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Any Chance to be accepted by Columbia Business School?

My GMAT score is 680-86% (Q: 49-87%, V: 35-73%). My previous GMAT score was 590-62% (Q: 48-83%, V:23-28%) so I think I made some improvements on verbal part. Although my score now falls in the range of 80% of admitted student to CBS, I am not really sure my score is enough to get into CBS. Please pr...


GMAT Prep - Interger Question

How many odd intergers are greater than the interger X and less than the interger Y? (1) There are 12 even intergers greater than X and less than Y. (2) There are 24 intergers greater than X and less than Y. OA: B (1) If X=1 and Y=25 (X=1< 2,4,~~~,24 <Y=25; 12 even intergers), then you can get 11 od...

by dongkim2

Sat Jun 19, 2010 11:43 pm
Forum: Data Sufficiency
Topic: GMAT Prep - Interger Question
Replies: 8
Views: 1895

Yes the official answer is A.

I somehow figured out how to solve this question after posting here.

The only way 5^x=11^y is when x and y are both zero.

Therefore A is sufficient to solve the problem.

by dongkim2

Fri Jun 18, 2010 11:48 am
Forum: Data Sufficiency
Topic: Interger question
Replies: 6
Views: 1353

Interger question

If x and y are intergers, what is the value of xy?

(1) 5^x=11^y
(2) 2^x=4^y

OA: A

I can't seem to figure out how to approach the first prompt. Please help!

by dongkim2

Fri Jun 18, 2010 11:14 am
Forum: Data Sufficiency
Topic: Interger question
Replies: 6
Views: 1353

Hardik,

Thanks for providing the link!

by dongkim2

Wed Jun 16, 2010 5:31 pm
Forum: Sentence Correction
Topic: Stem Cell Research
Replies: 3
Views: 1233

Stem Cell Research

Scientists have recently received permission to research embryonic stemm cells, derived from blastocysts or early-stage embryos, that they believe to be capable of generating new cell growth and curing previously incurable ailments. (A) that they belive to be capable (B) that they belive are capable...

by dongkim2

Wed Jun 16, 2010 4:14 pm
Forum: Sentence Correction
Topic: Stem Cell Research
Replies: 3
Views: 1233

Participle Question

After suffering the effects of several tsunamis, the residents of a Japanese city built a wall on their coast over forty feet high and a mile long, a way to protect the city against another disaster. a. a way to protect b. in efforts to protect c. protecting d. to protect in one way e. in order to p...

by dongkim2

Wed Jun 16, 2010 2:54 pm
Forum: Sentence Correction
Topic: Participle Question
Replies: 1
Views: 1077

GMAT Prep Question - Inequality

M + Z > 0? (1) M - 3Z > 0 (2) 4Z - M > 0 OA: C [spoiler]Since I couldn't answer for the above based on (1) and (2) individually, I combined (subtraction is not allowed) both inequalities and came up with Z > 0. Based on (1), I came up with M > 3Z > 0. Therefore, I concluded M + Z is greater than 0. ...

by dongkim2

Wed Jun 16, 2010 11:50 am
Forum: Data Sufficiency
Topic: GMAT Prep Question - Inequality
Replies: 4
Views: 1172
by dongkim2

Tue Jun 15, 2010 10:54 am
Forum: GMAT Strategy
Topic: Download GMAT questions with Expert solutions!
Replies: 80
Views: 106251

Two Slope Questions

Line k passes through point (n, -1). Is slope of K positive? (1) k passes through the origin point. (2) k passes through (1, n+2) OA: C A line in x-y coordinate system goes through the origin and point (a, b), is a < b? (1) slope < 0 (2) a < 0 OA: C Can anyone help me to understand how I can approac...

by dongkim2

Tue Jun 15, 2010 10:46 am
Forum: Data Sufficiency
Topic: Two Slope Questions
Replies: 6
Views: 2131

Contrary to earlier conjectures

Contrary to earlier conjectures, it may be that increased atmospheric carbon dioxide as a result of burning fossil fuels would cool the globe by reducing the amount of solar energy absorbed by snow. (A) increased atmospheric carbon dioxide as a result of burning (B) increased atmospheric carbon diox...

by dongkim2

Sun Jun 13, 2010 3:59 pm
Forum: Sentence Correction
Topic: Contrary to earlier conjectures
Replies: 5
Views: 2412

Inequality

Is a/b < 1/2?

(1) a/(b-1) < 1/2
(2) (a-1)/b < 1/2


OA is E

Please let me know how I can approach this problem. Thanks.

by dongkim2

Tue May 25, 2010 5:47 pm
Forum: Data Sufficiency
Topic: Inequality
Replies: 9
Views: 1751

Parakeet lovers

The United States is not usually thought of as a nation of parakeet lovers. Yet in a census of parakeet owners in selected comparable countries, the United States ranked second, with eleven parakeet owners per hundred people. The conclusion can be drawn from this that people in the United States are...

by dongkim2

Fri May 07, 2010 2:13 am
Forum: Critical Reasoning
Topic: Parakeet lovers
Replies: 2
Views: 1851

The AMA has declared that auto-immune disease

The AMA has declared that auto-immune disease, a disorder that scientists agree is caused by immune system’s response to the invading pathogen that is so similar to human bodies the response crosses over and injures human organs, resulting in chronic disabling conditions . (a) to the invading path...

by dongkim2

Mon Mar 29, 2010 9:13 pm
Forum: Sentence Correction
Topic: The AMA has declared that auto-immune disease
Replies: 7
Views: 1343

'Unlike' question

Unlike frogs that metamorphose from tadpoles into adults within a one-year period, it takes three to four years for the mountain yellow-legged frog of the Sierra Nevada to reach adulthood, and so they are restricted to deeper bodies of water that do not dry up in summer or freeze solid in winter. o ...

by dongkim2

Mon Mar 29, 2010 7:21 am
Forum: Sentence Correction
Topic: 'Unlike' question
Replies: 1
Views: 2589