Advertisement: For sinus pain, three out of four hospitals give their patients Novex. So when you want the most effective painkiller for sinus pain, Novex is the one to choose.

Which of the following, if true, most seriously undermines the advertisement’s argument?

(A) Some competing brands of painkillers are intended to reduce other kinds of pain in addition to sinus pain.
(B) Many hospitals that do not usually use Novex will do so for those patients who cannot tolerate the drug the hospitals usually use.
(C) Many drug manufacturers increase sales of their products to hospitals by selling these products to the hospitals at the lowest price the manufacturers can afford.
(D) Unlike some competing brands of painkillers, Novex is available from pharmacies without a doctor’s prescription.
(E) In clinical trials Novex has been found more effective than competing brands of painkillers that have been on the market longer than Novex.
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Cheers, Rahul.

Premise
1) 3 out of 4 hospital prescribe Novex for sinus pain

Conclusion
2) Novex is the most effective painkiller fo sinus pain

To undermine the argument, find a choice that says Novex is not the most effective, or some other drug is equally effective

(A) - irrelevant
(B) - still doesn't say Novex is not the most effective
(C) - gives us a reason why Novex is used. Cost is purely the reason for their usage, not effectiveness
(D) - irrelevant
(E) - does not undermine arguemnt

C is the best choice.

go C go....

This is definetly C.

We need another reason why 3 out of 4 hospitals are recommending the product. C tells us that the maufacturer reduces the price to hospitals...which makes sense why the hospitals use it.

I think it's C too.
It assigns a reason for why hospitals are using this drug which is other than the drug's effectiveness.

its D)...read my explanation => http://www.gmatclub.com/phpbb/viewtopic.php?t=15371&highlight=novex
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If your mind can conceive it and your heart can believe it, have faith that you can achieve it.

Most hospitals use Novex. So Novex is the most effective painkiller for sinus pain.
This is faulty reasoning by gratuitous assumption.

Ask for weakening. (Perhaps the reason most hospitals use Novex is not because it is the most effective. Perhasp there's other reasons?)

(A) Some competing brands of painkillers are intended to reduce other kinds of pain in addition to sinus pain.
Yes, so? We are only concerned with sinus pain here. Can't rebuke the claim.

(B) Many hospitals that do not usually use Novex will do so for those patients who cannot tolerate the drug the hospitals usually use.
That means Novex's pretty good isn't it?

(C) Many drug manufacturers increase sales of their products to hospitals by selling these products to the hospitals at the lowest price the manufacturers can afford.
Perhaps the reason hospitals like to use it is because it is so cheap to the hospitals.

(D) Unlike some competing brands of painkillers, Novex is available from pharmacies without a doctor’s prescription.
Yes. And hospitals like to use it too. Shouldn't you also use it?

(E) In clinical trials Novex has been found more effective than competing brands of painkillers that have been on the market longer than Novex.
This one strongly supports the claim.


(D)
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Keep on asking, and it will be given you;
keep on seeking, and you will find;
keep on knocking, and it will be opened to you.

Sorry I meant C.
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Keep on asking, and it will be given you;
keep on seeking, and you will find;
keep on knocking, and it will be opened to you.

OA is D guys!!
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Cheers, Rahul.

I don't understand.

What we are talking about is Novax used in hospitals, not in pharmacies.

Somebody please explain.
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Auge um Auge, Zahn um Zahn !