DS structure

[AsadA969]

In data sufficiency,
if only YES---------->sufficient
if only NO----------->sufficient
But, if it is YES and NO simultaneously in a specific statement (say statement 1)--------------not sufficient.
To be correct answer option D, the statement 1 and 2 MUST produce answer YES-YES or NO-NO, not YES-NO or NO-YES, right Ron?
Similarly:
if it is specific value question like x=what?, the value must be same for statement 1 and statement 2 (say, if statement 1 gives x=100, statement 2 MUST give x=100, to be correct answer option D. If x=100 in statement 1 and x=99 in statement 2, then the construction of this data sufficiency is not GMAT standard!
But, My question is:
here is an specific question bellow:
Is the integer x between 8 and 13, inclusive?
1) x is a multiple of 7
2) x=6
Here, the correct answer is D because both the statements give answer NO. This one is a YES-NO question. But, my question is: In YES/NO question, should i keep the specific value same? I mean: in statement 1, x=7,14,21 (multiple of 7)......... and in statement 2, the specific value of x=6, which is not under the value of the multiple of 7.So, should it be GMAT standard? Should I write the question like below:

Is the integer x between 8 and 13, inclusive?
1) x is a multiple of 7
2) x=7
Thanks...

[RonPurewal]

if you're going to quote problems, you need to cite the original source of the problem. thank you.

yes, that first problem would fail to conform to the standards of the exam. (this isn't something that can actually help you SOLVE PROBLEMS, though... so, i'm not sure why you are worrying about it)