Hi,

What is the source for this question. I agree the argument itself is quite confusing, I wonder if it's an 'official' question.
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Its bit difficult but i managed to get correct answer.

If regretting is justified than do not do it. Similarly many foregone pleasure is regrettable than do not do it.You have to find an assumption.

Only option choice that remains as contenders are
B and D
When negation done on B it strengthens or repeats the implication conclusion. Hence the answer is D.

PS: the question was taken from some CR questions I had downloaded from the GMAT club site.

Hi askar29 and all,

First off, this is not a GMAT questions, it's from LSAT. Doing questions like these could jumble up your concepts and the language is very different from the usual GMAT questions. LSAT makes the language convoluted by using multiple "nots" in the questions.

Although this question is an assumption question, it requires an understanding of formal logic and conditional statements. If you know these things, the question is not a difficult one.

premise : if X(something would have been justifiably regretted ) is true then Y( it is something that one should not have desired in the first place) is recommended
conclusion: Y(many forgone pleasures should not have been desired in the first place) is recommended
assumption: X is true = Option D bridges the missing link.

Premise: X --> Y
Conclusion: Z(forgone pleasures) --> Y
Assumption (the missing link): Z --> X

if you include the assumption the argument becomes

Z --> X, X --> Y ==> Z --> Y

Moreover, there is not mention of forgone pleasures in the premise but the conclusion uses it. So, you need to find an answer which links the 'forgone pleasure' to the conclusion.

Negation of D would be "Many forgone pleasures would not have been justifiably regretted"

If forgone pleasures are not justifiably regretted then they become something that can be desired in the first place. This destroys the conclusion which says that "Many forgone pleasures many should not have been desired in the first place"

Again avoid these questions(LSAT) if you are preparing for GMAT; they may unnecessarily confuse you. Not because they are difficult, but because they are different.

Hope that helps,

Vercules
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Hi aiha29,

I think you have just started your prep, if yes then restrict yourself to the study material that you are using and the official questions.

The official sources are OG 12, 13, Verbal Review, Quant Review, GMAT Prep questions. You will find LSAT questions in unofficial sources such as 1000 SC etc.. First of all you will usually not get an LSAT question in good GMAT courses/ study materials. But if at all you feel the need to find, you can do an internet search for the question. As almost all the LSAT released, an internet search for an LSAT question would list it in LSAT books/ forums.

In the initial phase of your study for GMAT, you should restrict yourself to the official questions/ explanations; gradually, you will yourself develop a sense of GMAT questions and would easily determine that a question is not GMAT like.

Vercules,
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