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Data Sufficiency

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POSTS
Last post
DS
by ST »
anyone can solve this problem for me? thanks
4
Last post by scoobydooby
Mon Mar 30, 2009 11:05 am
Integers
by ketkoag »
If y is an integer and y = |x| + x, is y = 0? (1) x < 0 (2) y <...
4
Last post by cm47323
Mon Mar 30, 2009 11:00 am
DS
by ST »
anyone can help me solve this problem?
1
Last post by rs2010
Mon Mar 30, 2009 10:57 am
Three digit Integer
by Kumar007 »
If k is a positive three digit integer, what is the hundreds digit of...
3
Last post by cm47323
Mon Mar 30, 2009 10:51 am
Dr Brown Vs Dr Adams
by PAB2706 »
10 students took a chemistry exam that was graded on a scale of 0 to...
1
Last post by rs2010
Mon Mar 30, 2009 10:37 am
Prime Number
by Kumar007 »
If K is a positive integer, is K the square of an integer? (1) K is...
1
Last post by cm47323
Mon Mar 30, 2009 10:33 am
DS
by ketkoag »
The ratio of the number of women to the number of men to the number...
1
Last post by rs2010
Mon Mar 30, 2009 9:45 am
DS/ Q 18/PAGE 323/KAPLAN MATH WORKBOOK
by nonimelb »
For all integers n, n*=n(n-1). What is the value of x*? (1) x*=x (2)...
2
Last post by nonimelb
Mon Mar 30, 2009 8:37 am
m ,r, x, y
by Baldini »
If m, r, x and y are positive, is the ratio of m to r equal to the...
3
EXPERT REPLIES
Last post by bluementor
Mon Mar 30, 2009 7:23 am
9 ^ (x) + ... +9 ^ (x + 5) = y
by sanju09 »
x is a positive number. If 9 ^ (x) + 9 ^ (x + 1) +9 ^ (x + 2) +9 ^ (x...
2
EXPERT REPLIES
Last post by Ian Stewart
Mon Mar 30, 2009 6:56 am
car moving at 8:00
by sanju09 »
The car travelled for 2 hours from 7:00 till 9:00. At what speed was...
1
Last post by iwant700plus
Mon Mar 30, 2009 6:40 am
x multiple of y
by Baldini »
If x and y are integers greater than 1, is x a multiple of y? 1. 3y^2...
1
Last post by bluementor
Mon Mar 30, 2009 12:43 am
distance
by baller12q »
If it took Carlos 1/2 hour to cycle from his house to the library...
4
Last post by cm47323
Sun Mar 29, 2009 11:40 pm
DS Manipulations Guide... Where?
by BlindVision »
Can anyone lead me to dedicated resources that lays out various...
2
EXPERT REPLIES
Last post by BlindVision
Sun Mar 29, 2009 9:50 pm
remainder
by baller12q »
When the positive integer N is divided by 25, the remainder is 13,...
1
Last post by Feep
Sun Mar 29, 2009 8:38 pm
number line
by baller12q »
On the number line, what is the distance between the point 2x and the...
1
Last post by Ramp
Sun Mar 29, 2009 6:25 pm
number line
by baller12q »
Is y between -2 and 1 on the number line? 1) Y is to the right of -1...
1
Last post by iwant700plus
Sun Mar 29, 2009 6:11 pm
CATPREP - circle vs. triangle
by gbb »
answer c
1
Last post by bec.amit
Sun Mar 29, 2009 3:18 pm
positive integer
by baller12q »
If the product of the three digits of positive interger K is 14, what...
1
Last post by cramya
Sun Mar 29, 2009 11:46 am
DS
by ketkoag »
Theater M has 25 rows with 27 seats in each row. How many of the...
3
Last post by scoobydooby
Sun Mar 29, 2009 10:52 am
digits
by baller12q »
If N is a positive interger, is the Units digit of N equal to zero?...
3
Last post by scoobydooby
Sun Mar 29, 2009 10:47 am
Compound interest DS Q from Kaplan math WB 324 Q 22
by nonimelb »
Following is a DS question. Please help me to explain the concept...
4
Last post by nonimelb
Sun Mar 29, 2009 9:06 am
Integer
by ketkoag »
If x is a positive integer, is the remainder 0 when 3^x + 1 is...
1
Last post by scoobydooby
Sun Mar 29, 2009 7:02 am
DS
by ketkoag »
How many different factors does the integer n have? (1) n = a^4b^3,...
1
Last post by scoobydooby
Sun Mar 29, 2009 6:45 am
xy-plane
by baller12q »
Lines N and P lie in the xy-plane. is the slope of line N less than...
1
Last post by hrishikesh05
Sat Mar 28, 2009 9:07 pm
Multiple of 3
by svishal1123 »
Hello, Here's a question from Princeton Review: If P is a set of...
3
Last post by svishal1123
Sat Mar 28, 2009 6:58 pm
cooridnate plane
by baller12q »
In the xy-coordinate plane, the slope of line L is 3/4 does line L...
1
Last post by cramya
Sat Mar 28, 2009 6:49 pm
Need HELP on Interpreting DS question
by BlindVision »
If ab = 8 , is a greater than b ? 1) -3b GREATER THAN/EQUAL -18 2) 2b...
3
Last post by gmat740
Sat Mar 28, 2009 6:11 pm
CATPREP
by gbb »
Is x+y > xy ? (i) |x|=y (ii) x < 0 < y answer c
1
Last post by cramya
Sat Mar 28, 2009 4:22 pm
CATPREP
by gbb »
X and Y are both prime numbers. Determine X. (i) x-y=2 (ii)x^2 - y^2...
1
Last post by cramya
Sat Mar 28, 2009 3:36 pm
positive and negative's
by baller12q »
are x and y both positive? (1) 2x-2y=1 (2) x/y>1 please help with...
1
Last post by cramya
Sat Mar 28, 2009 1:47 pm
remainder
by baller12q »
what is the remainder when the positive interger n is divided by 6?...
1
Last post by cramya
Sat Mar 28, 2009 1:44 pm
DS
by ketkoag »
Which of the following fractions has the greatest value? A.1/((3^2...
2
Last post by cramya
Sat Mar 28, 2009 9:32 am
If vmt &#8800; 0, is v^2m^3t^-4 > 0?
by srivas »
If vmt &#8800; 0, is v^2m^3t^-4 > 0? (1) m > v^2 (2) m >...
1
Last post by cramya
Sat Mar 28, 2009 9:25 am
Fraction
by ketkoag »
What is the value of (a^-2)(b^-3) ? (1) (a^-3)(b-^2) = 36^-1 (2)...
2
Last post by cramya
Sat Mar 28, 2009 9:20 am
Weighted average (lost in 2 second option)
by El Cucu »
The average weight of the women in a room is 120 lbs, and the average...
2
Last post by mjjking
Sat Mar 28, 2009 9:01 am
DS
by ketkoag »
If R =P/Q , is R = P ? (1) P > 50 (2) 0 < Q = 20 OA: E Please...
2
Last post by ketkoag
Sat Mar 28, 2009 5:59 am
Staff DS
by ketkoag »
A department manager distributed a number of pens, pencils, and pads...
1
Last post by DanaJ
Sat Mar 28, 2009 4:45 am
Average
by ketkoag »
Martin has worked for the last 30 years. If his average (arithmetic...
1
Last post by DanaJ
Sat Mar 28, 2009 4:20 am
DS
by ketkoag »
A school administrator will assign each student in a group of n...
1
Last post by DanaJ
Sat Mar 28, 2009 4:12 am
xy plane region
by jfranco23 »
In the xy plane, region R consists of all the points (x,y) such that...
3
Last post by Sumit69
Sat Mar 28, 2009 2:19 am
GMAT prep Question
by gmat740 »
Guys My answer is coming to be C My (A) we have an equation 0.36M...
6
EXPERT REPLIES
Last post by ontopofit
Sat Mar 28, 2009 1:28 am
DS-01
by Sumit69 »
Is the hundreth digit of decimal d greater than 5? (i) The tenths...
1
Last post by DanaJ
Fri Mar 27, 2009 11:34 pm
Product of Integers
by Sumit69 »
A certain list consist of several different integers. Is the product...
1
Last post by DanaJ
Fri Mar 27, 2009 11:32 pm
DS-02
by Sumit69 »
On certain sight seeing tour , the ratio of the number of women to...
2
Last post by Sumit69
Fri Mar 27, 2009 10:47 pm
Manhattan CAT
by gbb »
What is the ratio of r to s? (i) r + s = 7 (ii) r^2 - s^2 = 7 answer...
2
Last post by Stuart@KaplanGMAT
Fri Mar 27, 2009 9:24 pm
DS
by ketkoag »
Q. The integers m and p are such that 2<m<p and m is not a...
3
Last post by goelmohit2002
Fri Mar 27, 2009 7:25 pm
Help
by ST »
can anyone help me to solve this problem? ST
3
Last post by ST
Fri Mar 27, 2009 6:31 pm
mgmat 4
by resilient »
Guests at a recent party ate a total of fifteen hamburgers. Each...
4
Last post by kanha81
Fri Mar 27, 2009 4:31 pm
if x,y and z are integers, is x(y^2 + z^3) even ?
by quocbao »
if x,y and z are integers, is x(y^2 + z^3) even ? (1) x is odd (2)...
4
Last post by goelmohit2002
Fri Mar 27, 2009 10:19 am