GMAT Reading Comprehension (RC) | Re: GMATPREP ChallengeQ -According to P. F. Drucker, the managem

question 3 is hard. we do not know where to find the relevant lines. we have to reread all the passage to find. luckily, the passage is short. at the begining of the paragraph 2, we find "TQM shares with such systems the objective...". this line give us the answer, choice A.

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