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Galileo did not invent the telescope, but on hearing, in 1609, that su

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Galileo did not invent the telescope, but on hearing, in 1609, that su [#permalink]

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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
[Reveal] Spoiler: OA

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Re: Galileo did not invent the telescope, but on hearing, in 1609, that su [#permalink]

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New post 26 Jan 2005, 16:54
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The answer is A .
But for the qn what is wrong with two hads..
The invention is a one time activity and so past perfect tense shouldn't be used.
It should be ..he didn't invent..but not he had not invented(Its not continuing).
We are talking abt an instance of an event(invention), which didn't take place.

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Re: Galileo did not invent the telescope, but on hearing, in 1609, that su [#permalink]

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New post 26 Jan 2005, 21:47
But if it happened even before something else in the past (hearing the news in this case), shouldn't past perfect be used? For example, "I had thought that he was wrong before he explained." Would it be wrong to say "He had already invented it when other people started to think about it"? If no, why would it be wrong to say "He had not invented when other people started to think about it"? Is it because it in fact did not happen, rather than "happened before something else in the past"?

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Re: Galileo did not invent the telescope, but on hearing, in 1609, that su [#permalink]

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New post 06 Nov 2005, 02:18
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B. no reason to use past perfect tense.
C. redundant subject - Galileo and he
D. subject not present
E. 1609 is wrong. we need a preposition.
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Re: Galileo did not invent the telescope, but on hearing, in 1609, that su [#permalink]

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nakib77 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, 1609, of such an optical instrument being made, he


E: "even though" together with " but" is redundant--> out
D: "even though" forms two related clauses, we can't find the subject for th 2nd clause in D--> out.
B: yup, the use of past perfect is unsuitable here-->out
C: every part is disorderly displaced---> out.
A it is.

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Re: Galileo did not invent the telescope, but on hearing, in 1609, that su [#permalink]

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New post 06 Apr 2008, 20:57
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GMAT TIGER wrote:
neelesh 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, he
(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


A. sequence of tense.


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.

1. "Galileo did not invent the telescope" is an independent clause.
2. "but on hearing, in 1609, that such an optical instrument had been made" is a dependent clause.
3. "he quickly built his own device from an organ pipe and spectacle lenses" is an independent clause.

Sequense of events: "such an optical instrument had been made" occured before "Galileo did not invent the telescope" and "he quickly built his own device from an organ pipe and spectacle lenses". so

1. "Galileo did not invent the telescope" is in past perfect tense.
2. "but on hearing, in 1609, that such an optical instrument had been made" is in simple past tense.
3. "he quickly built his own device from an organ pipe and spectacle lenses" is in simple past tense.

so choices other than A violets these rules and are incorrect....
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Re: Galileo did not invent the telescope, but on hearing, in 1609, that su [#permalink]

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abhijit_sen 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


I would go with A.

A: Correct
B: wrong use of verb tenses -- had not invented implies that he will invent the telescope in the future
C: Galileo, on hearing that such an optical instrument had been made, he -- totally wrong
D: missing "he" at the end
E: "even though" and "but" are redundant

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Re: Galileo did not invent the telescope, but on hearing, in 1609, that su [#permalink]

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New post 25 Jul 2008, 21:13
abhijit_sen 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


B, D -- are out.. "he" is missing before "quicklly"
C -- Galileo,...,he .. he is redundant
E. eventhough .. but --> redundant and "being made" --> wrong

A -- looks better.

Galileo didn't invednted (pastense),... optical instrument had been made.(past perfect -- passive voice.)

pefect..
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Re: Galileo did not invent the telescope, but on hearing, in 1609, that su [#permalink]

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New post 25 Jul 2008, 21:31
abhijit_sen 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


To be frank i found it tough :(

Did not invent should be correct since invention is one time event
had not invnted deviates us thinkin he had not invented but can invent later .So eliminate B,C
NOw remains A,D,E :
E is eliminated since even though... but usage is not suggested
D is eliminated since HE is missing here statement apopears incomplete
A is perfect => IMO A
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Re: Galileo did not invent the telescope, but on hearing, in 1609, that su [#permalink]

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Re: Galileo did not invent the telescope, but on hearing, in 1609, that su [#permalink]

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New post 01 May 2009, 08:16
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There's a really good explanation for this question here:
http://www.beatthegmat.com/gmat-prep-ga ... 34256.html

It's funny, because I've done this sentence more than 5 times, and each time I'm just as hesitant. The link above is probably the most thorough explanation I have read for this particular sentence.

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Re: Galileo did not invent the telescope, but on hearing, in 1609, that su [#permalink]

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New post 02 May 2009, 10:22
Use if "but"in E, when "Even though" is already there is not required.
In C, Wrong use of pronoun in the modifier.
Verb tense error in B
D has missiong pronoun.
So IMO A
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Re: Galileo did not invent the telescope, but on hearing, in 1609, that su [#permalink]

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New post 04 Feb 2010, 17:20
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Lets use POE

You need had been -because instrument was built first and then Galileo heard
so, B and E - gone

OK , A,C and D

D - I like D if there was a ' he ' in the end , without that this sentence goes for a toss

C is no good as well , if you remove all non-required clauses - you are left with Galileo and he . Also , this sentence uses two had been - not a good way to describe sequence of events - gone

A is the answer
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Re: Galileo did not invent the telescope, but on hearing, in 1609, that su [#permalink]

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New post 18 Jun 2010, 07:35
noboru,

I think if there is some contrast in the sentence and conjuction is present then we need a subject. For example,
Although X...., subject
x........, but (pronoun-x)/y.........

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Re: Galileo did not invent the telescope, but on hearing, in 1609, that su [#permalink]

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A.

I had a slightly different approach.

Besides C, D and E having all sorts of errors, I would eliminate C, D and E because even though would change the context slightly.
The original sentence emphasizes the fact that he wasn't the first person to invent the telescope. Inserting even though instead of but, the passage seems to emphasize the fact he did made the telescope and sounds more forgiving about the fact he wasn't the first.

Having been made on B is obviously wrong. so I went with A.

Does my reasoning make sense or valid? let me know.
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Re: Galileo did not invent the telescope, but on hearing, in 1609, that su [#permalink]

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Hey guys,

I've always liked this question. My approach:

First, whenever I see a question with a large portion underlined and without a clear (to me) decision point in that underline, I like to look at the first and last word of the answer choices to see if I can find a quick decision point. Very frequently the first or last words are different and you can determine whether you need one or the other.

Here, three use the last word "he" and two do not, so that became a first decision point for me. You'd need "he" in this case to refer back to Galileo unless the verb that follows "quickly built" is set up as a parallel verb to another past tense event before it. Because that doesn't happen in B or D, they're both incorrect.

The first words, either "Galileo" or "Even though Galileo", also note a decision to be made - here, you have to set up a transition between "did not invent the telescope" and "built one quickly after it was invented (paraphrase)". That can be done either with "Even though" at the beginning or "but" halfway through, but not with both. Therefore, E, which does both, is incorrect.

Keeping on that theme, check C for that transition - C uses "even though", but does so as a modifier to describe Galileo. Because modifiers separated by commas are nonessential information, you can remove them to check the rest of the sentence. Here, you'd then have:

Galileo he quickly built...

That's a redundant, unnecessary use of a pronoun and it's used without separation, so it's incorrect. A, although incredibly awkward to the ear, is the only one left standing without error, and is therefore correct.
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Re: Galileo did not invent the telescope, but on hearing, in 1609, that su [#permalink]

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New post 17 Jan 2011, 01:29
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noboru wrote:
Hi,
But in D, there is actually a || between did not invent and built, so I dont follow you when you say that "he" is needed there.
Could you clarify?
Thanks!


hi noboru,
Let me try to work out your concern about (D).
First Look at "even though blah blah blah"
1. When we have a sentence beginning with "even though,...",the clause following "even though" is subordinate clause and we need the main clause which have S + V --> that why we need "he" working as a S here
2. "even though" is different in meaning with "but. "Even though" shows something paradox so it is not appropriate when applying in the meaning of this sc.
Hope it helps. Please correct me if i'm wrong
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Re: Galileo did not invent the telescope, but on hearing, in 1609, that su [#permalink]

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New post 28 Jan 2011, 07:01
daryayurlova 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)
(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, o such an optical instrument being made, he


Here your ability to notice redundancy is being tested.
In E the idea of contrast is already expressed in but or even though so you don't need both to express that idea. E is out.
In D we want to express that there is a contrast but the way eventhough is used here kind of alters the meaning of the sentence. Even though also means in spite of the fact that, and that is not the idea that we want to express (according to the original sentence).
D is out.
In C, for the same reason as D you can eliminate C.
In B, the verb tenses used are not correct. "Galileo had not invented the telescope" the words in red should have been written in the simple past tense because what Galileo did was in fact in the past. "of such an optical instrument having been made" the words in blue should have been in the past perfect tense b/c that occurrence happened before an occurrence (Galileo did not invent the telescope) that took place in the past.

A is correct. On hearing is like saying upon hearing or right after he heard. That is the correct idiom.
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Re: Galileo did not invent the telescope, but on hearing, in 1609, that su [#permalink]

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New post 20 Mar 2011, 22:34
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 1609, that su [#permalink]

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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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