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GMAT and Related Discussions Discuss questions regarding the Verbal & Quantitative section in the GMAT.

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Re: GMAT Problem Discussion
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Re: GMAT Problem Discussion - 10-01-2007, 06:35 PM

Another set fo Questions.......

Because natural gas is composed mostly of methane, a simple hydrocarbon, vehicles powered by natural gas emit less of certain pollutants than the burning of gasoline or diesel fuel.

(A) less of certain pollutants than the burning of gasoline or diesel fuel
(B) fewer of certain pollutants than burning gasoline or diesel fuel do
(C) less of certain pollutants than gasoline or diesel fuel
(D) fewer of certain pollutants than does burning gasoline or diesel fuel
(E) less of certain pollutants than those burning gasoline or diesel fuel




Because of the business community’s uncertainty about the President’s position in regard to the issue of the budget deficit, an unanticipated rise in interest rates has occurred.
(A) in regard to the issue of the budget deficit, an unanticipated rise in interest rates has
(B) on the deficit, an unanticipated rise in interest rates has
(C) regarding the budgetary deficit, an unanticipated rise in interest rates have
(D) on the deficit, an unanticipated rise in interest rates have
(E) regarding the deficit, an unanticipated rise in interest rates have




Because of the enormous research and development expenditures required to survive in the electronics industry, an industry marked by rapid innovation and volatile demand, such firms tend to be very large.
(A) to survive
(B) of firms to survive
(C) for surviving
(D) for survival
(E) for firms’ survival




And Puys, this is stil unaswered.....
I aslo wanted to know is this a type of BOLDFACE Question??

Consumer advocate: it is generally true, at least in this state, that lawyers who advertise a specific service
charge less for that service than lawyers who do not advertise. It is also true that
each time restrictions on the
advertising of legal services have been eliminated, the number of lawyers advertising their services has
increased and legal costs to consumers have declined in consequence.
However, eliminating the state
requirement that legal advertisements must specify fees for specific services would almost certainly increase
rather than further reduce consumer’s legal costs. Lawyers would no longer have an incentive to lower their fees
when they begin advertising and
if no longer required to specify fee arrangements, many lawyers who now
advertise would increase their fees.

In the consumer advocate’s argument, the two portions in
boldface play which of the following roles?
(A) The first is a generalization that the consumer advocate accepts as true; the second is presented as a
consequence that follows from the truth of that generalization.
(B) The first is a pattern of cause and effect that the consumer advocate argues will be repeated in the case at
issue; the second acknowledges a circumstance in which that pattern would not hold.
(C) The first is pattern of cause and effect that the consumer advocate predicts will not hold in the case at issue;
the second offers a consideration in support of that prediction.
(D) The first is evidence that the consumer advocate offers in support of a certain prediction; the second is that
prediction.
(E) The first acknowledges a consideration that weighs against the main position that the consumer advocate
defends; the second is that position.

   
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Re: GMAT Problem Discussion
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Re: GMAT Problem Discussion - 10-01-2007, 06:36 PM

Quote:
Originally Posted by mucool View Post
Guyzz!!

check out my refracted reality blog....my other passion is arts...hope u all will like it!!

and comments are most welcome...

satish!! u can hav a look...i told u that day!!
LOL mucool... i meant to say thank you to ur other post but clicked on dis one...
tis good that u are taking out time to help us puys.
and yes, i will have a look at ur refracted reality blog...just that blog sites are blocked from office m/c. will check from home.

Cheers!
Satish


Past and future are mere illusions created by the mind. The truth is only the present.
   
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Re: GMAT Problem Discussion
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Re: GMAT Problem Discussion - 10-01-2007, 06:39 PM

Quote:
Originally Posted by mucool View Post
Guyzz!!

check out my refracted reality blog....my other passion is arts...hope u all will like it!!

and comments are most welcome...

satish!! u can hav a look...i told u that day!!
Cool, awesome paintings Mukul .....
Puys you must have alook at his blog

And thanks for the analysis Mukul
   
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Re: GMAT Problem Discussion
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Re: GMAT Problem Discussion - 10-01-2007, 11:26 PM

Quote:
Originally Posted by mucool View Post
Guyzz!!

check out my refracted reality blog....my other passion is arts...hope u all will like it!!

and comments are most welcome...

satish!! u can hav a look...i told u that day!!
Whoa man whoa!! really i am damn impressed! The paintings are really really neat, I must say!! you have infact inspied me to take out my old brush and to let it smother the canvas with some paint...really!
cheers!
Satish


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Question from GMATPREP
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Question from GMATPREP - 11-01-2007, 12:08 AM

Gurus,

I got stumped by fairly basic questions from GMAT Prep. I'd better read the chapter on exponents once again ! Can someone help me with these questions:

Q1. 5^21 * 4^ 11 = 2 * 10 ^x
Determine value of X


Q2. 2 ^ (4-1)^2 / 2 = ??

I was surprised to see the answer or Q2 as 2^8 . I was expecting 2^5 as answer. I didn't know that there is an exponent of an exponent. I expcted it to evaluate as 2 ^(3*2) / 2, but it turned out to be 2^9 /2.

Any inputs please?

Thanks in advance.
   
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Re: Question from GMATPREP
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Re: Question from GMATPREP - 11-01-2007, 12:56 AM

Quote:
Originally Posted by Alpha_Victor View Post
Gurus,

I got stumped by fairly basic questions from GMAT Prep. I'd better read the chapter on exponents once again ! Can someone help me with these questions:

Q1. 5^21 * 4^ 11 = 2 * 10 ^x
Determine value of X
first step... 4^11 = 2^22
second step... 2^22 = 2*2^21
third step... club 5 and 2 together since now they hav same powers...
that gives...10^21
so X = 21

Quote:

Q2. 2 ^ (4-1)^2 / 2 = ??

I was surprised to see the answer or Q2 as 2^8 . I was expecting 2^5 as answer. I didn't know that there is an exponent of an exponent. I expcted it to evaluate as 2 ^(3*2) / 2, but it turned out to be 2^9 /2.

Any inputs please?

Thanks in advance.
the mistake u made is....u evaluated division before exponent...
PEMDAS rule says...exponent before division...

so we proceed as...
P = parantheses...(4-1) = 3
now E = exponents... 2^(3)^2= 2^9
now D = division...(2^9)divided by 2 will give 2^8
answer 8

Cheers!!


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Re: GMAT Problem Discussion
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Re: GMAT Problem Discussion - 11-01-2007, 06:33 AM

Thanks a lot Mucool... no wonder you bagged 770 on the test !

Here is one more from the world of exponents.. I'm sure this is easier than it looks.. but not easy enough..

!. What is the value of 4^1/2 + 4^1/3 + 4^ 1/4

Options were like :

1.Between 2 and 3
2.Greater than 3
3.Greater than 4

Last edited by Alpha_Victor; 11-01-2007 at 08:36 AM.
   
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Re: GMAT Problem Discussion
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Re: GMAT Problem Discussion - 11-01-2007, 06:41 AM

Here are some more questions from GMATPREP .... can someone help please
(Check the attachments please)

Thanks !
Attached Images
File Type: jpg q1.jpg (20.4 KB, 28 views)
File Type: jpg Question2_PG.jpg (41.0 KB, 20 views)
File Type: jpg Question3_PG.jpg (29.8 KB, 19 views)
   
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Re: GMAT Problem Discussion
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Re: GMAT Problem Discussion - 11-01-2007, 09:05 AM

Quote:
Originally Posted by Alpha_Victor View Post
Thanks a lot Mucool... no wonder you bagged 770 on the test !

Here is one more from the world of exponents.. I'm sure this is easier than it looks.. but not easy enough..

!. What is the value of 4^1/2 + 4^1/3 + 4^ 1/4

Options were like :

1.Between 2 and 3
2.Greater than 3
3.Greater than 4
Alpha, the answer will be 3.Greater than 4
My analyssi...

4^1/2 + 4^1/3 + 4^ 1/4

4^1/2 = Square root of 4 = 2
4^1/3 = Cube root of 4 = (This is greater than 1.) Let it be 1.x
4^1/4 = 2^(2/4) = 2^1/2 = Square root of 2 = 1.4 (approx)

so the sum = 2 + 1.x + 1.4 > 4.
   
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Re: GMAT Problem Discussion
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Re: GMAT Problem Discussion - 11-01-2007, 09:15 AM

Quote:
Originally Posted by Alpha_Victor View Post
Here are some more questions from GMATPREP .... can someone help please
(Check the attachments please)

Thanks !
2) The chair problemm.
b) Only B is required.
Analysis: First chair = $10, rest $1 / chair
usign (1) total cost > $30 = (10 + 20) min chirs can be 21 (10 + 20*1). So we cant decided on no of chairs.
using (2) Average = 1.36.
Let N be the no of chairs. therefore:
[10 + (N-1)*1]/N = 1.36
9 + N = 1.36N
9 = 0.36N
9/0.36 = N
N= 25.
Thus N > 24.
   
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