The tens digit of positive integer X is 3. Is the units : DS Archive
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# The tens digit of positive integer X is 3. Is the units

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Director
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The tens digit of positive integer X is 3. Is the units [#permalink]

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23 Apr 2008, 07:04
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The tens digit of positive integer X is 3. Is the units digit of X greater than 4?
(1) The units digit of 2X is less than the units digit of X.
(2) The tens digit of 2X is 7.
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Director
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Re: DS - units digit [#permalink]

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23 Apr 2008, 07:17
I'm thinking D. Is this from GMATPrep?
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Re: DS - units digit [#permalink]

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23 Apr 2008, 08:44
D

For both (1) and (2):

34*2 = 68 N
35*2 = 70 Y
36*2 = 72 Y
37*2 = 74 Y
39*2 = 78 Y

Both are SUFF.
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Director
Joined: 06 Jan 2008
Posts: 555
Followers: 2

Kudos [?]: 356 [0], given: 2

Re: DS - units digit [#permalink]

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24 Apr 2008, 12:32
OA is D. Thanks

jimmyjamesdonkey wrote:
I'm thinking D. Is this from GMATPrep?

This is not from GMATPrep.
Re: DS - units digit   [#permalink] 24 Apr 2008, 12:32
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