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A newly discovered painting on wooden panel by Michelangelo

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A newly discovered painting on wooden panel by Michelangelo [#permalink] New post 06 Aug 2006, 10:35
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A newly discovered painting on wooden panel by Michelangelo must have been completed after 1507 but before 1509. It cannot have been painted earlier than 1507 because one of its central figures carries a coin that was not minted until that year. It cannot have been painted after 1509 because it contains a pigment that Michelangelo is known to have abandoned when a cheaper alternative became available in that year.

Which of the following is an assumption on which the argument depends?


A) No stocks of the abandoned pigment existed after 1509.

B) Michelangelo did not work on the painting over the course of several years.

C) The coin depicted in the painting was known to general public in 1507.

D) The wooden panel on which the painting was executed cannot be tested accurately for age.

E) Michelangelo's painting style did not change between 1507 and 1509.
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Last edited by akkane on 17 Apr 2013, 16:15, edited 2 times in total.
Added official answer
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Re: CR Michelangelo paint [#permalink] New post 17 Jan 2008, 11:48
I also got B. The conclusion was that the painting was completed before 1509 because the artist abandonded a pigment in 1509.
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Re: CR Michelangelo paint [#permalink] New post 18 Jan 2008, 10:40
buffdaddy wrote:
I go with B for the simple fact that if you introduce the exact opposite of the assumption as a fact into any argument, the argument's conclusion needs to fall apart.

so lets try the exact opposite to our choices.

A) If there was lots of pigment left of the type that MA abandoned, this still doesn't destroy the conclusion that he COMPLETED the painting between 1507 and 1509. He could have still gone out and bought the cheaper pigment to finish it later.
B) If he painted the painting over many years, he could have used the pigment before 1509 and put the coin in after 1507. So this destroys the conclusion
C) The coin in the painting was not known to the general public in 1507. MA wasn't the general public was he, so he could have still known about the coin. For goodness sake, he painted at the vatican for the pope himself. :-). How can he be classed as "the general public"
D) The wooden panel can be tested for age accurately. This is out of scope with the conclusion, since the conclusion is drawn from unrelated facts to the wooden panel's age. Also even if the wooden panel was tested for age, it could have been made in 1800 as a replacement. Or worse still it could have been made in 1502 or something. It doesn't tell it when the PAINTING WAS Completed
E) MA's painting style changed between 1507 to 1509. This doesn't mean that the painting was completed between these years at all. A painting can have multiple painting style and we have no idea if this painting is style A or style B or a combination of them. So the conclusion isn't destroyed since this is out of scope.

so negating B for the above reasons destroys the conclusion and is our answer


Thank you for explaining the negation method, I would like to try this method. I have not heard about it or tried it yet.
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A newly discovered painting on wooden panel by Michelangelo [#permalink] New post 31 May 2008, 19:46
A newly discovered painting on wooden panel by Michelangelo must have been completed after 1507 but before 1509. It cannot have been painted earlier than 1507 because one of its central figures carries a coin that was not minted until that year. It cannot have been painted after 1509 because it contains a pigment that Michelangelo is known to have abandoned when a cheaper alternative became available in that year.

Which of the following is an assumption on which the argument depends?
A No stocks of the abandoned pigment existed after 1509.

B Michelangelo did not work on the painting over the course of several years.

C The coin depicted in the painting was known to general public in 1507.

D The wooden panel on which the painting was executed cannot be tested accurately for age.

E Michelangelo's painting style did not change between 1507 and 1509.
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Re: CR - Michelangelo [#permalink] New post 31 May 2008, 19:50
B.

He did not work on the painting over the course of several years. Otherwise he could have used that pigment, and later abandoned it for something else.
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Re: CR - Michelangelo [#permalink] New post 31 May 2008, 20:29
Should be 'B'

Negation technique is useful in solving 'assumption' questions.

The close answers are B and E.

Conclusion falls apart if the painter has worked on painting over several years. Painter can use the pigment after 1509. This damages the conclusion. hence B
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Re: CR - Michelangelo [#permalink] New post 31 May 2008, 21:23
Quote:
A newly discovered painting on wooden panel by Michelangelo must have been completed after 1507 but before 1509. It cannot have been painted earlier than 1507 because one of its central figures carries a coin that was not minted until that year. It cannot have been painted after 1509 because it contains a pigment that Michelangelo is known to have abandoned when a cheaper alternative became available in that year.

Which of the following is an assumption on which the argument depends?
A No stocks of the abandoned pigment existed after 1509.
B Michelangelo did not work on the painting over the course of several years.
C The coin depicted in the painting was known to general public in 1507.
D The wooden panel on which the painting was executed cannot be tested accurately for age.
E Michelangelo's painting style did not change between 1507 and 1509.

CR in my words : M created wood paint between 1507 and 1509. Reason : No coin before 1507 and no paint after 1509.
Assumption must (MUST) be related to above sentence.
A-Premise is restated - Wrong
B-only completion is in picture - wrong. Also this answer can come to strengthen or weaken. But not as an assumption. Even if it spawned for years. The artist would have used cheaper alternative.
C-Correct. Otherwise, the premise falls. He could have got the coin earlier.
D-No relevance- Wrong
E-Unwanted info - Wrong
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Re: CR - Michelangelo [#permalink] New post 01 Jun 2008, 09:56
bsd_lover wrote:
A newly discovered painting on wooden panel by Michelangelo must have been completed after 1507 but before 1509. It cannot have been painted earlier than 1507 because one of its central figures carries a coin that was not minted until that year. It cannot have been painted after 1509 because it contains a pigment that Michelangelo is known to have abandoned when a cheaper alternative became available in that year.

Which of the following is an assumption on which the argument depends?
A No stocks of the abandoned pigment existed after 1509.

B Michelangelo did not work on the painting over the course of several years.

C The coin depicted in the painting was known to general public in 1507.

D The wooden panel on which the painting was executed cannot be tested accurately for age.

E Michelangelo's painting style did not change between 1507 and 1509.


I got B as well. the key here is identifying the conlusion and finding an answer that directly attacks the conclusion. In effect you turn it from an assumption question into a Strengthen/Weaken question.

i.e.
Michaelangelo did work on the painting over the course of several years. this in effect undermines the Author's argument that "A newly discovered painting on wooden panel by Michelangelo must have been completed after 1507 but before 1509" therefore B is the answer.
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Re: CR - Michelangelo [#permalink] New post 02 Jun 2008, 14:53
As requested :
The correct answer is B.

The conclusion of the argument is that Michelangelo must have completed the painting between 1507 and 1509. The basis for that claim is that the painting depicts a coin that did not exist before 1507 and that it contains a pigment that Michelangelo ceased using in 1509. We are asked to find an assumption that completes the logic of this argument.

Choice A is incorrect. We do not need to assume that no stocks of the pigment existed after 1509. The argument is concerned only with the year in which Michelangelo stopped using the pigment.

Choice B is correct. In order to conclude that the painting must have been completed before 1509 on the basis of the pigment, we must assume that he did not begin the painting before 1509 using the old pigment and complete the painting after 1509 with the new pigment.

Choice C is incorrect. The fact that the general public knew of the coin in 1507 is irrelevant to the conclusion.

Choice D is incorrect. The fact that the panel cannot be tested for age does not relate to either the coin or the pigment, the two bases for the conclusion.

Choice E is incorrect. Whether Michelangelo's painting style changed during this period does not relate to either the coin or the pigment.
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Re: Michelangelo da Vinci [#permalink] New post 09 Nov 2009, 16:38
Answer is B.

No stocks of the abandoned pigment existed after 1509.
Michelangelo decided not to use the abandoned pigment in 1509 anyway so whether there is stock or not is irrelevant.

Michelangelo did not work on the painting over the course of several years.
The conclusion states that the painting was completed in the timeframe from 1507 to 1509. If we negate the above statement then the argument falls apart. Hence the argument depends on this.

The coin depicted in the painting was known to general public in 1507.
What the general public knows is out of scope.

The wooden panel on which the painting was executed cannot be tested accurately for age.
The argument doesn’t rely on testing of the wooden panel. It relies on assumptions based on the content and pigment used in the painting,

Michelangelo's painting style did not change between 1507 and 1509.
The style of his paintings are not really an issue because the argument depends on content and paint.
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Re: Michelangelo da Vinci [#permalink] New post 09 Nov 2009, 17:36
I'll go with A
(actually I was looking for a option which says that the coin was not launched after the painting got popular :) )

No stocks of the abandoned pigment existed after 1509.
- Michelangelo abandoned the pigment used to make the paint (not the paint) because cheaper version was available. There is no mention that he stopped using the existing stock. If he has spent a lot making a stock of paint, he'll use that

Michelangelo did not work on the painting over the course of several years.
Statement says that it was completed in 1508. But no mention of how long he worked on it
The coin depicted in the painting was known to general public in 1507.
this will weaken the basis for "after 1507" so cannot be an assumption
The wooden panel on which the painting was executed cannot be tested accurately for age.
no direct relation with the painting if the wooden panel has been changed over the course of time
Michelangelo's painting style did not change between 1507 and 1509.
I guess if his painting style changes, the transition maybe visible in this painting and can be another basis for the statement, but no change in painting style doesn't fit as an assumption in this case
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Re: Michelangelo da Vinci [#permalink] New post 10 Nov 2009, 01:30
If Michelangelo did work on the painting over the course of several years. Then Michelangelo could have painted the coin after 1507 but this may not be true for the painting as a whole. Similarly pigment that Michelangelo is know to have abandoned when a cheaper alternative became available in 1509, does establish that painting was completed before 1509, but does not establish it was started after 1507

So IMO the answer is B
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Re: Michelangelo da Vinci [#permalink] New post 10 Nov 2009, 12:10
This is totally confusing to me... he could have worked on it from 1500 - 1509, adding the coin in 1507 and stopping work before the pigment was abandoned. Why not?

I chose A because it seemed the least illogical... I welcome another viewpoint though!!
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Re: Michelangelo da Vinci [#permalink] New post 10 Nov 2009, 14:46
A newly discovered painting on wooden panel by Michelangelo must have been completed after 1507 but before 1509. It cannot have been painted earlier than 1507 because one of its central figures carries a coin that was not minted until that year. It cannot have been painted after 1509 because it contains a pigment that Michelangelo is known to have abandoned when a cheaper alternative became available in that year.


Which of the following is an assumption on which the argument depends?
No stocks of the abandoned pigment existed after 1509.
It clearly states in the passage that he abandoned when a cheaper alternative became available
Michelangelo did not work on the painting over the course of several years.
Is the right answer coz the statement says "must have been completed" thus bringing in ambiguity which is clarified in this statement
The coin depicted in the painting was known to general public in 1507.
Already stated in the argument
The wooden panel on which the painting was executed cannot be tested accurately for age.
Irrelevant as the wooden panel not in question here
Michelangelo's painting style did not change between 1507 and 1509.
Irrelevant as his style is not being questioned here
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Re: Michelangelo da Vinci [#permalink] New post 10 Nov 2009, 15:00
Hmm I think I get it now. The author says the painting "must have been completed" and then discusses that it "cannot have been painted" before and after 1507. Painted does not equal completed... UNLESS you assume it was only worked on for 1 year.
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Re: Michelangelo da Vinci [#permalink] New post 11 Nov 2009, 14:22
We have two details to focus on:
1) Why it was not earlier than 1507 --> one coin that was painted started to be minted since 1507
2) Why it was not later than 1509 --> the paint used was expensive and an alternative paint was available. Michelangelo surely preferred the cheaper one


We have to ask ourselves:
1) Did he know the design of the coin before it was released?
2) Did he had a stock of paint large enough to not need to buy more paint cans before 1509?

I was between A and C.
But C is not enough: even if the coin was not known to the "public", Michelangelo still could have seen this coin before it was released to public

so A is my answer.
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Re: Michelangelo da Vinci [#permalink] New post 22 Nov 2009, 20:02
I ran into this Q in MGMAT test and realized that the OA hasn't been posted here...

Choice
[Reveal] Spoiler:
B
is correct. In order to conclude that the painting must have been completed before 1509 on the basis of the pigment, we must assume that he did not begin the painting before 1509 using the old pigment and complete the painting after 1509 with the new pigment.

The conclusion of the argument is that Michelangelo must have completed the painting between 1507 and 1509. The basis for that claim is that the painting depicts a coin that did not exist before 1507 and that it contains a pigment that Michelangelo ceased using in 1509. We are asked to find an assumption that completes the logic of this argument.

Choice A is incorrect. We do not need to assume that no stocks of the pigment existed after 1509. The argument is concerned only with the year in which Michelangelo stopped using the pigment. :(
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Re: Michelangelo da Vinci [#permalink] New post 29 Nov 2009, 01:06
IMO C have to assume coin came to public in 1507 and the painter is a common man (not that he can see it before others can)

watss the OA ??
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Re: Michelangelo da Vinci [#permalink] New post 29 Nov 2009, 03:05
What if MichaelAngelo knew the coin design before 1507 ?
This makes it possible that the painting could have been started before 1507 weakening the argument .
Isn't it ?
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Re: A newly discovered painting on wooden panel [#permalink] New post 22 Mar 2011, 20:38
If you negate the assumption "Michelangelo did not work on the painting over the course of several years." as :

"Michelangelo worked on the painting over the course of several years.", the argument falls apart.

Hence answer is B.
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Re: A newly discovered painting on wooden panel [#permalink] New post 22 Mar 2011, 21:56
Let me put this quantitatively
1507<x<1509 hence on the numberline x cannot takes values beyond 1507 and 1509. I can infer M did not do touch this painting for couple of years x<= 1507 and x>=1509

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Re: A newly discovered painting on wooden panel   [#permalink] 22 Mar 2011, 21:56
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