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Data Sufficiency

Topics Posts Last Post

A Word Problem

by:
At least 100 students at a certain high school study Japanese. If 4...

6 Thu Feb 12, 2009 11:10 am

by: BuckeyeT View latest post

A Word Problem II

by:
Can anyone help to explain the question attached? I do not really...

2 Thu Feb 12, 2009 7:54 am

by: billzhao View latest post

Speed and distance

by:
9. What was John's average driving speed in miles per hour during a...

4 Thu Feb 12, 2009 7:49 am

by: DanaJ View latest post

integers

by:
If x and y are nonzero integers, is an integer? (1) x is the product...

1 Thu Feb 12, 2009 7:39 am

by: DanaJ View latest post

word problem

by:
At a certain university, if 50 percent of the people who inquire...

1 Thu Feb 12, 2009 7:34 am

by: DanaJ View latest post

time and distance

by:
On a certain day it took Bill three times as long to drive from home...

1 Thu Feb 12, 2009 7:28 am

by: DanaJ View latest post

Averages?!

by:
What was Adrian's average percentage in the last 2 tests? 1. His...

4 Thu Feb 12, 2009 6:58 am

by: naaga View latest post

three space question? OG (11ed) question incorrect.

by:
Source: OG (11ed) p25 #36 (Diagnostic) If X and Y are points in a...

6 EXPERT REPLIES Wed Feb 11, 2009 4:53 pm

by: Ian Stewart View latest post

Gmat Prep

by:
What is the number of members of club X who are at least 35 yrs of...

3 Wed Feb 11, 2009 4:07 pm

by: sjd00d View latest post

Is x + y > z?

by:
In a triangle with angles of degree measures x, y, and z, which are...

7 EXPERT REPLIES Wed Feb 11, 2009 7:45 am

by: x2suresh View latest post

Gloria Drives

by:
What was approximately the total distance in miles Gloria had to...

4 EXPERT REPLIES Wed Feb 11, 2009 6:49 am

by: x2suresh View latest post

Average?

by:
1. Class A and B took a same test. For class A, median score is 80,...

2 Wed Feb 11, 2009 6:41 am

by: x2suresh View latest post

equality

by:
If r + s > 2t, is r > t ? (1) t > s (2) r > s

3 Wed Feb 11, 2009 2:37 am

by: sureshbala View latest post

weird DS Gmatprep

by:
I don't get why stmt 2 answers the question .....please help OA D

3 Wed Feb 11, 2009 1:51 am

by: cjb View latest post

Exponents

by:
Please explain

8 Tue Feb 10, 2009 9:30 pm

by: DanaJ View latest post

Gmatprep

by:
I can't seem to figure out how to statement 2 is sufficient, I don't...

1 Tue Feb 10, 2009 1:02 pm

by: DanaJ View latest post

Inequalities

by:
is x < 1 ? 1) x^-1/3 < 1 2) x^-2 < 1 OA after some posts....

4 EXPERT REPLIES Tue Feb 10, 2009 10:33 am

by: sanjay_dce View latest post

Is x greater than x squared?

by:
Is x greater than x squared? (1) x < 1 (2) x is positive

1 Tue Feb 10, 2009 7:35 am

by: yalanand View latest post

DS1000 S2 Q16,22,23 - need explaination

by:
16. What fractional part of the total surface area of cube C is red?...

2 Tue Feb 10, 2009 4:50 am

by: joyseychow View latest post

interior angle

by:
sos!

7 EXPERT REPLIES Tue Feb 10, 2009 1:15 am

by: Stuart Kovinsky View latest post

integers

by:
a, b, and c are integers and 3a + 2b + c is an odd number. Is a + b +...

9 Tue Feb 10, 2009 12:02 am

by: x2suresh View latest post

slopes

by:
Lines n and P on xy plane. Is slope of n less than that of p?...

2 Mon Feb 09, 2009 11:32 pm

by: x2suresh View latest post

r + s + t even?

by:
If r, s, and t are positive integers, is r + s + t even? (1) r + s is...

4 Mon Feb 09, 2009 8:58 pm

by: Bidisha800 View latest post

GMATPREP nbr properties

by:
If d is a positive integer and f is the product of the first 30...

7 Mon Feb 09, 2009 5:36 pm

by: cramya View latest post

tough geom ds

by:
attached

4 Mon Feb 09, 2009 5:09 pm

by: penumbra547 View latest post

Nash and Tucker

by:
Two automobile manufacturers, Nash and Tucker, declared profits on...

2 Mon Feb 09, 2009 4:41 pm

by: mrsmarthi View latest post

Circular metal grills

by:
HiI saw this question in gmatprep and did wrong : I dont have all the...

1 Mon Feb 09, 2009 10:52 am

by: BuckeyeT View latest post

Number properties

by:
If x & y are positive integers such that x = 8y + 12, what is the...

2 Mon Feb 09, 2009 8:55 am

by: maihuna View latest post

factory-installed memory

by:
Purchasers of a certain electronic device are given the option of...

3 EXPERT REPLIES Mon Feb 09, 2009 4:41 am

by: DanaJ View latest post

How can the OA be B?

by:
Did Incumbent I get over 50% of the vote? (1) Challenger C got 49% of...

1 Mon Feb 09, 2009 3:35 am

by: mals24 View latest post

The MBA program

by:
If 50 percent of those who request information about a certain MBA...

4 EXPERT REPLIES Mon Feb 09, 2009 2:38 am

by: sanju09 View latest post

factorization

by:
If n and k are positive integers, is n divisible by 6? (1) n = k(k +...

6 EXPERT REPLIES Mon Feb 09, 2009 1:02 am

by: Bidisha800 View latest post

arithmetic operations - exponents help!

by:
This is out of the OG11 DS#129 If n is a positive integer, is the...

2 Sun Feb 08, 2009 10:34 pm

by: siownschu View latest post

Triangle

by:
Please explain

7 EXPERT REPLIES Sun Feb 08, 2009 10:21 pm

by: mrsmarthi View latest post

Sets

by:
In a group of 30 students, 18 are enrolled in an English class and 16...

2 Sun Feb 08, 2009 9:17 pm

by: mrsmarthi View latest post

the integers a and n

by:
the integers a and n are greater than 1 and the product of the first...

2 Sun Feb 08, 2009 7:52 pm

by: cramya View latest post

Inequality 4

by:
Is XY >0? 1) x-y> -2 2) x-2y< -6 OA c

4 Sun Feb 08, 2009 9:10 am

by: cramya View latest post

factoring

by:
So I'm suppose so solve for the equation. I see that I can factor a 5...

1 Sun Feb 08, 2009 6:52 am

by: cramya View latest post

Is x>10^10

by:
Is x > 10^10 ? (1) x > 2^34 (2) x = 2^35 OA: D EDIT: please...

7 Sun Feb 08, 2009 1:17 am

by: Alara533 View latest post

value of x

by:
What is the value of xyz? 1. 5x+6y+2z=5 2. x-3y+z=7

1 Sun Feb 08, 2009 1:13 am

by: Alara533 View latest post

absolute value

by:
Is X<Y? 1. IXI<IYI 2. Y<0

1 Sun Feb 08, 2009 1:08 am

by: Alara533 View latest post

x>1?

by:
131. x > 1? (1) (x+1)( |x|-1) > 0 (2) |x| > 5 oa a

1 Sat Feb 07, 2009 6:18 pm

by: hypik21 View latest post

standart deviation

by:
94. Is the standard deviation of a certain set greater than 15,000?...

9 EXPERT REPLIES Sat Feb 07, 2009 6:06 pm

by: Stuart Kovinsky View latest post

xy plane

by:
26.In the xy-plane, the graph represented by y=x^2+px+r have how many...

5 Sat Feb 07, 2009 3:38 pm

by: mariah View latest post

votes

by:
Q33: Favorable Unfavorable Not Sure Candidate M 40 20 40 Candidate N...

0 Sat Feb 07, 2009 6:43 am

by: nehakhas1 View latest post

Surplus Funds

by:
A school district deposited surplus funds totaling $90,000 into two...

2 EXPERT REPLIES Sat Feb 07, 2009 3:29 am

by: sanju09 View latest post

Exponent problem

by:
0 < x < y; what is the value of (x+y)^2/(x-y)^2 1) x^2 + y^2 =...

5 Sat Feb 07, 2009 2:55 am

by: NicoFalcon View latest post

Acme Computer

by:
In 2003 Acme Computer priced its computers five times higher than its...

4 Sat Feb 07, 2009 1:59 am

by: 4meonly View latest post

Divisibility

by:
Is the interger K divisible by 4? 1) 8k is divisible by 16 2) 9k is...

3 Sat Feb 07, 2009 1:18 am

by: cramya View latest post

Tens digits

by:
What is the tens digit of the positive integer r? 1) The tens digit...

2 Fri Feb 06, 2009 4:49 pm

by: relaxin99 View latest post

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