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Data Sufficiency (DS)

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View first unread post Math Revolution DS Expert - Ask Me Anything about GMAT DS  

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MathRevolution

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1541

18 Nov 2018, 23:54

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View first unread post examPAL DS Forum Expert David - Ask Me Anything about GMAT DS  

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DavidTutorexamPAL

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06 Oct 2018, 22:29

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View first unread post Attachment(s) 150 Hardest and easiest questions for DS  

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Bunuel

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30 May 2018, 21:47

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View first unread post DS Question Directory by Topic and Difficulty  

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bb

0

239045

07 Mar 2012, 07:58

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View first unread post What is the standard deviation of the terms in set N?  

Tags: Difficulty: 600-700 Level,  Statistics and Sets Problems,  Source: Economist GMAT Tutor

Bunuel

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2644

23 Sep 2016, 01:48

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View first unread post Attachment(s) Fiona picks 30 apples and puts them in her basket. The apples have eit  

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Bunuel

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862

21 Sep 2016, 21:11

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View first unread post What is the value of Pamela's Porsche?  

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Bunuel

3

729

21 Sep 2016, 20:18

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View first unread post In a certain Asian studies class, the number of students that have not  

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Bunuel

2

672

21 Sep 2016, 16:13

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View first unread post If a and b are integers, and m=a+b, is m divisible by 9?  

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Bunuel

3

885

21 Sep 2016, 06:33

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View first unread post At a certain hotel, every room has air conditioning or cable TV  

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GMATPrepNow

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863

21 Sep 2016, 02:04

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View first unread post If a^b=c, what is the units digit of c?  

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rait_m

4

2083

20 Sep 2016, 14:01

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View first unread post What is the perimeter of right triangle ABC? (1) AB = 5 (2)  

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dreambeliever

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3298

20 Sep 2016, 07:25

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View first unread post If |r| is not equal to 1, is integer r even?  

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enigma123

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2450

20 Sep 2016, 05:24

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View first unread post What is the area of triangle with sides a, b and hypotenuse c?  

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Harley1980

3

1291

20 Sep 2016, 05:00

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View first unread post x, y, a, and b are four positive integers. D is the greatest common  

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Bunuel

4

853

19 Sep 2016, 13:41

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View first unread post Is √x an integer?  

Tags: Difficulty: 700-Level,  Number Properties,  Source: Economist GMAT Tutor

Bunuel

6

826

19 Sep 2016, 10:05

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View first unread post Is ax = 6 - bx ?  

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avohden

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2134

19 Sep 2016, 08:51

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View first unread post Is x > k?  

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udaymathapati

5

6288

19 Sep 2016, 06:28

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2
View first unread post (x−2)(2+y)=? (1) x·y=6 (2) x+y=5  

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BlueRobin

10

3182

19 Sep 2016, 05:50

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View first unread post Attachment(s) Every employee in a certain hospital works on the Day shift or on the  

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Bunuel

2

1003

19 Sep 2016, 05:24

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View first unread post Does line y = mx + c intersect X axis?  

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GMATD11

11

6676

19 Sep 2016, 04:42

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View first unread post At a two-candidate election for mayor, 3/4 of the registered  

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DeeptiM

10

4197

18 Sep 2016, 23:15

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View first unread post If each of a, b and c is positive, and a = 5b + 7c, what is  

Tags: Difficulty: 700-Level,  Algebra

chiragatara

2

2859

18 Sep 2016, 19:31

View the latest post law258

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View first unread post Attachment(s) What is the perimeter of triangle ADC?  

Tags: Difficulty: 600-700 Level,  Geometry,  Source: Economist GMAT Tutor

Bunuel

1

874

18 Sep 2016, 10:57

View the latest post rohit8865

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View first unread post Attachment(s) If k = 13.abc6 where a, b and c each represent a digit, what is the  

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Bunuel

4

1854

18 Sep 2016, 10:41

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View first unread post Attachment(s) If -3/4*x+3y-1/2=3/2*y-1/4*x what is the value of x?  

Tags: Difficulty: Sub-600 Level,  Algebra,  Fractions/Ratios/Decimals,  Source: Kaplan

arvindg

3

3018

18 Sep 2016, 09:10

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14
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View first unread post What is the value of x^3 - y^3 ?  

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vivaslluis

9

2891

18 Sep 2016, 09:07

View the latest post law258

6
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View first unread post If xy does not equal 0, what is the value of ((x^2)^3 y^4)/x  

Tags: Difficulty: Sub-600 Level,  Algebra,  Exponents/Powers,  Source: GMAT Paper Tests

tonebeeze

6

3247

18 Sep 2016, 08:53

View the latest post law258

3
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View first unread post Attachment(s) Is the slope of line q negative?  

Tags: Difficulty: Sub-600 Level,  Coordinate Geometry

PathFinder007

8

2854

18 Sep 2016, 08:28

View the latest post Nevernevergiveup

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View first unread post Is x^2-8x+15 = 0?  

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rxs0005

6

3141

18 Sep 2016, 08:24

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View first unread post If |x+2|=4, what is the value of x ?  

Tags: Difficulty: 600-700 Level,  Absolute Values/Modulus,  Source: GMAT Prep

imadkho

5

13939

18 Sep 2016, 04:13

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View first unread post In the Triangle ABC has angles a, b c at vertex A B C respectively. Is  

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rxs0005

5

1759

17 Sep 2016, 12:37

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2
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View first unread post If X and Y are two empty rectangular boxes each with a remov  

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TooLong150

2

1148

17 Sep 2016, 12:34

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4
View first unread post If x ≠ 0, is |x| < 1? (1) x^2 < 1 (2) |x| < 1/2  

Tags: Difficulty: 600-700 Level,  Absolute Values/Modulus,  Inequalities,  Source: Other - Please specify

banksy

4

2652

17 Sep 2016, 12:28

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7
View first unread post Does the rectangle have an area less than 30?  

Tags: Difficulty: 700-Level,  Geometry

yezz

8

2457

17 Sep 2016, 11:35

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View first unread post Attachment(s) The midpoints of 3 sides of the triangle ABC are respectively D, E, F.  

Tags: Difficulty: 600-700 Level,  Geometry,  Source: Math Revolution

MathRevolution

3

4796

17 Sep 2016, 09:43

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View first unread post Does the product JKMN = 1?  

Tags: Difficulty: Sub-600 Level,  Algebra,  Source: OG 10,  Source: OG 11

paki

9

4779

17 Sep 2016, 07:05

View the latest post paidlukkha

1
View first unread post Is a>b? (1) 6b+a=50 (2) 6b+a>40  

Tags: Difficulty: Sub-600 Level,  Algebra,  Inequalities,  Source: Kaplan

sjh

7

3137

17 Sep 2016, 06:49

View the latest post law258

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View first unread post If x + 2y + 1 = y - x, what is the value of x?  

Tags: Difficulty: Sub-600 Level,  Algebra,  Source: OG 10,  Source: Official Guide,  Source: Quant Review 1st

fiendex

4

4353

17 Sep 2016, 05:16

View the latest post law258

2
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View first unread post Does x = y? (1) x^2 - y^2 = 0 (2) (x - y)^2 = 0  

Tags: Difficulty: Sub-600 Level,  Algebra,  Source: Kaplan

Schawjibb

10

3270

16 Sep 2016, 17:00

View the latest post law258

10
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View first unread post a, b, c, and d are integers; abcd≠0  

Tags: Difficulty: Sub-600 Level,  Algebra,  Exponents/Powers

Runner2

11

6945

16 Sep 2016, 16:37

View the latest post law258

6
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View first unread post If pq ≠ 0, is x an integer?  

Tags: Difficulty: Sub-600 Level,  Algebra,  Source: GMAT Paper Tests

ice t

8

3842

16 Sep 2016, 15:57

View the latest post law258

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View first unread post Is |x+3| > |2x+y| ? (1) x > 0 (2) y > 0  

Tags: Difficulty: 600-700 Level,  Absolute Values/Modulus,  Inequalities,  Source: Economist GMAT Tutor

goodyear2013

3

1771

15 Sep 2016, 18:35

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View first unread post Q is a set of 7 integers. m and n are two of the numbers in Q. Excludi  

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Bunuel

4

724

15 Sep 2016, 11:06

View the latest post Akela

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View first unread post If m and n are positive integers, and if p and q are differe  

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eybrj2

2

4334

15 Sep 2016, 08:53

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View first unread post Attachment(s) In the trapezoid ABCD, what is the area of triangle ABC?  

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Bunuel

9

2455

15 Sep 2016, 05:28

View the latest post gauravategmat

9
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View first unread post Attachment(s) If m and n are positive integers. What is the units digit of  

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gepetow

4

2013

15 Sep 2016, 02:52

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View first unread post If x - y > 10, is x y > x + y ?  

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msand

4

1912

15 Sep 2016, 02:50

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View first unread post What is the average (arithmetic mean) monthly salary of a worker in Qu  

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Bunuel

3

754

14 Sep 2016, 22:59

View the latest post Akela

6
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View first unread post Is |x| > |y| ?  

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xALIx

8

3371

14 Sep 2016, 22:44

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View first unread post Is |a| = b c? (1) c = a + b (2) a<0 If a is less than 80%  

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shekar123

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3132

14 Sep 2016, 11:57

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View first unread post Is x > 0? (1) |7x| > 17x (2) |x + 7| > 0  

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dlada

4

1304

14 Sep 2016, 07:12

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View first unread post Dennis cooks dishes in three colors - red, white and yellow. If Norman  

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Bunuel

1

1254

14 Sep 2016, 06:08

View the latest post msk0657

3
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View first unread post If m and z are integers, is z divisible by 11 ?  

Tags: Difficulty: Sub-600 Level,  Divisibility/Multiples/Factors

rxs0005

6

2492

14 Sep 2016, 05:58

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