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Does the decimal equivalent of P/Q, where P and Q are

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Does the decimal equivalent of P/Q, where P and Q are [#permalink] New post 26 Oct 2007, 23:34
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Does the decimal equivalent of P/Q, where P and Q are positive integers, contain only a finite number of nonzero digits?

(1) P>Q
(2) Q=8
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 [#permalink] New post 27 Oct 2007, 00:04
the answer is (B)

statement 1

can be 8/3 or 9/2

insufficient

statement 1

q is even

sufficient

:)
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Re: DS: Set 24 Q 26 [#permalink] New post 27 Oct 2007, 01:54
sidbidus wrote:
Does the decimal equivalent of P/Q, where P and Q are positive integers, contain only a finite number of nonzero digits?

(1) P>Q
(2) Q=8


B - We need info (even/odd) on denominator to answer the question, which B provides
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 [#permalink] New post 27 Oct 2007, 10:53
Even I thought it should be (B) but ans given is (E)
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 [#permalink] New post 27 Oct 2007, 10:57
sidbidus wrote:
Even I thought it should be (B) but ans given is (E)


I don't think E is correct. B holds. 1/8 = 0.125. You can multiply 0.125 by an positive integer and you will always get a finite number of non-zero entities in the resultant.
  [#permalink] 27 Oct 2007, 10:57
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