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If S is a set of ten consecutive integers, is the integer 5

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Joined: 15 Jul 2008
Posts: 52

Kudos [?]: 56 [0], given: 2

If S is a set of ten consecutive integers, is the integer 5 [#permalink]

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New post 09 Sep 2008, 07:37
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If S is a set of ten consecutive integers, is the integer 5 in S?

(1) The integer –3 is in S.

(2) The integer 4 is in S.

Kudos [?]: 56 [0], given: 2

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Joined: 07 Nov 2007
Posts: 1790

Kudos [?]: 1102 [0], given: 5

Location: New York
Re: DS: is the integer 5 in S? [#permalink]

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New post 09 Sep 2008, 07:43
fiesta wrote:
If S is a set of ten consecutive integers, is the integer 5 in S?

(1) The integer –3 is in S.

(2) The integer 4 is in S.


1)
-12 , -11...... -3
-3,-2,-1,0,1,2,3,4,5,6
insuffcient
2)
-5,-4,-3,-2,-1,0,1,2,3,4
-3,-2,-1,0,1,2,3,4,5,6
insuffcient
combined
same as (2)


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Kudos [?]: 1102 [0], given: 5

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Joined: 17 Jun 2008
Posts: 1530

Kudos [?]: 282 [0], given: 0

Re: DS: is the integer 5 in S? [#permalink]

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New post 09 Sep 2008, 09:19
E.

Stmt 1: All the integers in set can be smaller than -3. In this case, S will not have 5. Or, the set can have the starting integer as -3. In this case, S will have 5. Hence, insufficient.

Stmt 2: Integer 4 can be the last integer in S. Hence, 5 will not be in S. Or, 4 can be the starting integer and 5 will be in S. Hence, insufficient.

Combining the two also will give two different results.

Kudos [?]: 282 [0], given: 0

Re: DS: is the integer 5 in S?   [#permalink] 09 Sep 2008, 09:19
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If S is a set of ten consecutive integers, is the integer 5

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