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Galileo did not invent the telescope, but on hearing, in

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Re: Galileo did not invent [#permalink] New post 20 Mar 2011, 21:34
The question statement, regardless of being correct or not, implies that Galileo did NOT invent the telescope. This implies that when Galileo made his own device, there was in existence some version of a telescope already.
On this logic we can straight eliminate b and d even without looking at their other grammatical errors- they talk of telescope having been made/ being made- that is the other version of telescope is still in process of making. But that leaves a chance that Galileo did invent the telescope- which is in contradiction to the question statement.
c. wrong placement of 'on hearing', sentence is not structured correctly- skeleton says - Galileo, on hearing, he quickly built..incorrect
d. even though brings in cause effect connotation - makes it sound like galileo built his device, DESPITE not inventing telescope- As if inventig telescope is a cause and building device an effect- not logically correct. Incorrect option
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Re: Galileo did not invent the telescope, but on hearing, in [#permalink] New post 22 Jan 2012, 03:51
D for me though I dint understand the sentence structure..
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Re: Galileo did not invent the telescope, but on hearing, in [#permalink] New post 22 Jan 2012, 09:08
A stays after elimination, even though it looks redundant
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Re: Galileo did not invent the telescope, but on hearing, in [#permalink] New post 18 Dec 2012, 22:45
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nikhilsrl wrote:
Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he quickly built his own device from an organ pipe and spectacle lenses.

a) Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he
b) Galileo had not invented the telescope, but when he heard, in 1609, of such an optical instrument having been made,
c) Galileo, even though he had not invented the telescope, on hearing, in 1609, that such an optical instrument had been made, he
d) Even though Galileo did not invent the telescope, on hearing, in 1609, that such an optical instrument had been made,
e) Even though Galileo did not invent the telescope, but when he heard, in 1609, of such an optical instrument being made, he

OA is provided

[Reveal] Spoiler:
Why not D?

The modifiers CANNOT modify across "and", "but" etc.
The modifier in the status quo is "but on hearing". So it will modify the clause that comes just after this modifier WHEREAS without "but" in modifier, it seems that "on hearing" can modify either side of it, creating ambiguity.
B implies that Galileo WAS the inventer because the other device was being made; lacks the subject; is a run on.
C and D have modifier ambiguity.; D lacks the subject.
E changes the meaning by implying that the other device was still being made WHEREAS the original intent says that the other device had already been made.
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Re: Galileo did not invent the telescope, but on hearing, in [#permalink] New post 19 Dec 2012, 14:57
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Hi all.

Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he quickly built his own device from an organ pipe and spectacle lenses.

Since it is not difficult to understand the meaning of this sentence, let’s quickly get into the error analysis:

1. Use of past perfect tense is correct because 1609, the telescope had been already made and after that Galileo made his own version of the instrument. So there are two past events and “had been” correctly denotes that telescope was first made and then Galileo came up with his own version.
2. “but” correctly presents the contrast.
3. No errors.

PoE:

a) Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he: Correct for reasons stated above.

b) Galileo had not invented the telescope, but when he heard, in 1609, of such an optical instrument having been made, Incorrect.
1. Use of “had not invented” is incorrect because the sentence here just presents a general fact that should be written in simple past tense.
2. Use of “having been made” is also incorrect in this choice.
3. This choice also misses the subject “he” for the verb “built”.

c) Galileo, even though he had not invented the telescope, on hearing, in 1609, that such an optical instrument had been made, he: Incorrect.
1. Same verb tense error as in Choice B.
2. Use of pronoun “he” after “even though” is incorrect because Galileo has already been mentioned in the beginning of the sentence. This construction makes Galileo hanging without a verb.
3. Use of “even though” is incorrect. This expression is used to present contrast in that it denotes two opposite situations. For example:
Even though he is poor, he has managed to go to a good B school.
However, this choice does not present opposite situations. It simply says that Galileo did not invent telescope but he later developed one. There is co opposite things going on in here.

d) Even though Galileo did not invent the telescope, on hearing, in 1609, that such an optical instrument had been made,: Incorrect.
1. Use of “even though” is incorrect as in Choice C.
2. Absence of “he” before “built” leaves this verb without any subject.

e) Even though Galileo did not invent the telescope, but when he heard, in 1609, of such an optical instrument being made, he: Incorrect.
1. Use of “even though” is incorrect.
2. Use of “but” is redundant because “even though” already presents the contrast.

Hope this helps. :)
Thanks.
Shraddha
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Re: Galileo did not invent the telescope, but on hearing, in [#permalink] New post 04 May 2013, 19:11
All duplicate threads on this topic have been merged.

Please read and follow the Guidelines for Posting in Verbal GMAT forum before posting anything.
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Re: Galileo did not invent the telescope, but on hearing, in [#permalink] New post 07 Jul 2013, 03:02
can somebody plz explain the difference between "on hearing that" and "when he heard of"? I think both is correct but it is a difference in the sentences and I was not able to understand the different meanings of it
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Re: Galileo did not invent the telescope, but on hearing, in [#permalink] New post 07 Jul 2013, 23:53
Hi Jaiidex,

In my opinion, the difference between the two for GMAT purposes at least is not worth worrying about. There may be a difference in style, but that's it.

You've correctly ascertained that there is no grammatical issue with either, so this should suffice...
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Re: Galileo did not invent the telescope, but on hearing, in [#permalink] New post 10 Feb 2014, 17:36
Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he quickly built his own device from an organ pipe and spectacle lenses.

A. Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he Best choice - all verbs work together

B. Galileo had not invented the telescope, but when he heard, in 1609, of such an optical instrument having been made, Wrong - second clause is a fragment; no need for past participle + "invented" because the sentence is clear without it.

C. Galileo, even though he had not invented the telescope, on hearing, in 1609, that such an optical instrument had been made, he Wrong - two subjects in the sentence; part participle + "invented" is not needed because there is no need to distinguish the past; wordy and awkward.

D. Even though Galileo did not invent the telescope, on hearing, in 1609, that such an optical instrument had been made, Wrong - sentence is a fragment without a subject.

E. Even though Galileo did not invent the telescope, but when he heard, 1609, of such an optical instrument being made, he Wrong - multiple modifiers make the sentence wordy; "being made" indicates a progressive tense, altering the meaning of the sentence.

IMO A
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Re: Galileo did not invent the telescope, but on hearing, in [#permalink] New post 10 Feb 2014, 17:43
jaideex wrote:
can somebody plz explain the difference between "on hearing that" and "when he heard of"? I think both is correct but it is a difference in the sentences and I was not able to understand the different meanings of it


"on hearing" is an prepositional phrase, and the object of the preposition is the gerund "hearing." Thus, "hearing" must be a noun which implies the act of hearing.

"when he heard of" is adverbial clause, and "heard" is describes the noun - i.e. what the subject does.

In general, "on hearing" is wordy and imprecise because other phrases are likely to follow. After all, it's natural that someone creates a sentence from either a series of prepositional phrases or structured with relative pronouns. Good writers can mix both together. Only if the answer choice permits, choose the less wordy one.

I hope this helps.
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Re: Galileo did not invent the telescope, but on hearing, in [#permalink] New post 06 Jun 2014, 02:22
Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he quickly built his own device from an organ pipe and spectacle lenses.

A. Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he

B. Galileo had not invented the telescope, but when he heard, in 1609, of such an optical instrument having been made,

C. Galileo, even though he had not invented the telescope, on hearing, in 1609, that such an optical instrument had been made, he

D. Even though Galileo did not invent the telescope, on hearing, in 1609, that such an optical instrument had been made,

E. Even though Galileo did not invent the telescope, but when he heard, 1609, of such an optical instrument being made, he

a good game on verb tense.

"had not invented" is not correct in B and C. had done is used to show an action finished before a past time/action, this usage the only one of had done.
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Re: Galileo did not invent the telescope, but on hearing, in [#permalink] New post 31 Jul 2014, 06:33
Since this sentence involves two action which happened in past so 1st past indefinite and 2nd should be in past perfect, A has all :)
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Galileo did not invent the telescope, but on hearing, in [#permalink] New post 29 Sep 2014, 10:59
Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he quickly built his own device from an organ pipe and spectacle lenses.

A. Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he : Correct Choice

B. Galileo had not invented the telescope, but when he heard, in 1609, of such an optical instrument having been made, - he absent from 2nd clause and having been made is wrong

C. Galileo, even though he had not invented the telescope, on hearing, in 1609, that such an optical instrument had been made, he - Verb failed to show time sequence

D. Even though Galileo did not invent the telescope, on hearing, in 1609, that such an optical instrument had been made, - He absent from 2nd clause

E. Even though Galileo did not invent the telescope, but when he heard,in 1609, of such an optical instrument being made, he - Use of Even though and but is redundant
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Re: Galileo did not invent the telescope, but on hearing, in [#permalink] New post 29 Sep 2014, 11:06
egmat wrote:
Hi all.

Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he quickly built his own device from an organ pipe and spectacle lenses.

Since it is not difficult to understand the meaning of this sentence, let’s quickly get into the error analysis:

1. Use of past perfect tense is correct because 1609, the telescope had been already made and after that Galileo made his own version of the instrument. So there are two past events and “had been” correctly denotes that telescope was first made and then Galileo came up with his own version.
2. “but” correctly presents the contrast.
3. No errors.

PoE:

a) Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he: Correct for reasons stated above.

b) Galileo had not invented the telescope, but when he heard, in 1609, of such an optical instrument having been made, Incorrect.
1. Use of “had not invented” is incorrect because the sentence here just presents a general fact that should be written in simple past tense.
2. Use of “having been made” is also incorrect in this choice.
3. This choice also misses the subject “he” for the verb “built”.

c) Galileo, even though he had not invented the telescope, on hearing, in 1609, that such an optical instrument had been made, he: Incorrect.
1. Same verb tense error as in Choice B.
2. Use of pronoun “he” after “even though” is incorrect because Galileo has already been mentioned in the beginning of the sentence. This construction makes Galileo hanging without a verb.
3. Use of “even though” is incorrect. This expression is used to present contrast in that it denotes two opposite situations. For example:
Even though he is poor, he has managed to go to a good B school.
However, this choice does not present opposite situations. It simply says that Galileo did not invent telescope but he later developed one. There is co opposite things going on in here.

d) Even though Galileo did not invent the telescope, on hearing, in 1609, that such an optical instrument had been made,: Incorrect.
1. Use of “even though” is incorrect as in Choice C.
2. Absence of “he” before “built” leaves this verb without any subject.

e) Even though Galileo did not invent the telescope, but when he heard, in 1609, of such an optical instrument being made, he: Incorrect.
1. Use of “even though” is incorrect.
2. Use of “but” is redundant because “even though” already presents the contrast.

Hope this helps. :)
Thanks.
Shraddha


Hi Shraddha
Two confusion:

1. Can you please explain the use of did invented here. Would the use of did invented be wrong?
2. Is there any difference here in on hearing and when he heard

Thanks in advance.
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Re: Galileo did not invent the telescope, but on hearing, in   [#permalink] 29 Sep 2014, 11:06
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