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Data Sufficiency

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average
by rahul.s »
If the average (arithmetic mean) of six different numbers is 25, how...
1
Last post by ajith
Sun Jan 31, 2010 4:03 am
GMAT Prep Geometry
by caramel3536 »
Lines n and p lie on the xy plane. Is the slope of line n less than...
15
Last post by tanviet
Sun Jan 31, 2010 1:22 am
consecutive integers?
by rahul.s »
are integers x, y and z consecutive? 1) y equals the arithmetic mean...
5
Last post by rahul.s
Sat Jan 30, 2010 8:21 pm
is x > 3?
by rahul.s »
is x > 3? 1) (x-3)(x-2)(x-1) > 0 2) x > 1 OA: E the OE was...
5
Last post by Ian Stewart
Sat Jan 30, 2010 1:52 pm
how many different prime numbers are factors of the expressi
by bhumika.k.shah »
If K is a positive integer, how many different prime numbers are...
6
Last post by ajith
Sat Jan 30, 2010 12:47 pm
A swimmer makes a round trip
by rahul.s »
A swimmer makes a round trip up and down the river which takes her x...
3
Last post by ajith
Sat Jan 30, 2010 12:41 pm
A soccer captain needs to distribute soccer balls
by bhumika.k.shah »
A soccer captain needs to distribute p soccer balls among q practice...
2
Last post by ajith
Sat Jan 30, 2010 6:08 am
How much did joanie eat?
by bhumika.k.shah »
When Joanie began eating cereal, the box of cereal was 2/3 full. How...
3
Last post by sars72
Sat Jan 30, 2010 2:26 am
GMAT PREP XY Coordinate
by pkw209 »
Hi, I've seen a few explanations for this problem but none are clear...
2
Last post by pkw209
Fri Jan 29, 2010 1:25 pm
Is 4^x less than 5000?
by bhumika.k.shah »
Is 4^x less than 5000? A.4^x+1 > 16000 B.4^x+1=4^x+12288 Kindly...
7
Last post by ajith
Fri Jan 29, 2010 11:38 am
Need Help Please on Data Suffucuency
by phoenix9801 »
Hi I need help to figure out... since I am not too sure about them....
2
Last post by Shawshank
Fri Jan 29, 2010 2:25 am
Digits
by adorendra »
What is the tens digit of positive intiger r? 1. The tens digit of...
5
Last post by thephoenix
Thu Jan 28, 2010 8:15 am
Good one
by ontopofit »
One kilogram of a certain coffee blend consists of x kilogram of type...
5
Last post by sanju09
Thu Jan 28, 2010 6:20 am
Is xy divisible by 6 ?
by sumanr84 »
If w, x and y are different positive integers, and wxy = 24, is xy...
3
Last post by tanviet
Thu Jan 28, 2010 3:05 am
hard problem from gmatprep,help
by tanviet »
what is remainder when p^2-n^2 is divided by 15 1, remainder when p+n...
5
Last post by tanviet
Thu Jan 28, 2010 2:56 am
Roman Party - Overlapping Sets
by suchoudh »
The king set a big party. Each guest had to wear either a red tunic...
6
Last post by dmitriyaleyev
Wed Jan 27, 2010 9:20 am
is x>y?
by meraGMAT1 »
is x > y? 1) sqrt(x) > y 2) cube(x) > y Here is what i...
11
Last post by dmitriyaleyev
Wed Jan 27, 2010 8:56 am
sequence and series
by rahul.s »
Sequence X consists of 825 terms, and each term after the first term...
3
Last post by ajith
Wed Jan 27, 2010 4:28 am
A better way to solve this problem
by jnbimmer »
A school administrator will assign each student in a group of n...
2
Last post by tanviet
Wed Jan 27, 2010 2:06 am
Is |x-6|>5
by bhumika.k.shah »
Is |x-6|>5 1. x is an integer 2. x^2<1 Ans B Obviously 1 is...
10
Last post by money9111
Tue Jan 26, 2010 10:46 pm
Standard Deviation of Even numbers
by suchoudh »
Series P consists of 5 items. The standard deviation of the items in...
9
Last post by ajith
Tue Jan 26, 2010 8:49 pm
Gprep co ordinate geo
by xcusemeplz2009 »
i was able to solve it graphically , intrested in how to find the...
4
Last post by tanviet
Tue Jan 26, 2010 8:34 pm
Is p/q>r^2/s?
by bhumika.k.shah »
Is p/q>r^2/s? 1.p/q>r/s 2.r=1 OA C How???? different approaches...
4
Last post by bhumika.k.shah
Tue Jan 26, 2010 4:34 pm
Will project Alpha be completed by the deadline?
by bhumika.k.shah »
Andy, George and Sally are a team of consultants working on Project...
15
Last post by bhumika.k.shah
Tue Jan 26, 2010 4:29 pm
Inequality Question for Stuart Kovinsky
by beat2009 »
Stuart, having noticed the superb quality of your insights on other...
5
Last post by hk_4u
Tue Jan 26, 2010 11:56 am
Perfect Sq
by sumanr84 »
Is the positive integer N a perfect square? (1) The number of...
2
Last post by ajith
Tue Jan 26, 2010 11:51 am
is x^16-y^8+345y^2 divisible by 15
by bhumika.k.shah »
If x and y are positive integers, is x^16-y^8+345y^2 divisible by 15?...
2
Last post by dmitriyaleyev
Tue Jan 26, 2010 9:14 am
GMAT Prep DS #11
by doudou »
If n and y are positive integers and 450y = n^3, which of the...
4
Last post by rahul.s
Tue Jan 26, 2010 7:51 am
MGMAT Absolute value
by sumanr84 »
In which quadrant of the coordinate plane does the point (x, y) lie?...
5
Last post by Osirus@VeritasPrep
Tue Jan 26, 2010 7:43 am
Exponents question from OG 11
by Osirus@VeritasPrep »
If x is an integer, is 9^(x) + 9 ^(-x) = b? (1) 3^(x) + 3^(-x) =...
4
Last post by Osirus@VeritasPrep
Tue Jan 26, 2010 7:20 am
Number properties question from OG 11
by Osirus@VeritasPrep »
If r and s are positive integers, is r/s an integer? (1) Every factor...
1
Last post by thephoenix
Tue Jan 26, 2010 6:49 am
ratios
by rahul.s »
What is the ratio of x to y ? (1) The ratio of 0.2x to 3y is 1 to 6....
2
Last post by bhumika.k.shah
Tue Jan 26, 2010 6:48 am
Inequalities problem from OG 11
by Osirus@VeritasPrep »
If x is an integer, is x |x| < 2x? (1) x < 0 (2) x = -10 OA D
7
Last post by sreak1089
Tue Jan 26, 2010 6:40 am
hard problem from GMATPrep
by tanviet »
Pls, help with this II I -------0----------------------> III IV Is...
1
Last post by ajith
Tue Jan 26, 2010 4:19 am
Is |x| < 1 ?
by lalmanistl »
Is |x| < 1 ? (1) |x + 1| = 2|x minus 1| (2) |x minus 3| > 0...
8
Last post by ajith
Tue Jan 26, 2010 2:08 am
Does Committee X have more members than Committee Y
by mehravikas »
DS16-19 Committee X and Committee Y, which have no common members,...
5
Last post by restero
Mon Jan 25, 2010 10:31 pm
Consecutive Integers
by joyseychow »
x, y, and z are consecutive integers, and x < y < z. What is...
1
Last post by fibbonnaci
Mon Jan 25, 2010 9:32 pm
Sufficient condition to be a rectangle
by suchoudh »
Is quadrilateral ABCD a rectangle? (1) The diagonal AC divides ABCD...
3
Last post by suchoudh
Mon Jan 25, 2010 4:19 pm
Can anyone help solving this ... (x-y)^4
by imane81 »
What is the value of (x - y)^4? (1)The product of x and y is 7. (2)x...
5
Last post by lalmanistl
Mon Jan 25, 2010 4:07 pm
I dont get statement 1.. pls help decipher lcm approach!!
by KICKGMATASS123 »
In the fraction x/y, where x and y are positive integers, what is the...
3
Last post by imanemekouar
Mon Jan 25, 2010 2:07 pm
group of 10
by arorag »
If 2 different representatives are to be selected at random from a...
9
Last post by imanemekouar
Mon Jan 25, 2010 1:51 pm
Value DS Question - help
by cgc »
Exactly how many bonds does Bob have? (1) Of Bob's bonds, exactly 21...
2
Last post by ajith
Mon Jan 25, 2010 11:23 am
If X and Y are prime integers , what is X + Y ?
by bhumika.k.shah »
If X and Y are prime integers , what is X + Y ? A.X-Y is a prime...
7
Last post by bhumika.k.shah
Mon Jan 25, 2010 9:10 am
Rectangle
by mmslf75 »
Is the surface area of a rectangular pool larger than 1000 square...
5
Last post by ct799
Mon Jan 25, 2010 5:24 am
Number Properties
by raju232007 »
The answer to this question has already been posted in this...
5
Last post by ajith
Mon Jan 25, 2010 3:31 am
11 consecutive integers
by rahul.s »
If eleven consecutive integers are listed from least to greatest,...
8
Last post by VikingWarrior
Sun Jan 24, 2010 11:47 pm
DS: q 74 from 198 700 Level Question
by tallazndood »
Question: 74) Sum of positive integers x and y is 72. What is xy? 1....
2
Last post by tallazndood
Sun Jan 24, 2010 11:06 pm
is (x^7)(y^2)(z^3)>0?
by bhumika.k.shah »
is (x^7)(y^2)(z^3)>0? Statement I .yz<0 Statement II . xz>0...
10
Last post by bhumika.k.shah
Sun Jan 24, 2010 10:21 pm
hard question from good source
by tanviet »
Pls, tell me how to solve quick is xy>0? 1, x-y>2 2, x-2y<-6
6
Last post by sreak1089
Sun Jan 24, 2010 8:04 pm
Is x^2 < x
by apuso »
If x > 0, is x^2 < x ? (1) 0.1 < x < 0.4 (2) x^3 < x^2
6
Last post by asherman
Sat Jan 23, 2010 12:04 am