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# Laboratory rats and mice live up to 40 percent longer than

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Laboratory rats and mice live up to 40 percent longer than [#permalink]

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06 Apr 2012, 22:40
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Laboratory rats and mice live up to 40% longer than usual when fed a diet of at least 30% fewer calories than that which they would normally eat, but that otherwise contains all necessary vitamins and nutrients.

(A) of at least 30% fewer calories than that which they would normally eat, but that otherwise

(B) with at least 30% fewer calories than what they would normally eat though otherwise it

(C) that has at least 30% fewer of the calories than they would normally eat, but otherwise it

(D) that has at least 30% fewer calories than they would normally eat but that otherwise

(E) that has at least 30% fewer calories than that which they normally eat, though that otherwise

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Re: Laboratory rats and mice live up to 40 percent longer than [#permalink]

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11 Apr 2012, 03:20
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I choose D for the sake of parallelism. diet that.... but that
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Re: Laboratory rats and mice live up to 40 percent longer than [#permalink]

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11 Apr 2012, 07:49
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But isnt it wrong to say ......'calories than they'???? isnt tht comparing calories with 'they'-the rats??

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Re: Laboratory rats and mice live up to 40 percent longer than [#permalink]

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12 Apr 2012, 09:28
But isnt it wrong to say ......'calories than they'???? isnt tht comparing calories with 'they'-the rats??

I think this should be "calories than what they..."
They refer to rats and mice.
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Re: Laboratory rats and mice live up to 40 percent longer than [#permalink]

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12 Apr 2012, 14:57
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Hi,

Let me see if I can clear up any ambiguity

Laboratory rats and mice live up to 40 percent longer than usual when fed a diet of at least 30 percent fewer calories than that which they would normally eat, but that otherwise contains all necessary vitamins and nutrients.

(A) of at least 30 percent fewer calories than that which they would normally eat, but that otherwise

Typically 'diet of' is used to describe a specific food, 'a diet of bread and water.'

(B) with at least 30 percent fewer calories than what they would normally eat though otherwise it

What does the 'it' refer to. Also you want not use 'with' to describe the diet, but would instead use the relative pronoun 'that' to connect 'diet' to the relative clause.

(C) that has at least 30 percent fewer of the calories that they would normally eat, but otherwise it

Here the 'diet' is being compared to 'calories.'

(D) that has at least 30 percent fewer calories than they would normally eat but that otherwise

We need the use of 'that' after 'calories' to show that we are comparing 'diet of 30%...' to 'a diet they normally eat.' We use 'that' to take the place of 'diet.'

(E) that has at least 30 percent fewer calories than that which they would normally eat, though that otherwise

CORRECT: Here we are correctly comparing 'diet that has at least 30 percent fewer...' to 'that (diet) which they normally...'
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Re: Laboratory rats and mice live up to 40 percent longer than [#permalink]

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17 Apr 2012, 12:28
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hellscream wrote:
ChrisLele wrote:
Hi,

Let me see if I can clear up any ambiguity

Laboratory rats and mice live up to 40 percent longer than usual when fed a diet of at least 30 percent fewer calories than that which they would normally eat, but that otherwise contains all necessary vitamins and nutrients.

(A) of at least 30 percent fewer calories than that which they would normally eat, but that otherwise

Typically 'diet of' is used to describe a specific food, 'a diet of bread and water.'

(B) with at least 30 percent fewer calories than what they would normally eat though otherwise it

What does the 'it' refer to. Also you want not use 'with' to describe the diet, but would instead use the relative pronoun 'that' to connect 'diet' to the relative clause.

(C) that has at least 30 percent fewer of the calories that they would normally eat, but otherwise it

Here the 'diet' is being compared to 'calories.'

(D) that has at least 30 percent fewer calories than they would normally eat but that otherwise

We need the use of 'that' after 'calories' to show that we are comparing 'diet of 30%...' to 'a diet they normally eat.' We use 'that' to take the place of 'diet.'

(E) that has at least 30 percent fewer calories than that which they would normally eat, though that otherwise

CORRECT: Here we are correctly comparing 'diet that has at least 30 percent fewer...' to 'that (diet) which they normally...'

Thank you, I got the idea now .

Correct answer is D, its from gmat prep . 2 problems with E - though does not convey intended meaning & 'than that which they' should be 'than that they'

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Re: Laboratory rats and mice live up to 40 percent longer than [#permalink]

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19 Apr 2012, 21:15
ChrisLele wrote:
Hi,

Let me see if I can clear up any ambiguity

Laboratory rats and mice live up to 40 percent longer than usual when fed a diet of at least 30 percent fewer calories than that which they would normally eat, but that otherwise contains all necessary vitamins and nutrients.

(A) of at least 30 percent fewer calories than that which they would normally eat, but that otherwise

Typically 'diet of' is used to describe a specific food, 'a diet of bread and water.'

(B) with at least 30 percent fewer calories than what they would normally eat though otherwise it

What does the 'it' refer to. Also you want not use 'with' to describe the diet, but would instead use the relative pronoun 'that' to connect 'diet' to the relative clause.

(C) that has at least 30 percent fewer of the calories that they would normally eat, but otherwise it

Here the 'diet' is being compared to 'calories.'

(D) that has at least 30 percent fewer calories than they would normally eat but that otherwise

We need the use of 'that' after 'calories' to show that we are comparing 'diet of 30%...' to 'a diet they normally eat.' We use 'that' to take the place of 'diet.'

(E) that has at least 30 percent fewer calories than that which they would normally eat, though that otherwise

CORRECT: Here we are correctly comparing 'diet that has at least 30 percent fewer...' to 'that (diet) which they normally...'

My reasoning matches EXACTLY with ur's ....but this is a GMATPrep question and correct answer is D

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Re: Laboratory rats and mice live up to 40 percent longer than [#permalink]

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13 Oct 2012, 23:57
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the simplest way to attack E is, on GMAT, "which" cannot be used without a COMMA. That's enf to ding answer choice E!

HTH

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Re: Laboratory rats and mice live up to 40 percent longer than [#permalink]

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15 Oct 2012, 12:44
The Answer is D. The sentence tries to bring out the nature of the diet that the rats are eating.. The sentence says that the diet contains less calories, BUT (contains all the necessary vitamins and nutrients). This goes to show that the calorie content, does not affect the nutrition value of the food the rats are eating. ' THOUGH' in (E) is the wrong word.

Hope this helps....

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Re: Laboratory rats and mice live up to 40 percent longer than [#permalink]

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15 Oct 2012, 21:43
there are two things to keep parallel: the two qualities of the diet (calories and vitamins & minerals) and a comparison within that first quality (the number of calories). If we put the sentence together using choice D:

Laboratory rats and mice live up to 40 percent longer than usual when fed a diet that has at least 30 percent fewer calories than they would normally eat but that otherwise contains all necessary vitamins and nutrients.

We have:

a diet (that has...) but (that...contains...), which is parallel.

And:

a diet that has (at least 30 percent...fewer than...they would normally eat), which correctly compares the calories of the previous diet to the calories of the current diet.

The problem with "than that which" in Choice A is that it ruins the comparison: "a diet of at least 30 percent fewer calories than that which they would normally eat." Using "that which" refers back to "a diet" when we should use "fewer than" as in D.
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Re: Laboratory rats and mice live up to 40 percent longer than [#permalink]

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30 Nov 2012, 02:29
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Laboratory rats and mice live upto 40% longer than usual when fed a diet of at least 30% fewer calories than that which they would normally eat, but that otherwise contains all necessary vitamins and nutrients.

a)of at least 30% fewer calories than that which they would normally eat, but that otherwise

b) with at least 30% fewer calories than what they would normally eat though otheriwse it

c) that has at least 30% fewer of the calories than they would normally eat, but otherwise it

d) that has at least 30% fewer calories than they would normally eat but that otherwise

e) that has at least 30% fewer calories than that which they normally eat, though that otherise

OA
[Reveal] Spoiler:
D

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Re: Laboratory rats and mice live up to 40 percent longer than [#permalink]

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30 Nov 2012, 11:10
Marcab wrote:
Laboratory rats and mice live upto 40% longer than usual when fed a diet of at least 30% fewer calories than that which they would normally eat, but that otherwise contains all necessary vitamins and nutrients.

a)of at least 30% fewer calories than that which they would normally eat, but that otherwise

b) with at least 30% fewer calories than what they would normally eat though otheriwse it

c) that has at least 30% fewer of the calories than they would normally eat, but otherwise it

d) that has at least 30% fewer calories than they would normally eat but that otherwise

e) that has at least 30% fewer calories than that which they normally eat, though that otherise

OA
[Reveal] Spoiler:
After discussion

Ohh this is good 1 ...

a)of at least 30% fewer calories than that which they would normally eat, but that otherwise
- Cant use which without a comma or a preposition - eliminate

c) that has at least 30% fewer of the calories than they would normally eat, but otherwise it
- "30% fewer of the calories" is awkward. "30% fewer calories" would be sufficient.
I think there a comparison issue as well -> calories is compared with Mice and rats.

e) that has at least 30% fewer calories than that which they normally eat, though that otherise
- Cant use which without a comma or a preposition - eliminate

Between B and D

d) that has at least 30% fewer calories than they would normally eat but that otherwise
I guess we have comparison error here. But I really like the parallelism.

b) with at least 30% fewer calories than what they would normally eat though otheriwse it
comparison is OK and it has no other referent other than DIET....

What's the OA and Source sir?

Cheers

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Re: Laboratory rats and mice live up to 40 percent longer than [#permalink]

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30 Nov 2012, 11:19
I will post the OA soon.
Need not worry JP but yeah the source is Question Pack 1 from GMAC
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Re: Laboratory rats and mice live up to 40 percent longer than [#permalink]

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30 Nov 2012, 18:34
a)of at least 30% fewer calories than that which they would normally eat, but that otherwise
"That which" refers to the diet, whereas we're comparing the # of calories
b) with at least 30% fewer calories than what they would normally eat though otheriwse it
"diet with" is not a correct idiom. "What" seems unnecessary, too.
c) that has at least 30% fewer of the calories than they would normally eat, but otherwise it
Wrongly compares calories with "they" (mice).
d) that has at least 30% fewer calories than they would normally eat but that otherwise
1) ...."that"... "that" is in parallel
2) There is only one antecedent to "they". Although "calories" is closer, it doesn't make sense for "calories" to refer to "they".

e) that has at least 30% fewer calories than that which they normally eat, though that otherise
- just for fun, this one's solely wrong because "otherise" is misspelled

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Re: Laboratory rats and mice live up to 40 percent longer than [#permalink]

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11 Dec 2012, 20:42
crazypriya wrote:
IMO D

But a little doubtful between A and D.

Please do maintain the decorum of the verbal community by giving explanations.
Whats the doubt with A?
Check the items that are being compared.
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Re: Laboratory rats and mice live up to 40 percent longer than [#permalink]

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12 Dec 2012, 13:39
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Laboratory rats and mice live up to 40% longer than usual when fed a diet of at least 30% fewer calories than that which they would normally eat, but that otherwise contains all necessary vitamins and nutrients.

a)of at least 30% fewer calories than that which they would normally eat, but that otherwise

'A diet of X' implies that X is the actual thing being consumed. Rats can be fed a diet of insects, worms, etc. But I can hardly imagine a rat feasting on a delectable meal of 30% fewer calories.

b) with at least 30% fewer calories than what they would normally eat though otheriwse it

The 'it' is not necessary. To test this simply omit the 'it' and notice how the verb 'contains' unambiguously refers to diet.

c) that has at least 30% fewer of the calories than they would normally eat, but otherwise it

The same problem as (B).

d) that has at least 30% fewer calories than they would normally eat but that otherwise

'They' clearly refers to 'rats'. The 'but' sets up the necessary contrast. And there is no unnecessary 'it'. Therefore, (D) is the answer.

e) that has at least 30% fewer calories than that which they normally eat, though that otherwise

(E), like (A), implies that the rat is eating the 'diet'. Notice how 'that' refers to a diet - "than (the diet) they would normally eat."
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Re: Laboratory rats and mice live up to 40 percent longer than [#permalink]

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30 Mar 2013, 13:25
It was quite tough for me between D and E.

IMO D correctly shows comparison of 2 conditions of their diets "...30%..." and "than (that) they would normally eat"

A uses "of" which is inappropriate (unidiomatic)
B uses "with" which is inappropriate (unidiomatic)
C uses "30% fewer of the calories" which is incorrect
E uses "that has..." correct, "than that which..." incorrect - that and which both modifying same thing "diet"

Hope this helps
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Re: Laboratory rats and mice live up to 40 percent longer than [#permalink]

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31 Mar 2013, 21:36
mun23 wrote:
Laboratory rats and mice live up to 40% longer than usual when fed a diet of at least 30% fewer calories than that which they would normally eat, but that otherwise contains all necessary vitamins and nutrients.

a)of at least 30% fewer calories than that which they would normally eat, but that otherwise

b) with at least 30% fewer calories than what they would normally eat though otherwise it

c) that has at least 30% fewer of the calories than they would normally eat, but otherwise it

d) that has at least 30% fewer calories than they would normally eat but that otherwise

e) that has at least 30% fewer calories than that which they normally eat, though that otherwise

Need explanation...........

but that otherwise contains all necessary vitamins and nutrients - is dependent clause. Hence ,But must be avoided.
,though is wrong so that eliminates AC&E. In B usage of with is wrong. Hence D is right. This is my reasoning. Can someone validate ?

Last edited by vigneshceg on 31 Mar 2013, 22:21, edited 1 time in total.

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Re: Laboratory rats and mice live up to 40 percent longer than [#permalink]

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24 Apr 2013, 18:55
All duplicate threads on this topic have been merged.

Please check and follow the Guidelines for Posting in Verbal GMAT forum before posting anything.

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Re: Laboratory rats and mice live up to 40 percent longer than [#permalink]

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07 Aug 2014, 19:38
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Re: Laboratory rats and mice live up to 40 percent longer than   [#permalink] 07 Aug 2014, 19:38

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