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Data Sufficiency (DS)

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Announcements

278
ER
View first unread post 150 Hardest and easiest questions for DS  

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Bunuel

9

36793

24 Aug 2017, 21:58

View the latest post Bunuel

625
ER
View first unread post DS Question Directory by Topic and Difficulty  

Tags: Coordinate Geometry

bb

0

178069

07 Mar 2012, 08:58

View the latest post bb

Topics

4
ER
View first unread post Given a sequence: a_1, a_2, a_3, ... a_{14}, a_{15} In the  

Tags: Difficulty: 700-Level,  Sequences,  Source: GMAT Prep

vagarwal

4

2542

23 Mar 2011, 21:16

View the latest post subhashghosh

ER
View first unread post A, B, and C are nonnegative integers. Find an integer A. (1)  

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stolyar

10

2208

24 Mar 2011, 00:54

View the latest post IanStewart

View first unread post If 2 elemenst are dropped from setX{-10,-8,0,6,7},what will  

Tags: Statistics and Sets Problems,  Source: Other - Please specify

AnkitK

6

1597

24 Mar 2011, 02:34

View the latest post subhashghosh

2
View first unread post If m and r are two numbers on a number line, what is the  

Tags: Difficulty: 700-Level,  Arithmetic,  Source: GMAT Prep

nikhilsrl

7

1787

25 Mar 2011, 13:27

View the latest post bhandariavi

View first unread post If n is a positive integer, is (1/10)^n < .01?  

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redbeanaddict

14

1956

25 Mar 2011, 20:18

View the latest post brandy96

1
View first unread post If x and y are integers, what is the value of 2x^6y - 4 ?  

Tags: Difficulty: 700-Level,  Poor Quality

banksy

6

3674

26 Mar 2011, 19:38

View the latest post Marcab

ER
View first unread post If zy < xy < 0, is abs(x - z) + abs(x) = abs(z)? (1) z  

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japped187

4

4395

29 Mar 2011, 08:48

View the latest post AN225

1
ER
View first unread post Attachment(s) What is the equation of the line k that is perpendicular to line y = 2  

Tags: Difficulty: 600-700 Level,  Coordinate Geometry,  Source: GMAT Club Tests

gmatcraze

15

1880

02 Apr 2011, 01:37

View the latest post karthikp1211

2
View first unread post 8x y^3 + 8x^3 y = 2x^2y^2 * 8 , What is xy? (1) y > x (2)  

Tags: Exponents/Powers,  Inequalities

gmatpapa

4

2257

03 Apr 2011, 07:53

View the latest post Spidy001

View first unread post If x and y are prime numbers, is y(x-3) odd? (1) x> 10  

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MitDavidDv

5

1500

04 Apr 2011, 17:02

View the latest post Spidy001

View first unread post If 8x > 4 + 6x, what is the value of the integer x? (1) 6  

Tags: Difficulty: 700-Level,  Inequalities,  Source: Manhattan GMAT

n2739178

3

1937

04 Apr 2011, 18:32

View the latest post Spidy001

1
View first unread post If d denotes a decimal, is d >= 0.5?  

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

blshah

16

2428

05 Apr 2011, 02:52

View the latest post fluke

View first unread post What is the average (arithmetic mean) of eleven consecutive  

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

Hang Tuah

3

1513

05 Apr 2011, 07:47

View the latest post Spidy001

4
ER
View first unread post Are two triangles congruent? (I) They are both equilateral  

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

Lolaergasheva

4

1916

05 Apr 2011, 14:54

View the latest post diebeatsthegmat

ER
View first unread post Seven different numbers are selected from the integers  

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maitri_mehta

4

1631

05 Apr 2011, 19:23

View the latest post VeritasPrepKarishma

1
View first unread post Attachment(s) Maid of the Mist and QE2  

Tags: Source: Kaplan

harsh08

4

1695

06 Apr 2011, 12:03

View the latest post 144144

2
ER
View first unread post Is x<y? a) z<y b) z<x  

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

GMATD11

5

1566

07 Apr 2011, 13:30

View the latest post IanStewart

ER
View first unread post If \hspace{2} \sqrt{H^2-2H} =  

Tags: Difficulty: 700-Level,  Algebra,  Poor Quality,  Roots

fluke

5

2148

07 Apr 2011, 21:40

View the latest post subhashghosh

1
View first unread post Is the product abcd even? 1) a^2+ b^2 + c^2 + d^2  

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

chethanjs

9

2595

08 Apr 2011, 12:47

View the latest post gmatpapa

1
View first unread post Is (x-2)^2>x^2 1.x^2>x 2.1/x>0 I was wondering why  

Tags: Difficulty: 600-700 Level,  Inequalities,  Source: Manhattan GMAT

meprarth

4

1418

10 Apr 2011, 10:27

View the latest post Spidy001

2
View first unread post Attachment(s) In the xy-plane, if line k has negative slope, is the  

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

skbjunior

3

1962

15 Apr 2011, 21:24

View the latest post subhashghosh

1
ER
View first unread post Does the prime number p divide n!?  

Tags: Difficulty: 700-Level,  Number Properties

surendar26

4

2793

16 Apr 2011, 00:13

View the latest post varunmaheshwari

ER
View first unread post Attachment(s) Is the triangle in the attached picture isosceles?  

Tags: Poor Quality

retro

7

1390

16 Apr 2011, 12:19

View the latest post fluke

View first unread post If b is a positive integer less than 8, is c less than the  

Tags: Algebra,  Statistics and Sets Problems

gmatpapa

4

1538

19 Apr 2011, 06:48

View the latest post varunmaheshwari

ER
View first unread post A certain company assigns ID numbers to its new employees such that ea  

Tags: Difficulty: 600-700 Level,  Poor Quality,  Word Problems

gmatpapa

4

1520

20 Apr 2011, 14:27

View the latest post Spidy001

View first unread post 9 @7 In the decimal above, and @ represent single digits.  

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

kamalkicks

2

2240

21 Apr 2011, 22:26

View the latest post ravsg

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

Tags: Difficulty: 600-700 Level,  Source: Manhattan GMAT

Onell

3

1220

22 Apr 2011, 15:03

View the latest post Spidy001

2
View first unread post What is the ratio of number of cups of flour to number of  

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

nikhilsrl

3

2465

23 Apr 2011, 16:01

View the latest post bleemgame

View first unread post In the rectular coordinate system shown above, does the line  

Tags: Coordinate Geometry,  Source: GMAT Paper Tests

agdimple333

2

1339

24 Apr 2011, 21:59

View the latest post subhashghosh

View first unread post Elena receives a salary plus a commission that is equal to a  

Tags: Difficulty: Sub-600 Level,  Word Problems

sumitjain

9

4300

24 Apr 2011, 22:16

View the latest post subhashghosh

View first unread post What is the value of x^2 - y^2 ? S1 x + y = 2x S2 x - y = 0  

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

rxs0005

3

1665

24 Apr 2011, 22:21

View the latest post subhashghosh

9
ER
View first unread post One kilogram of a certain coffee blend consists of x  

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

nusmavrik

5

2878

25 Apr 2011, 02:41

View the latest post subhashghosh

View first unread post It takes 3.5 hours for Mathew to row a distance of X miles  

Tags: Arithmetic,  Source: Other - Please specify

agdimple333

3

1580

25 Apr 2011, 10:29

View the latest post gmatpapa

View first unread post If n is a positive integer and p = 3.021 10n, what is the  

Tags: Difficulty: Sub-600 Level

agdimple333

6

2114

28 Apr 2011, 03:04

View the latest post fluke

1
View first unread post Data Sufficiency Q - MGMAT  

Tags: Number Properties,  Source: Manhattan GMAT

melguy

3

1478

28 Apr 2011, 20:50

View the latest post amit2k9

View first unread post 10^25 560 is divisible by all of the following EXCEPT: 11 8  

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ggarr

9

1750

30 Apr 2011, 08:14

View the latest post Spidy001

1
ER
View first unread post Is integer x negative (1) X^2 = -5x (2) |X| = -X  

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

Yalephd

8

1449

30 Apr 2011, 12:50

View the latest post Spidy001

View first unread post If Y is greater than or equal to 0, what is the value of x?  

Tags: Absolute Values/Modules,  Inequalities,  Number Properties,  Source: GMAT Prep

chloeholding

2

1660

30 Apr 2011, 22:44

View the latest post fluke

ER
View first unread post Attachment(s) x| < 1? 1) |x+1| = 2|x-1| 2) |x-3| does not equal 0  

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fluke

4

1400

02 May 2011, 18:57

View the latest post VeritasPrepKarishma

23
ER
View first unread post The area of the right triangle ABC is 4 times greater than  

Tags: Difficulty: 700-Level,  Geometry

TXTDryFly

6

8198

04 May 2011, 03:50

View the latest post subhashghosh

2
ER
View first unread post What is value of the fraction x/y? 1) x-y = 14 2) 2x = 5y  

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

TrueLie

12

2214

04 May 2011, 07:50

View the latest post amit2k9

2
View first unread post Q: Is xy > 0 (1) X-Y > -2 (2) X-2Y < -6 I received  

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chloeholding

5

1915

04 May 2011, 20:22

View the latest post subhashghosh

View first unread post At a certain store, each notepad costs x $ and each marker  

Tags: Arithmetic,  Source: GMAT Prep

agdimple333

5

1563

04 May 2011, 23:26

View the latest post amit2k9

8
ER
View first unread post A college admissions committee will grant a certain number  

Tags: Difficulty: 600-700 Level,  Combinations

GMBA85

17

4310

05 May 2011, 22:34

View the latest post amit2k9

31
View first unread post Attachment(s) In the figure shown, point O is the center of semicircle and  

Tags: Difficulty: 700-Level,  Geometry,  Source: GMAT Prep

asimov

17

18436

06 May 2011, 09:00

View the latest post mehtakaustubh

ER
View first unread post How much time did it take a certain car to travel 400  

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tarek99

9

1895

06 May 2011, 11:29

View the latest post Spidy001

View first unread post To rent an office, each member of a club must pay n  

Tags: Inequalities,  Word Problems,  Source: Other - Please specify

jamifahad

4

1282

07 May 2011, 01:30

View the latest post jamifahad

ER
View first unread post if a and b are both positive integers ,is b(a+1)-ba^b odd?  

Tags: Difficulty: 700-Level,  Number Properties

AnkitK

5

1642

07 May 2011, 16:55

View the latest post Spidy001

9
View first unread post What is the cube root of w ?  

Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Roots,  Source: Official Guide

Guest

29

14802

10 May 2011, 04:58

View the latest post amit2k9

6
ER
View first unread post If k, m, and t are positive integers and k/6 + m/4 = t/12 ,  

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

marine

35

6689

10 May 2011, 09:42

View the latest post amit2k9

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