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Number property

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Manager
Joined: 02 Sep 2008
Posts: 103

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25 Mar 2009, 22:08
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If n = 3k, is k an integer?
(1) n is an integer.
(2) n/6 is an integer.
A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is
sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.
Manager
Joined: 09 Nov 2008
Posts: 148

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26 Mar 2009, 01:37
B

(1) n can be integer (n=3/k=1) or non-integer (n=1/k=1/3)
(2) n must be a multiple of 6, thus k must be integer.
Re: Number property   [#permalink] 26 Mar 2009, 01:37
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