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# If x, y and z are 3 integers, are they consecutive ? 1)

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Manager
Joined: 12 Mar 2003
Posts: 59
Followers: 1

Kudos [?]: 1 [0], given: 0

If x, y and z are 3 integers, are they consecutive ? 1) [#permalink]  12 May 2003, 12:45
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0% (00:00) correct 0% (00:00) wrong based on 1 sessions
If x, y and z are 3 integers, are they consecutive ?

1) z-x=2
2) x<y<z
GMAT Club Legend
Joined: 07 Jul 2004
Posts: 5079
Location: Singapore
Followers: 21

Kudos [?]: 180 [0], given: 0

1) Only tells us z and x are two apart. No information about y. Insufficient.
2) Only tells us the integers can be arragned in increasing order (x,y,z). No information they are consecutive. Insufficient.

Using 1) and 2),
we can tell x is 2 places below z. since x, y and z are integers and y is between x and z, the order must be x,y,z each 1 place apart. Sufficient.

Ans C
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