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Data Sufficiency

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POSTS
Last post
GMATPrep multiples question
by allenkt »
Is integer n a multiple of 15? a) n is a multiple of 20 b) n + 6 is a...
2
EXPERT REPLIES
Last post by Stacey Koprince
Tue May 08, 2007 12:07 pm
prep question
by jc114 »
If Fran jumps straight up off the floor and lands on her feet T...
2
EXPERT REPLIES
Last post by Stacey Koprince
Tue May 08, 2007 11:44 am
GMATPrep: DS problem
by kookoo4tofu »
Not sure how to do this one. please help! thanks. If x and y are...
2
EXPERT REPLIES
Last post by Stacey Koprince
Tue May 08, 2007 11:42 am
speed question
by jamesk486 »
At what speed was a train traveling on a trip when it had completed...
1
Last post by f2001290
Mon May 07, 2007 10:19 pm
Doubts on PS and DS
by sidd_k »
If K is a positive integer less than 10 and N = 4,321 + K, what is...
0
Last post by sidd_k
Mon May 07, 2007 12:47 am
Princeton Question
by f2001290 »
For integers a and b, if sqrt(a^3 - a^2 - b) = 7, what is the value...
2
Last post by f2001290
Sun May 06, 2007 8:02 pm
Kaplan Question
by rajesh_ctm »
What is the value of x^2-1? (1) The value of x^2 - 5x is -6 (2) The...
3
Last post by jayhawk2001
Sun May 06, 2007 1:08 pm
GMAT Prep Practice Test Question 4
by weipei »
Over a certain time period, did the number of shares of stock in...
1
Last post by jayhawk2001
Sat May 05, 2007 8:05 am
test20 #20
by dunkin77 »
Hi, I thought the answer was B) but it says C)..... Can anyone help?
1
Last post by jayhawk2001
Wed May 02, 2007 8:04 pm
DS from Gmat prep
by willymtz »
How to solve: Pat bought 5 pounds of apples. How many pounds of pears...
3
Last post by gm800
Wed May 02, 2007 4:18 pm
DS Geometry problem - It is out of a UCLA workbook
by sev »
If L and W represent the length and width of a rectangle,...
1
Last post by jayhawk2001
Wed May 02, 2007 3:40 pm
test17 #14
by dunkin77 »
Hi, The answer says B) but I think it's D)-- What do you think?
4
Last post by dunkin77
Wed May 02, 2007 4:22 am
DS Question from Official Test
by Cybermusings »
What is the volume of a certain rectangular solid? (1) Two adjacent...
5
Last post by f2001290
Wed May 02, 2007 4:21 am
QG11 Question: 144 DS
by nuku888 »
For the second statment: I multiplied both sides by 10 hence I got...
1
Last post by f2001290
Wed May 02, 2007 4:09 am
test 19 #20
by dunkin77 »
Hi, I think to meet the condition, x must be positive, but why 2)...
1
Last post by jayhawk2001
Tue May 01, 2007 9:00 pm
section 19 #19
by dunkin77 »
. Is ab = 1 ? (1) aba = a (2) bab = b Hi I thought the answer was D)...
1
Last post by jayhawk2001
Tue May 01, 2007 8:57 pm
OG 11 DS Question 148
by nuku888 »
Hello, I was wondering if anyone could help me with this question. I...
3
Last post by jayhawk2001
Mon Apr 30, 2007 9:20 pm
Number Properties Question
by rnschmidt »
If a, b, c, d and e are integers and p = (2^a)(3^b) and q =...
1
Last post by jayhawk2001
Mon Apr 30, 2007 8:53 pm
Kaplan DS
by gmatme »
if X^2 + 5Y = 49, is Y an Integer? 1) 1 < X < 4 2) X^2 is an...
2
Last post by bww
Mon Apr 30, 2007 7:04 pm
test18 #8
by dunkin77 »
Hi, I thought the answer was E) but it says correct choice is A) -...
1
Last post by bww
Mon Apr 30, 2007 6:29 pm
test 13 #12
by dunkin77 »
12. In a sequence of numbers in which each term after the first term...
4
Last post by arielsky
Sun Apr 29, 2007 4:32 am
pt question
by jamesk486 »
A tank has the capacity of 15 gallons. If 5 gallons a minute is put...
1
Last post by f2001290
Fri Apr 27, 2007 5:14 am
GMATPrep question
by rajesh_ctm »
How to approach these types?
3
Last post by jayhawk2001
Thu Apr 26, 2007 10:19 pm
gmat prep question
by yvonne12 »
if y>0 what is the value of X? 1. Ix-3I > y 2. Ix-3I < -y...
4
Last post by f2001290
Thu Apr 26, 2007 6:21 am
powerprep #7
by dunkin77 »
Hi, By knowing that those two triangles are isoisoscales, how do we...
1
Last post by jayhawk2001
Tue Apr 24, 2007 9:45 pm
powerprep #9
by dunkin77 »
Hi, I know the answer should be D) but I just wanted to know how to...
1
Last post by jayhawk2001
Tue Apr 24, 2007 9:38 pm
prep question
by jamesk486 »
Among a bunch of sweaters, 3/5 are pullovers and 1/4 are white. What...
3
Last post by jamesk486
Mon Apr 23, 2007 10:49 pm
test 13 #25
by dunkin77 »
25. What is the greatest common divisor of positive integers m and n...
1
Last post by Prasanna
Mon Apr 23, 2007 3:55 pm
GMATPrep question
by MonicaKhan »
Any help on the following question would be greatly appreciated....
1
Last post by jayhawk2001
Sun Apr 22, 2007 5:27 pm
ds 500 test12 #23
by dunkin77 »
23. Last year Luis invested x dollars for one year, half at 8 percent...
2
Last post by Princeton Review
Sun Apr 22, 2007 8:43 am
Gmatprep question - sequence
by jayhawk2001 »
Interesting question. I'll post the OA after few folks reply.
3
Last post by jayhawk2001
Sun Apr 22, 2007 8:39 am
DS problems
by gabriel »
guys here are some good DS problems ... try and solve them .. q.)...
6
Last post by Prasanna
Sat Apr 21, 2007 4:19 pm
OG Quant Review: DS, Chapter 5.5, Problem 117 wrong?
by gmatace »
Has anyone see this happen? I think their answer is wrong.. They have...
16
Last post by rajeshvellanki
Sat Apr 21, 2007 1:46 pm
ds500 test12#24
by dunkin77 »
24. Is the integer n a multiple of 140 ? (1) n is a multiple of 10....
1
Last post by dsouzamel
Sat Apr 21, 2007 5:12 am
gmat prep question
by yvonne12 »
if M and N are positive integers and mn=k is M+N=K+1 1. m=1 2. k= is...
1
Last post by jayhawk2001
Fri Apr 20, 2007 4:02 pm
prep question
by jc114 »
x=/= 0, |x|<1? 1. x/|x|<x 2. x<|x| how would you solve this,...
3
Last post by gabriel
Fri Apr 20, 2007 9:47 am
gmat prep data sufficiency
by djsir007 »
if ab does not = 0, and points (-a,b)(-b,a) are in the same quadrant...
2
Last post by gabriel
Fri Apr 20, 2007 9:26 am
500 ds test11 #24
by dunkin77 »
24. If b is the product of three consecutive positive integers c, c +...
2
Last post by dunkin77
Fri Apr 20, 2007 6:28 am
500 ds test11 # 17
by dunkin77 »
17. Four dollar amounts, w, x, y, and z, were invested in a business....
2
Last post by dunkin77
Thu Apr 19, 2007 8:28 pm
prep question
by jamesk486 »
A, b and c are 3 digit positive integers, where a=b+c. Is the...
1
Last post by Prasanna
Thu Apr 19, 2007 8:26 pm
500 ds test11 #23
by dunkin77 »
23. A car traveled a distance of d miles in t minutes at an average...
1
Last post by Prasanna
Thu Apr 19, 2007 7:02 pm
500 ps sec10 #2
by dunkin77 »
2. Is x < y? (1) z < y (2) z < x Hi, I thought the answer...
2
Last post by dunkin77
Wed Apr 18, 2007 2:14 pm
ds 500 section10 #20
by dunkin77 »
20. Is the positive integer n a multiple of 24? (1) n is a multiple...
3
Last post by dunkin77
Wed Apr 18, 2007 2:13 pm
500 ds test8#17
by dunkin77 »
17. From 1984 to 1987, the value of foreign goods consumed annually...
1
Last post by rajesh_ctm
Tue Apr 17, 2007 7:10 pm
Gmatprep problem involving square-root
by jayhawk2001 »
Another one from gmatprep. 1 - doesn't tell us much 2 - just tells us...
9
Last post by RAGS
Tue Apr 17, 2007 9:16 am
GMATPrep Question
by rajesh_ctm »
Store S sold a total of 90 copies of a certain book during the seven...
2
Last post by rajesh_ctm
Tue Apr 17, 2007 4:32 am
GMATPrep DS question (#8) - Probability
by Kansonne »
Hello, All-- Can someone please explain the rationale behind this...
2
Last post by Kansonne
Mon Apr 16, 2007 6:23 pm
gmat prep question
by yvonne12 »
if z^n=1 whaty is the value of z 1. n is a non zero integer 2. z>0...
2
Last post by yvonne12
Mon Apr 16, 2007 4:30 pm
gmat prep question
by yvonne12 »
if n is not equal to m are positive integers, what is the remainder,...
1
Last post by gabriel
Mon Apr 16, 2007 12:17 am
Remainder problem in Gmatprep
by jayhawk2001 »
Any quick way to solve this. I got this question on gmatprep and...
3
Last post by jayhawk2001
Sun Apr 15, 2007 8:37 am