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Data Sufficiency

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Last post
d/r?
by grandh01 »
A car traveled a distance of d miles in t minutes at an average rate...
1
Last post by eagleeye
Wed Aug 08, 2012 1:54 pm
what about 0 in this question? is it odd or even?!!!
by mehaksal »
Is the product of three integers p,q, and r even? 1. (p-1)(r+1)is odd...
3
EXPERT REPLIES
Last post by Anurag@Gurome
Tue Aug 07, 2012 10:32 pm
Divisibility & Primes - GMAT QR question
by adthedaddy »
Following is the question from GMAT Quant Review 1st Edition (Pg.182,...
1
Last post by niketdoshi123
Tue Aug 07, 2012 10:12 pm
machine x
by grandh01 »
Machine X runs at a constant rate and produces a lot consisting of...
1
Last post by niketdoshi123
Tue Aug 07, 2012 9:40 pm
average
by grandh01 »
If x is an integer, is y an integer? (1) The average (arithmetic...
1
Last post by adthedaddy
Tue Aug 07, 2012 9:11 pm
x < y?
by grandh01 »
Is x < y? (1) z < y (2) z < x
1
Last post by Bill@VeritasPrep
Tue Aug 07, 2012 8:12 pm
Red and White Marbles
by niketdoshi123 »
A jar contains 8 red marbles and y white marbles. If Joan takes 2...
7
Last post by GMATGuruNY
Tue Aug 07, 2012 6:25 pm
Ratios - princeton review problems.
by coolbreeze2011 »
1. A certain IT department of fewer than 15 people hires coders and...
7
Last post by mathewmithun
Tue Aug 07, 2012 12:06 am
The decimal representation of x
by alex.gellatly »
In the decimal representation of x, where 0,x,1, what is the tenths...
4
EXPERT REPLIES
Last post by Anurag@Gurome
Mon Aug 06, 2012 10:27 pm
Types of Numbers
by GMAT-Zenith »
If p is a positive integer, what is the value of p? 1). p/4 is a...
3
EXPERT REPLIES
Last post by GMAT-Zenith
Mon Aug 06, 2012 8:39 pm
bucket
by grandh01 »
Marcia's bucket can hold a maximum of how many liters of...
6
EXPERT REPLIES
Last post by Anurag@Gurome
Mon Aug 06, 2012 8:10 pm
rstu
by grandh01 »
If x = 0. rstu, where r, s, t, and u each represent a nonzero digit...
1
EXPERT REPLIES
Last post by Anurag@Gurome
Mon Aug 06, 2012 5:31 pm
pls explain!
by mehaksal »
On any given Saturday, flights arrive at XYZ airport every hour, for...
2
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon Aug 06, 2012 5:18 am
2nd Edition - OG - Question 70
by shanice »
How do I approach the below question? K is a set of numbers such that...
2
Last post by GMATGuruNY
Mon Aug 06, 2012 3:43 am
how do i solve this?
by grandh01 »
If Jack's and Kate's annual salaried in 1985 were each...
1
EXPERT REPLIES
Last post by Anurag@Gurome
Sun Aug 05, 2012 9:20 pm
n divisible by 7?
by grandh01 »
If k and n are integers, is n divisible by 7? (1) n - 3 = 2k...
1
EXPERT REPLIES
Last post by Anurag@Gurome
Sun Aug 05, 2012 8:46 pm
value of n?
by grandh01 »
What is the value of the positive integer n? (1) n4 < 25 (2) n...
1
EXPERT REPLIES
Last post by Anurag@Gurome
Sun Aug 05, 2012 5:11 pm
even integer?
by grandh01 »
If x is an integer, is (x + p)(x + q) an even integer? (1) q is an...
1
Last post by GMATGuruNY
Sun Aug 05, 2012 4:28 pm
Contradictory Statements?
by maestro96 »
Can two statements for data sufficiency questions provide...
2
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sun Aug 05, 2012 7:20 am
how do i solve this?
by grandh01 »
If y = 2^x+1, what is the value of y - x? (1) 2^2x+2 = 64 (2)...
2
EXPERT REPLIES
Last post by Anurag@Gurome
Sat Aug 04, 2012 9:14 pm
x cannot =0
by grandh01 »
If x≠0, what is the value of (x^p/x^q)^4 (1) p = q (2) x = 3...
2
EXPERT REPLIES
Last post by Anurag@Gurome
Sat Aug 04, 2012 9:10 pm
Total cost-DS
by parulmahajan89 »
The total cost of producing item X is equal to the sum of item X's...
3
EXPERT REPLIES
Last post by Anurag@Gurome
Sat Aug 04, 2012 9:06 pm
place value of numbers
by topspin360 »
any way to solve this problems using place value of numbers (100A +...
2
EXPERT REPLIES
Last post by Anurag@Gurome
Sat Aug 04, 2012 8:57 pm
absolute values...
by topspin360 »
For the problem below, why isn't the answer A? for |x+10| = 2x + 8,...
3
Last post by topspin360
Sat Aug 04, 2012 8:25 pm
y = to?
by grandh01 »
If x ≠ 1, is y equal to x + 1? (1) y-2/x-1=1 (2) y^2 = (x + 1)^2
3
Last post by eagleeye
Sat Aug 04, 2012 6:38 pm
sets
by AJWILL »
In a certain locality, 25% of the residents read newspaper A and 20...
1
Last post by eagleeye
Sat Aug 04, 2012 1:00 pm
Is M+Z>0? (GMAT PREP 1)
by alex.gellatly »
Is M+Z>0? 1. m-3z>0 2. 4Z-M>0 Thanks
2
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sat Aug 04, 2012 7:30 am
French and Japanese (GMAT PREP 1)
by alex.gellatly »
At least 100 students at a certain high school study Japanese. If 4...
3
EXPERT REPLIES
Last post by GmatMathPro
Sat Aug 04, 2012 6:10 am
picnic icecream DS
by sachindia »
At a certain picnic, each of the guests was served either a single...
3
EXPERT REPLIES
Last post by Anurag@Gurome
Sat Aug 04, 2012 3:50 am
Are x and y both positive?
by alex.gellatly »
Are x and y both positive? See attachment. Thanks!
2
EXPERT REPLIES
Last post by GMATGuruNY
Sat Aug 04, 2012 3:29 am
What is the value of x (GMAT PREP 1)q
by alex.gellatly »
In the figure attached, what is the value of x? 1. The length of line...
2
EXPERT REPLIES
Last post by GMATGuruNY
Sat Aug 04, 2012 3:24 am
annual salary of the 3 people (GMAT PREP 1)
by alex.gellatly »
In a certain year, the difference between Mary's and Jim's annual...
1
Last post by niketdoshi123
Sat Aug 04, 2012 3:22 am
the y-intercept of l (GMAT PREP 1)
by alex.gellatly »
In the xy-plane, what is the y-intercept of line l? (See attachment)...
1
EXPERT REPLIES
Last post by Anurag@Gurome
Sat Aug 04, 2012 3:14 am
OG 12 DS 79
by sachindia »
Leo can buy a certain computer for p1 dollars in State A, where the...
3
Last post by sachindia
Sat Aug 04, 2012 2:34 am
OG 13- DS- Q139
by Suz »
What is the median number of employees assigned per project for the...
3
EXPERT REPLIES
Last post by Anurag@Gurome
Fri Aug 03, 2012 8:26 pm
Mean Median problem
by gmattesttaker2 »
Hello, Can you please assist here: S = {1,2,5,7,x} If x is a positive...
4
EXPERT REPLIES
Last post by gmattesttaker2
Fri Aug 03, 2012 7:46 pm
how do i solve this
by grandh01 »
20. How many miles long is the route from Houghton to Callahan? (1)...
2
EXPERT REPLIES
Last post by [email protected]
Fri Aug 03, 2012 7:36 pm
Question on DS
by MI3 »
Q: What fraction of this year's graduation students at a certain...
5
Last post by bubbliiiiiiii
Fri Aug 03, 2012 6:13 am
DS question
by confuse mind »
In the attached question, we do not not know MP and NP are...
1
EXPERT REPLIES
Last post by Anurag@Gurome
Fri Aug 03, 2012 4:37 am
is [x] =0 ? (OG13)
by alex.gellatly »
If denotes the least integer greater than or equal to x, is =0 ? (1)...
2
Last post by vk_vinayak
Fri Aug 03, 2012 4:00 am
is rx<0 (OG13)
by alex.gellatly »
If r and s are the roots of the equation x2+ bx + c = 0,where b and c...
2
Last post by GMATGuruNY
Fri Aug 03, 2012 3:22 am
What is the standard deviation of list M? (OG13)
by alex.gellatly »
4, 6, 8, 10, 12, 14, 16, 18, 20, 22 List M(not shown) consists of 8...
1
Last post by GMATGuruNY
Fri Aug 03, 2012 3:11 am
A certain high school (OG13)
by alex.gellatly »
A certain high school with a total enrollment of 900 students held a...
1
EXPERT REPLIES
Last post by Anurag@Gurome
Thu Aug 02, 2012 9:59 pm
how do i solve this
by grandh01 »
15. If x≠0, is |x| <1? (1) x2<1 (2) |x| <1/x thanks in...
5
EXPERT REPLIES
Last post by alex.gellatly
Thu Aug 02, 2012 9:55 pm
confused
by grandh01 »
25. If n is an integer, is n/15 an integer? (1)3n/15 is an integer....
3
EXPERT REPLIES
Last post by Anurag@Gurome
Thu Aug 02, 2012 9:34 pm
DS HELP nutcrackers
by manihar.sidharth »
At a holiday store, the average price of the German nutcrackers is...
2
Last post by niketdoshi123
Thu Aug 02, 2012 9:24 am
DS rent from a corporation
by cceci »
Dear all struggling with GMAT, in the 12th edition of the review book...
2
Last post by GMATGuruNY
Thu Aug 02, 2012 2:40 am
DS Question1
by anshulagarwal12 »
What is the median number of employees assigned per projects at...
3
Last post by alex.gellatly
Wed Aug 01, 2012 8:24 pm
is 0 <n<1 ?
by kashishh »
St.1.) n^2 < n St.2.) n^3>0 Please tell how to solve this DS...
3
Last post by willrc
Wed Aug 01, 2012 4:03 am
MOD+Inequality
by kalpita123 »
I am able to solve the below problem using number plugging...
5
Last post by eagleeye
Tue Jul 31, 2012 5:25 pm