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Senior Manager
Joined: 02 Feb 2004
Posts: 344

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11 Apr 2004, 16:31
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If X is an integer and Y= 3x + 2, which of the following can not be a divisor of Y?

a.4
b.5
c.6
d.7
e.8

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Intern
Joined: 08 Apr 2004
Posts: 37

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Location: San Fran

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11 Apr 2004, 16:58

In order for Y = 3x + 2 to be divisible by 6 it has to be divisible by both 2 and 3.

Y = 3x + 2 can never be divisible by three (when x is an integer) since 3x is divisible by three, the next number divisibly by three is 3x +- 3. (not 3x + 2).

--Hope that helps

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CEO
Joined: 15 Aug 2003
Posts: 3454

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22 May 2004, 04:48
mirhaque, can i move this to the category forum?

i hope the explanation is clear to you

Kudos [?]: 919 [0], given: 781

22 May 2004, 04:48
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