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Math Expert
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If x, y, and z are three integers, are they consecutive integers?
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03 Jan 2014, 05:21
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83% (00:40) correct 17% (00:39) wrong based on 518 sessions
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Math Expert
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Re: If x, y, and z are three integers, are they consecutive integers?
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03 Jan 2014, 05:22



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Re: If x, y, and z are three integers, are they consecutive integers?
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03 Jan 2014, 11:15
C statement 1. x=9 y=20 z=11 it can be anything.===insufficient. statement2. x<y<y. again insufficient.. both statement togather...8<9<10 or it cud be any sequence.. Sufficient. Ans is c.
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Re: If x, y, and z are three integers, are they consecutive integers?
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04 Jan 2014, 09:14
Statement (1) does not give any information about y. So, insufficient. Statement (2) tells that x<y<z; it could be 8<9<10 or 5<10<15; So, insufficient.
Both combined gives us the clue that x and z differ by 2 and that y is between x and z.
Hence, (C) is sufficient.



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Re: If x, y, and z are three integers, are they consecutive integers?
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05 Jan 2014, 10:25
Bunuel wrote: The Official Guide For GMAT® Quantitative Review, 2ND EditionIf x, y, and z are three integers, are they consecutive integers? (1) z  x= 2 (2) x < y < z Statement 1) z is greater than x by 2 , we don't know about y. Not sufficient. Statement 2) the integers need not be consecutive. Not sufficient. Combining the two statements, zx = 2 so y can to be between x and z as all are integers. Hence option C)
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Re: If x, y, and z are three integers, are they consecutive integers?
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10 Jun 2018, 07:18
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