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Is N odd?

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Is N odd?  [#permalink]

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New post 11 Aug 2019, 12:45
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75% (00:50) correct 25% (00:54) wrong based on 36 sessions

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Is N odd?

(1) N is a factor of 100.

(2) N is a factor of 135.




Source: Princeton Review, Cracking the GMAT Premium 2020
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Is N odd?  [#permalink]

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New post 11 Aug 2019, 13:19
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1
(1) N is a factor of 100.

100 has both odd and even factors so N can be odd or even

1 is insufficient

(2) N is a factor of 135.

All factors of 135 are odd so N must be odd

2 is sufficient

Answer is (B)

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Re: Is N odd?  [#permalink]

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New post 12 Aug 2019, 22:50
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Xin Cho wrote:
Is N odd?

(1) N is a factor of 100.

(2) N is a factor of 135.




Source: Princeton Review, Cracking the GMAT Premium 2020


The question is straightforward so let's proceed to the statements.

Statement 1:
100 n can be 2 or 5 so insufficient.
Statement 2:
135 is odd so all factors of 135 must be odd. Sufficient.
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Re: Is N odd?   [#permalink] 12 Aug 2019, 22:50
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