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# x, y, a, and b are positive integers. When x is divided by

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Director
Joined: 01 May 2007
Posts: 794
Followers: 1

Kudos [?]: 122 [0], given: 0

x, y, a, and b are positive integers. When x is divided by [#permalink]  21 Jun 2008, 12:04
x, y, a, and b are positive integers. When x is divided by y, the remainder is 6. When a is divided by b, the remainder is 9. Which of the following is NOT a possible value for y + b?
24
21
20
17
15
Senior Manager
Joined: 26 Mar 2008
Posts: 341
Location: Washington DC
Followers: 2

Kudos [?]: 41 [0], given: 4

Re: MGMAT Problem 3. [#permalink]  21 Jun 2008, 12:24
ans is E, 15.
a/b gives reminder =9, means b is greater than 9.
x/y gives reminder=6, means y is greater than 6.
So Y+B should be greater than 9+6=15.
Let me know if I am correct.
Director
Joined: 23 Sep 2007
Posts: 794
Followers: 5

Kudos [?]: 101 [0], given: 0

Re: MGMAT Problem 3. [#permalink]  21 Jun 2008, 12:34
same solution as above, E
Re: MGMAT Problem 3.   [#permalink] 21 Jun 2008, 12:34
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