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If, in a tennis tournament, a match reaches a fifthset tiebreak, the [#permalink]
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01 Nov 2009, 03:50
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If, in a tennis tournament, a match reaches a fifthset tiebreak, the lowerranked player always loses the tiebreak (and, therefore, the match). If Rafael, the secondranked player, wins a tournament by beating Roger, the topranked player, then the match must not have included a fifthset tiebreak. Which of the following arguments most closely mimics the reasoning used in the above argument? (A) If a woman with a family history of twins gets pregnant three times, she will have one set of twins. Jennifer, who falls into this category, had two sets of twins, so she must not have gotten pregnant exactly three times. (B) If a salesman sells more product than anyone else in a calendar year, then he will earn an allexpensespaid vacation. Joe earned an allexpensepaid vacation, so he must have sold more product than anyone else for the year. (C) A newspaper can charge a 50% premium for ads if its circulation surpasses 100,000; if the circulation does not pass 100,000, therefore, the newspaper can't charge any kind of premium for ads. (D) If a student is in the top 10% of her class, she will earn a college scholarship. Anna is not in the top 10% of her class, so she will not earn a scholarship. (E) All of the players on a football team receive a cash bonus if the team wins the Super Bowl. If quarterback Tom Brady earned a cash bonus last year, he must have been a member of the winning Super Bowl team.
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Last edited by hazelnut on 16 Sep 2017, 22:59, edited 2 times in total.
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Re: If, in a tennis tournament, a match reaches a fifthset tiebreak, the [#permalink]
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Question: A = fifth set tiebreak B = low rank player lose
If rafael wins = not B then no fifth set tiebreak = not A
If A then B, if not B then not A
a) A = family history of twins get pregnant 3 times B = one set of twins Jennifer had two set of twins = not B not have gotten pregnant three times = not A If A then B, if not B then not A this is the answer
b) A = sells more product than anyone else B = vacation If A then B, if B then A so out
c) A = if circulation > 100k B = charge 50% premium If A then B, if not A then not B also out
d) A = top 10% in class B = scholarship If A then B, if not A then not B out
e) assumption is based on all the players receiving cash bonus and not just an individual out



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If, in a tennis tournament, a match reaches a fifthset [#permalink]
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23 Feb 2010, 01:38
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If, in a tennis tournament, a match reaches a fifthset tiebreak, the lowerranked player always loses the tiebreak (and, therefore, the match). If Rafael, the secondranked player, wins a tournament by beating Roger, the topranked player, then the match must not have included a fifthset tiebreak. Which of the following arguments most closely mimics the reasoning used in the above argument? 1) If a woman with a family history of twins gets pregnant three times, she will have one set of twins. Jennifer, who falls into this category, had two sets of twins, so she must not have gotten pregnant exactly three times. 2) If a salesman sells more product than anyone else in a calendar year, then he will earn an allexpensespaid vacation. Joe earned an allexpensepaid vacation, so he must have sold more product than anyone else for the year. 3) A newspaper can charge a 50% premium for ads if its circulation surpasses 100,000; if the circulation does not pass 100,000, therefore, the newspaper can't charge any kind of premium for ads. 4) If a student is in the top 10% of her class, she will earn a college scholarship. Anna is not in the top 10% of her class, so she will not earn a scholarship. 5) All of the players on a football team receive a cash bonus if the team wins the Super Bowl. If quarterback Tom Brady earned a cash bonus last year, he must have been a member of the winning Super Bowl team. Try it yourself and then see the explanation below !!! Answer (A) The structure of the argument is If, A [in a tennis tournament, a match reaches a fifthset tiebreak,] then B [the lowerranked player always loses the tiebreak (and, therefore, the match)]. If NOT B [Rafael, the secondranked player, wins a tournament by beating Roger, the topranked player,] then NOT A [then the match must not have included a fifthset tiebreak.] So, we are looking for a structure similar to If A then B. If not B, then not A. Answer 1 most closely matches the structure If A then B. If not B, then not A. HOPE This helps !!! Consider Awarding KUDOS if you like the post !!!
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Re: If, in a tennis tournament, a match reaches a fifthset tiebreak, the [#permalink]
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21 Mar 2011, 01:24
The answer is A. Reasoning mode is if X happens, then Y happens. Since Y did not happen, so X too could not have happened. Only A is like this.
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Re: If, in a tennis tournament, a match reaches a fifthset tiebreak, the [#permalink]
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01 May 2011, 05:07
If A then B, if not B then not A this is the answer i got this right but took me 4:32 minutes, thanks for providing the template .
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Re: If, in a tennis tournament, a match reaches a fifthset tiebreak, the [#permalink]
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24 May 2011, 23:19
choice is between A,C and D. C and D are exactly the same. A differs in the point that as the second seeded player wins the match,so too the mother has two sets of twins rather than not being in top 10% as in D or not selling past 100k mark. Thus A scores at this.
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Re: If, in a tennis tournament, a match reaches a fifthset tiebreak, the [#permalink]
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02 Jun 2011, 00:33
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+1 A Notice tha there is a flaw in the reasoning of the original argument: The statistics of the past will determine what will happen in the future. But we know that that's not true. The rest of the arguments don't have that flaw. Most of them have a causeeffect argument.
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Re: If, in a tennis tournament, a match reaches a fifthset tiebreak, the [#permalink]
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16 Sep 2011, 02:59
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LevFin7S wrote: Question: A = fifth set tiebreak B = low rank player lose
If rafael wins = not B then no fifth set tiebreak = not A
If A then B, if not B then not A
a) A = family history of twins get pregnant 3 times B = one set of twins Jennifer had two set of twins = not B not have gotten pregnant three times = not A If A then B, if not B then not A this is the answer
b) A = sells more product than anyone else B = vacation If A then B, if B then A so out
c) A = if circulation > 100k B = charge 50% premium If A then B, if not A then not B also out
d) A = top 10% in class B = scholarship If A then B, if not A then not B out
e) assumption is based on all the players receiving cash bonus and not just an individual out good explaination.... I choose A based on same logic
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Re: If, in a tennis tournament, a match reaches a fifthset tiebreak, the [#permalink]
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18 Sep 2011, 02:06
The structure of the argument is
If, A [in a tennis tournament, a match reaches a fifthset tiebreak,] then B [the lowerranked player always loses the tiebreak (and, therefore, the match)]. If NOT B [Rafael, the secondranked player, wins a tournament by beating Roger, the topranked player,] then NOT A [then the match must not have included a fifthset tiebreak.]
So, we are looking for a structure similar to If A then B. If not B, then not A.
4) If A [a student is in the top 10% of her class], then B [she will earn a college scholarship.] Not A [Anna is not in the top 10% of her class], then not B [so she will not earn a scholarship.]
Structure: If A then B. Not A then not B. Not what we are looking for.
Answer 1 most closely matches the structure If A then B. If not B, then not A.



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If, in a tennis tournament, a match reaches a fifthset tiebreak, the [#permalink]
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If, in a tennis tournament, a match reaches a fifthset tiebreak, the lowerranked player always loses the tiebreak (and, therefore, the match). If Rafael, the secondranked player, wins a tournament by beating Roger, the top ranked player, then the match must not have included a fifthset tiebreak. Which of the following arguments most closely mimics the reasoning used in the above argument? A. If a woman with a family history of twins gets pregnant three times, she will have one set of twins. Jennifer, who falls into this category, had two sets of twins, so she must not have gotten pregnant exactly three times. B. If a salesman sells more product than anyone else in a calendar year, then he will earn an allexpensespaid vacation. Joe earned an allexpensepaid vacation, so he must have sold more product than anyone else for the year. C. A newspaper can charge a 50% premium for ads if its circulation surpasses 100,000; if the circulation does not pass 100,000, therefore, the newspaper can’t charge any kind of premium for ads. D. If a student is in the top 10% of her class, she will earn a college scholarship. Anna is not in the top 10% of her class, so she will not earn a scholarship. E. All of the players on a football team receive a cash bonus if the team wins the Super Bowl. If quarterback Tom Brady earned a cash bonus last year, he must have been a member of the winning Super Bowl team
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Re: If, in a tennis tournament, a match reaches a fifthset tiebreak, the [#permalink]
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souvik101990 wrote: If, in a tennis tournament, a match reaches a fifthset tiebreak, the lowerranked player always loses the tiebreak (and, therefore, the match). If Rafael, the secondranked player, wins a tournament by beating Roger, the top ranked player, then the match must not have included a fifthset tiebreak. Which of the following arguments most closely mimics the reasoning used in the above argument?
A. If a woman with a family history of twins gets pregnant three times, she will have one set of twins. Jennifer, who falls into this category, had two sets of twins, so she must not have gotten pregnant exactly three times. B. If a salesman sells more product than anyone else in a calendar year, then he will earn an allexpensespaid vacation. Joe earned an allexpensepaid vacation, so he must have sold more product than anyone else for the year. C. A newspaper can charge a 50% premium for ads if its circulation surpasses 100,000; if the circulation does not pass 100,000, therefore, the newspaper can’t charge any kind of premium for ads. D. If a student is in the top 10% of her class, she will earn a college scholarship. Anna is not in the top 10% of her class, so she will not earn a scholarship. E. All of the players on a football team receive a cash bonus if the team wins the Super Bowl. If quarterback Tom Brady earned a cash bonus last year, he must have been a member of the winning Super Bowl team If A > B If Not B > Not A On the same line, If a woman with a family history of twins gets pregnant three times  A she will have one set of twins  B Jennifer had two sets of twins  Not B so she must not have gotten pregnant exactly three times  Not A Hence, Answer is A



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Re: If, in a tennis tournament, a match reaches a fifthset tiebreak, the [#permalink]
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04 May 2015, 01:59
The key point in the structure is
If X happens then Y happens to Rafael, i.e. he loses. Rafael did not lose, therefore, X must have not happened.
Only option A has the same structure, i.e. If somebody in a family gets pregnant three times (X) then one pair of twins happen(Y). Jennifer did not have one pair of twins (she has 2) so she must not have got pregnant 3 times (X must not have happened).



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Re: If, in a tennis tournament, a match reaches a fifthset tiebreak, the [#permalink]
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01 Jun 2016, 08:22
Can anyone please help here. Why not B ?
Also can someone throw light on Method of reasoning & how to solve it in the given timeframe. Any links or notes will be highly useful.



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Re: If, in a tennis tournament, a match reaches a fifthset tiebreak, the [#permalink]
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07 Aug 2016, 02:12
ynk wrote: Can anyone please help here. Why not B ?
Also can someone throw light on Method of reasoning & how to solve it in the given timeframe. Any links or notes will be highly useful. In B, we have the form If A > Then B in the first rule. Then the example says If B> Then A. Which may or may not be true. Hence , it is incorrect.
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Re: If, in a tennis tournament, a match reaches a fifthset tiebreak, the [#permalink]
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26 Sep 2016, 11:43
here are the 2 relevant logic rules (according to De Morgan's laws)
1. not (x and y ) = (not x) or (not y) 2. not (x or y) = (not x) and (not y)
The 1st part of correct answer is: [Twins history] and [3 preg.] > [1 set of twins] the second part is: [twins history] and (not 1 set of twins) > (not 3 preg)  this is logically incorrect.
This is true because: 1. not [1set of twins] > not [twins history] or not [3 preg] 2. if X>y is given, the logical equivalent is x>y or (not y) > (not x).



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Re: If, in a tennis tournament, a match reaches a fifthset tiebreak, the [#permalink]
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22 Mar 2017, 04:10
a) If a woman with a family history of twins gets pregnant three times, she will have one set of twins. Jennifer, who falls into this category, had two sets of twins, so she must not have gotten pregnant exactly three times. b) If a salesman sells more product than anyone else in a calendar year, then he will earn an allexpensespaid vacation. Joe earned an allexpensepaid vacation, so he must have sold more product than anyone else for the year. c) A newspaper can charge a 50% premium for ads if its circulation surpasses 100,000; if the circulation does not pass 100,000, therefore, the newspaper can't charge any kind of premium for ads. d) If a student is in the top 10% of her class, she will earn a college scholarship. Anna is not in the top 10% of her class, so she will not earn a scholarship. e) All of the players on a football team receive a cash bonus if the team wins the Super Bowl. If quarterback Tom Brady earned a cash bonus last year, he must have been a member of the winning Super Bowl team.



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Re: If, in a tennis tournament, a match reaches a fifthset tiebreak, the [#permalink]
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19 Apr 2017, 20:53
This question is something like: If X then Y. If not Y then not X..... That is, if we look at the question, then the format is: Premise (P): If X then Y. Conclusion (C): If not Y then not X. Now formulate the same things for the options also. A) Premise (P):If X then Y. Conclusion (C): If not Y then not X. (This match the original pattern, hence should be the correct answer). B) Premise (P):If X then Y. Conclusion (C): Y then X. (Wrong, it does not match the pattern). C) Premise (P): X then Y. (Wrong, does not match the pattern). Conclusion (C): If not Y then not X. D) Premise (P): If X then Y. Conclusion (C): If not X then not Y (Wrong, does not match the original pattern). E) Premise (P): X if Y Conclusion (C): Y then X (Wrong, does not match the original pattern).
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Re: If, in a tennis tournament, a match reaches a fifthset tiebreak, the [#permalink]
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16 Sep 2017, 23:01
IEsailor wrote: If, in a tennis tournament, a match reaches a fifthset tiebreak, the lowerranked player always loses the tiebreak (and, therefore, the match). If Rafael, the secondranked player, wins a tournament by beating Roger, the topranked player, then the match must not have included a fifthset tiebreak.
Which of the following arguments most closely mimics the reasoning used in the above argument?
(A) If a woman with a family history of twins gets pregnant three times, she will have one set of twins. Jennifer, who falls into this category, had two sets of twins, so she must not have gotten pregnant exactly three times.
(B) If a salesman sells more product than anyone else in a calendar year, then he will earn an allexpensespaid vacation. Joe earned an allexpensepaid vacation, so he must have sold more product than anyone else for the year.
(C) A newspaper can charge a 50% premium for ads if its circulation surpasses 100,000; if the circulation does not pass 100,000, therefore, the newspaper can't charge any kind of premium for ads.
(D) If a student is in the top 10% of her class, she will earn a college scholarship. Anna is not in the top 10% of her class, so she will not earn a scholarship.
(E) All of the players on a football team receive a cash bonus if the team wins the Super Bowl. If quarterback Tom Brady earned a cash bonus last year, he must have been a member of the winning Super Bowl team. OFFICIAL EXPLANATION On a " mimic the argument" question, it's useful to use logic notation to understand the flow of the argument. In this case, we're told that IF A happens (a match reaches a fifthset tiebreak), THEN B will definitely happen (the lowerranked player loses). Standard logic rules tell us that, when given " If A, then B," the only definite conclusion we can draw is " If not B, then not A." In other words, if A always leads to B, and B doesn't happen, then A can't have happened either. The second sentence of the argument shows this principle: If not B (the lowerranked player doesn't lose), then not A (there wasn't a fifthset tiebreak). So we need to find another argument that follows this pattern: If A, then B; if not B, then not A. (A) CORRECT. If A (a woman with a family history of twins gets pregnant 3 times), then B (she will have 1 set of twins). Note that these numbers are precise: if she gets pregnant exactly three times, she will have exactly one set of twins. If not B (a woman with a family history of twins has 2 sets of twins  that is, not 1), then not A (she must have gotten pregnant either fewer than 3 times or more than 3 times  that is, not exactly 3 times). (B) If A (a salesman sells more product than anyone else), then B (he will earn an allexpensespaid vacation). If B (Joe earned the trip), then A (he must have sold more than anyone else). We can see why logic rules do not include "if B, then A" as a logical conclusion: A may always lead to B, but B does not necessarily have to lead to A. There may be other ways to earn the trip besides selling more than anyone else. (C) If A (a newspaper's circulation surpasses 100,000), then B (the newspaper can charge a 50% premium). If not A (the circulation doesn't surpass 100,000), then not C (the newspaper cannot charge any premium). The final assertion here does not match the initial A / B argument We know nothing about any other premium the newspaper might charge; we are only given information about charging a 50% premium. (D) If A (a student is in the top 10% of the class), then B (she will earn a scholarship). If not A (Anna is not in the top 10%), then not B (she won't earn a scholarship). We can see why logic rules do not include "if not A, then not B" as a logical conclusion: A may always lead to B, but it doesn't have to be the only way to reach B. There may be other ways to earn a scholarship besides being in the top 10% of the class. (E) If A (the team wins the Super Bowl), then B (the players receive a bonus). If not A (a player was not on the winning team), then not B (the player won't receive a bonus). We can see why logic rules do not include "if not A, then not B" as a logical conclusion: A may always lead to B, but it doesn't have to be the only way to reach B. There may be other ways to earn a bonus besides winning the Super Bowl.
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