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655-705 (Hard)|   Inference|      
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Suraj0184
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The LSAT Flex will become a permanent fixture only 16 Sep 2023, 07:54
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65% (hard)

Question Stats:

58% (01:56) correct 42% (02:14) wrong based on 415 sessions

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The LSAT Flex will become a permanent fixture only if LSAC is able to ensure the security of the exam. The security of the exam cannot be guaranteed unless proctors are vigilant at all times. And in order for proctors to be vigilant at all times they require an innate love of order.

Which of one of the following can be properly inferred from the information above?

A. If the LSAT Flex does not become a permanent fixture, it is because the proctors were not vigilant at all times.
B. If the security of the exam is not insured the proctors do not have an innate love of order.
C. The key to ensuring the security of the exam is realizing proctors need to be vigilant.
D. Without an innate love of order, the LSAT Flex will not become a permanent fixture
E. If the proctors are vigilant, LSAC will be able to ensure the security of the exam.
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D
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HarshGupta01
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The LSAT Flex will become a permanent fixture only 16 Sep 2023, 22:45
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Please explain option A &D
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ParamjitDasGMAT
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The LSAT Flex will become a permanent fixture only 17 Sep 2023, 04:08
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HarshGupta01
Please explain option A &D
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Hi HarshGupta01, I'll be happy to help.

On the basis of the conditional, "If X, (then) Y", we cannot infer that Y occurs only because of X. Hence (A) is incorrect. The LSAT could have become a non-permanent fixture due to other reasons as well.

The only valid statement that can be inferred from a sufficient conditional is the contrapositive, which translates into "If ~Y, then ~X". This is the reason (D) works.

Hope it helps
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The LSAT Flex will become a permanent fixture only 18 Sep 2023, 02:55
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The LSAT Flex will become a permanent fixture only if LSAC is able to ensure the security of the exam. The security of the exam cannot be guaranteed unless proctors are vigilant at all times. And in order for proctors to be vigilant at all times they require an innate love of order.

Which of one of the following can be properly inferred from the information above?

A. If the LSAT Flex does not become a permanent fixture, it is because the proctors were not vigilant at all times.
B. If the security of the exam is not insured the proctors do not have an innate love of order.
C. The key to ensuring the security of the exam is realizing proctors need to be vigilant.
D. Without an innate love of order, the LSAT Flex will not become a permanent fixture
E. If the proctors are vigilant, LSAC will be able to ensure the security of the exam.
Show more

Here is what we get:

'Innate love of order' is necessary for 'proctors to be always vigilant'
'proctors to be always vigilant' is necessary for 'secure exam'.
'Secure exam' is necessary for 'permanent fixture'

A. If the LSAT Flex does not become a permanent fixture, it is because the proctors were not vigilant at all times.

Not correct. 'Secure exam' is necessary for LSAT Flex to become a permanent fixture. It is not sufficient. It is possible that the exam is secure but still it is not a permanent fixture. So the reason for not becoming a permanent fixture could be anything.

B. If the security of the exam is not insured the proctors do not have an innate love of order.

Again, we only have necessary conditions here. They could have an innate love of order and still they may not be vigilant at all times.Hence the team may not be secure even if proctors do have an innate love of order.

C. The key to ensuring the security of the exam is realizing proctors need to be vigilant.

We know that proctors being vigilant is a necessary condition. Is it the key to ensuring security, we don't know.

D. Without an innate love of order, the LSAT Flex will not become a permanent fixture

Correct.
Without 'Innate love of order', no 'proctors always vigilant'.
Without 'proctors to be always vigilant', no 'secure exam'.
Without 'Secure exam', no 'permanent fixture'

E. If the proctors are vigilant, LSAC will be able to ensure the security of the exam.

Again, proctor being vigilant is a necessary condition, not sufficient.

Answer (D)

Check this video for necessary vs sufficient conditions explanation: https://youtu.be/MmlwcTlHZz8
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The LSAT Flex will become a permanent fixture only 02 Jan 2024, 10:27
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The LSAT Flex will become a permanent fixture only if LSAC is able to ensure the security of the exam. The security of the exam cannot be guaranteed unless proctors are vigilant at all times. And in order for proctors to be vigilant at all times they require an innate love of order.

Which of one of the following can be properly inferred from the information above?

A. If the LSAT Flex does not become a permanent fixture, it is because the proctors were not vigilant at all times. - WRONG. Situation reversal that is not true.
B. If the security of the exam is not insured the proctors do not have an innate love of order. - WRONG. Situation reversal that is not true.
C. The key to ensuring the security of the exam is realizing proctors need to be vigilant. - WRONG. Vigilant is a requirement but not necessarily true that it is the key.
D. Without an innate love of order, the LSAT Flex will not become a permanent fixture - CORRECT. No LoO no permanent fixture.
E. If the proctors are vigilant, LSAC will be able to ensure the security of the exam. - WRONG. Not necessarily true. There can still be a possibility of security breach.

LoO ----> PV ----> SoE ----> PF
is given.

Answer D.
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The LSAT Flex will become a permanent fixture only 19 Mar 2025, 18:26
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