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dcummins
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Schools: INSEAD Sept'21 Intake (WA$) Melbourne (A$) AGSM (A$) Kellogg '23 (WL) Said '22 (A$) CBS '23 (D) Booth '23 (D) Anderson '23 (WL) Cambridge '22 (WL) LBS '23 (D) Stern '24 (WA)
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10 Jun 2019, 21:06
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
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Question Stats:
61% (01:32) correct
39%
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All the winners of the Great Indian Derby in the past 60 years have been horses that have been in the racing circuit for at least two years. While nobody knows for sure what the correlation between the two is, it remains beyond doubt that the winner of the Great Indian Derby will always be a horse that has been competing in races for at least two years.
Which of the following can be inferred from the above statements?
(A) If a horse has been competing in races for two years or more, it will definitely win the Great Indian Derby.
(B) The Great Indian Derby is more competitive than other horse races in the country.
(C) The experience that comes as part of being active in the racing circuit for at least two years plays a valuable role in making a horse victorious in the Great Indian Derby.
(D) It is possible, on the off chance, for a horse to win the Great Indian Derby even if it has not been active in the racing circuit for at least two years.
(E) If a horse has not been part of the racing circuit for at least two years, it will not win the Great Indian Derby.
Which of the following can be inferred from the above statements?
(A) If a horse has been competing in races for two years or more, it will definitely win the Great Indian Derby.
(B) The Great Indian Derby is more competitive than other horse races in the country.
(C) The experience that comes as part of being active in the racing circuit for at least two years plays a valuable role in making a horse victorious in the Great Indian Derby.
(D) It is possible, on the off chance, for a horse to win the Great Indian Derby even if it has not been active in the racing circuit for at least two years.
(E) If a horse has not been part of the racing circuit for at least two years, it will not win the Great Indian Derby.
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11 Jun 2019, 08:31
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Indeed a very important question to understand the Conditional reasoning.
Before we understand this question it is important to understand how conditional reasoning and its contrapositive works
Example:
If I study then I will Pass the exam
If A then B
For this conditional reasoning only its contrapositive is true
i.e. If Not B then Not A ==> If I will not pass the Exam then i did not study (TRUE)
But below conditions will not be true
if Not A then Not B ==> If i did not study then i will not pass the exam (Not True)
If A then Not B ==> If i study then I will not pass the exam (Not True)
If not A then B ==> If I did not study I will pass the exam (Not True)
Now coming to our sentence.
The conclusion says: Winner of the Great Indian Derby will always be a horse that has been competing in races for at least two years.
This is of the FormIf -----------------A------------------------- then --------------------B---------------------
As discussed above, The only statement that will be true is: If Not B then A
i.e. If a horse does not compete in race for at least 2 years then It will not be the winner of Great Indian Derby
Only option that matches this is E, Hence it is the only correct answer.
But let us also find out why the rest of the options are wrong:
(A) If a horse has been competing in races for two years or more, it will definitely win the Great Indian Derby. If B then A (not necessarily true)
(B) The Great Indian Derby is more competitive than other horse races in the country. Irrelevant and out of scope
(C) The experience that comes as part of being active in the racing circuit for at least two years plays a valuable role in making a horse victorious in the Great Indian Derby. Same as option A of the form If B then A
(D) It is possible, on the off chance, for a horse to win the Great Indian Derby even if it has not been active in the racing circuit for at least two years. If A then not B (not necessarily true)
(E) If a horse has not been part of the racing circuit for at least two years, it will not win the Great Indian Derby. If Not B then Not A (contrapositive form as discussed above). Definitely true
Before we understand this question it is important to understand how conditional reasoning and its contrapositive works
Example:
If I study then I will Pass the exam
If A then B
For this conditional reasoning only its contrapositive is true
i.e. If Not B then Not A ==> If I will not pass the Exam then i did not study (TRUE)
But below conditions will not be true
if Not A then Not B ==> If i did not study then i will not pass the exam (Not True)
If A then Not B ==> If i study then I will not pass the exam (Not True)
If not A then B ==> If I did not study I will pass the exam (Not True)
Now coming to our sentence.
The conclusion says: Winner of the Great Indian Derby will always be a horse that has been competing in races for at least two years.
This is of the FormIf -----------------A------------------------- then --------------------B---------------------
As discussed above, The only statement that will be true is: If Not B then A
i.e. If a horse does not compete in race for at least 2 years then It will not be the winner of Great Indian Derby
Only option that matches this is E, Hence it is the only correct answer.
But let us also find out why the rest of the options are wrong:
(A) If a horse has been competing in races for two years or more, it will definitely win the Great Indian Derby. If B then A (not necessarily true)
(B) The Great Indian Derby is more competitive than other horse races in the country. Irrelevant and out of scope
(C) The experience that comes as part of being active in the racing circuit for at least two years plays a valuable role in making a horse victorious in the Great Indian Derby. Same as option A of the form If B then A
(D) It is possible, on the off chance, for a horse to win the Great Indian Derby even if it has not been active in the racing circuit for at least two years. If A then not B (not necessarily true)
(E) If a horse has not been part of the racing circuit for at least two years, it will not win the Great Indian Derby. If Not B then Not A (contrapositive form as discussed above). Definitely true
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