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how am contracdicting original statement.goyalsau wrote:I think answer should be C.
Because in Gmat two statement's can not contradict each other......
If you take production change as Zero ( or No change ) you are contradicting with the facts given in the statement
What's is the OA?
I think you want to say that nothing about the overhead cost (instead of the production cost) was mentioned in statement 2.girishbtg wrote:how am contracdicting original statement.goyalsau wrote:I think answer should be C.
Because in Gmat two statement's can not contradict each other......
If you take production change as Zero ( or No change ) you are contradicting with the facts given in the statement
What's is the OA?
It is never said that Production change is a MUST
ronaldramlan wrote:I think you want to say that nothing about the overhead cost (instead of the production cost) was mentioned in statement 2.girishbtg wrote:how am contracdicting original statement.goyalsau wrote:I think answer should be C.
Because in Gmat two statement's can not contradict each other......
If you take production change as Zero ( or No change ) you are contradicting with the facts given in the statement
What's is the OA?
It is never said that Production change is a MUST
Exactly, that's why you don't know whether there was change in overhead cost in January compared with that in the months before.
goyalsau addressed your original question by saying that we cannot make any assumptions when solving the problem. Putting an assumption that there was no change in the overhead cost to help solve the problem is actually against of what you said earlier that there is no information about change in the overhead cost.
WHY CAN'T WE JUST TAKE THIS CHANGE ( cHange in Production Cost ) AS ZERO i.e. NO CHANGE
Just because we don't know whether or not there was a change in the overhead cost does NOT mean that there was NO change at all.
I hope this can clarify your doubts.
Data assumption questions never force you to make assumptions - in fact, the exact opposite is true: data sufficiency questions punish you for making assumptions.girishbtg wrote:
but still 1 percent doubt is there such ques that force us to assume ... i will be cautious in future but then some times GMAC force us to find ans with mininmum requirement.... using odd methods .. ie hit and trial... and then say Ans can be found with say ONLY A ONLY B i.e. NO C where both of them required...
Thanks a Ton Stuart....!Stuart Kovinsky wrote:Data assumption questions never force you to make assumptions - in fact, the exact opposite is true: data sufficiency questions punish you for making assumptions.girishbtg wrote:
but still 1 percent doubt is there such ques that force us to assume ... i will be cautious in future but then some times GMAC force us to find ans with mininmum requirement.... using odd methods .. ie hit and trial... and then say Ans can be found with say ONLY A ONLY B i.e. NO C where both of them required...
It's only in very rare cases that you need to bring in knowledge of the outside world to answer questions, and the knowledge you bring in is something that's always true in the real world.
For example, if you're being asked about the number of boys in a class, the answer will always be a non-negative integer (because you can't have half a person or a negative number of people).
But other than those basic common sense exceptions, go by this basic rule: if a DS question doesn't tell me something, I don't know anything.
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