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Data Sufficiency (DS)

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Announcements

250
ER
View first unread post 150 Hardest and easiest questions for DS  

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Bunuel

7

33603

29 Jun 2017, 21:57

JTR

591
ER
View first unread post DS Question Directory by Topic and Difficulty  

Tags: Coordinate Geometry

bb

0

169712

07 Mar 2012, 08:58

bb

Topics

2
ER
View first unread post If a and b are single digits from 0 to 9, inclusive, what is the value  

Tags: Difficulty: 600-700 Level,  Divisibility/Multiples/Factors,  Source: Other - Please specify

Bunuel

5

86

28 Jul 2017, 09:15

rulingbear

View first unread post The monthly revenue of Company A increased by 20 percent  

Tags: Difficulty: Sub-600 Level,  Arithmetic,  Percent and Interest Problems,  Source: GMAT Hacks

sananoor

1

33

28 Jul 2017, 09:12

umadurga

1287
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

442

213299

28 Jul 2017, 08:28

Bunuel

155
ER
View first unread post Attachment(s) What is the volume of a certain rectangular solid?  

Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Geometry,  Source: Official Guide

amod243

53

24380

28 Jul 2017, 08:04

faizanqazi

1
ER
View first unread post ABA represents a three-digit number having digits A and B; BC3 represe  

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

Bunuel

2

60

28 Jul 2017, 07:37

johnymaung

12
ER
View first unread post Attachment(s) A function f is defined by f(x,y) = x^2 - y. Is the value of  

Tags: Difficulty: Sub-600 Level,  Inequalities

darlingriyarai

8

2094

28 Jul 2017, 07:09

bumpbot

ER
View first unread post What is the units digit of a positive integer n? 1) The units digit of  

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

MathRevolution

1

45

28 Jul 2017, 05:51

chetan2u

ER
View first unread post If the average (arithmetic mean) of six numbers j, k, m, n, p, and q  

Tags: Difficulty: Sub-600 Level,  Arithmetic,  Source: GMAT Hacks

sananoor

1

40

28 Jul 2017, 05:46

IanStewart

1
ER
View first unread post If x is less than 75 percent of y, is x less than 75 ?  

Tags: Difficulty: 600-700 Level,  Arithmetic,  Source: GMAT Hacks

sananoor

3

60

28 Jul 2017, 04:56

mynamegoeson

ER
View first unread post If x and y are integers, what is the value of x + y?  

Tags: Difficulty: 600-700 Level,  Exponents/Powers,  Source: Other - Please specify

Bunuel

2

57

28 Jul 2017, 04:24

mynamegoeson

100
ER
View first unread post For any positive integer x, the 2-height of x is defined to be the  

Tags: Difficulty: 700-Level,  Divisibility/Multiples/Factors,  Number Properties,  Source: Official Guide

Bunuel

16

6020

28 Jul 2017, 03:08

srikapardhi

2
ER
View first unread post AAAA is a four-digit number having the digit A and BCCC6 is a five-dig  

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

Bunuel

1

51

28 Jul 2017, 03:06

jedit

1
ER
View first unread post Is n/12 an integer?  

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

Bunuel

2

64

28 Jul 2017, 02:33

chetan2u

ER
View first unread post If n is a positive integer, what is the remainder when 2n is divided  

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

Bunuel

2

56

28 Jul 2017, 02:18

mynamegoeson

ER
View first unread post The number 2135, when divided by a positive integer n, leaves a remain  

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

Bunuel

1

40

28 Jul 2017, 02:13

mynamegoeson

1
ER
View first unread post A teacher distributed few pens and few pencils evenly among the studen  

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

Bunuel

1

42

28 Jul 2017, 02:04

mynamegoeson

1
ER
View first unread post D represents a single digit number from 1 to 9. What is the value of D  

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

Bunuel

1

41

28 Jul 2017, 01:48

mynamegoeson

133
ER
View first unread post If r and s are the roots of the equation x^2 + bx + c = 0  

Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Algebra,  Inequalities,  Source: Official Guide

asveaass

38

79179

28 Jul 2017, 01:46

vityakim@gmail.com

1
ER
View first unread post PQP is a three-digit number having digits P and Q; and RQS5 is a four-  

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

Bunuel

1

34

28 Jul 2017, 01:45

mynamegoeson

ER
View first unread post PQ and QP represent two-digit numbers having P and Q as their digits.  

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

Bunuel

1

33

28 Jul 2017, 01:38

mynamegoeson

1
ER
View first unread post Is the area of quadrilateral ABCD equal to area of quadrilateral AECD?  

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

Bunuel

1

34

28 Jul 2017, 01:25

mynamegoeson

258
ER
View first unread post A school administrator will assign each student in a group  

Go to page: 1, 2, 3 Tags: Difficulty: 700-Level,  Divisibility/Multiples/Factors,  Word Problems,  Source: Official Guide

gwiz87

43

27275

28 Jul 2017, 01:23

Virtuoso7

1
ER
View first unread post xy=? 1) y=x-1 2) y^2=-|x-1|  

Tags: Difficulty: 600-700 Level,  Absolute Values/Modules,  Source: Math Revolution

MathRevolution

4

141

28 Jul 2017, 01:15

MathRevolution

ER
View first unread post A group of friends win $96,000 in the lottery and agree to split their  

Tags: Difficulty: 600-700 Level,  Word Problems,  Source: Veritas Prep

Bunuel

1

36

28 Jul 2017, 00:56

mynamegoeson

1
View first unread post If x and y are positive integers, does x–y = 0? (1)  

Tags: Difficulty: 700-Level,  Arithmetic,  Exponents/Powers,  Source: Kaplan

Bhalla

9

509

28 Jul 2017, 00:51

abhimahna

11
ER
View first unread post Is |x| = y + z?  

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

pgmat

18

9213

28 Jul 2017, 00:46

abhimahna

42
ER
View first unread post Attachment(s) Jill has applied for a job with each of two different companies. What  

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

AbdurRakib

16

4172

28 Jul 2017, 00:30

abhimahna

5
View first unread post The profit earned by selling a commodity is generally given by the sel  

Tags: Difficulty: 600-700 Level,  Percent and Interest Problems,  Source: Other - Please specify

SajjadAhmad

3

293

28 Jul 2017, 00:01

abhimahna

42
ER
View first unread post Attachment(s) In a survey of 200 college graduates, 30 percent said they  

Tags: Difficulty: 600-700 Level,  Overlapping Sets,  Source: Official Guide

udaymathapati

13

13338

27 Jul 2017, 23:10

VeritasPrepKarishma

4
ER
View first unread post Attachment(s) ABCD is a quadrilateral. A rhombus is a quadrilateral whose  

Tags: Difficulty: 700-Level,  Geometry

burp

17

4303

27 Jul 2017, 22:28

bumpbot

1
View first unread post If X is the length of the radius of a circle, what is X? 1. The radius  

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

SajjadAhmad

3

298

27 Jul 2017, 22:20

pingala

15
ER
View first unread post Attachment(s) Is the quadrilateral a square?  

Tags: Difficulty: Sub-600 Level,  Geometry,  Source: Magoosh

enigma123

11

3496

27 Jul 2017, 21:47

Bunuel

5
ER
View first unread post How long, in minutes, did it take a bicycle wheel to roll  

Tags: Difficulty: Sub-600 Level,  Distance/Rate Problems,  Geometry

enigma123

11

4306

27 Jul 2017, 21:25

longhaul123

7
ER
View first unread post Attachment(s) A circular tub has a band painted around its circumference  

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

Bunuel

10

8207

27 Jul 2017, 21:02

longhaul123

1
ER
View first unread post If r > 0, is r^(1/2) an integer?  

Tags: Difficulty: 600-700 Level,  Number Properties,  Source: Kaplan

Bunuel

4

634

27 Jul 2017, 21:00

Bunuel

3
ER
View first unread post What is the value of x? (1) |y| ≤ −3x (2) |5x − 1| = x + 7  

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

Bunuel

7

199

27 Jul 2017, 20:04

VeteranMom

30
ER
View first unread post What is the value of x? 1) x^2 + x + 10 = 16 2) x = 4y^4+2y^2+2  

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

GMAT4937

10

3545

27 Jul 2017, 18:50

sashiim20

4
ER
View first unread post Attachment(s) Last year, department A earned 35% more than department B did.  

Tags: Difficulty: 700-Level,  Fractions/Ratios/Decimals,  Source: Economist GMAT Tutor

n2223

4

932

27 Jul 2017, 17:40

bumpbot

1
ER
View first unread post Is x> 0? (1) |x|-x = 0  

Tags: Difficulty: 600-700 Level,  Absolute Values/Modules,  Inequalities

pirimidin

3

855

27 Jul 2017, 17:39

bumpbot

View first unread post Attachment(s) If X and Y are positive, is X^2>Y  

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

ammuseeru

1

75

27 Jul 2017, 16:40

quantumliner

14
ER
View first unread post In Mr. Smith's class, what is the ratio of the number of boy  

Tags: Difficulty: Sub-600 Level,  Fractions/Ratios/Decimals,  Source: Official Guide

Bunuel

11

8786

27 Jul 2017, 13:53

GMATPrepNow

11
ER
View first unread post If the sequence S has 300 terms, what is the 293rd term of S  

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

Bunuel

18

9111

27 Jul 2017, 13:45

GMATPrepNow

48
ER
View first unread post Attachment(s) In the figure above, SQRE is a square, AB = AC, and AS = AQ.  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Geometry,  Source: Manhattan GMAT

AccipiterQ

22

8439

27 Jul 2017, 12:22

bumpbot

1
ER
View first unread post If n is the least of three different integers greater than 1, what is  

Tags: Difficulty: 700-Level,  Number Properties,  Source: Official Guide

carcass

4

111

27 Jul 2017, 11:55

mehrotrayashraj

25
ER
View first unread post Attachment(s) Two points, N and Q (not shown), lie to the right of point M on line ℓ  

Tags: Difficulty: 700-Level,  Fractions/Ratios/Decimals,  Source: Official Guide

Bunuel

12

5388

27 Jul 2017, 10:53

PK32

8
ER
View first unread post If a and b are two numbers such that a*b = 10, is a an integer ?  

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

stonecold

10

657

27 Jul 2017, 10:31

bumpbot

28
ER
View first unread post Given a series of n consecutive positive integers, where n >  

Tags: Difficulty: 700-Level,  Number Properties,  Sequences,  Source: Manhattan GMAT

enigma123

10

10238

27 Jul 2017, 09:26

rekhabishop

5
ER
View first unread post If x^2 = 2^x, what is the value of x ?  

Tags: Difficulty: 700-Level,  Exponents/Powers,  Source: Official Guide

carcass

2

109

27 Jul 2017, 09:19

carcass

1
ER
View first unread post If a and b are positive integers, what is the value of the product ab?  

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

carcass

1

64

27 Jul 2017, 09:18

chetan2u

2
ER
View first unread post What is the value of x^2 − y^2 ?  

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

carcass

1

70

27 Jul 2017, 09:14

chetan2u

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