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Data Sufficiency

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Statistics - Range
by linfongyu »
If the range of the set containing the numbers x, y, and z is 8, what...
9
Last post by Gmat09_5ALL
Mon Dec 07, 2009 9:10 am
Princeton Review Test question
by gmatblrind »
Company Y employs c women and d men. Do the women at Company Y earn...
2
Last post by papgust
Mon Dec 07, 2009 7:54 am
A certain play performance....
by romeroil »
For a certain play peformance, adults' tickets were sold for $12 each...
2
Last post by romeroil
Mon Dec 07, 2009 4:40 am
Power Prep Question - Help.
by romeroil »
Hello, Can someone assist me on this power prep DS question: Each of...
2
Last post by Testluv
Mon Dec 07, 2009 1:53 am
Test code 52, section 4, question 10
by irfan_m1973 »
If a < x < b and c < y < d, is x < y? (1) a < c (2)...
1
Last post by Testluv
Sun Dec 06, 2009 11:40 pm
Test Code 52, section4, Question 8
by irfan_m1973 »
Dan took a 20-question multiple-choice test in psychology. If Dan...
2
Last post by irfan_m1973
Sun Dec 06, 2009 10:20 pm
Four dollar amounts, w, x, y, and z
by linfongyu »
Four dollar amounts, w, x, y, and z, were invested in a business....
2
Last post by Gmatter2.0
Sun Dec 06, 2009 9:13 pm
DS: Kaplan CAT Question
by jaroth04 »
Just finished a Kaplan prep test, that contained the following...
4
Last post by Stuart@KaplanGMAT
Sun Dec 06, 2009 7:33 pm
positive integer
by adam15 »
I guess, some already posted the solution for this DS, but I could...
0
Last post by adam15
Sun Dec 06, 2009 1:56 pm
Word Problem
by heshamelaziry »
At a business association conference, the registration fee for...
3
Last post by Stuart@KaplanGMAT
Sat Dec 05, 2009 4:03 pm
b<0?
by mariah »
If a<b, is b in the left of 0 in number line? 1). ab>0 2)....
3
Last post by Stuart@KaplanGMAT
Sat Dec 05, 2009 10:40 am
work hrs..
by brick2009 »
Jessica had a meeting on a certain day of the week. Was it on a...
3
Last post by brick2009
Sat Dec 05, 2009 9:27 am
Is pq = 1?
by Abdulla »
Is pq = 1? (1) pqp = p (2) qpq = q OA is E
6
Last post by Testluv
Fri Dec 04, 2009 3:40 pm
numbes between
by brick2009 »
How many integers are there between, but not including, integers a...
1
Last post by heshamelaziry
Fri Dec 04, 2009 3:22 pm
DS Strategy?
by cararosegoff »
I'm sure this has been a topic before, so sorry if I'm repeating......
0
Last post by cararosegoff
Fri Dec 04, 2009 8:22 am
solve this
by brick2009 »
If ab = -9, what is the value of ab(a + b) ? (1) a - b = √100...
2
Last post by viju9162
Fri Dec 04, 2009 1:43 am
The value of a+b: from Princetonreview
by torofish »
The answer is B My answer is E. I get that A is not the answer. But...
6
Last post by torofish
Thu Dec 03, 2009 11:16 pm
prime number
by umaa »
If x is a positive integer, is x! + (x + 1) a prime number? (1) x...
1
Last post by papgust
Thu Dec 03, 2009 11:15 pm
number of element of the set
by adam15 »
The sum of n consecutive positive integers is 45. What is the value...
3
Last post by mehravikas
Thu Dec 03, 2009 6:52 pm
solution plz
by brick2009 »
I could not understand this problem...help plz If x is an integer,...
5
Last post by mehravikas
Thu Dec 03, 2009 4:43 pm
Is d negative?
by okigbo »
Is d negative? 1. e+d=-12 2. e-d<12 Can someone please show me how...
11
Last post by Stuart@KaplanGMAT
Thu Dec 03, 2009 1:33 pm
Weighted Average
by Abdulla »
OA is C
7
Last post by adamsmith2009
Thu Dec 03, 2009 5:16 am
cant understand OG 12 - DS Q 121
by dotnetuncle »
121. In the xy-plane, region R consists of all the points (x,y) such...
8
EXPERT REPLIES
Last post by lunarpower
Thu Dec 03, 2009 1:54 am
Sets Elements
by heshamelaziry »
Q. 50% of elements in A are also there in B. Does A have more...
3
Last post by heshamelaziry
Wed Dec 02, 2009 11:59 pm
Average and median
by heshamelaziry »
Matt and four of his friends sold 60 tickets to a bowl game. If Matt...
4
Last post by Stuart@KaplanGMAT
Wed Dec 02, 2009 11:46 pm
Quadratic Equations
by Pedros »
what is X? 1) 6x= √(3x) 2) x>o OA C why A is not suffiecint?...
8
Last post by mehravikas
Wed Dec 02, 2009 1:10 pm
DS on inequalities
by r_walid »
IF material A cost 3$/kg and B cost 5$/kg. If 10 kg of material K...
9
Last post by ssuarezo
Wed Dec 02, 2009 8:35 am
GMAT Prep Number Line DS
by vivekjaiswal »
Guys, Not sure if this has been discussed in some other thread (if...
5
Last post by heshamelaziry
Tue Dec 01, 2009 10:37 pm
x, y
by beatthegmat2910 »
If y is an integer and y =|x| + x, is y = 0? (1) x < 0 (2) y < 1
4
Last post by mehravikas
Tue Dec 01, 2009 8:05 pm
Average
by beatthegmat2910 »
Division R of Company Q has 1,000 employees. What is the average...
1
Last post by mehravikas
Tue Dec 01, 2009 7:57 pm
DS problem involving overlapping sets
by Osirus@VeritasPrep »
In a certain city, the ratio of the number of people who purchase...
2
Last post by Osirus@VeritasPrep
Tue Dec 01, 2009 1:07 pm
p/n is odd?
by beatthegmat2910 »
p is an integer; n is an integer; and p/n is an integer. Is p/n odd?...
1
Last post by mp2437
Tue Dec 01, 2009 12:53 pm
Music club and drama club
by vivekjaiswal »
If the drama club and the music club are combined, what percent of...
2
Last post by vivekjaiswal
Tue Dec 01, 2009 7:07 am
OG 12 DS 123 Help
by Niner710 »
Joanna bought only $0.15 stamps and $0.29 stamps. How many $0.15...
1
Last post by wanttobeat
Tue Dec 01, 2009 1:27 am
x>y?
by mariah »
x>y? 1) x^2>y^3 2) x^3>y^4
7
EXPERT REPLIES
Last post by wanttobeat
Tue Dec 01, 2009 12:32 am
Another Integer
by heshamelaziry »
Both X and Y are integers. In all cases where x is even, y is also...
3
Last post by papgust
Mon Nov 30, 2009 9:08 pm
probability
by GMATCRUSHER »
Each of 25 balls in a certain boxis either red blue or white and has...
3
Last post by sunnyjohn
Mon Nov 30, 2009 6:55 pm
X values
by Abdulla »
OA is A
4
Last post by mehravikas
Mon Nov 30, 2009 4:50 pm
Reminder Question from Manhattan CAT
by Niner710 »
Hi, I was wondering if someone could help explain this question? If a...
6
Last post by Niner710
Mon Nov 30, 2009 8:08 am
Age
by heshamelaziry »
Today Bill is 13 times as old as Pete. In 9 yeasr Bill will be 4...
2
Last post by Stuart@KaplanGMAT
Mon Nov 30, 2009 12:10 am
Integer
by heshamelaziry »
Is q an integer ? A- q + 6 is an integer B- 2q is even OA is D. Why B...
2
Last post by Stuart@KaplanGMAT
Mon Nov 30, 2009 12:06 am
Area Sector
by heshamelaziry »
The area of a certain circle is 8 times the area of a sector of the...
5
Last post by Stuart@KaplanGMAT
Sun Nov 29, 2009 2:56 pm
x>y?
by mariah »
Is x > y? 1) x^2 > y^2 2) y - y^2 > 0 oa E i agree with oa...
2
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sun Nov 29, 2009 9:55 am
Integer
by deepoe »
If p is an integer, is ( p/ 18 ) an integer? 1. ( 5p / 18 ) is an...
1
Last post by thephoenix
Sun Nov 29, 2009 7:27 am
GMAT Word Problem and Inequality
by abhi75 »
A school administrator will assign each student in a group of n...
5
Last post by berserk
Sat Nov 28, 2009 8:17 pm
A question i just dont understand from the OG
by hongwang9703 »
for all z, denotes the least integer greater than or equal to z. is =...
1
Last post by papgust
Sat Nov 28, 2009 8:13 pm
integers
by GMATCRUSHER »
S is a finite set of numbers. does S contain more negative numbers...
1
Last post by papgust
Fri Nov 27, 2009 7:24 pm
time work
by thephoenix »
A,B and C are deployed for a task, who is most efficient. 1) A and B...
1
Last post by Stuart@KaplanGMAT
Fri Nov 27, 2009 2:01 pm
FDP
by Abdulla »
OA is C
1
Last post by thephoenix
Fri Nov 27, 2009 7:20 am
GCF and LCM
by Abdulla »
OA is A
1
Last post by Testluv
Thu Nov 26, 2009 9:33 pm