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14 Nov 2024, 01:30
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
75% (02:02) correct
25%
(02:09)
wrong
based on 408
sessions
History
Date
Time
Result
Not Attempted Yet
A table made entirely from the trunk of a tree said to have lived a thousand years was recently claimed to be that of a much younger tree. In order to rebut this charge, the craftsman summoned a team of dendrochronologists to prove that the tree lived to be at least to 1,000 years old. Dendrochronology, or the technique of using tree rings to date wood, is based on the fact that for each passing year a tree develops exactly one ring, as seen in a horizontal cross-section of the trunk. Given that dendrochronology is accurate for trees that lived less than 2,000 total years, the dendrochronologists will be able to determine whether the work comes from a tree that lived to be at least 1,000 years old.
Which of the following is an assumption that the argument makes?
A. The artist has not used the trunk of the same tree in other works of art he has produced.
B. The tree was not less than 1,000 years old when it was cut down.
C. The artist worked on the wood consistently, without taking breaks of more than one year.
D. The wood used in the table is large enough to contain a span of one thousand tree rings.
E. Dendrochronology has shown to be inaccurate for the oldest trees in the world, since parts of the trunks are so worn down that traces of tree rings are difficult to discern.
Which of the following is an assumption that the argument makes?
A. The artist has not used the trunk of the same tree in other works of art he has produced.
B. The tree was not less than 1,000 years old when it was cut down.
C. The artist worked on the wood consistently, without taking breaks of more than one year.
D. The wood used in the table is large enough to contain a span of one thousand tree rings.
E. Dendrochronology has shown to be inaccurate for the oldest trees in the world, since parts of the trunks are so worn down that traces of tree rings are difficult to discern.
14 Nov 2024, 04:17
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hi,
This is a tough qu. (assumption's one in general) to me because it takes time to analize well all of the info.
Thaugh, a quick way for me is to solve by counter the wrong questions with info that can allow the text
a) Can we produce another art with the same trunk, yes, wrong ( in a horizontal cross-section of the trunk)
b) can it be less than a year, yes, so wrong ( to determine whether)
c)can he take break, i think so, wrong (nothing prove the opposite in the text)
d)because they are able to determine if it's old enough, the table should get all of the rings
e)can the oldest trees be less than 2000 years, yes, wrong
let me know if i'm right, see ya
This is a tough qu. (assumption's one in general) to me because it takes time to analize well all of the info.
Thaugh, a quick way for me is to solve by counter the wrong questions with info that can allow the text
a) Can we produce another art with the same trunk, yes, wrong ( in a horizontal cross-section of the trunk)
b) can it be less than a year, yes, so wrong ( to determine whether)
c)can he take break, i think so, wrong (nothing prove the opposite in the text)
d)because they are able to determine if it's old enough, the table should get all of the rings
e)can the oldest trees be less than 2000 years, yes, wrong
let me know if i'm right, see ya
01 Dec 2024, 05:30
Kudos
Bookmarks
Bunuel
Magoosh Official Explanation:
Premise #1: The number of rings on a tree determines the age of the tree
Premise #2: Using this fact, tree experts will be able to determine the age of the table.
Assumption: The table has to come from a cut of wood that actually has 1,000 rings. If the table comes from only a slice of wood, then it won’t contain all 1,000 rings. Remember, according to the prompt, the rings are contained in a horizontal cross section of the trunk. So if the width of the trunk is greater than the length of the table, then we cannot say for sure whether the wood used in table comes from a tree that is at least 1,000 years old.
This logic matches best with answer (D).
(A) is completely irrelevant since we are talking about other works of his. The only work that is in question is the table.
(B) is really misleading. The conclusion is that the tree experts can determine (yes/no) whether the tree is at least 1,000 years. If we negate the assumption in (B), the tree was less than 1,000 years old, then the tree experts will be able to definitively determine the tree’s age. That is consistent with the conclusion. Negating an assumption should result in the argument falling apart. That happens with (D), since if the table is not large enough to contain all the tree rings, then the experts won’t be able to determine whether the tree was at least 1,000 years old.
(C) doesn’t relate to the age of the tree.
(D) See above.
(E) is consistent with the prompt: dendrochronology is accurate only for trees less than 2,000 years old.
