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Data Sufficiency

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Remainder
by ela07mjt »
When the positive integer n is divided by 25, the remainder is 13....
5
Last post by GMATGuruNY
Tue Feb 26, 2013 5:51 am
Babies born
by anastasios1984 »
Each baby born at a certain hospital last week was either a single...
1
Last post by Anurag@Gurome
Tue Feb 26, 2013 4:37 am
EQUATIONS + AVERAGE
by candela.tartiere »
Fabio bought several pairs of socks, some woolen and the others...
1
Last post by Anurag@Gurome
Tue Feb 26, 2013 4:28 am
Inequalities
by anastasios1984 »
Is Z<0? i) x*y>0 , z*y>0 ii)x>0
1
Last post by Anurag@Gurome
Tue Feb 26, 2013 4:00 am
absolute value
by anastasios1984 »
If X and Y are integers and Y = |x+3| + |4-x| does Y = 7? i) X<4...
1
Last post by Anurag@Gurome
Tue Feb 26, 2013 3:56 am
SOLVING EQUATIONS
by candela.tartiere »
Is x+y=7 ? (1) 4x+3y=24 (2) x and y are positive integers I don't...
1
Last post by Anurag@Gurome
Tue Feb 26, 2013 3:50 am
Ratios, Cola, Root Beer and Ginger
by anastasios1984 »
If Pei ordered a total of 63 bottles of Cola, Root Beer ang Ginger,...
1
Last post by Anurag@Gurome
Tue Feb 26, 2013 3:39 am
ALGEBRA
by candela.tartiere »
if k and m are numbers such that k + m = 20 and k^2 + m^2 = 289, then...
1
Last post by Anurag@Gurome
Tue Feb 26, 2013 3:14 am
Data Sufficiency Question
by sparkles3144 »
I need help with this. Can somebody please explain? What is the value...
4
Last post by Brent@GMATPrepNow
Sun Feb 24, 2013 7:35 pm
Data Sufficiency tasks 119 and 113.
by DBushkalov »
Is there an easier way to solve task nr. 119 ? I mean, it is very...
3
Last post by DBushkalov
Sun Feb 24, 2013 6:45 am
Zero is a even integer
by leyley1390 »
Hi, I had this question on the GMAT: if x,y,z are three integers, are...
4
Last post by The Iceman
Sat Feb 23, 2013 10:00 am
Of the 60 families in a certain neighborhood
by Soumita Ghosh »
Of the 60 families in a certain neighborhood, 38 have a cat. How many...
1
Last post by ceilidh.erickson
Fri Feb 22, 2013 1:04 pm
Is |x+y|>|x-y|?
by guerrero »
Is |x+y|>|x-y|? a) |x|>|y| b) |x-y|<|x| IS there a way we...
3
Last post by GMATGuruNY
Thu Feb 21, 2013 3:00 pm
Is |x−5|>4?
by guerrero »
Is |x−5|>4? (1) x^2−4>0 (2) x^2−1<0 OA B...
3
Last post by ceilidh.erickson
Thu Feb 21, 2013 12:03 pm
DS - Decimals and Ratio combined.
by rajat27 »
Any decimal that has only a Â…infnite number of nonzero digits is...
3
Last post by GMATGuruNY
Thu Feb 21, 2013 11:54 am
DS - Decimals
by rajat27 »
Is the number x between 0.3 and 0.6 ? (1) 425x < 85 (2) 170x <...
3
Last post by ceilidh.erickson
Thu Feb 21, 2013 11:08 am
Difficult Question. Co Ordinate Geometry
by Chitturi »
Lines a and b have different y-intercepts. When line a is reflected...
2
Last post by aditya8062
Thu Feb 21, 2013 5:41 am
Fraction!!!
by rajatvmittal »
Can a fraction or decimal be odd or even?
1
Last post by Anurag@Gurome
Thu Feb 21, 2013 5:13 am
beat the DS from GMAT Club CAT
by sachindia »
OA= D
1
Last post by Anurag@Gurome
Wed Feb 20, 2013 2:56 am
Arithmetic mean
by selango »
If y is a negative number greater than -8, is x greater than the...
28
Last post by rajeshsinghgmat
Tue Feb 19, 2013 6:23 pm
Factorization
by ostrowskiamy »
Is x<y? (1) 2x<3y (2) xy>0 My answer = C (I tried various...
3
Last post by GMATGuruNY
Tue Feb 19, 2013 1:19 pm
Sets of Numbers
by ostrowskiamy »
If M is a finite set of negative integers, is the total number of...
2
Last post by ceilidh.erickson
Tue Feb 19, 2013 11:36 am
Dividing exponents
by ostrowskiamy »
Hi there! Next question: 2^(4-1)^2 / 2^(3-2). My answer = 2^5....
2
Last post by ceilidh.erickson
Tue Feb 19, 2013 11:05 am
Factorization
by ostrowskiamy »
If N is a positive integer, is the units digit = 0? (1) Both 14 and...
5
Last post by ceilidh.erickson
Tue Feb 19, 2013 10:53 am
Number Properties
by ela07mjt »
1. Is the positive integer j divisible by a greater number of...
5
Last post by ceilidh.erickson
Tue Feb 19, 2013 10:39 am
The profit function when Company C
by gmatdriller »
The profit function when Company C produces and sells x units of...
10
Last post by lunarpower
Tue Feb 19, 2013 1:12 am
Help! Practice Test Gone Wrong
by ostrowskiamy »
Hi folks! I'm close to test date and decided to take one last...
2
Last post by Anurag@Gurome
Mon Feb 18, 2013 11:00 pm
Range of heights
by ostrowskiamy »
For kids in Class A, the range of heights is r, and the greatest...
1
Last post by Anurag@Gurome
Mon Feb 18, 2013 10:49 pm
maximum possible number of chocolate bars per hour- DS quest
by guerrero »
What is the maximum possible number of chocolate bars per hour...
2
Last post by pemdas
Mon Feb 18, 2013 6:41 pm
help
by rajatvmittal »
A Wagstaff prime is a prime number p such that p=((2q)+1)/3, when q...
8
Last post by subhakam
Mon Feb 18, 2013 1:05 pm
GMAT QUESTION: INEQUALITIES
by candela.tartiere »
A certain economics report defines a middle-income family as a family...
2
Last post by Brent@GMATPrepNow
Mon Feb 18, 2013 11:15 am
DS - interesting problem
by patanjali.purpose »
Can we find better ways to handle this problem. OA - E; Source:...
8
Last post by pemdas
Sun Feb 17, 2013 3:55 pm
primes again!!!
by rajatvmittal »
If a number is to be randomly selected from Set X, what is the...
9
Last post by Tommy Wallach
Sun Feb 17, 2013 3:54 pm
A school administrator will assign each student in a group
by doclkk »
A school administrator will assign each student in a group of n...
23
Last post by tanviet
Sun Feb 17, 2013 8:39 am
Another mind numbing one!!!
by rajatvmittal »
Is x2+y2>3z? (2 is square and z is multiplication) a)(x+y)2=9z,...
1
Last post by GMATGuruNY
Sun Feb 17, 2013 5:43 am
Data Sufficient Geometry Question - advice to tackle
by Orla M »
Am seeking your help with the following, thanks! I am given two...
6
Last post by GMATGuruNY
Sat Feb 16, 2013 11:54 am
DS integer properties: all possibilities eliminated?
by Orla M »
Hi again, there will be another couple of postings and thanks in...
2
Last post by Brent@GMATPrepNow
Sat Feb 16, 2013 9:25 am
OG 13 question 57 and 132, similar questions or not?
by [email protected] »
Hi I want to understand the difference between the question no 57 and...
3
Last post by Tommy Wallach
Fri Feb 15, 2013 12:27 pm
Yes/No DS
by Val911 »
Hey Guys, Stumbled upon the following question: If r and s are the...
3
Last post by GMATGuruNY
Fri Feb 15, 2013 10:08 am
Confused on the solutions given in OG 13
by [email protected] »
Both the questions in OG 13 are similar but the solutions are...
3
Last post by GMATGuruNY
Fri Feb 15, 2013 9:40 am
The solution on OG 13 seems incorrect
by [email protected] »
Aschool administrator will assign each student in a group of n...
1
Last post by GMATGuruNY
Fri Feb 15, 2013 8:40 am
work and time
by rajatvmittal »
16 horses can haul a load of lumber in 24 minutes. 12 horses started...
2
Last post by rajatvmittal
Thu Feb 14, 2013 10:48 pm
whats is wrong? coordinates
by rajatvmittal »
A line is graphed on a coordinate plane. How many times less is the...
1
Last post by Ian Stewart
Thu Feb 14, 2013 12:01 pm
DS question help
by kkadvent »
For Students in Class A the range of height is r cm and the greatest...
1
Last post by Ian Stewart
Wed Feb 13, 2013 6:30 am
Capacity
by Soumita Ghosh »
I picked up C . Am I correct ?? Can anyone solve this for me and...
2
Last post by ceilidh.erickson
Tue Feb 12, 2013 1:56 pm
survery result
by kunalkulkarni »
DS questions: Can some expert please explain me the answer of below...
3
Last post by ceilidh.erickson
Tue Feb 12, 2013 1:36 pm
If a and n are integers
by himu »
If a and n are integers and n > 1, is n odd? (1) a^(n-1)...
2
Last post by himu
Mon Feb 11, 2013 7:59 pm
Percentage DS
by guerrero »
Price increased by M% from 1991 to 1992 and by N% from 1992 to 1993....
2
Last post by GMATGuruNY
Mon Feb 11, 2013 4:36 am
Prime Number
by Soumita Ghosh »
I chose E But OA B first I do not understand what does it mean by...
1
Last post by Ian Stewart
Sun Feb 10, 2013 1:14 pm
Help Needed !!
by Soumita Ghosh »
I chose A Please let me know whether I am correct?
1
Last post by Ian Stewart
Sun Feb 10, 2013 3:17 am