Search found 292 matches


The success of the program to eradicate smallpox has stimulated experts to pursue w hat they had not previously considered possible -- better control, if not eradication, of the other infections such as measles and yaws. A. what they had not previously considered possible -- better control, if not ...

by pnk

Sat Aug 21, 2010 7:07 am
Forum: Sentence Correction
Topic: smallpox
Replies: 14
Views: 5316

As it is with traditional pharmacies, online drugstores rely on prescriptions to be successful , since it is primarily prescriptions that attract the customers, who then also buy other health-related items. A. As it is with traditional pharmacies, online drugstores rely on prescriptions to be succe...

by pnk

Thu Aug 19, 2010 5:50 pm
Forum: Sentence Correction
Topic: Prescription
Replies: 10
Views: 3734

Though question stem says main point question, I feel this is inference question A report on the likely effects of current levels of air pollutions on forest growth in North America concluded that, since nitrogen is necessary nutrient for optimal plant growth, the nitrogen deposited on forest soil ...

by pnk

Wed Aug 18, 2010 10:35 am
Forum: Critical Reasoning
Topic: Inference or main point??
Replies: 14
Views: 2629

One often hears that biographies are autobiographies, that the biographer is always writing about himself. On the contrary, serious biographers seek and welcome the unfamiliar, however troublesome to account for. Ron Chernow, the author of rich biographies of the American businessmen J.P. Morgan an...

by pnk

Mon Aug 16, 2010 7:20 pm
Forum: Reading Comprehension
Topic: Biography Passage
Replies: 7
Views: 3877

Hi Andrea, The colorization of black-and-white films by computers is defended by those who own the film rights, for the process can mean increased revenues for them; many others in the film industry, however, contend that the technique degrades major works of art, which they liken to putting lipstic...

by pnk

Mon Aug 16, 2010 8:44 am
Forum: Sentence Correction
Topic: colorization
Replies: 4
Views: 1914
by pnk

Sat Aug 14, 2010 10:44 pm
Forum: Sentence Correction
Topic: Sentence Grammar and Meaning
Replies: 8
Views: 3027

Good Question. I would like more input from experts. My learning so far is: Grammartical Errors > Meaning > Concision {arranged in decreasing order of significance} While selecting the correct answer my view is we look for grammatical correct sentence first, followed by keeping the original meaning ...

by pnk

Sat Aug 14, 2010 3:53 am
Forum: Sentence Correction
Topic: Sentence Grammar and Meaning
Replies: 8
Views: 3027

<r><QUOTE author="gmat_perfect"><s>[quote="gmat_perfect"]</s><U><s>[u]</s><br/> (A) Certain pesticides can become ineffective if used repeatedly in the same place; one reason is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively...

by pnk

Tue Aug 10, 2010 11:35 am
Forum: Sentence Correction
Topic: Pesticide!
Replies: 1
Views: 1457

the phrase "who include" has to directly modify "actors", and since the actors don't "include" Brando/DeNiro as an active verb, it's an illogical statement. Hi Brain, Could you elaborate this part bit more. I could not understand what you mean by 'Brando/DeNiro as an a...

by pnk

Tue Aug 10, 2010 10:54 am
Forum: Sentence Correction
Topic: As an actress...
Replies: 19
Views: 17653

Thanks. It helped.

Just to clarify things further
1) " amounts of fines", "amount of fine" - both correct
2) "the number of fines" - correct,
3) "the number of fine" - will it be correct or incorrect
4) "the numbers of fines - is incorrect

by pnk

Sun Aug 08, 2010 11:05 pm
Forum: Sentence Correction
Topic: MGMAT: Cumberland Mine (number vs. amount)
Replies: 17
Views: 5918

The administration has increased the number of fines for mining safety violations as part of their campaign to protect miners. a) has increased the number of fines for mining safety violations as part of their b) have increased the number of fines for mining safety violations as part of their c) ha...

by pnk

Sun Aug 08, 2010 9:42 pm
Forum: Sentence Correction
Topic: MGMAT: Cumberland Mine (number vs. amount)
Replies: 17
Views: 5918

Hi,

Want to reopen this:

I just wonder how to reduce time for this sort of question (~2.5mins). What should be the approach.

Can any of you suggest pls

by pnk

Sun Aug 08, 2010 8:53 pm
Forum: Sentence Correction
Topic: MGMAT: Recent studies suggest that an intake of vitamin E
Replies: 10
Views: 3828

To calculate the SD of a set (which you'll never need to do on the GMAT, so you definitely don't need to know the formula), you need to know two things about the set: 1) the number of terms; and 2) the exact spacing of all of the terms. Thanks Stuart. You explained it very nicely. Just one doubt, t...

by pnk

Sun Aug 08, 2010 10:50 am
Forum: Data Sufficiency
Topic: Comparing Standard Deviations
Replies: 3
Views: 3551

Hi Mitch, I agree with your logic but why my approach gives me a different answer: Probability of couple never being together = 1 - Probability of couple always together. Couple AB, CD; Individual E Arrangement with AB, CD together = 3! 2! 2! (3! bcoz AB, CD, E is 1 group each - and these 3 groups c...

by pnk

Sun Aug 08, 2010 9:19 am
Forum: Problem Solving
Topic: permuatations and probability
Replies: 10
Views: 2135