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LSAT question example 3: The Calculus
Another LSAT question! This one is very translatable to the GMAT. As you can see it is one of the first 16 questions and it is one of the major question types on the GMAT. These are characteristics of questions that are good to study (see LSAT to Study GMAT part 2 https://www.beatthegmat.com/lsat-to-stud ... 69915.html).
Source: Official LSAT from June 2000, question 14 of section 2. Question found in "The Next 10 Actual , Official LSAT PrepTests" copyright Law School Admissions Council, 2004, page 84.
"14. Historian: Leibniz, the seventeenth- century philosopher, published his version of calculus before Newton did. But then Newton revealed his private notebooks, which showed he had been using these ideas for at least a decade before Leibniz's publication. Newton also claimed that he had disclosed these ideas to Leibniz in a letter shortly before Leibniz's publication. Yet close examination of the letter shows that Newton's few cryptic remarks did not reveal anything important about calculus. Thus, Leibniz and Newton each independently discovered calculus.
Which one of the following is an assumption required by the historian's argument?
A) Leibniz did not tell anyone about calculus prior to publishing his version of it.
B) No third person independently discovered calculus prior to Newton and Leibniz.
C) Newton believed that Leibniz was able to learn something important about calculus from his letter to him.
D) Neither Newton nor Leibniz knew that the other had developed a version of calculus prior to Leibniz publication.
E) Neither Newton nor Leibniz learned crucial details about calculus from some third source."
Let me give you a tip as you take a shot at this one...
This is another example where you should take the admonition that "conclusion is king," meaning that while the premises are often background information that does not need to be obsessed about, EVERY word on the conclusion could be important.
Official Answer and explanation after a little discussion!
Good Luck!
Another LSAT question! This one is very translatable to the GMAT. As you can see it is one of the first 16 questions and it is one of the major question types on the GMAT. These are characteristics of questions that are good to study (see LSAT to Study GMAT part 2 https://www.beatthegmat.com/lsat-to-stud ... 69915.html).
Source: Official LSAT from June 2000, question 14 of section 2. Question found in "The Next 10 Actual , Official LSAT PrepTests" copyright Law School Admissions Council, 2004, page 84.
"14. Historian: Leibniz, the seventeenth- century philosopher, published his version of calculus before Newton did. But then Newton revealed his private notebooks, which showed he had been using these ideas for at least a decade before Leibniz's publication. Newton also claimed that he had disclosed these ideas to Leibniz in a letter shortly before Leibniz's publication. Yet close examination of the letter shows that Newton's few cryptic remarks did not reveal anything important about calculus. Thus, Leibniz and Newton each independently discovered calculus.
Which one of the following is an assumption required by the historian's argument?
A) Leibniz did not tell anyone about calculus prior to publishing his version of it.
B) No third person independently discovered calculus prior to Newton and Leibniz.
C) Newton believed that Leibniz was able to learn something important about calculus from his letter to him.
D) Neither Newton nor Leibniz knew that the other had developed a version of calculus prior to Leibniz publication.
E) Neither Newton nor Leibniz learned crucial details about calculus from some third source."
Let me give you a tip as you take a shot at this one...
This is another example where you should take the admonition that "conclusion is king," meaning that while the premises are often background information that does not need to be obsessed about, EVERY word on the conclusion could be important.
Official Answer and explanation after a little discussion!
Good Luck!












