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Data Sufficiency

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Triangle
by beater »
Please explain
7
Last post by mrsmarthi
Sun Feb 08, 2009 10:21 pm
Sets
by ellexay »
In a group of 30 students, 18 are enrolled in an English class and 16...
2
Last post by mrsmarthi
Sun Feb 08, 2009 9:17 pm
the integers a and n
by bstalling »
the integers a and n are greater than 1 and the product of the first...
2
Last post by cramya
Sun Feb 08, 2009 7:52 pm
Inequality 4
by willbeatthegmat »
Is XY >0? 1) x-y> -2 2) x-2y< -6 OA c
4
Last post by cramya
Sun Feb 08, 2009 9:10 am
factoring
by vladmire »
So I'm suppose so solve for the equation. I see that I can factor a 5...
1
Last post by cramya
Sun Feb 08, 2009 6:52 am
Is x>10^10
by anayeri »
Is x > 10^10 ? (1) x > 2^34 (2) x = 2^35 OA: D EDIT: please...
7
Last post by Alara533
Sun Feb 08, 2009 1:17 am
value of x
by cartera »
What is the value of xyz? 1. 5x+6y+2z=5 2. x-3y+z=7
1
Last post by Alara533
Sun Feb 08, 2009 1:13 am
absolute value
by cartera »
Is X<Y? 1. IXI<IYI 2. Y<0
1
Last post by Alara533
Sun Feb 08, 2009 1:08 am
x>1?
by mariah »
131. x > 1? (1) (x+1)( |x|-1) > 0 (2) |x| > 5 oa a
1
Last post by hypik21
Sat Feb 07, 2009 6:18 pm
standart deviation
by mariah »
94. Is the standard deviation of a certain set greater than 15,000?...
9
Last post by Stuart@KaplanGMAT
Sat Feb 07, 2009 6:06 pm
xy plane
by mariah »
26.In the xy-plane, the graph represented by y=x^2+px+r have how many...
5
Last post by mariah
Sat Feb 07, 2009 3:38 pm
votes
by nehakhas1 »
Q33: Favorable Unfavorable Not Sure Candidate M 40 20 40 Candidate N...
0
Last post by nehakhas1
Sat Feb 07, 2009 6:43 am
Surplus Funds
by sanju09 »
A school district deposited surplus funds totaling $90,000 into two...
2
Last post by sanju09
Sat Feb 07, 2009 3:29 am
Exponent problem
by relaxin99 »
0 < x < y; what is the value of (x+y)^2/(x-y)^2 1) x^2 + y^2 =...
5
Last post by NicoFalcon
Sat Feb 07, 2009 2:55 am
Acme Computer
by logitech »
In 2003 Acme Computer priced its computers five times higher than its...
4
Last post by 4meonly
Sat Feb 07, 2009 1:59 am
Divisibility
by relaxin99 »
Is the interger K divisible by 4? 1) 8k is divisible by 16 2) 9k is...
3
Last post by cramya
Sat Feb 07, 2009 1:18 am
Tens digits
by relaxin99 »
What is the tens digit of the positive integer r? 1) The tens digit...
2
Last post by relaxin99
Fri Feb 06, 2009 4:49 pm
Ratio Problem
by relaxin99 »
If m, r, x & y are positive, is the ratio of m to r equal to the...
2
Last post by relaxin99
Fri Feb 06, 2009 4:48 pm
inequality 5
by willbeatthegmat »
If |X| + |y|= -x-y & xy does not equal 0, which of the following...
4
Last post by sureshbala
Fri Feb 06, 2009 3:45 pm
irritating quest..types...
by willbeatthegmat »
Reserve tank 1 is capable of holding z gallons of water.Water is...
1
Last post by sureshbala
Fri Feb 06, 2009 3:08 pm
Average Speed
by kayser »
On a recent trip, Mary drove 50 miles. What was the average speed at...
4
Last post by Stuart@KaplanGMAT
Fri Feb 06, 2009 11:38 am
Inequality 9
by willbeatthegmat »
Is underroot of X a prime num? 1)|3x-7| =2x+2 2)x^2= 9x OA c y is it...
9
Last post by willbeatthegmat
Fri Feb 06, 2009 10:29 am
Gmat prep DS please help!!
by cochrane »
Hi, I don't get why my answer is wrong, please help OA A
2
Last post by dnkcdnguy
Thu Feb 05, 2009 4:50 pm
SETS
by Zizou4 »
I dont understand y its E. Is it because it is not clearly stated...
6
Last post by gaggleofgirls
Thu Feb 05, 2009 12:01 pm
explanation plzz..
by raptor84 »
Guests at a recent party ate a total of fifteen hamburgers. Each...
1
Last post by DanaJ
Thu Feb 05, 2009 12:56 am
Gmat Prep - integer
by dubeystuts »
If n is an integer, is -3x^n positive? 1) x is negative 2) n is odd...
5
Last post by dubeystuts
Wed Feb 04, 2009 12:37 pm
Inequality 2
by willbeatthegmat »
If x is an integer, is 3x less than 500? 1) 4^(x-1) < 4^x - 120 2)...
6
Last post by cjb
Wed Feb 04, 2009 12:17 pm
xy ds prob
by tj123 »
Are x and y both positive? 1) 2x-2y = 1 2) (x/y) > 1 I chose E....
8
Last post by Alara533
Wed Feb 04, 2009 8:53 am
XY plane
by beater »
In the x-y plane, does the point (4,12) lie on line k? 1. The point...
3
Last post by gaggleofgirls
Wed Feb 04, 2009 5:16 am
Good one
by yalanand »
If a, b, and c are postitive numbers, is (a^2)(b + c) > (c^2)(b +...
5
Last post by vikram_k51
Wed Feb 04, 2009 2:47 am
inequality 1
by willbeatthegmat »
If 6xy= x^2 y + 9y, what is the value of xy? 1) y-x =3 2) x^3<0 OA...
5
Last post by Alara533
Tue Feb 03, 2009 8:02 pm
Integers
by umaa »
Set T is an infinite sequence of positive integers. A superset is a...
2
Last post by peddisetty
Tue Feb 03, 2009 6:27 pm
Inequality 6
by willbeatthegmat »
Q- what is x? 1) |x|<2 2)|x|=3x-2 OA b can someone tell me how to...
5
Last post by Stuart@KaplanGMAT
Tue Feb 03, 2009 2:46 pm
Bea's CDs
by Brent@GMATPrepNow »
Bea owns how many more CDs than Al owns? (1) If Bea gives 9 of her...
4
Last post by vikram_k51
Tue Feb 03, 2009 7:37 am
Inequality 8
by willbeatthegmat »
If a & b are integers, & |a| > |b|, is a|b|< a-b?...
1
Last post by Ian Stewart
Tue Feb 03, 2009 6:56 am
Inequality 7
by willbeatthegmat »
If x is not equal to 0, is |X|>1? 1)x/|x| <x 2)|x| > x OA c
2
Last post by sanju09
Tue Feb 03, 2009 5:28 am
OG Quantitative (Green) #86
by mdavis »
Could someone explain the answer to this question? Can the positive...
4
Last post by sacx
Tue Feb 03, 2009 4:03 am
GMAT PREP tricky
by awilhelm »
Is sqrt((x-3)^2) = 3 - x 1) x is not equal to 3 2) -x(abs val of x)...
3
Last post by Alara533
Tue Feb 03, 2009 12:00 am
The hundredths digit
by sanju09 »
If 2 < n < 3, is the hundredths digit of the decimal fraction...
5
Last post by DanaJ
Mon Feb 02, 2009 11:35 pm
If both 5 squared and 3 cubed...
by houstonrockets16 »
If both 5^2 and 3^3 are factors of n x 2^5 x 6^2 x 7^3 , what is the...
4
Last post by peddisetty
Mon Feb 02, 2009 6:28 pm
Good hard practice data suffiency question I don't get
by houstonrockets16 »
If a does not equal b, what is the value of a+b? 1) (a^2-b^2) / (a-b)...
1
Last post by deep2002
Mon Feb 02, 2009 6:21 pm
OG Quantitative (Green) #82
by mdavis »
Hey everyone, I was wondering if I solved this correctly, and if not,...
1
Last post by peddisetty
Mon Feb 02, 2009 5:14 pm
what's the easiest way to solve this ?
by sumitkhurana »
Is x > y? (1) _/ x > y (2) x3 > y
3
Last post by nattatob
Mon Feb 02, 2009 12:02 pm
Exponents with exponents
by Brent@GMATPrepNow »
If x and y are positive integers and x+y>3, then what is the units...
3
Last post by vikram_k51
Mon Feb 02, 2009 7:53 am
Is x a prime number?
by sanju09 »
Is x a prime number? 1. x is an even number. 2. x can not be divided...
5
Last post by vikram_k51
Mon Feb 02, 2009 7:45 am
The longest side?
by sanju09 »
If the degree measure of one of the interior angles of a triangle is...
1
Last post by vikram_k51
Mon Feb 02, 2009 7:05 am
Is m/2 an even integer?
by sanju09 »
If m is an integer, is m/2 an even integer? (1) m/4 is an integer....
2
Last post by vikram_k51
Mon Feb 02, 2009 6:49 am
x to y?
by sanju09 »
If x and y are positive integers, what is the ratio of x to y? (1) x...
2
Last post by vikram_k51
Mon Feb 02, 2009 6:46 am
A piece of wire
by sanju09 »
If a piece of wire is cut into three pieces of unequal lengths, what...
1
Last post by mals24
Mon Feb 02, 2009 6:06 am
x and y are nonzero numbers
by sanju09 »
If both x and y are nonzero numbers, what is the value of x / y ? (1)...
1
Last post by mals24
Mon Feb 02, 2009 6:02 am