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Data Sufficiency (DS)

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Announcements

267
ER
View first unread post 150 Hardest and easiest questions for DS  

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Bunuel

7

35011

29 Jun 2017, 21:57

JTR

607
ER
View first unread post DS Question Directory by Topic and Difficulty  

Tags: Coordinate Geometry

bb

0

173198

07 Mar 2012, 08:58

bb

Topics

9
ER
View first unread post If the average (arithmetic mean) of 6 numbers is 75, how  

Tags: Difficulty: 600-700 Level,  Statistics and Sets Problems

rxs0005

9

3249

03 Aug 2017, 07:50

shashankism

6
View first unread post Bob plans to draw a square ABCD with a point O on the side AB but is  

Tags: Difficulty: 600-700 Level,  Geometry,  Source: Other - Please specify

VenoMfTw

4

791

03 Aug 2017, 07:49

Sanjay2043

10
ER
View first unread post What is the value of the tenths digit of number x?  

Tags: Difficulty: 600-700 Level,  Fractions/Ratios/Decimals,  Source: GMAT Prep

nikhilbajaj

19

8441

03 Aug 2017, 06:54

vp101

29
ER
View first unread post For each month of next year, Company R's monthly revenue  

Tags: Difficulty: 700-Level,  Word Problems,  Source: GMAT Prep

tarek99

12

9487

03 Aug 2017, 06:17

pra1785

3
ER
View first unread post n and k are positive integers. If n=(22)(3)(53)/15k, is n<k?  

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

MathRevolution

3

606

03 Aug 2017, 06:06

bumpbot

2
ER
View first unread post If xy > 0, is xyz < 0?  

Tags: Difficulty: 600-700 Level,  Inequalities,  Source: Other - Please specify

Bunuel

2

604

03 Aug 2017, 06:03

bumpbot

4
ER
View first unread post What is the value of positive integer x?  

Tags: Difficulty: 700-Level,  Divisibility/Multiples/Factors,  Source: Veritas Prep

Bunuel

6

445

03 Aug 2017, 06:02

abhimahna

14
View first unread post What is the value of x? (1) x+y=2 (2) xy=z2+1  

Tags: Difficulty: 700-Level,  Algebra,  Source: Veritas Prep

JusTLucK04

7

5609

03 Aug 2017, 05:50

abhimahna

6
View first unread post a, b, and c are three distinct positive integers. What is the product  

Tags: Difficulty: 700-Level,  Algebra,  Source: Veritas Prep

anceer

5

4006

03 Aug 2017, 05:48

dadoprso

23
ER
View first unread post If n is a positive integer and 10^n is a factor of m, what  

Tags: Difficulty: 700-Level,  Number Properties

atalpanditgmat

4

3237

03 Aug 2017, 05:43

bumpbot

45
ER
View first unread post P and Q are prime numbers less than 70. What is the units digit of P*Q  

Tags: Difficulty: 700-Level,  Number Properties,  Source: e-GMAT

EgmatQuantExpert

17

5218

03 Aug 2017, 05:13

arif24

View first unread post What is the value of the integer r ?  

Tags: Difficulty: 600-700 Level,  Number Properties,  Source: GMAT Hacks

sananoor

4

126

03 Aug 2017, 04:12

jxav

24
ER
View first unread post If S is the infinite sequence S1=9 S2=99 S3=999 SK=10^k-1  

Tags: Difficulty: 600-700 Level,  Divisibility/Multiples/Factors,  Sequences,  Source: Official Guide

morya003

16

7188

03 Aug 2017, 04:05

shashankism

1
ER
View first unread post If m and n are non-negative integers, mn=?  

Tags: Difficulty: 600-700 Level,  Number Properties,  Source: Math Revolution

MathRevolution

2

126

03 Aug 2017, 01:25

MathRevolution

22
ER
View first unread post If the vertices of a triangle have coordinates (x,1), (5,1)  

Tags: Difficulty: 700-Level,  Coordinate Geometry,  Geometry,  Source: GMAT Club Tests

slingfox

4

5705

02 Aug 2017, 21:07

bumpbot

9
ER
View first unread post A certain diet program calls for eating daily calories from  

Tags: Difficulty: 700-Level,  Word Problems,  Source: GMAT Paper Tests

Apex231

7

2128

02 Aug 2017, 18:34

bumpbot

49
ER
View first unread post Attachment(s) If x and y are integers and y=|x+3| + |4-x|, does y equals 7  

Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Absolute Values/Modules,  Inequalities,  Source: GMAT Paper Tests

thirst4edu

27

9497

02 Aug 2017, 18:08

bumpbot

40
ER
View first unread post The number of antelope in a certain herd increases every  

Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Word Problems,  Source: GMAT Paper Tests

jananijayakumar

28

10923

02 Aug 2017, 17:01

bumpbot

11
ER
View first unread post Is |x-1| < 1 ?  

Tags: Difficulty: 700-Level,  Absolute Values/Modules,  Inequalities

gmatgrl

10

1296

02 Aug 2017, 12:00

gmatcracker2017

1
View first unread post What is the value of the integer z ?  

Tags: Difficulty: 600-700 Level,  Number Properties,  Source: GMAT Hacks

sananoor

4

138

02 Aug 2017, 11:37

akshayk

6
ER
View first unread post Is x < y^2 ?  

Tags: Difficulty: 700-Level,  Absolute Values/Modules,  Inequalities,  Number Properties,  Source: Other - Please specify

RonPurewal

5

366

02 Aug 2017, 10:51

akshayk

1339
ER
View first unread post Attachment(s) Inequality and absolute value questions from my collection  

Go to page: 1 ... 21, 22, 23 Tags: Difficulty: 700-Level,  Absolute Values/Modules,  Inequalities

Bunuel

446

217144

02 Aug 2017, 09:19

RussianWinters

6
ER
View first unread post Is 8^x>4^y?  

Tags: Difficulty: 700-Level,  Exponents/Powers,  Source: Math Revolution

MathRevolution

7

980

02 Aug 2017, 07:22

Bunuel

24
ER
View first unread post If the average arithmetic mean of the five numbers x, 7, 2,  

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

satishreddy

16

11234

02 Aug 2017, 05:58

srikanth9502

10
ER
View first unread post Attachment(s) Is the area of the triangular region above less than 20?  

Tags: Difficulty: 600-700 Level,  Geometry,  Source: Official Guide

Bunuel

11

894

02 Aug 2017, 05:31

LeonidK

1
View first unread post Attachment(s) Rectangle ABDC is perfectly inscribed inside a circle and has an area  

Tags: Difficulty: 700-Level,  Coordinate Geometry,  Source: Veritas Prep

GTExl

0

136

02 Aug 2017, 04:55

GTExl

4
ER
View first unread post A Circle, with its radius an integer, is inscribed in a square.  

Tags: Difficulty: 700-Level,  Geometry,  Number Properties,  Probability,  Source: Other - Please specify

RMD007

7

387

02 Aug 2017, 04:26

vineet6316

81
ER
View first unread post If a, b and n are positive integers such that n = 3a – b3  

Tags: Difficulty: 700-Level,  Number Properties,  Source: e-GMAT

EgmatQuantExpert

19

8252

02 Aug 2017, 03:37

gps5441

11
ER
View first unread post Is the slope of Line 1 positive?  

Tags: Difficulty: 600-700 Level,  Coordinate Geometry,  Source: Magoosh

Bunuel

5

1688

02 Aug 2017, 01:53

bumpbot

11
ER
View first unread post Attachment(s) What are the equations of the two parallel lines shown here?  

Tags: Difficulty: 700-Level,  Coordinate Geometry,  Source: Grockit

shanmugamgsn

7

1759

02 Aug 2017, 00:59

bumpbot

2
ER
View first unread post John travelled for 12hrs. What is the total average speed? 1) For the  

Tags: Difficulty: 600-700 Level,  Distance/Rate Problems,  Source: Math Revolution

MathRevolution

2

202

02 Aug 2017, 00:55

MathRevolution

7
ER
View first unread post Can the positive integer k be expressed as the product of  

Tags: Difficulty: 700-Level,  Number Properties

enigma123

13

2973

02 Aug 2017, 00:32

rekhabishop

9
ER
View first unread post Where is the center of a circle on the xy plane?  

Tags: Difficulty: 700-Level,  Coordinate Geometry,  Geometry,  Source: Other - Please specify

Bunuel

4

746

01 Aug 2017, 23:59

Rahul30

5
ER
View first unread post If a, b, c and d are integers, is (2^a·3^b)/(2^c·3^d) even  

Tags: Difficulty: 700-Level,  Exponents/Powers,  Number Properties,  Source: Other - Please specify

ha15

8

851

01 Aug 2017, 22:39

rekhabishop

9
ER
View first unread post Attachment(s) In a circle centered on point O with radius 8, diameter AC and poi  

Tags: Difficulty: 600-700 Level,  Geometry,  Source: Veritas Prep

Bunuel

8

2687

01 Aug 2017, 21:50

GoodnessShallPrevail

3
ER
View first unread post All of the students who took a certain test answered the two first que  

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

Bunuel

1

158

01 Aug 2017, 21:21

Luckisnoexcuse

1
ER
View first unread post Two players Lampard and Essien had a certain number of chocolates with  

Tags: Difficulty: 700-Level,  Algebra,  Word Problems,  Source: Other - Please specify

DH99

3

191

01 Aug 2017, 20:17

chetan2u

22
ER
View first unread post W, X, Y, and Z represent distinct digits such that WX * YZ = 1995. Wha  

Tags: Difficulty: 700-Level,  Number Properties,  Source: Veritas Prep

Bunuel

11

1287

01 Aug 2017, 19:58

rekhabishop

1
View first unread post If 1,485 = a^x*b^y*c^z, then abc = ?  

Tags: Difficulty: 700-Level,  Number Properties,  Source: Math Revolution

idontknowwhy94

4

417

01 Aug 2017, 19:33

rekhabishop

16
ER
View first unread post Four workers from an international charity were selling shirts at a lo  

Tags: Difficulty: 700-Level,  Arithmetic,  Word Problems,  Source: Veritas Prep

aadikamagic

12

3300

01 Aug 2017, 18:27

SamBoyle

1
ER
View first unread post If it takes Patrick 4 hours to paint a room, how long did it take Patr  

Tags: Difficulty: Sub-600 Level,  Work/Rate Problems

Bunuel

3

334

01 Aug 2017, 18:02

mkrishnabdrr

4
ER
View first unread post In a computer repair shop the ratio of the number of CPUs to  

Tags: Difficulty: 600-700 Level,  Fractions/Ratios/Decimals,  Source: Kaplan

gmihir

6

3267

01 Aug 2017, 17:58

pingala

2
View first unread post Class A and class B took the same test. The average  

Tags: Difficulty: 600-700 Level,  Statistics and Sets Problems

aiming4mba

3

2041

01 Aug 2017, 17:40

pingala

4
ER
View first unread post Five friends recently visited a famous chocolatier, and collectively p  

Tags: Difficulty: 700-Level,  Word Problems,  Source: Veritas Prep

Bunuel

8

1702

01 Aug 2017, 15:21

mvictor

ER
View first unread post What percent of the children in the class are holding a Popsicle?  

Tags: Difficulty: 600-700 Level,  Percent and Interest Problems,  Source: Economist GMAT Tutor

Bunuel

2

142

01 Aug 2017, 14:03

Sangeeta2018

129
ER
View first unread post Is A positive? x^2-2x+A is positive for all x Ax^2+1 is  

Go to page: 1, 2, 3, 4 Tags: Difficulty: 700-Level,  Algebra,  Source: GMAT Club Tests

noboru

66

14032

01 Aug 2017, 13:17

spence11

ER
View first unread post A cafeteria served hamburgers and hot dogs on a certain day. If the co  

Tags: Difficulty: 600-700 Level,  Word Problems,  Source: Other - Please specify

Bunuel

2

128

01 Aug 2017, 12:49

Apurve

22
ER
View first unread post If x and y are positive integers, what is the value of x^(1/2)+y^(1/2)  

Tags: Difficulty: Sub-600 Level,  Algebra,  Source: Official Guide

Bunuel

10

3507

01 Aug 2017, 12:29

GMATPrepNow

13
ER
View first unread post At Western Springs School there are 150 total students  

Tags: Difficulty: 700-Level,  Overlapping Sets,  Source: Princeton Review

maglian

14

4695

01 Aug 2017, 12:19

bumpbot

2
ER
View first unread post Attachment(s) Is quadrilateral ABCD a parallelogram?  

Tags: Difficulty: 700-Level,  Geometry,  Source: Jamboree

DH99

11

375

01 Aug 2017, 10:22

darn

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