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# If a and b are positive integers, what is the value of a + b

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Manager
Joined: 02 Sep 2008
Posts: 102
If a and b are positive integers, what is the value of a + b  [#permalink]

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29 Mar 2009, 18:33
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If a and b are positive integers, what is the value of a + b ?

(1) a/b = 5/8
(2) The greatest common divisor of a and b is 1.

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Joined: 04 May 2006
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29 Mar 2009, 23:43
milind1979 wrote:
If a and b are positive integers, what is the value of a + b ?

(1) a/b = 5/8
(2) The greatest common divisor of a and b is 1.

C

GCD of a and b is 1, a and b must be 5 and 8 respectively. a+b=13 suff
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30 Mar 2009, 12:03
true.
whats the OA?is it C?

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Re: DS....1 &nbs [#permalink] 30 Mar 2009, 12:03
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