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If the fraction d were converted into a decimal, would there

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If the fraction d were converted into a decimal, would there be more than 3 nonzero digits to the right of the decimal point?

(1) The denominator of d is exactly 8 times the numerator of d.
(2) If d were converted into a decimal, d would be a non-repeating decimal.
[Reveal] Spoiler: OA

Last edited by Bunuel on 10 Dec 2012, 05:12, edited 1 time in total.
Renamed the topic.
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If the fraction d were converted into a decimal, would there be more than 3 nonzero digits to the right of the decimal point?

Let \(d=\frac{x}{y}\).

(1) The denominator of d is exactly 8 times the numerator of d. Given that \(y=8x\), thus \(d=\frac{x}{8x}=\frac{1}{8}=0.125\). Sufficient.

(2) If d were converted into a decimal, d would be a non-repeating decimal. Clearly insufficient, for example d could be 0.1 or 0.1234. Not sufficient.

Answer: A.

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New post 10 Dec 2012, 05:44
Thanks bunuel - but is 0.1 a non repeating decimal?

I am actually confused & assumed pie (3.14...) as my example and marked D.
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New post 10 Dec 2012, 05:52
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Re: If the fraction d were converted into a decimal, would there   [#permalink] 22 Dec 2016, 16:12
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