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Data Sufficiency

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average
by nahid078 »
If w < x < y < z, is the average (arithmetic mean) of w, x,...
1
Last post by Ian Stewart
Fri Jul 03, 2015 9:03 am
Coordinate geometry parabola
by vipulgoyal »
The line represented by which of the following equations does not...
1
Last post by theCEO
Fri Jul 03, 2015 7:41 am
DS
by prachi18oct »
Please explain few approaches to solve this problem. During exam, I...
2
Last post by GMATGuruNY
Fri Jul 03, 2015 7:14 am
The rectangular rug shown in the figure above has an accent
by canbtg »
The rectangular rug shown in the figure above has an accent border....
1
Last post by [email protected]
Thu Jul 02, 2015 10:09 am
OG Question - The explanation is not exactly lucid
by GMAT_AS »
At a certain company, a test was given to a group of men & women...
2
Last post by Brent@GMATPrepNow
Thu Jul 02, 2015 7:47 am
algebra
by prachi18oct »
If a, b are nonzero integers, what is the value of ab? (1) a = ab...
3
Last post by theCEO
Wed Jul 01, 2015 2:16 am
Algebra
by prachi18oct »
Does x = 9 - bx? (1) x = b (2) b = -1
3
Last post by theCEO
Wed Jul 01, 2015 1:41 am
Explain pls
by prachi18oct »
If a is a positive integer less than 3 and b is a positive integer...
11
Last post by nikhilgmat31
Tue Jun 30, 2015 11:26 pm
Decimals
by prachi18oct »
If x is an integer, does the decimal expression of the fraction x/8...
7
Last post by nikhilgmat31
Tue Jun 30, 2015 11:09 pm
Geometry
by prachi18oct »
In triangle WXY, what is the length of side XY? (1) a = 45 (2) a...
1
Last post by Ian Stewart
Tue Jun 30, 2015 7:50 pm
Tough Problem
by prachi18oct »
If m and q are divisors of c, is mq a divisor of c that is not c or...
6
Last post by nikhilgmat31
Tue Jun 30, 2015 4:30 am
Doubt
by prachi18oct »
A telecommunications company's stock fell 10% last month,...
5
Last post by nikhilgmat31
Mon Jun 29, 2015 10:59 pm
Pls explain
by prachi18oct »
Let b and x be positive integers. If b is the greatest divisor of x...
5
Last post by Matt@VeritasPrep
Mon Jun 29, 2015 5:11 pm
Positive/Negative: If x, y, and z are positive integers, is
by II »
If x, y, and z are positive integers, is x-y odd ? (1) x = z^2 (2) y...
7
Last post by Matt@VeritasPrep
Mon Jun 29, 2015 4:29 pm
DS Geometry
by prachi18oct »
If a triangle inscribed in a circle has area 40, what is the area of...
5
Last post by nikhilgmat31
Fri Jun 26, 2015 3:38 am
Candy Cost
by sandipgumtya »
Pl help out in the following DS Prob: A candy manufacturer decided to...
9
Last post by nikhilgmat31
Fri Jun 26, 2015 2:03 am
n – 1 a multiple of 3
by j_shreyans »
Is positive integer n - 1 a multiple of 3? (1) n^3 - n...
2
Last post by nikhilgmat31
Fri Jun 26, 2015 1:58 am
Abs Value 2
by akhilsuhag »
Is |x2+y2| > |x2-y2| ? (1) x > y (2) x > 0
7
Last post by nikhilgmat31
Fri Jun 26, 2015 1:23 am
DS - Interesting question
by abhasjha »
. In the XY-Plane does line l intersect the graph of y=x^2? (a)Line l...
1
Last post by GMATGuruNY
Thu Jun 25, 2015 7:28 am
DS -slopes question
by abhasjha »
In the xy-plane shown, is the slope of the line L negative ? (1) Line...
1
Last post by GMATGuruNY
Thu Jun 25, 2015 2:43 am
absolute values
by prachi18oct »
If x and y are non-zero integers and |x| + |y| = 32, what is xy? (1)...
5
Last post by Brent@GMATPrepNow
Tue Jun 23, 2015 4:11 pm
Sets
by tapanmittal »
In a School, 250 students participate in debate or student government...
6
Last post by Brent@GMATPrepNow
Tue Jun 23, 2015 6:54 am
Integers
by tapanmittal »
If r and s are integers, is r/s an integer? 1.Every factor of s is...
1
Last post by GMATGuruNY
Mon Jun 22, 2015 8:29 pm
volume of rectangular solid
by siddhu161 »
What is the volume of a certain rectangular solid? 1. Two adjacent...
5
Last post by Mathexpert
Mon Jun 22, 2015 7:45 am
Number Properties w/ Remainders
by aznmexicana »
What is the remainder when the positive integer x is divided by 6? 1)...
34
Last post by nikhilgmat31
Mon Jun 22, 2015 2:54 am
Is AB parallel to CD?
by madhur_ahuja »
Is AB parallel to CD? (1) Angle a + angle b = 180º (2) angle a +...
10
Last post by saakshig
Sun Jun 21, 2015 9:49 pm
Algebra
by prachi18oct »
Let a, b, and c be negative integers. Is a^b - c^b < 0? (1)...
1
Last post by [email protected]
Sun Jun 21, 2015 4:24 pm
Arithmetic
by tapanmittal »
What is the hundreths digit of the decimal m? (1) The tenths digit of...
4
Last post by Brent@GMATPrepNow
Sat Jun 20, 2015 8:57 am
Cat & Owners
by sandipgumtya »
In a group of cats and their owners, how many cats are there? (1)...
4
Last post by theCEO
Fri Jun 19, 2015 12:21 am
DS Algebra
by prachi18oct »
Is rst ≤ 1? (1) rs + rt = 5 (2) r + st = 2 A)Statement (1)...
2
Last post by Ian Stewart
Tue Jun 16, 2015 10:25 am
Abs Value
by akhilsuhag »
Is x^12-2x^11 negative? (1) x^2 < |x| (2) x-1 <...
5
Last post by GMATGuruNY
Sun Jun 14, 2015 2:22 am
a% of b% of c an integer?
by j_shreyans »
If a, b, and c are positive integers such that a < b < c, is a%...
8
Last post by GMATGuruNY
Fri Jun 12, 2015 9:53 pm
DS - Arithmetic, Algebra ------- Problem
by minihobel »
Hi! I just ran over this question in OG - QR: DS part question 120.:...
5
Last post by DavidG@VeritasPrep
Fri Jun 12, 2015 3:56 am
x is a prime
by j_shreyans »
If x is a prime number, what is the value of x? (1) 2 x + 2 is the...
3
Last post by GMATGuruNY
Mon Jun 08, 2015 7:31 am
700-800 level Q...help
by ejager »
If list S contains nine distinct integers, at least one of which is...
3
Last post by GMATGuruNY
Mon Jun 08, 2015 6:43 am
DS : Is X^(a+b) > X^(a-b)
by nikhilgmat31 »
Is X^(a+b) > X^(a-b) if both a and b are positive integers? (1)...
4
Last post by nikhilgmat31
Sun Jun 07, 2015 11:01 pm
Data sufficiency
by Newaz111 »
The sum of positive integers x and y is 77. What is the value of xy?...
2
Last post by theCEO
Sun Jun 07, 2015 6:19 am
R greater than P
by j_shreyans »
List P contains m numbers; list Q contains n numbers. If the two...
2
Last post by GMATGuruNY
Sun Jun 07, 2015 2:19 am
Is M a multiple of 6
by GMAT_AS »
Is m a multiple of 6 ? Statement 1 : More than 2 of the first 5...
2
Last post by GMATGuruNY
Sat Jun 06, 2015 5:09 am
Data sufficiency
by Newaz111 »
If a, b, k, and m are positive integers, is a^k a factor of b^m? (1)...
10
Last post by Newaz111
Fri Jun 05, 2015 10:03 am
please explain: absolute value
by ejager »
What is the distance between a and b on the number line? 1. absolute...
3
Last post by [email protected]
Fri Jun 05, 2015 9:44 am
DS
by prachi18oct »
How can we assume that the shadows cast by trees will be in the same...
4
Last post by prachi18oct
Thu Jun 04, 2015 1:55 pm
Area of non paved area
by nikhilgmat31 »
What is the cost to plant grass in the non-paved area of the...
4
Last post by Brent@GMATPrepNow
Thu Jun 04, 2015 11:31 am
DS factors & multiples
by nikhilgmat31 »
If positive integer A = m^3n^2, where m and n are distinct prime...
1
Last post by [email protected]
Thu Jun 04, 2015 9:58 am
Good Question : Average Score of two classes.
by nikhilgmat31 »
The students of two classes appeared for an exam. The average score...
6
Last post by Brent@GMATPrepNow
Thu Jun 04, 2015 8:40 am
is k square of an integer ?
by nikhilgmat31 »
If k is a positive integer, is k the square of an integer? 1. k+1 is...
5
Last post by DavidG@VeritasPrep
Thu Jun 04, 2015 7:24 am
Mistake in GMAT DS videos?!
by minihobel »
Hi! I'm going straight to the point: on: ; Video 14. Choosing a...
3
Last post by Brent@GMATPrepNow
Thu Jun 04, 2015 7:01 am
DS FROM GPREP
by abhasjha »
In a certain year the United Nations' total expenditures were...
2
Last post by GMATGuruNY
Thu Jun 04, 2015 6:34 am
Data Sufficiency - Standard Deviation problem
by infiniti007 »
Any help on how to attack the following problem would be appreciated....
4
Last post by Ian Stewart
Thu Jun 04, 2015 5:51 am
Time taken by Steamer to cross river
by nikhilgmat31 »
A steamer which can travel at 10 miles per hour in still water starts...
1
Last post by GMATGuruNY
Thu Jun 04, 2015 4:26 am