LSAT-4-1-25

jerryz · 发表于 2004-1-7 11:47:00

Because of the recent transformation of the market. Quore, Inc., must increase productivity, 10 percent over the course of the next two years, or it will certainly go bankrupt. In fact, however, Quore’s production structure is such that if a 10 percent productivity increase is possible, then a 20 percent increase is attainable.
If the statements above are true, which one of the following must on the basis of them also be true?
(A) It is only Quore’s production structure that makes it possible for Quore to survive the transformation of the market.
(B) Quore will not go bankrupt if it achieves a productivity increase of 20 percent over the next two years.
(C) If the market had not been transformed, Quore would have required no productivity increase in order to avoid bankruptcy.
(D) Because of the transformation of the market, Quore will achieve a productivity increase of 10 percent over the next two years.
(E) If a 20 percent productivity increase is unattainable for Quore, then it must go bankrupt.

The answer is E. Why not B?

mindfree · 发表于 2004-1-7 12:05:00

This question was discussed before. B is wrong because 20% is not a sufficient condition, but a required condition. A-->B not equal to B-->A. A simple example: People will die if they do not eat. The statement is true. But if I changed the statement like B, it might not be true: if people eat, they will not die.

crusaders · 发表于 2004-1-8 19:31:00

http://forum.chasedream.com/dispbbs.asp?BoardID=24&replyID=233870&id=30745&star=1&skin=0

LSAT-4-1-25

LSAT-4-1-25

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