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# For all real numbers x, #x# is the sum of all the distinct

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Intern
Joined: 08 May 2003
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For all real numbers x, #x# is the sum of all the distinct [#permalink]  18 Feb 2004, 22:09
For all real numbers x, #x# is the sum of all the distinct positive factors of x.

#18# / #6# = ?

CEO
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Re: Kaplan Question I struggled with [#permalink]  18 Feb 2004, 22:22
travish19 wrote:
For all real numbers x, #x# is the sum of all the distinct positive factors of x.

#18# / #6# = ?

hi travish19

Welcome to Gmatclub.

The distinct positive factors of 18 => 1,2,3,6,9,18 => sum = 39
The distinct positive factors of 6 => 1,2,3,6 => sum = 12

39/12 = 13/4

thanks
praetorian
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Another vote for 13/4
Intern
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Thanks! [#permalink]  19 Feb 2004, 20:29
I know where my weaknesses are and when I get something that seems abstract (#18#) I tend to freeze. I appreciate the help.
Thanks!   [#permalink] 19 Feb 2004, 20:29
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