Wall joists

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Wall joists

by fibbonnaci » Tue Dec 22, 2009 7:39 pm
That wall is supported by several joists. The only thing that can have caused the bulge that the wall now has is a broken joist. Therefore, at least one of the joists is broken.

Which one of the following arguments is most similar in its logical features to the argument above?

(A) A least one of the players in the orchestra must have made a mistake, since nothing else would have made the conductor grimace in the way she just did.

(B) The first piece must have been the easiest, since it was the only piece in the entire concert in which the orchestra did not make many mistakes.

(C) The players play well only when they like the music, since they tend to make mistakes when they play something they do not like.

(D) One of the orchestra's players must be able to play the harp, since in one of the pieces they are playing at next week's concert the composer specified that a harp should be played.

(E) The emotion of the music is the only thing that can have caused the conductor to look so angry just then, since the orchestra was playing perfectly.
Source: — Critical Reasoning |

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by linkinpark » Tue Dec 22, 2009 10:28 pm
is it A?

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by fibbonnaci » Wed Dec 23, 2009 4:33 am
yes it is. Could u explain ur answer choice? i felt E was close too

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by linkinpark » Wed Dec 23, 2009 5:04 am
original question gives scenario that one joilt has caused bulge in the wall, similar scenario can be found in option A that mistake of one member caused trouble to conductor. hence I chose A, rest other options don't mimic that scenario.
whereas in E we're being told that orchestra was perfect

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by viju9162 » Wed Dec 23, 2009 5:17 am
I would not consider E because E states that "since the orchestra was playing perfectly". However, in the argument it is never stated that "wall is perfectly build by joists"
"Native of" is used for a individual while "Native to" is used for a large group

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by fibbonnaci » Wed Dec 23, 2009 5:51 am
thank you linkinpark and viju9162 . it was helpful!

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by james33 » Sun May 15, 2016 10:22 pm
I agree with you guys. I also think that the right answer is A.