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aragonn
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aragonn Ouch :) :(
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aragonn
If j and k are positive integers, is 6 a factor of j?

(1) 6 is a factor of jk.

(2) 6 is not a factor of k.

Both statements are satisfied by j=6 and k=1.
In this case, the answer to the question stem is YES.
Both statements are satisfied by j=3 and k=2.
In this case, the answer to the question stem is NO.
Since the answer is YES in the first case but NO in the second case, the two statements combined are INSUFFICIENT.

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Question simplified: Can an "inventory" of j fulfill an "order" of (6 = 2*3)?

(1) An inventory of j*k can fulfill an order of 2*3
Great, but we only have j in stock... [ELIMINATE A,D]

(2) An inventory of k cannot fulfill an order of 2*3
Wrong store... [ELIMINATE B]

(3) = (1) + (2)
i) Neither store alone will make the customer happy, but together they sure will!
i.e. (j = 2)*(k = 3)
ii) j doesn't need k's help, but k is family after all...
i.e. (j = 2*3)*(k = 3)

Lesson learned: Family adds confusion... not answers
[ANSWER = E]

aragonn
If j and k are positive integers, is 6 a factor of j?

(1) 6 is a factor of jk.

(2) 6 is not a factor of k.
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