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ds [#permalink] New post 11 Apr 2004, 16:31
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Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
pls answer & explain:

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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 [#permalink] New post 11 Apr 2004, 16:58
Answer is C) ---6

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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 [#permalink] New post 22 May 2004, 04:48
mirhaque, can i move this to the category forum?

i hope the explanation is clear to you
  [#permalink] 22 May 2004, 04:48
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