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Data Sufficiency

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Last post
defective ATM machine
by sanju09 »
A defective ATM machine contains only 100-dollar notes and dispenses...
4
Last post by fmillar
Tue Aug 10, 2010 8:33 am
Coordinate system
by anhe123 »
In a rectangular coordinate system, does point (0,0) lie on line m?...
2
Last post by nicolezl
Tue Aug 10, 2010 7:25 am
greater in value
by sanju09 »
If W, X, Y, and Z are all positive numbers, is the value of W - X...
2
Last post by sanju09
Tue Aug 10, 2010 4:21 am
divisibility
by mepinoargote »
Hi, i always have trouble trying to solve problems like this: If n is...
1
Last post by HPengineer
Mon Aug 09, 2010 4:43 pm
OG 12th ed DS #66
by HPengineer »
If N and T are positive integers, is N a factor of T? S1: N = 3^(N-2)...
5
EXPERT REPLIES
Last post by dinesh19aug
Mon Aug 09, 2010 2:13 pm
GMAT Prep type question
by alivapriyada »
If m and n are integers greater than 1,is m a multiple of n? (1)...
3
Last post by alivapriyada
Mon Aug 09, 2010 10:48 am
"a^4 - b^4 = ? (Not Hard)
by The Duke »
For some reason I have difficulty with this question as I'm not...
3
Last post by The Duke
Mon Aug 09, 2010 8:49 am
Mgmat cat qn: Intresting question
by dinesh19aug »
Q: If y=(3y + 4)^1/2 then the product of all possible solution(s) for...
40
EXPERT REPLIES
Last post by selango
Mon Aug 09, 2010 8:02 am
how to solve questions of shch type quikly?
by nicktimoshenko »
questions of sach type very easy for me if i have a calculator and...
2
Last post by HPengineer
Sun Aug 08, 2010 8:24 pm
Comparing Standard Deviations
by getneonow »
CLASS -> AVG AGE -> NO. OF STUDENTS A -> 15-> 6 B ->...
3
Last post by Stuart@KaplanGMAT
Sun Aug 08, 2010 11:31 am
Good one
by boros2203 »
If y > 0, what is the value of x? 1. |x - 3| > y 2. |x - 3|...
4
Last post by boros2203
Sun Aug 08, 2010 7:06 am
Knewton test 1 DS question #15
by sarwan »
Please help me for this DS question. If $\mathsf{p}$ is an integer...
6
Last post by selango
Sun Aug 08, 2010 5:44 am
Another Factor problem..
by selango »
Does the integer K have a factor p such that 1<p<k? 1.k>4!...
2
Last post by KrazyKarl
Sat Aug 07, 2010 6:34 pm
no comprendo OG 11 (2/3)
by baguette82 »
Hi I have problems with three questions. This is the second of three...
2
Last post by GMATGuruNY
Sat Aug 07, 2010 2:12 pm
no comprendo OG 11 (1/3)
by baguette82 »
Hi I have problems with three questions. This is the first of three...
2
Last post by baguette82
Sat Aug 07, 2010 2:03 pm
Fractions odd or even - Kaplan
by venmic »
is X odd a) 2x-1 is odd b) X^3 is odd .. fractions are not odd or...
9
Last post by kvcpk
Sat Aug 07, 2010 12:16 pm
no comprendo OG Quant Review 1st edition (3/3)
by baguette82 »
Hi I have problems with three questions. This is the third of three...
2
Last post by baguette82
Sat Aug 07, 2010 11:20 am
Standard deviation and mean
by StarDust845 »
How do we know that the top 2% of the scores lie more than 2 standard...
17
EXPERT REPLIES
Last post by tarn151
Sat Aug 07, 2010 11:12 am
OG 10 Data sufficiency Question 24
by manishankar »
If R and S are positive integers. R is what percent of S (1) R=3/4 S...
4
EXPERT REPLIES
Last post by lunarpower
Sat Aug 07, 2010 3:42 am
Range of squares - SET
by gmatrant »
Set S consists of n positive integers. What is the range of squares...
3
Last post by sanju09
Fri Aug 06, 2010 11:17 pm
Question 122 DS OG12
by rajendraputta »
Hello all, This question in OG 12 is pretty ambigous. 122. What is...
2
Last post by Stuart@KaplanGMAT
Fri Aug 06, 2010 3:49 pm
OG-11 DS#150
by haidgmat »
Can someone please explain this to me? Henry purchased 3 items during...
3
EXPERT REPLIES
Last post by clock60
Fri Aug 06, 2010 1:37 pm
DS - Nan car park
by harsh.champ »
Yesterday Nan parked her car at a certain parking garage that charges...
7
Last post by Fiver
Fri Aug 06, 2010 10:22 am
Vacation Days (DS)
by The Duke »
Last year, the five employees of Company X took an average of 16...
1
Last post by The Duke
Fri Aug 06, 2010 8:32 am
DS question - doubt - percents
by praveen_gmat »
At least 100 students at a certain high school study Japanese. If 4...
6
EXPERT REPLIES
Last post by selango
Fri Aug 06, 2010 4:20 am
Co-ordinate Geomatry
by akpareek »
in the xy plane, line L passes through point (1,p). Does L have a...
10
EXPERT REPLIES
Last post by lunarpower
Fri Aug 06, 2010 4:01 am
is y greater than y^2? tricky concept Q for instructors
by san2009 »
I am having trouble rephrasring this question ALGEBRAICALLY and...
7
EXPERT REPLIES
Last post by mahen_gupta
Thu Aug 05, 2010 3:45 pm
A jar contains
by ektamatta »
5. A jar contains 30 marbles, of which 20 are red and 10 are blue. If...
4
Last post by missrochelle
Thu Aug 05, 2010 2:29 pm
123 - 131 Arithmetics
by phoenix9801 »
Hi, can someone please help to explain by step-by-step instructions...
9
EXPERT REPLIES
Last post by Ian Stewart
Thu Aug 05, 2010 12:33 pm
fuel tank of my motorcycle
by sanju09 »
What is the capacity of the fuel tank of my motorcycle? 1. When I...
2
Last post by reply2spg
Thu Aug 05, 2010 11:43 am
the clock lose in 504
by sanju09 »
How many minutes will the clock lose in 504 hours? 1. The clock loses...
4
Last post by reply2spg
Thu Aug 05, 2010 11:42 am
the Quidditch team
by sanju09 »
What is the average age of the members of the Quidditch team? 1. The...
2
Last post by reply2spg
Thu Aug 05, 2010 11:39 am
Kenny shorter than Garry
by sanju09 »
Is Kenny shorter than Garry? 1. Garry is much taller than Vinny. 2....
2
Last post by reply2spg
Thu Aug 05, 2010 11:38 am
on the MTE test
by sanju09 »
Is 2010 the average (arithmetic mean) score on the MTE test? 1. The...
2
EXPERT REPLIES
Last post by reply2spg
Thu Aug 05, 2010 11:38 am
DS question
by Beat-D-GMAT »
Hello. Can some one please explain how to solve this question. Store...
8
Last post by reply2spg
Thu Aug 05, 2010 11:36 am
G is a sequence
by sanju09 »
G is a sequence such that each term is 3 more than the preceding...
5
Last post by reply2spg
Thu Aug 05, 2010 11:28 am
Weighted averages
by gmatrant »
A group of men and women gathered to compete in a marathon. Before...
3
Last post by pradeepkaushal9518
Thu Aug 05, 2010 5:52 am
Co-ordinate Geomatry
by akpareek »
What is the slope of line L1 ? 1. L1 is parallel to x=3y 2. L1 passes...
4
Last post by selango
Wed Aug 04, 2010 7:41 pm
Co-ordinate Geomatry
by akpareek »
Is line L1 perpendicular to L2 ? 1. L1 passes through (1,2) and L2...
3
Last post by tomada
Wed Aug 04, 2010 5:22 pm
Co-ordinate Geomatry
by akpareek »
In the xy plane, are the points (r,s) and (u,v) equidistance from the...
2
Last post by clock60
Wed Aug 04, 2010 12:01 pm
Help: DS Question on Interests
by praveen_gmat »
If $1,000 is deposited in a certain bank account and remains in the...
4
EXPERT REPLIES
Last post by Rahul@gurome
Wed Aug 04, 2010 7:08 am
tricky DS question on num properties 700+ . Wat am i doing?
by san2009 »
I am running into problem with statement 1 + statement 2 scenario:...
1
Last post by selango
Wed Aug 04, 2010 1:04 am
Inequalities and Modulus
by er_priyankajolly »
Is x > y? (1) x^2 > y (2) x - |y| > 0 Can you please...
2
Last post by dinesh19aug
Tue Aug 03, 2010 10:41 pm
DS Question on lcm and GCF
by dinesh19aug »
What is the lcm of a and b? 1) GCF = 15 2) a=30 and a>b I...
3
Last post by selango
Tue Aug 03, 2010 10:37 pm
Is |x| = Y-Z
by monusangeeta »
Dear Experts, Please help me with this question. IS |X| = Y-Z? 1. X+Y...
3
EXPERT REPLIES
Last post by dinesh19aug
Tue Aug 03, 2010 10:08 pm
Consecutive Integer!
by thaipq5290 »
If D is a positive integer and F is the product of the first 30...
1
Last post by selango
Tue Aug 03, 2010 10:13 am
Digits
by lukeposada »
Need some help with this one: Is the hundredths digit of the decimal...
5
EXPERT REPLIES
Last post by HPengineer
Tue Aug 03, 2010 6:12 am
3 GMAT Practice test question
by amandeep.hora »
Problem 1 Problem 2 Problem 3 Appreciate the help ! thanks Regards...
3
EXPERT REPLIES
Last post by Rahul@gurome
Tue Aug 03, 2010 5:38 am
DS-Prob 1
by er.twi.fb »
Is m+z>0? 1>m>3z 2>m<4z OA-C My Solution is as...
8
EXPERT REPLIES
Last post by lunarpower
Tue Aug 03, 2010 4:36 am
Sequence (GPREP)
by aj5105 »
Given a sequence a1, a2, a3……. a15 In the sequence shown, an =...
11
EXPERT REPLIES
Last post by lunarpower
Tue Aug 03, 2010 3:23 am