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Data Sufficiency

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POSTS
Last post
std deviation - median
by arocks »
If two numbers are selected from 1, 3, 5, 7, 9, 11, 13, 15, 17, and...
2
Last post by arocks
Mon Oct 15, 2007 3:51 am
Quadratic function - real numbers
by arocks »
p(x), q(x) are the quadratic functions. What is the set of the real...
1
Last post by camitava
Mon Oct 15, 2007 3:40 am
coordinate
by arocks »
Q1. Does Y=mX^2+h intersect with axis-x? 1). m<0 2). h>0 OA - C...
1
Last post by samirpandeyit62
Mon Oct 15, 2007 2:54 am
Coordinates - circle
by arocks »
The circle has center O and radius 50, and point P has coordinates...
1
Last post by samirpandeyit62
Mon Oct 15, 2007 2:49 am
students per class room
by arocks »
A school administrator will assign each student in a group of n...
1
Last post by samirpandeyit62
Mon Oct 15, 2007 2:35 am
multiples
by arocks »
If 500 is the multiple of 100 that is closest to X and 400 is the...
1
Last post by samirpandeyit62
Mon Oct 15, 2007 2:06 am
least integer less than...
by arocks »
denotes the least integer not less than x. Is =0? 1). =0 2). =0 OA -...
1
Last post by samirpandeyit62
Mon Oct 15, 2007 12:27 am
Factor of n
by arocks »
Is 30 is a factor of n? (1) 30 is a factor of the square of n (2) 30...
1
Last post by samirpandeyit62
Mon Oct 15, 2007 12:17 am
Exponential problem!
by arocks »
a+b=5, a*b is not 0, is ax^4+bx^3=a+b? 1). ax^4=a 2). bx^3=b IMO - C....
1
Last post by josephcho77
Sun Oct 14, 2007 10:38 pm
GMAT Powerprep Geometry Question
by ssy »
Geometry question, please help.. Rough image of the triangle is...
2
Last post by ssy
Sun Oct 14, 2007 9:14 pm
Functions
by arocks »
If f(x) = x-x^2 is f(a)<f(b)? 1). a<b 2). a^2< b^2 OA - E
1
Last post by Suyog
Sun Oct 14, 2007 6:50 pm
square root
by arocks »
X and Y are a positive numbers, is X is smaller than Y? (1) Square...
1
Last post by joshi.komal
Sun Oct 14, 2007 11:58 am
median-avg
by arocks »
Class A and B took the same test. For class A, median score is 80,...
0
Last post by arocks
Sun Oct 14, 2007 11:32 am
help
by manasi_sh »
What was John’s average driving speed in miles per hour during a...
2
Last post by Suyog
Sat Oct 13, 2007 4:36 pm
function
by magical cook »
If n is an integer and f(n) = f(n - 1) - n, what is the value of f...
1
Last post by arocks
Sat Oct 13, 2007 11:35 am
co-ordinate - gmatprep
by arocks »
In the xy-coordinate plane, line l and k intersect at the point...
2
Last post by arocks
Sat Oct 13, 2007 1:39 am
surface area - gmatprep
by arocks »
What is the total surface area of rectangular solid R? 1) the surface...
1
Last post by camitava
Sat Oct 13, 2007 1:38 am
s14, q14
by Suyog »
If x is an integer, is x | x | < 2x (1) x < 0 (2) x = - 10 Ans...
2
Last post by Suyog
Fri Oct 12, 2007 9:39 pm
DS Remainder
by Suyog »
1) when x is divided by 4 the remainder is 3; when x is divided by 6...
0
Last post by Suyog
Fri Oct 12, 2007 9:23 pm
explain
by manasi_sh »
A jewelry dealer initially offered a bracelet for sale at an asking...
4
Last post by samirpandeyit62
Thu Oct 11, 2007 9:43 pm
Q'4
by Suyog »
In the figure above, x, y, and z denote the lengths of the sides of a...
2
Last post by Suyog
Thu Oct 11, 2007 6:20 am
One tough Data Sufficiency Problem
by Jinger »
Date sufficiency M is two a digit number and 2m is a three digit...
8
EXPERT REPLIES
Last post by samirpandeyit62
Thu Oct 11, 2007 2:24 am
Q'3
by Suyog »
Does x^2 = y ? (1) root y = -x (2) x < y
1
Last post by pahwa
Thu Oct 11, 2007 1:27 am
Geometry DS
by Bhandaripreeti »
V
2
EXPERT REPLIES
Last post by Bhandaripreeti
Thu Oct 11, 2007 1:16 am
DS question from GMAT PREP - III
by jay2007 »
Can somebody help me in solving this problem?
4
Last post by jay2007
Wed Oct 10, 2007 7:44 pm
simple but cnt understand
by manasi_sh »
Is x2 equal to xy? (1) x2 - y2 = (x + 5)(y - 5) (2) x = y Ans B.. x2=...
1
Last post by santsark
Tue Oct 09, 2007 11:00 pm
Q'1
by Suyog »
Is the integer n even ? (1) n^2 - 1 is odd. (2) root n is an integer.
1
Last post by achandwa
Tue Oct 09, 2007 3:29 pm
DS question from GMAT PREP - II
by jay2007 »
Can somebody help me in solving this problem?
1
Last post by achandwa
Tue Oct 09, 2007 10:44 am
From GMAT online practice Exam
by achandwa »
From the information provided in the question here're several...
0
Last post by achandwa
Tue Oct 09, 2007 9:58 am
DS question from GMAT PREP
by jay2007 »
Can somebody help me in solving this problem?
2
Last post by jay2007
Tue Oct 09, 2007 6:03 am
coord geo
by d0nw0ng »
in the xy plane, what is the slop of line L? a) line L does not...
1
Last post by ratindasgupta
Mon Oct 08, 2007 12:01 pm
numbers op
by d0nw0ng »
if the units digital of the three digit positive integer k is not...
2
Last post by arocks
Mon Oct 08, 2007 11:57 am
Triangle DS - Set11 Q20
by arocks »
In the triangle, is x>90? 1) a^2+b^2<15 2) c>4 Pls explain....
2
Last post by arocks
Mon Oct 08, 2007 11:26 am
Manhattan GMAT challenge question
by gabriel »
Source: - Manhattan GMAT (www.manhattangmat.com) w, x, y, and z are...
1
Last post by ratindasgupta
Mon Oct 08, 2007 10:03 am
Inequality - set11 Q28
by arocks »
If x and y are integers and x>0, is y>0? 1) 7x-2y>0 2)...
1
Last post by josephcho77
Mon Oct 08, 2007 5:10 am
Confusing equation - Set11 Q5
by arocks »
If (y+3)(y-1)-(y-2)(y-1)=r(y-1), what is the value of y? 1) r^2=25 2)...
2
Last post by arocks
Mon Oct 08, 2007 12:53 am
coordinate - set10 Q23
by arocks »
In the xy-plane, point (r, s) lies on a circle with center at the...
3
Last post by arocks
Sun Oct 07, 2007 11:14 am
prob
by manasi_sh »
If positive integer n<=3 and n is the number of times a coin is...
1
Last post by manasi_sh
Sun Oct 07, 2007 7:28 am
ds set 8,Q13
by emrahinci »
Marcia’s bucket can hold a maximum of how many liters of water? (1)...
1
Last post by gabriel
Sun Oct 07, 2007 2:52 am
coord geo prob
by d0nw0ng »
in the xy-plan, the line equation ax + by + c = 0, where abc doesnt...
1
Last post by samirpandeyit62
Sun Oct 07, 2007 1:02 am
tough DS.
by samirpandeyit62 »
0
Last post by samirpandeyit62
Sun Oct 07, 2007 12:48 am
Coordinate - Set8 Q12
by arocks »
In the xy-plane, region R consists of all the points (x, y) such that...
4
Last post by arocks
Sat Oct 06, 2007 12:35 pm
ratio prob
by d0nw0ng »
$60,000 was invested for a year. part of it earned simple annual...
1
Last post by arocks
Sat Oct 06, 2007 12:16 pm
DS set 11,Q20
by emrahinci »
20. How many bags of grass seed were used for rectangular lawn X ?...
1
Last post by josephcho77
Sat Oct 06, 2007 6:59 am
Mean
by samirpandeyit62 »
If the average of 6 numbers is 20, how many of the numbers are equal...
5
Last post by josephcho77
Sat Oct 06, 2007 6:35 am
SD DS
by roybudhaditya »
During an experiment,some water was removed from each of 6 water...
1
Last post by samirpandeyit62
Sat Oct 06, 2007 1:59 am
DS set 10, Q 11
by emrahinci »
11. Is x between 0 and 1? (1) x 2 is less than x. (2) x3 is positive...
1
Last post by gabriel
Fri Oct 05, 2007 11:47 pm
Coordinate geometry
by roybudhaditya »
In the XY plane the link k pases through the origin & through the...
1
Last post by mschling52
Fri Oct 05, 2007 12:21 pm
Coordinate geometry
by roybudhaditya »
Lines n & p lie in the XY plane.Is the slope of line n less that...
0
Last post by roybudhaditya
Fri Oct 05, 2007 11:58 am
Integer problem,
by roybudhaditya »
If X & Y are integer,what is the value of X+Y??...
0
Last post by roybudhaditya
Fri Oct 05, 2007 11:56 am