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Data Sufficiency

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gmatclub last digit of integer x^2 - y^2 a zero
by arora007 »
Is the last digit of integer x^2 - y^2 a zero? 1. x - y is an integer...
1
Last post by albatross86
Tue Jul 06, 2010 8:45 am
tens digit of (Z - 91) is 3
by arora007 »
If Z is a three-digit positive integer, what is the value of the tens...
1
Last post by albatross86
Tue Jul 06, 2010 8:37 am
4^N concept
by arora007 »
If N is a positive integer, what is the last digit of 4^N ? 1. N^2 is...
2
Last post by arora007
Tue Jul 06, 2010 7:00 am
PRINCESTONE-HOUSING PROJECT
by pradeepkaushal9518 »
If the total cost of a housing project with f units is $1,750,000,...
6
Last post by GMATGuruNY
Tue Jul 06, 2010 6:59 am
Inequality problem
by selango »
What is the value of y? (1) 3|x^2 - 4| = y - 2 (2) |3...
1
Last post by kvcpk
Tue Jul 06, 2010 5:39 am
Gmatclub DS, liked the terse explanation
by arora007 »
If a > 0 and b > 0 , is a/b an even integer? 1. ab is an even...
1
Last post by kvcpk
Tue Jul 06, 2010 5:20 am
remainder of (10^m + n)/3
by arora007 »
If m and n are positive integers, is the remainder of (10^m + n)/3...
5
Last post by kvcpk
Tue Jul 06, 2010 5:02 am
If N is a positive integer, is 9 a factor of N
by arora007 »
If N is a positive integer, is 9 a factor of N ? 1. 18 is a factor of...
2
Last post by sanju09
Tue Jul 06, 2010 4:52 am
one important property
by arora007 »
If |x| < 4 , what is the value of x ? 1. x is an integer divisible...
2
Last post by sanju09
Tue Jul 06, 2010 4:39 am
Doubts about the sentences in data sufficiency questions
by rajendraputta »
Hello, I am new to the community. I have a doubt about the sentences...
4
Last post by rajendraputta
Tue Jul 06, 2010 1:28 am
IS 0 Even??????
by taneja.niks »
I want comments on the GMAT instructors please Is 0 even?????? As i...
4
Last post by Testluv
Mon Jul 05, 2010 9:02 pm
D.S
by raunakrajan »
Mrs. K's class has 10 students. If the average age of the...
2
Last post by GMATGuruNY
Mon Jul 05, 2010 11:29 am
MGMAT question
by blaster »
If x and y are positive integers and 3x + 5 < x + 11, is x a prime...
2
Last post by kvcpk
Mon Jul 05, 2010 10:55 am
Inequality problem
by selango »
Is x < z? (1) x = (1/2)y (2) y = 0.5z There is a classical trap in...
2
Last post by bubbliiiiiiii
Mon Jul 05, 2010 7:31 am
MGMAT number properties
by Dinen »
Hi all....here goes my first post on this forum. My query refers to...
8
Last post by Fiver
Mon Jul 05, 2010 6:44 am
Inequality problem
by selango »
If n is not equal to 0, is |n| < 4 ? (1) n2 > 16 (2) 1/|n| >...
1
Last post by kvcpk
Mon Jul 05, 2010 6:28 am
PR TEST-1 Math DS --Average Weight
by iikarthik »
The average weigt of 3 people is 148 pounds.If none of the three...
6
Last post by Fiver
Mon Jul 05, 2010 6:24 am
PRINCESTONE-N
by pradeepkaushal9518 »
Is n an integer? (1) 2n is an integer. (2) 3n is an integer....
8
Last post by Fiver
Mon Jul 05, 2010 6:21 am
Average concept
by selango »
Each employee on a certain task force is either a manager or a...
2
Last post by Rahul@gurome
Mon Jul 05, 2010 5:58 am
A , B , and C are digits and AB
by sumanr84 »
If A , B , and C are digits and AB is NOT= 0, what is the value of B...
8
Last post by san2009
Mon Jul 05, 2010 3:57 am
hard gmat clubtest
by arora007 »
If sets S and T are united into a single set, will the mean of this...
2
Last post by san2009
Mon Jul 05, 2010 2:41 am
Question from GMAT Prep
by bikash123 »
Is |x-Y| >|X|-|Y| ? I y<x II xy<0 OA later
5
Last post by san2009
Mon Jul 05, 2010 1:32 am
clubs problem
by pradeepkaushal9518 »
is the number of members of club X is greater than the numbers of...
6
Last post by san2009
Mon Jul 05, 2010 1:28 am
divisiblity
by ashish2104 »
If n is a positive integer is n^3-n divisible by 4? 1) n = 2k+1,...
2
Last post by papgust
Sun Jul 04, 2010 11:16 pm
PRINCESTONE-VOTERS
by pradeepkaushal9518 »
Did the majority of voters polled claim that they planned to vote for...
1
Last post by kvcpk
Sun Jul 04, 2010 7:06 am
PRINCESTONE-Y
by pradeepkaushal9518 »
What is the value of y? (1) When y is multiplied by 6, the result is...
1
Last post by kvcpk
Sun Jul 04, 2010 6:35 am
PRINCESTONE-GAME
by pradeepkaushal9518 »
Daniel wins 25 percent of the first eight card games that he plays....
1
Last post by jube
Sun Jul 04, 2010 6:08 am
PRINCESTONE-CB
by pradeepkaushal9518 »
Representation in a local community board is based on the...
1
Last post by jube
Sun Jul 04, 2010 6:04 am
PRINCESTONE-SUM OF Q AND R
by pradeepkaushal9518 »
If q > r, what is the sum of q and r ? (1) q is 50 more than r....
1
Last post by selango
Sun Jul 04, 2010 5:48 am
Combining Inequalities
by MBA_Ziggy »
2. Is a+2b<c+2d? 1) a<c 2) d>b Adding statement 1 and 2 a...
2
Last post by clock60
Sun Jul 04, 2010 2:04 am
Inequality prob
by selango »
Is mp greater than m? (1) m > p > 0 (2) p is less than 1 OA C
1
Last post by clock60
Sat Jul 03, 2010 10:56 am
Coordinate geomtry
by selango »
In the xy-plane, does the line in question y=3x+2 contain the point...
2
Last post by albatross86
Sat Jul 03, 2010 10:54 am
Workers at loading dock. Need a strategy! PS#138
by BlueDragon2010 »
At a loading dock, each worker on the night crew loaded 3/4 as many...
3
Last post by selango
Sat Jul 03, 2010 10:35 am
Standard deviation
by taneja.niks »
At Rocktown College, the 400 students taking Psychology 101 received...
11
Last post by kvcpk
Sat Jul 03, 2010 5:45 am
x < 0, is y
by sanju09 »
If x < 0, is y > 0? (1) x/y < 0. (2) y - x > 0.
5
Last post by sanju09
Sat Jul 03, 2010 4:17 am
the tens' digit
by sanju09 »
What is the tens' digit of positive integer x? (1) x divided by 100...
2
Last post by Patrick_GMATFix
Sat Jul 03, 2010 4:14 am
is m odd?
by sanju09 »
If m is an integer, is m odd? (1) m/2 is not an even integer. (2) m -...
1
Last post by albatross86
Sat Jul 03, 2010 1:02 am
X is even
by taneja.niks »
another one guys If x is an integer ,is x even? 1. x2-y2=0 2. x2+y2=18
2
Last post by Rahul@gurome
Fri Jul 02, 2010 10:49 pm
Yes-No data suffficiency
by taneja.niks »
This is one form the princeton material Are V and W integers? 1....
2
Last post by albatross86
Fri Jul 02, 2010 9:58 pm
Help with Data Sufficiency......
by taneja.niks »
hey guys need some help........ I am good at maths but Data...
1
Last post by kvcpk
Fri Jul 02, 2010 10:33 am
m+2=10^n
by outreach »
If m+2=10^n, where m and n are positive integers, n=? (1) The sum of...
1
Last post by albatross86
Fri Jul 02, 2010 10:26 am
Number problem.
by pardeep_10sharma »
At a fruit stand yesterday, the price of each apple was $0.10 more...
9
Last post by albatross86
Fri Jul 02, 2010 10:07 am
digit a of x
by sanju09 »
If x is a two digit number (so that x = b a, with b and a as digits),...
6
Last post by mj78ind
Fri Jul 02, 2010 7:20 am
Tutorial and Sample Problems on Factorization/Divisibility
by er.twi.fb »
Hi there, Can anyone provide me with a link for practicing problems...
3
Last post by albatross86
Fri Jul 02, 2010 4:08 am
og 12 gross income
by pradeepkaushal9518 »
guy's net income equals his gross income minus his deductions. by...
3
Last post by selango
Fri Jul 02, 2010 3:32 am
K an odd
by sanju09 »
Is the Integer K an odd integer? (1) K = 3 M where M is an integer....
1
Last post by albatross86
Fri Jul 02, 2010 2:02 am
10 and N = 4,321 + K
by sanju09 »
If K is a positive integer less than 10 and N = 4,321 + K, what is...
1
Last post by albatross86
Fri Jul 02, 2010 1:37 am
DS - Number Properties
by f2001290 »
k, m, and t are positive integers and k/6 + m/4 = 12t, do t and 12...
11
Last post by sanju09
Fri Jul 02, 2010 12:50 am
Q. re number propeties
by gmat1011 »
The MGMAT book provides a useful maths rule: - sum of an odd number...
5
Last post by selango
Thu Jul 01, 2010 9:32 pm
OG 11 - DS 118
by sk818020 »
If x is an integer, is y an integer? (1) The average (arithmetic...
4
Last post by sk818020
Thu Jul 01, 2010 7:57 pm