example is that the 2nd one has a restriction "not all" while the 1st one has not.
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Director
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thanks christoph
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I would go with C.
If Kreemo sells more coffee than any other company in that case it needs to buy more Colombian beans to add it to its blends. Hence the conclusion is negated in this case. Hence the conclusion is flawed only if is 'C' true.
What say?
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This is a prime example of an error type - absolute value vs. relative value.
The absolute value does not guarantee the relative value.
Thus (C) should be the answer.
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Straight C. Kreemo sells more coffee, so who`s to say that they don`t "water down" the amount of Colombian coffee sold in each bag???? We are given ambiguous statistics, so just because Kreemo buys the most doesn`t necessarily mean that they blend their brands with the highest proportions.
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Hey christoph, nice explanation there. Thanks 
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This is a classical GMAT question, I would suggest everybody remember it.
Premise: The more Colombian beans in a blend of coffee, the better the blend.
Fact: Kreemo Coffee purchases more Colombian beans than anybody else.
Conclusion: Kreemo Coffee is the best.
Assumption to fill the jump in the logic: K buys more of C beans, so K must put more C beans in its blend of coffee, so K's coffee is the best.
The flaw is that K may buy more C beans, but it may not put more C beans in its blend of coffee. If it produces a lot more coffee than anybody else, then it may put less C beans in each unit of its coffee.
This is why C is correct.
(B) not all of Kreemo's competitors use Colombian coffee beans in the blends of coffee they sell
This is not a flaw in the logic. If the more C beans the better your coffee are, for those competitiors who don't use C beans we know for sure their coffee is not good. It flows with logic and does not contradict with the conclusion that K's coffee is the best.
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Thanks HongHu...that makes sense
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C should be.
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