Search found 34 matches

by VyDinh

Sun Sep 29, 2013 8:47 am
Forum: I just Beat The GMAT!
Topic: 700 to 760 in 3 weeks
Replies: 13
Views: 8562

Hi Tania, Thank you for sharing your story to us. I did try the trial of Economist for the last 3 days and I found it's very helpful. I take a free test today and my math improves much. You mentioned about LSAT RC and CR. Would you please give me the full name of the books? My verbal skill is not as...

by VyDinh

Sun Sep 29, 2013 8:47 am
Forum: I just Beat The GMAT!
Topic: 700 to 760 in 3 weeks
Replies: 13
Views: 8562
by VyDinh

Sun Sep 15, 2013 8:32 am
Forum: Data Sufficiency
Topic: Mean & Median
Replies: 2
Views: 1240
by VyDinh

Sun Sep 15, 2013 8:30 am
Forum: Data Sufficiency
Topic: sequence number - expert pls help
Replies: 2
Views: 759

Thanks Brent.

Is this because the question said "could be true" so in each case, we only need to find one case that satisfies the statement?

by VyDinh

Sun Sep 15, 2013 7:15 am
Forum: Data Sufficiency
Topic: Hard question - If x>y^2>z^4, which of the following..
Replies: 3
Views: 1848

sequence number - expert pls help

I have this question from GMAT Pretest - test 2

In the sequence of positive numbers x1, x2, x3,..., what is the value of x1?

1. xi = (xi-1)/2 for all integer i>1 (to clarify i.e x3=x2/2)
2. x5 = x4/(x4 + 1)

OA is C

Thanks for your help!

by VyDinh

Sun Sep 15, 2013 6:38 am
Forum: Data Sufficiency
Topic: sequence number - expert pls help
Replies: 2
Views: 759

Mean & Median

x, 3, 1, 12,8

If x is an integer, is the median of the 5 numbers shown greater than the average (arithmetic mean) of the 5 numbers?

1. x>6
2. x is greater than the median of the 5 numbers

OA is E

by VyDinh

Sun Sep 15, 2013 6:22 am
Forum: Data Sufficiency
Topic: Mean & Median
Replies: 2
Views: 1240

Hard question - If x>y^2>z^4, which of the following..

If x>y^2>z^4, which of the following statements could be true?

I.x>y>z
II. z>y>x
III. x>z>y

A. I only
B. I and II only
C. I and III only
D. II and III only
E. I, II and III

OA is E. I could not find the correct answer. Please help.

Thanks for your help.

by VyDinh

Sun Sep 15, 2013 6:19 am
Forum: Data Sufficiency
Topic: Hard question - If x>y^2>z^4, which of the following..
Replies: 3
Views: 1848

Comparison - can not find main verb - pls help

In Hungary, as in much of Eastern Europe, an overwhelming proportion of women work, many of which are in middle management and light industry. A. as in much of Eastern Europe, an overwhelming proportion of women work, many of which are in B. as with much of Eastern Europe, an overwhelming proportion...

by VyDinh

Sat Sep 14, 2013 4:09 pm
Forum: Sentence Correction
Topic: Comparison - can not find main verb - pls help
Replies: 3
Views: 1264

Thanks for your correction and explanation!

by VyDinh

Sat Sep 14, 2013 7:55 am
Forum: Data Sufficiency
Topic: Integers - experts please help
Replies: 6
Views: 1556

Thanks guys. E is the correct answer choice.

I think I misunderstand the question. I think they are asking that each stock is a 3-letter codes so I missed the 1-letter and 2-letters stock.

by VyDinh

Sat Sep 14, 2013 7:50 am
Forum: Data Sufficiency
Topic: Combination - could not find the answer - please help
Replies: 3
Views: 1257

Combination - could not find the answer - please help

A certain stock exchange designates each stock with a one-, two- or three-letter code, where each letter is selected from the 26 letters of the alphabets. If the letter maybe repeated and if the same letters used in different order constitude a different code, how many different stock is it possible...

by VyDinh

Sat Sep 14, 2013 5:52 am
Forum: Data Sufficiency
Topic: Combination - could not find the answer - please help
Replies: 3
Views: 1257

Integers - experts please help

I take GMAT Prep test and get stuck with this question. Please help!

If p and n are positive integers and p>n, what is the remainder when p2 –n2 is divisible by 5?

1) The remainder when p+n is divisible by 5 is 1
2) The remainder when p-n is divisible by 3 is 1

Thank you for your help!!

by VyDinh

Sat Sep 14, 2013 5:45 am
Forum: Data Sufficiency
Topic: Integers - experts please help
Replies: 6
Views: 1556
by VyDinh

Thu Aug 01, 2013 11:12 pm
Forum: Sentence Correction
Topic: This Sc violates the tense rule????send??
Replies: 38
Views: 14985