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Data Sufficiency

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POSTS
Last post
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
Data Sufficiency question
by mgroeber »
IF P is a set of integers and 3 is in P, is every positive multiple...
1
Last post by ajith
Sat Apr 14, 2007 6:09 pm
from mba.com
by Cybermusings »
On his trip from A to B, Julio covered the first 'x' miles @50...
1
Last post by RAGS
Sat Apr 14, 2007 4:30 am
Problem Solving-PS
by Sumit69 »
Is n and integer? n3 is an integer 3\&#65279;n is an integer...
6
EXPERT REPLIES
Last post by gabriel
Fri Apr 13, 2007 4:44 am
gmat prep question
by yvonne12 »
Robin split a total of 24k between 2 investments, x and y. If...
1
Last post by ajith
Thu Apr 12, 2007 9:07 pm
gmat prep question
by yvonne12 »
If the operation is one of the four arithmetic operations addition,...
4
Last post by yvonne12
Thu Apr 12, 2007 9:11 am
ds 500 test 7 #23
by dunkin77 »
Hi, The correct answer is E) but I thought the answer was D). So, the...
2
Last post by Cybermusings
Thu Apr 12, 2007 8:55 am
gmat prep question
by yvonne12 »
Of the 60 animals on a certain farm, 2/3 are either pigs or cows. How...
4
Last post by gabriel
Thu Apr 12, 2007 7:52 am
GMAT DS GMATPrep
by bicilotti »
Two points (-a,b) (-b,a) are in the same quadrant of the xy plane. Is...
11
Last post by Cybermusings
Thu Apr 12, 2007 7:38 am
factor problem
by jamesk486 »
X is a prime and y is a positive integer, How many different factors...
4
Last post by Cybermusings
Thu Apr 12, 2007 7:25 am
good DS problem
by gabriel »
ok guyz a very good question ... source - the net giv it a try ... i...
5
Last post by nauman
Mon Apr 09, 2007 5:58 pm
ds test5 #21
by dunkin77 »
Hi, the answer to the attached question is C). Although we don't need...
4
Last post by dunkin77
Sun Apr 08, 2007 7:38 pm
OG DS help
by Prasanna »
Hi All Request guidance with respect to DS section. I am planning to...
3
Last post by Princeton Review
Sun Apr 08, 2007 5:02 pm
500 ds test6 #21
by dunkin77 »
Hi, I thought the answer is C) but correct answer is E). I thought if...
2
Last post by dunkin77
Sun Apr 08, 2007 9:51 am