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Data Sufficiency

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POSTS
Last post
Coordinate geometry
by roybudhaditya »
In the XY plane,line K pases through the point (1,1) & line m...
0
Last post by roybudhaditya
Fri Oct 05, 2007 11:54 am
DS set 10,q 25
by emrahinci »
Any decimal that has only a finite number of nonzero digits is a...
0
Last post by emrahinci
Fri Oct 05, 2007 10:02 am
DS set 8,Q25
by emrahinci »
How many integers n are there such that r < n < s? (1) s - r =...
2
Last post by emrahinci
Fri Oct 05, 2007 9:30 am
Set 6 Q27
by arocks »
In the xy-plane, is the slope of line k positive? (1) Line k passes...
5
Last post by arocks
Fri Oct 05, 2007 8:42 am
Set 6 Q7 - DS
by arocks »
What is the value of &#9474;x + 7&#9474;? (1) &#9474;x +...
4
Last post by arocks
Fri Oct 05, 2007 8:40 am
xy < 0 ?
by josephcho77 »
I will go with E When you combine the two condition you can get:...
0
Last post by josephcho77
Fri Oct 05, 2007 12:14 am
GMAT prep problem 1
by shri_ankur »
if x < 0, then sqrt (-x*|x|)) is A) -x B) -1 C) 1 D) x E) sqrt (x)
1
Last post by mschling52
Thu Oct 04, 2007 12:43 pm
GMAT prep problem 2
by shri_ankur »
If X is not equal to Y, Is (X-Y)/(X+Y) > 1 ? 1) x > 0 2) y <...
2
Last post by shri_ankur
Thu Oct 04, 2007 8:29 am
Set7 Q5
by arocks »
If k, m, and t are positive integers and k/6+m/4=t/12 do t and 12...
2
Last post by arocks
Thu Oct 04, 2007 7:42 am
Set 5Q 36 - consequtive odd integers
by arocks »
What is the sum of a certain pair of consecutive odd integers? (1) At...
2
Last post by arocks
Thu Oct 04, 2007 7:17 am
Section 8 Q22
by geosak1 »
. If 1 < d <2, is the tenths’ digit of the decimal...
2
Last post by geosak1
Thu Oct 04, 2007 6:53 am
Coordinate...
by gabriel »
In the XY plan, what is the Y intercpt of line L? A-- The slope of...
0
Last post by gabriel
Thu Oct 04, 2007 4:35 am
Another tough question from OG.
by gabriel »
In the sequence of positive numbers x1,x2,x3.....What is the value...
0
Last post by gabriel
Thu Oct 04, 2007 4:28 am
tough DS.
by gabriel »
The sequence of a1,a2,a3.........an of n integers is such that...
0
Last post by gabriel
Thu Oct 04, 2007 4:26 am
Decimal problem from og..
by gabriel »
Can anyone please let me know how to solve these two decimal...
0
Last post by gabriel
Thu Oct 04, 2007 4:25 am
set 11 #21
by KL08 »
21. If x and y are positive. is y< 2 ? (1) x > 2y (2) x < y...
1
Last post by gabriel
Thu Oct 04, 2007 4:15 am
Some Q's
by Suyog »
1. If r and s are integers, is r2 + s even ? (1) The product rs is...
1
Last post by wongee
Wed Oct 03, 2007 5:07 pm
Coordinate geometry
by davidnodine »
I think the answer is A. I. S&T are two different numbers so the...
0
Last post by davidnodine
Wed Oct 03, 2007 2:29 pm
Set 10 #2
by KL08 »
2. Is x < y? (1) z < y (2) z < x I got E, but OA is A.
1
Last post by gabriel
Wed Oct 03, 2007 11:02 am
Set 7 - #24
by KL08 »
I got A, can anyone explain it to me why the OA is D? thanks.
1
Last post by gabriel
Wed Oct 03, 2007 11:00 am
DS Set 4 Q 11
by arocks »
If n and k are positive integers, is n divisible by 6? (1) n = k(k +...
3
Last post by camitava
Wed Oct 03, 2007 7:01 am
some que's
by Suyog »
1. Is n an integer? (1) n ^2 Is an integer. (2) root n Is an integer....
1
Last post by [email protected]
Tue Oct 02, 2007 5:12 pm
OG 111- Question No. 132
by Cybermusings »
I didn't particularly catch the explanation given in the OG....Please...
3
Last post by kajcha
Tue Oct 02, 2007 9:28 am
Manhattan DS
by [email protected] »
A number of apples and oranges are to be distributed evenly among a...
4
Last post by persevering
Mon Oct 01, 2007 9:50 pm
Approach to DS
by hudsn »
Does anyone have any suggestions as to the best way to approach DS...
2
Last post by hudsn
Sun Sep 30, 2007 8:23 pm
algebra DS
by kajcha »
Ans would be A (x+y)^2 = x^2+y^2+2xy ----------(1) (x-y)^2 =...
0
Last post by kajcha
Sun Sep 30, 2007 2:04 pm
Set 20 Q 26
by [email protected] »
K is a set of integers such that if the integer r is in K, then r + 1...
1
Last post by kajcha
Sat Sep 29, 2007 8:53 pm
DS question 3
by magical cook »
Each of the 45 boxes on shelf J weighs less than each of the 44 boxes...
1
Last post by kajcha
Sat Sep 29, 2007 5:59 am
gmat powerprep
by ratindasgupta »
in the number line the distance between X & Y is greater than...
0
Last post by ratindasgupta
Sat Sep 29, 2007 1:13 am
from gmat CD
by mschling52 »
I think this one is C - both combined are sufficient. We are dealing...
0
Last post by mschling52
Fri Sep 28, 2007 9:34 am
Gmat test 1.
by mschling52 »
I think its B. Let A = price of 1 pound of apples Pat spent 5(A)...
0
Last post by mschling52
Fri Sep 28, 2007 9:11 am
MGMAT
by Bhandaripreeti »
Bob and Wendy left home to walk together to a restaurant for dinner....
16
EXPERT REPLIES
Last post by kajcha
Fri Sep 28, 2007 4:43 am
DS 1000q set. Section 7. q25.
by ratindasgupta »
A total of 774 doctorates in mathematics were granted to United...
2
Last post by ratindasgupta
Thu Sep 27, 2007 11:56 am
Q'1
by Suyog »
in triangle PQR , if PQ = x + 2 and PR = y, which of the angles of...
6
Last post by Suyog
Wed Sep 26, 2007 10:06 am
DS question
by magical cook »
K is a set of integers such that if the integer r is in K, then r + 1...
4
Last post by magical cook
Wed Sep 26, 2007 7:38 am
Can someone help me with those data sufficiency questions?
by Elliotnyc »
hi there, first time post here - but i notice that in your third...
1
Last post by gmatBeater
Tue Sep 25, 2007 11:49 am
ds w/ absolute value
by vasilisab »
What is the value of y? (1) 3|x2 - 4| = y - 2 (2) |3 - y| = 11
6
Last post by mallard906
Tue Sep 25, 2007 11:39 am
Set 14 Q 14
by [email protected] »
$10,000 is deposited in a certain account that pays r percent annual...
3
Last post by [email protected]
Tue Sep 25, 2007 11:34 am
GMAT Prep
by Jameschan168 »
What is the average (arithmetic mean) height of the n people in a...
6
Last post by hopefully
Tue Sep 25, 2007 12:31 am
GMAT Prep
by Jameschan168 »
Store S sold a total of 90 copies of a certain book during the seven...
4
Last post by hopefully
Mon Sep 24, 2007 11:34 pm
Set 8 Q 12
by [email protected] »
In the xy-plane, region R consists of all the points (x, y) such that...
2
Last post by [email protected]
Mon Sep 24, 2007 1:21 pm
Set 15 Q 20
by [email protected] »
Q20: Favorable Unfavorable Not Sure Candidate M 40 20 40 Candidate N...
1
Last post by nkumar
Mon Sep 24, 2007 3:06 am
GMAT PREP - LCM
by raulverde »
detailed explanation please. thanx in advance.
4
Last post by kajcha
Sat Sep 22, 2007 2:47 am
GMATPrep - Marbles
by badri077 »
A question from GMATPrep. A certain jar contains only b black...
5
Last post by karthick451
Fri Sep 21, 2007 7:09 am
Manhattan Q
by [email protected] »
If x is not equal to 0, is |x| less than 1? (1) x/|x|< x (2) |x|...
3
Last post by samirpandeyit62
Fri Sep 21, 2007 3:07 am
Sets - DS
by kajcha »
Of the 200 members of a certain association, each member who speaks...
6
Last post by [email protected]
Thu Sep 20, 2007 7:53 pm
30-9
by magical cook »
Hi, Can anyone help with this problem? Thanks.
7
Last post by Bharat
Wed Sep 19, 2007 11:46 pm
GMAT prep - prime numbers
by karthick451 »
GMAT Prep question: help needed.
10
Last post by persevering
Wed Sep 19, 2007 12:50 pm
GMAT Prep
by Jameschan168 »
Before being simplified, the instructions for computing income tax in...
5
Last post by Preetics
Tue Sep 18, 2007 11:35 pm
SET 28 Q 11
by radhika1306 »
The product of the units digit, the tens digit, and the hundreds...
2
Last post by radhika1306
Tue Sep 18, 2007 7:42 am