Search found 23 matches


50-point improvement or your money back??

Dear Knewton, I'm taking my GMAT in 2 weeks, and I have learned about your prep course thru my tutor. He talked highly about your adaptive learning method, and he currently works for a different prep course all together, so that's what really got me intrigued about your company... I took my GMAT 2 y...

by jkwan

Thu Mar 26, 2009 8:33 am
Forum: Ask a Knewton representative
Topic: 50-point improvement or your money back??
Replies: 5
Views: 3307

I have the powerscore CR bible..it's a GREAT book. I used to get about 40% of all the CR questions wrong on my practice CATS, but after I went thru this book, my CR % of error was significantly reduced - right now I get about 5-10% of the CR questions wrong on the CAT, and I'm still working on impro...

by jkwan

Wed Mar 25, 2009 8:49 am
Forum: GMAT Verbal & Essays
Topic: Powerscore CR bible?
Replies: 15
Views: 13719

Remember that there is a margin of error on any practice test (even on the actual GMAT, the margin is +/- 30 points!). Also, sometimes students' scores will temporarily go down as they're getting accustomed to utilizing new tricks and tips, and will go up once they're more used to the new methods o...

by jkwan

Wed Mar 25, 2009 8:44 am
Forum: GMAT Strategy
Topic: 640 --> 600 after first month of study!
Replies: 8
Views: 1976
by jkwan

Wed Mar 25, 2009 6:39 am
Forum: GMAT Strategy
Topic: GMAT Flash Cards by ManhattanGMAT
Replies: 16
Views: 4263

How do I improve my timing on the QUANT section???

Hi guys, My GMAT is in 2 weeks...I've been studying since the beginning of the year..and prior to this (2 years ago) I had taken a prep course but didn't score well on my actual GMAT, so this time around I had decided to hire a a tutor instead of paying for another prep course, so I can get help in ...

by jkwan

Tue Mar 24, 2009 10:28 am
Forum: GMAT Strategy
Topic: How do I improve my timing on the QUANT section???
Replies: 1
Views: 1229

Applying last minute..

I'm taking my GMAT this April, and was originally thinking of applying for the Fall 2010 term, but I have just realized that the schools I'll be applying to (Anderson UCLA, Marshall USC) will still be accepting applications until end of April/May. Do you recommend for anyone to apply during the last...

by jkwan

Mon Mar 02, 2009 7:54 am
Forum: Ask an MBA Admissions Consultant
Topic: Applying last minute..
Replies: 1
Views: 1390

integers

If 10^50 – 74 is written as an integer in base 10 notation, what is the sum of the digits in that integer?

A. 424
B. 433
C. 440
D. 449
E. 467

by jkwan

Thu Feb 05, 2009 10:10 pm
Forum: Problem Solving
Topic: integers
Replies: 2
Views: 2071

%

On a certain transatlantic crossing, 20 percent of a ship’s passengers held round-trip tickets and also took their cars abroad the ship. If 60 percent of the passengers with round-trip tickets did not take their cars abroad the ship, what percent of the ship’s passengers held round-trip tickets? A. ...

by jkwan

Thu Feb 05, 2009 10:09 pm
Forum: Problem Solving
Topic: %
Replies: 3
Views: 1995

Probability..help

There are 11 women and 9 men in a certain club. If the club is to select a committee of 2 women and 2 men, how many different such committees are possible?

A. 120
B. 720
C. 1,060
D. 1,520
E. 1,980

by jkwan

Thu Feb 05, 2009 10:08 pm
Forum: Problem Solving
Topic: Probability..help
Replies: 3
Views: 6112

So why is it D again :?

by jkwan

Mon Jan 19, 2009 12:57 pm
Forum: Critical Reasoning
Topic: Help please
Replies: 15
Views: 4272

Astronomer

Astronomer: Observations of the Shoemaker-Levi comet on its collision course with Jupiter showed that the comet broke into fragments before entering Jupiter’s atmosphere in 1994, but they did not show how big those fragments were. Nevertheless, some indication of their size can be inferred from spec...

by jkwan

Sat Jan 17, 2009 12:52 pm
Forum: Critical Reasoning
Topic: Astronomer
Replies: 9
Views: 3594

Help please

Environmental organizations want to preserve the land surrounding the Wilgrinn Wilderness Area from residential development. They plan to do this by purchasing that land from the farmers who own it. That plan is ill-conceived: if the farmers did sell their land, they would sell it to the highest bi...

by jkwan

Sat Jan 17, 2009 12:46 pm
Forum: Critical Reasoning
Topic: Help please
Replies: 15
Views: 4272

the "EXCEPT" question..

Tanco, a leather manufacturer, uses large quantities of common salt to preserve animal hides. New environmental regulations have significantly increased the cost of disposing of salt water that results from this use, and, in consequence, Tanco is considering a plan to use potassium chloride in place...

by jkwan

Sat Jan 17, 2009 12:44 pm
Forum: Critical Reasoning
Topic: the "EXCEPT" question..
Replies: 18
Views: 4360

I would choose E. X alone takes 12 days to produce 2w widgets. Let n be the number of days Y takes to produce w widgets. So rate of work for Y is w/n. X takes 2 more days than Y to produce w widgets. So, rate of work for X is w/(n+2). Both combined can produce 5/4w widgets in 3 days - so, in one da...

by jkwan

Sat Jan 17, 2009 11:03 am
Forum: Problem Solving
Topic: widgets
Replies: 3
Views: 1432

widgets

Running at their respective constant rates, machine X takes 2 days longer to produce w widgets than machine Y. At these rates, if the two machines together produce 5/4 w widgets in 3 days, how many days would it take machine X alone to produce 2w widgets?

A. 4
B. 6
C. 8
D. 10
E. 12

by jkwan

Fri Jan 16, 2009 3:57 pm
Forum: Problem Solving
Topic: widgets
Replies: 3
Views: 1432