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1. tells you that w + 2 > 0, so w > -1. Not sufficient to know whether w is greater than 1. 2. w^2 > 1 means that w^2 - 1 > 0 w^2 - 1 > 0 (w - 1)(w + 1) > 0 This is a quadratic equation with two roots, -1 and 1. The quadratic equation is only positive outside the roots, so w is either smaller than ...

by Vemuri

Thu Jun 25, 2009 4:35 am
Forum: Data Sufficiency
Topic: GMATprep: Is w > 1?
Replies: 4
Views: 1656
by Vemuri

Fri Jun 19, 2009 4:47 am
Forum: Critical Reasoning
Topic: Puzzling situation
Replies: 6
Views: 1446

Re: Another advanced question

wow...I was thinking B was the closest answer. How are we to assume that Hart's comments were consistent with Choi's claim?

by Vemuri

Thu Jun 18, 2009 6:35 pm
Forum: Critical Reasoning
Topic: Another advanced question
Replies: 13
Views: 2675

The last statement says that most mail arrives three business days or more after being sent.And correctly addressed mail takes longer than this (2 business days) only when it is damaged in transit. This is same as D. If large proportion mail is incorrectly address In C, Most mail that arrives withi...

by Vemuri

Thu Jun 18, 2009 6:01 pm
Forum: Critical Reasoning
Topic: tricky1
Replies: 14
Views: 1504
by Vemuri

Wed Jun 17, 2009 12:57 am
Forum: Problem Solving
Topic: OG12 #59 PS
Replies: 5
Views: 2132

babuk wrote:Can somebody help me understand what CR question type this is?
I could make out that B is the best answer choice. But just curious as to what category of CR questions this belongs to...
IMO B. This is a Resolve CR

by Vemuri

Tue Jun 16, 2009 11:52 pm
Forum: Critical Reasoning
Topic: bravo airlines
Replies: 10
Views: 3691
by Vemuri

Tue Jun 16, 2009 11:10 pm
Forum: Critical Reasoning
Topic: GMATPrep question
Replies: 7
Views: 1351

Re: Gmatprep 2: 700 level

hk wrote:The question is attached below. Please explain your answers.
IMO C. I was between C & E, but I felt E contradicted the premise of the argument & C has a reason for why people might not live longer even after volunteering (because of the disease that is temporarily masked)

by Vemuri

Tue Jun 16, 2009 10:56 pm
Forum: Critical Reasoning
Topic: Gmatprep 2: 700 level
Replies: 16
Views: 2818
by Vemuri

Tue Jun 16, 2009 10:26 pm
Forum: Critical Reasoning
Topic: Money per mile
Replies: 6
Views: 1909
by Vemuri

Tue Jun 16, 2009 8:38 am
Forum: Data Sufficiency
Topic: equalities
Replies: 7
Views: 3246

Re: Triangle

gmat740 wrote:Please explain
I am also interested in knowing how the odd number of intersections are possible.

by Vemuri

Tue Jun 16, 2009 8:17 am
Forum: Data Sufficiency
Topic: Triangle
Replies: 6
Views: 1069

Re: Being Correct

Please let me know when does GMAT Considers Being correct. I only learnt that Being makes the sentence passive,so we must ignore being Being is generally not preferred in most of the GMAT SCs, but beware we should not eliminate an answer choice just because it has got "being" in it. Looks for other...

by Vemuri

Tue Jun 16, 2009 7:58 am
Forum: Sentence Correction
Topic: Being Correct
Replies: 2
Views: 738

Thanks guys.....that clarifies why A is the answer.

by Vemuri

Tue Jun 16, 2009 7:48 am
Forum: Critical Reasoning
Topic: computers
Replies: 8
Views: 1297

Re: Especially

Especially...how do we use this correctly? Especially means "exceptionally"", "in a noteworthy manner". Specially on the other hand means "particularly", "in a distinguishing manner". In this context, Sulfur dioxide is an especially serious pollutant , NOT Sulfur dioxide is a specially serious poll...

by Vemuri

Tue Jun 16, 2009 7:04 am
Forum: Sentence Correction
Topic: Especially
Replies: 1
Views: 981

Can someone explain this in detail please...I am having trouble understanding the concept here. taking all numbers to be positive I get -r = s. After that I seem to derail :( Thanks We basically need to find out if '0' comes in between r & s on the number line. The question stem does not say that r...

by Vemuri

Tue Jun 16, 2009 6:47 am
Forum: Data Sufficiency
Topic: number line
Replies: 5
Views: 1576