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A new species of fish has just been discovered living in

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A new species of fish has just been discovered living in great numbers in the waters off Papua New Guinea. The fish exhibits some characteristics belonging to sharks, such as a cartilaginous skeleton. However, the fish also exhibits characteristics belonging to eels, such as a long, snake-like body. Because of the habitat where it was found and its obviously eel-like body, almost all scientists believe that the fish is an eel. But the cartilaginous skeleton puzzles them, since no known eel possesses one. So scientists are still unsure as to the fish's precise classification, but they agreed immediately that the most logical classification would be as either a shark or an eel.

The statements above, if true, most strongly support which of the following?

A. To be placed into a certain classification, a fish must possess all the characteristics of that classification.
B. Physical characteristics, such as skeletons, are scientists' primary means of classifying new species.
C. Some fish with cartilaginous skeletons are not sharks.
D. The waters off Papua New Guinea are generally hospitable to eels.
E. A fish cannot be both a shark and an eel.

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New post 19 Sep 2013, 03:39
Hi,

My answer was "Option C".

Can you please explain why "Option D" is correct and others are not?

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Re: A new species of fish has just been discovered living in [#permalink]

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Hi Prateek,

Let me see if I can help.

The issue with your answer C, is that no where in the passage does it suggest that there are other fish that are not sharks with a cartilaginous skeleton. In fact it says the opposite - the problem scientists are having is that they've not come across such a thing in an eel like fish before.

D is correct, because you can infer that because many scientists are happy to call this fish an eel, that eel's must be found close to Papa New Guinea.

Does that make sense?

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Re: A new species of fish has just been discovered living in [#permalink]

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New post 19 Sep 2013, 06:48
I marked E. The last sentence made me more inclined towards E

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Re: A new species of fish has just been discovered living in [#permalink]

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New post 19 Sep 2013, 11:47
plumber250 wrote:
Hi Prateek,

Let me see if I can help.

The issue with your answer C, is that no where in the passage does it suggest that there are other fish that are not sharks with a cartilaginous skeleton. In fact it says the opposite - the problem scientists are having is that they've not come across such a thing in an eel like fish before.

D is correct, because you can infer that because many scientists are happy to call this fish an eel, that eel's must be found close to Papa New Guinea.

Does that make sense?

James



I chose A .

..So scientists are still unsure as to the fish's precise classification, but they agreed immediately that the most logical classification would be as either a shark or an eel...

What I inferred from here is that scientist are in dilemma and they are not able to classify the fish as an eel or as shark cause they are bound by some rules. Option A told the same ...To be placed into a certain classification, a fish must possess all the characteristics of that classification .. If this rule is not there then they could have easily classified the fish as an eel or as a shark based on few characteristics (must not possess all).

Please enlighten me.
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Re: A new species of fish has just been discovered living in [#permalink]

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New post 19 Sep 2013, 11:51
b2bt wrote:
I marked E. The last sentence made me more inclined towards E



Even I marked E as my answer.

Can someone please explain this question???? :?
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Re: A new species of fish has just been discovered living in [#permalink]

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This is OE given by Kaplan.

Conclusion: This is an inference question that asks us to draw a conclusion from the information provided. What must also be true given the stimulus?

Evidence: Since we need to draw our own conclusion, we can use all facts provided in the argument as evidence.

The first sentence states that the new fish was discovered off the waters of Papua New Guinea. In addition, the sentence 4 states that the new fish shares its habitat with the eel. In combination, these two sentences indicate that eels also live in the waters off Papua New Guinea. So this region must be hospitable to eels, as stated in (D).

(A) doesn't follow from the information given. The last sentence implies that the new fish could be classified as a shark even though it does not have a cartilaginous skeleton Also, it is extreme in its use of the word all. With (B), the importance of physical characteristics relative to other characteristics is not discussed. With (C), if the new fish were to be classified as an eel, then we could conclude that at least one fish with a cartilaginous skeleton is not a shark. The stimulus, however, never says this. Furthermore, we aren't told anything about other fish classifications. And with (E), the last sentence states that the new fish will probably be classified as either a shark or an eel, but suggests nothing about an animal being both. Though this choice may seem true, we don't know for certain.


Hope it helps!!

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Re: A new species of fish has just been discovered living in [#permalink]

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mba1382 wrote:
A new species of fish has just been discovered living in great numbers in the waters off Papua New Guinea. The fish exhibits some characteristics belonging to sharks, such as a cartilaginous skeleton. However, the fish also exhibits characteristics belonging to eels, such as a long, snake-like body. Because of the habitat where it was found and its obviously eel-like body, almost all scientists believe that the fish is an eel. But the cartilaginous skeleton puzzles them, since no known eel possesses one. So scientists are still unsure as to the fish's precise classification, but they agreed immediately that the most logical classification would be as either a shark or an eel.

The statements above, if true, most strongly support which of the following?

A. To be placed into a certain classification, a fish must possess all the characteristics of that classification.
B. Physical characteristics, such as skeletons, are scientists' primary means of classifying new species.
C. Some fish with cartilaginous skeletons are not sharks.
D. The waters off Papua New Guinea are generally hospitable to eels.
E. A fish cannot be both a shark and an eel.


I discussed this question with my teacher and his answer was direct: this will never be on a GMAT exam!

The reason he evoked is that "generally" is not correct in the answer choices. Generally could mean that only 60% of the waters off Papua new Guinea are hospitable to eels and therefore, the conclusion is not obvious and is ambiguous!

A. To be placed into a certain classification, a fish must possess all the characteristics of that classification. - "All" is incorrect - Wrong
B. Physical characteristics, such as skeletons, are scientists' primary means of classifying new species. - Not stated - Wrong
C. Some fish with cartilaginous skeletons are not sharks. - Can not logically conclued this from text - Wrong

The answer E is an extrapolation that is too extreme to be stated. "A fish (meaning all the kind of fish) cannot be a shark and an eel"

Answer D is correct but really badly formulated...

This will never be on the GMAT exam...
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A new species of fish has just been discovered living in gre [#permalink]

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This is my new project: Renew Old Thread => Back to basic => Just try It and give your reasoning
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A new species of fish has just been discovered living in great numbers in the waters off Papua New Guinea. The fish exhibits some characteristics belonging to sharks, such as a cartilaginous skeleton. However, the fish also exhibits characteristics belonging to eels, such as a long, snake-like body. Because of the habitat where it was found and its obviously eel-like body, almost all scientists believe that the fish is an eel. But the cartilaginous skeleton puzzles them, since no known eel possesses one. So scientists are still unsure as to the fish's precise classification, but they agreed immediately that the most logical classification would be as either a shark or an eel.

The statements above, if true, most strongly support which of the following?

A. To be placed into a certain classification, a fish must possess all the characteristics of that classification.
B. Physical characteristics, such as skeletons, are scientists' primary means of classifying new species.
C. Some fish with cartilaginous skeletons are not sharks.
D. The waters off Papua New Guinea are generally hospitable to eels.
E. A fish cannot be both a shark and an eel.
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Re: A new species of fish has just been discovered living in gre [#permalink]

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New post 29 Jul 2014, 00:51
A. To be placed into a certain classification, a fish must possess all the characteristics of that classification.
B. Physical characteristics, such as skeletons, are scientists' primary means of classifying new species.
C. Some fish with cartilaginous skeletons are not sharks.
D. The waters off Papua New Guinea are generally hospitable to eels.
E. A fish cannot be both a shark and an eel.[/quote]

IMO E is the best answer....

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A new species of fish has just been discovered living in gre [#permalink]

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archersharma wrote:
A. To be placed into a certain classification, a fish must possess all the characteristics of that classification.
B. Physical characteristics, such as skeletons, are scientists' primary means of classifying new species.
C. Some fish with cartilaginous skeletons are not sharks.
D. The waters off Papua New Guinea are generally hospitable to eels.
E. A fish cannot be both a shark and an eel.


IMO E is the best answer....[/quote]

The question states that " Because of the habitat where it was found and its obviously eel-like body, almost all scientists believe that the fish is an eel "

This clearly implies that waters off Papua New Guinea are hospitable to eels.

Hope it helps
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Re: A new species of fish has just been discovered living in gre [#permalink]

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New post 30 Jul 2014, 17:21
What does "IMO" stand for? :P

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Re: A new species of fish has just been discovered living in gre [#permalink]

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New post 31 Jul 2014, 03:00
IMO the conclusion is the fish can most logically be classified as either a shark or an eelhence the classification of both is not possible . hence E.

IMO-In My Opinion :P

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Re: A new species of fish has just been discovered living in gre [#permalink]

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New post 31 Jul 2014, 12:04
Thanks sivaspurthy. Even I thought it should have been E too. Unfortunately what matters is what gmat thinks is right. Expert opinion needed!!

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Re: A new species of fish has just been discovered living in gre [#permalink]

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New post 01 Aug 2014, 06:21
Seems like both D and E can be equally correct....
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Re: A new species of fish has just been discovered living in gre [#permalink]

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New post 03 Aug 2014, 09:55
D would have been the right answer in case, the conclusion has stated the scientists classify the fish as eel. But, the last statement is confusing there. The fishes have not been categorized either as shark or an eel.

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A new species of fish has just been discovered living in gre [#permalink]

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This is my new project: Renew Old Thread => Back to basic => Just try It and give your reasoning
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A new species of fish has just been discovered living in great numbers in the waters off Papua New Guinea. The fish exhibits some characteristics belonging to sharks, such as a cartilaginous skeleton. However, the fish also exhibits characteristics belonging to eels, such as a long, snake-like body. Because of the habitat where it was found and its obviously eel-like body, almost all scientists believe that the fish is an eel. But the cartilaginous skeleton puzzles them, since no known eel possesses one. So scientists are still unsure as to the fish's precise classification, but they agreed immediately that the most logical classification would be as either a shark or an eel.

The statements above, if true, most strongly support which of the following?

A. To be placed into a certain classification, a fish must possess all the characteristics of that classification.
B. Physical characteristics, such as skeletons, are scientists' primary means of classifying new species.
C. Some fish with cartilaginous skeletons are not sharks.
D. The waters off Papua New Guinea are generally hospitable to eels.
E. A fish cannot be both a shark and an eel.


I fell in the trap of D as well. but after checking LSAT, I find out that "either/or" means "at least one of the two". this definition implicitly allows that both elements occur... therefore, D is the correct answer.

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Re: A new species of fish has just been discovered living in gre [#permalink]

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A new species of fish has just been discovered living in great numbers in the waters off Papua New Guinea. The fish exhibits some characteristics belonging to sharks, such as a cartilaginous skeleton. However, the fish also exhibits characteristics belonging to eels, such as a long, snake-like body. Because of the habitat where it was found and its obviously eel-like body, almost all scientists believe that the fish is an eel. But the cartilaginous skeleton puzzles them, since no known eel possesses one. So scientists are still unsure as to the fish's precise classification, but they agreed immediately that the most logical classification would be as either a shark or an eel.

The statements above, if true, most strongly support which of the following?

A. To be placed into a certain classification, a fish must possess all the characteristics of that classification.
B. Physical characteristics, such as skeletons, are scientists' primary means of classifying new species.
C. Some fish with cartilaginous skeletons are not sharks.
D. The waters off Papua New Guinea are generally hospitable to eels.
E. A fish cannot be both a shark and an eel.

Start with main points of abstract
1. New fish found near Papua New Guinea (PNG)
2. New fish Similar to Shark
3. Scientist belive that new fish = eel because where it lives & similar charcterstics as eel possessed
but scientist are puzzeled over skelton so the New fish is either shark or eel
Now look at options:
A. To be placed into a certain classification, a fish must possess all the characteristics of that classification.= Perhaps the most contending option but " the charcterstics of that classification" extreme the answer to narrow the category= keep alive as strong point
B. Physical characteristics, such as skeletons, are scientists' primary means of classifying new species.=That is not true since scientist look for body structure as well= so wrong
C. Some fish with cartilaginous skeletons are not sharks.= out of scope cauz primarily focused on property of matter= so out of space
D. The waters off Papua New Guinea are generally hospitable to eels.= this looks the probable answer because above the above bold + underline line states that the water is hospitable
E. A fish cannot be both a shark and an eel.= The fish can be both but since the puzzling dot is Skelton so cannot justify the statement= hence wrong

So choice left A & D
A= too extreme to classify/ justify the correctness

Answer= D

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Re: A new species of fish has just been discovered living in gre [#permalink]

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New post 04 Aug 2014, 01:10
bb61 wrote:
tuanquang269 wrote:
This is my new project: Renew Old Thread => Back to basic => Just try It and give your reasoning
The topic will be sticky for 2 days from starting


A new species of fish has just been discovered living in great numbers in the waters off Papua New Guinea. The fish exhibits some characteristics belonging to sharks, such as a cartilaginous skeleton. However, the fish also exhibits characteristics belonging to eels, such as a long, snake-like body. Because of the habitat where it was found and its obviously eel-like body, almost all scientists believe that the fish is an eel. But the cartilaginous skeleton puzzles them, since no known eel possesses one. So scientists are still unsure as to the fish's precise classification, but they agreed immediately that the most logical classification would be as either a shark or an eel.

The statements above, if true, most strongly support which of the following?

A. To be placed into a certain classification, a fish must possess all the characteristics of that classification.
B. Physical characteristics, such as skeletons, are scientists' primary means of classifying new species.
C. Some fish with cartilaginous skeletons are not sharks.
D. The waters off Papua New Guinea are generally hospitable to eels.
E. A fish cannot be both a shark and an eel.


I fell in the trap of D as well. but after checking LSAT, I find out that "either/or" means "at least one of the two". this definition implicitly allows that both elements occur... therefore, D is the correct answer.


Thank you for the explanation. I was wondering how E can be possibly wrong.
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Re: A new species of fish has just been discovered living in gre [#permalink]

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New post 04 Aug 2014, 02:46
bb61 wrote:
tuanquang269 wrote:
This is my new project: Renew Old Thread => Back to basic => Just try It and give your reasoning
The topic will be sticky for 2 days from starting


A new species of fish has just been discovered living in great numbers in the waters off Papua New Guinea. The fish exhibits some characteristics belonging to sharks, such as a cartilaginous skeleton. However, the fish also exhibits characteristics belonging to eels, such as a long, snake-like body. Because of the habitat where it was found and its obviously eel-like body, almost all scientists believe that the fish is an eel. But the cartilaginous skeleton puzzles them, since no known eel possesses one. So scientists are still unsure as to the fish's precise classification, but they agreed immediately that the most logical classification would be as either a shark or an eel.

The statements above, if true, most strongly support which of the following?

A. To be placed into a certain classification, a fish must possess all the characteristics of that classification.
B. Physical characteristics, such as skeletons, are scientists' primary means of classifying new species.
C. Some fish with cartilaginous skeletons are not sharks.
D. The waters off Papua New Guinea are generally hospitable to eels.
E. A fish cannot be both a shark and an eel.


I fell in the trap of D as well. but after checking LSAT, I find out that "either/or" means "at least one of the two". this definition implicitly allows that both elements occur... therefore, D is the correct answer.

Are you sure about this?
Either one or two means it's just one of the two... can't be both.... am I wrong?
What you are saying sounds very strange.....

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Re: A new species of fish has just been discovered living in gre   [#permalink] 04 Aug 2014, 02:46

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