GMAT Problem Solving Discussions


Expln: It chould be make. hence The ans lies b/w d and e. E Sounds better. (tough which becomes a bit verbose)


I think a comma is always required before "which". Thats why I eliminated it.

But you never know...I have been dumb many times!!

Cheers!
Satish

I think that gmat doesnt look into punctuation that much....i am not prety sure on this? does anyone have an idea?

Try this.....

Camus broke with Sartre in a bitter dispute over the nature of Stalinism.

(A) in a bitter dispute over
(B) over bitterly disputing
(C) after there was a bitter dispute over
(D) after having bitterly disputed about
(E) over a bitter dispute about

And this also. Please post the analysis.

Canadian scientists have calculated that one human being should be struck every nine years by a meteorite, while each year sixteen buildings can be expected to sustain damage from such objects.

(A) one human being should be struck every nine years by a meteorite
(B) a human being should be struck by a meteorite once in every nine years
(C) a meteorite will strike one human being once in every nine years
(D) every nine years a human being will be struck by a meteorite
(E) every nine years a human being should be struck by a meteorite

Last on for today.....

Car owners who inflate their tires properly can substantially boost their vehicles' fuel efficiency, since the increase in car-road friction can waste up to five percent of car fuel by underinflation.

(A) Car owners who inflate their tires properly can substantially boost their vehicles' fuel efficiency, since the increase in car-road friction can waste up to five percent of car fuel by underinflation.
(B) Because the underinflation of tires can waste up to five percent of a car's fuel by increasing car-road friction, car owners can substantially boost their vehicles' fuel efficiency by properly inflating the tires.
(C) Their vehicles' fuel efficiency is substantially boosted by car owners through the proper inflation of tires that, when underinflated, can waste up to five percent of car fuel by an increase in car-road friction.
(D) The proper inflation of tires by car owners, due to the fact that underinflation can waste up to five percent of a car's fuel by the increase of car-road friction, can substantially boost their fuel efficiency.
(E) Because up to five percent of a car's fuel are wasted through the increases in car-road friction when the tires are underinflated, car owners properly inflating tires can substantially boost their fuel efficiency.

Why is the answer (E) and not (B)?? Please explain!!


Carpenters, dentists, sewing machine operators, needlepointers, piano players, and indeed anyone who works with their hands for long hours can get carpal tunnel syndrome.

(A) anyone who works
(B) anyone working
(C) workers
(D) those for whom work is
(E) any people who work

Why is the answer (E) and not (B)?? Please explain!!


Carpenters, dentists, sewing machine operators, needlepointers, piano players, and indeed anyone who works with their hands for long hours can get carpal tunnel syndrome.

(A) anyone who works
(B) anyone working
(C) workers
(D) those for whom work is
(E) any people who work


B is wrong because B says "anyone working". Anyone is singular.
e.g. He has a problem. Anyone has a problem.
If you look at the sentence, it has all plurals in it...carpenters, dentists etc. So, we have to look for a plural. Thus, A, B are gone.
C doesn't make sense.
D is also wrong because it is too awkward.
So, E. :)
Wooo hoo! I can do it if I know the answer!!

Cheers!
Satish
Last on for today.....

Car owners who inflate their tires properly can substantially boost their vehicles fuel efficiency, since the increase in car-road friction can waste up to five percent of car fuel by underinflation.

(A) Car owners who inflate their tires properly can substantially boost their vehicles fuel efficiency, since the increase in car-road friction can waste up to five percent of car fuel by underinflation.
(B) Because the underinflation of tires can waste up to five percent of a cars fuel by increasing car-road friction, car owners can substantially boost their vehicles fuel efficiency by properly inflating the tires.
(C) Their vehicles fuel efficiency is substantially boosted by car owners through the proper inflation of tires that, when underinflated, can waste up to five percent of car fuel by an increase in car-road friction.
(D) The proper inflation of tires by car owners, due to the fact that underinflation can waste up to five percent of a cars fuel by the increase of car-road friction, can substantially boost their fuel efficiency.
(E) Because up to five percent of a cars fuel are wasted through the increases in car-road friction when the tires are underinflated, car owners properly inflating tires can substantially boost their fuel efficiency.


A is not correct because: It uses since...Since is mainly used to denote a time period. e.g.
"Youre looking much better since you came out of hospital"

I think B is correct. It uses because - correct conjunction to be used to denote a reason. Also, by placing the reason first, it kind of creates more emphasis.

C is incorrect because it starts awkwardly...and the entire sentence is kind of skrewed up.

D is also wrong for the same reasons as C...very awkward.

E is wrong: Because....through...when, car owners properly inflating tires can substantially boost their fuel efficiency. Their acts on tires...not on cars.

Hope this is correct! :)
Cheers!
Satish
Try this.....

Camus broke with Sartre in a bitter dispute over the nature of Stalinism.

(A) in a bitter dispute over
(B) over bitterly disputing
(C) after there was a bitter dispute over
(D) after having bitterly disputed about
(E) over a bitter dispute about


B and D are ridiculous...out
dispute over is the correct usage...E out
A and C....
A is concise...I wud go for A here.
REPLY TO POST #165


the correct answer choice is 'E' indeed..
here in the sentence the thought process is for a certain group viz carpenters', sewing m/c operators etc and the the choice 'E' talks about that only..
where as the choice 'B' talks about only a single person
Why is the answer (E) and not (B)?? Please explain!!


Carpenters, dentists, sewing machine operators, needlepointers, piano players, and indeed anyone who works with their hands for long hours can get carpal tunnel syndrome.

(A) anyone who works
(B) anyone working
(C) workers
(D) those for whom work is
(E) any people who work


This is an example of bad sounding option being the correct one...

E is yucky but the ONLY option here....
as satish rightly said...anyone is singular....so anyone is an illogical fit...
A B out....C is ridiculous...
for a meaningful sentence 'any' has to be there...so replace 'one' with people and u get a plural subject...E.

Its yucky pravs....but u hav to go by elimination sometimes....

My tip...make a word...to memorise all the SC rules...and write down on the scratch paper...and tick off the letters (like M for modifiers, S for subject verb agreement....if they are tight...) this way u wont miss on the 8 rules or more...whatever u have....
the correct answer choice is 'E' indeed..
here in the sentence the thought process is for a certain group viz carpenters', sewing m/c operators etc and the the choice 'E' talks about that only..
where as the choice 'B' talks about only a single person


look what u hav put in quotes...dont confuse the already confused souls.... edit it and i will remove the groan...
What is the reminder when 9^1 + 9^2 + 9^3 + ...... + 9^9 is divided by 6?
(1) 0
(2) 3
(3) 4
(4) 2
(5) None of these

the solution to this Qn wil be 'E' (ANs :1)

soln:
Qn: (9^1 + 9^2 + 9^3 + ...... + 9^9)/6

= (3(1+9^1 + 9^2 + 9^3 + ...... + 9^8 )/2
=(3( (1+(odd number+odd number)....(odd number+odd number))/2
now odd+odd=even
=> (3(1+(even)*4))/2
which is (even/2) + 1/2
thus the remainder will be ONE

enjoy
And this also. Please post the analysis.

Canadian scientists have calculated that one human being should be struck every nine years by a meteorite, while each year sixteen buildings can be expected to sustain damage from such objects.

(A) one human being should be struck every nine years by a meteorite
(B) a human being should be struck by a meteorite once in every nine years
(C) a meteorite will strike one human being once in every nine years
(D) every nine years a human being will be struck by a meteorite
(E) every nine years a human being should be struck by a meteorite


'A' seems to be the correct answer..
Gus please help me soleve his:

2 sub-commitees of 3 member each are to be formed from a 6 member commitee comprising of A, B and 4 others.

What is the chance that B gets staffed only on those commitees in which A is present.

My asnwer is 20%, correct answer 40%...........

Wording of the question may be slighly different from what I have written,

Thanks


lets club A and B together.
now we have to select 1 (A and B together) off 5 for two cases ie two commitees
wich makes the Eqn as 2 off 5
which is 40%
the solution to this Qn wil be 'E' (ANs :1)

soln:
Qn: (9^1 + 9^2 + 9^3 + ...... + 9^9)/6

= (3(1+9^1 + 9^2 + 9^3 + ...... + 9^8 )/2
=(3( (1+(odd number+odd number)....(odd number+odd number))/2
now odd+odd=even
=> (3(1+(even)*4))/2
which is (even/2) + 1/2
thus the remainder will be ONE

enjoy


even i did the same mistake...the remainder must be 3. check my previous posts on this thread. :)

cheers!
Satish

The problem with these type of threads is that often AFTER a question has been posted and answered, puys still come back and post answers(the_manager no offence to you. the same thing's happened in the CAT section as well). While that's still not a bad thing, the problem is that the thread becomes longer with repeat posts making it difficult/tiresome for others to read through.


Am looking for solutions to this problem.

My idea was that the original Q poster will edit his post and add that the Q has been answered and link to the posts. Any other suggestions are always welcome.

Please note that I will be deleting this post and the suggestions that follow.



My idea was that the original Q poster will edit his post and add that the Q has been answered and link to the posts. Any other suggestions are always welcome.


I cant think of any other better option...

Cheers!
Satish

Analysis for this.....

Charlotte Perkins Gilman, a late nineteenth-century feminist, called for urban apartment houses including child-care facilities and clustered suburban houses including communal eating and social facilities.

(A) including child-care facilities and clustered suburban houses including communal eating and social facilities
(B) that included child-care facilities, and for clustered suburban houses to include communal eating and social facilities
(C) with child-care facilities included and for clustered suburban houses to include communal eating and social facilities
(D) that included child-care facilities and for clustered suburban houses with communal eating and social facilities
(E) to include child-care facilities and for clustered suburban houses with communal eating and social facilities included

20 Chicago, where industrial growth in the nineteenth century was more rapid than any other American city, was plagued by labor troubles like the Pullman Strikes of 1894.

(A) where industrial growth in the nineteenth century was more rapid than any other American city
(B) which had industrial growth in the nineteenth century more rapid than that of other American cities
(C) which had growth industrially more rapid than any other American city in the nineteenth century
(D) whose industrial growth in the nineteenth century was more rapid than any other American city
(E) whose industrial growth in the nineteenth century was more rapid than that of any other American city

Computers are becoming faster, more powerful, and more reliable, and so too are modems, they are the devices to allow two or more computers to share information over regular telephone lines.

(A) so too are modems, they are the devices to allow
(B) so too are modems, the devices that allow
(C) so too modems, the devices allowing
(D) also modems, they are the devices that allow
(E) also modems, which are the devices to allow


... so too are... is this correct???

Correct answer = 'B'
Thanks to Neo2000