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GMAT Data Sufficiency (DS)

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77
Experts publish their posts in the topic
View first unread post 150 Hardest and easiest questions for DS  

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Bunuel

3

11501

07 Dec 2015, 09:09

kongaharsha

381
Experts publish their posts in the topic
View first unread post DS Question Directory by Topic and Difficulty  

Tags: Difficulty: 700-Level,  Combinations,  Coordinate Geometry

bb

0

113070

07 Mar 2012, 08:58

bb

Topics

1
View first unread post In the xy-plane, point (r,s) lies on a circle with center at  

Tags: Geometry

jpr200012

4

1159

28 Aug 2010, 11:06

jpr200012

View first unread post The product of the units digit, the tens digit, and the  

Tags: Number Properties

udaymathapati

2

1040

28 Aug 2010, 22:34

psychomath

View first unread post Is x .y>0? (I) x^2 7x + 10= 0 (II) y^2 + 5y + 4 = 0  

Tags: Inequalities

jinx83

3

1030

29 Aug 2010, 17:40

zisis

1
Experts publish their posts in the topic
View first unread post Is it Ok to take the roots first?For example, in question 1  

Tags: Algebra

jinx83

5

1113

29 Aug 2010, 21:05

seekmba

View first unread post If a, b, c, and d are positive integers, is (a/b) (c/d) >  

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udaymathapati

0

1348

30 Aug 2010, 08:06

udaymathapati

2
Experts publish their posts in the topic
View first unread post If a, b, k, and m are positive integers, is a^k factor of  

Tags: Difficulty: 600-700 Level

udaymathapati

5

1403

01 Sep 2010, 01:25

amitjash

Experts publish their posts in the topic
View first unread post What is the value of a? 1. a - b + 4 = 0 2. a = -a Since  

Tags: Difficulty: 600-700 Level,  Number Properties

HustleHarder

4

1322

01 Sep 2010, 07:40

Bunuel

View first unread post K is a set of integers such that if the integer r is in K,  

Tags: Difficulty: 600-700 Level

udaymathapati

4

1326

01 Sep 2010, 09:15

metallicafan

Experts publish their posts in the topic
View first unread post Circle C and line K lie in the XY plane. If circle C is  

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

zz0vlb

5

3455

01 Sep 2010, 09:41

metallicafan

1
Experts publish their posts in the topic
View first unread post This is easy, but I want to know if you have a method to  

Tags: Difficulty: 600-700 Level,  Number Properties

metallicafan

3

1305

02 Sep 2010, 01:06

amitjash

1
View first unread post Is x-y<0, what is the value of x+ y? (I) x^2 –x – 2= 0  

Tags: Inequalities

jinx83

3

1096

02 Sep 2010, 01:26

amitjash

Experts publish their posts in the topic
View first unread post Is x > 3 ?  

Tags: Difficulty: 700-Level,  Inequalities,  Source: GMAT Club Tests

zest4mba

5

1412

02 Sep 2010, 08:37

Bunuel

View first unread post IF 75% of guest at a certain banquet ordered dessert,what  

Tags: Difficulty: 600-700 Level

raghavs

3

2978

03 Sep 2010, 00:30

g4gmat

Experts publish their posts in the topic
View first unread post What is the numerical value of 1/a + 1/b + 1/c ? (1) a + b +  

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BeavisMan

2

1706

04 Sep 2010, 11:43

IanStewart

23
Experts publish their posts in the topic
Moved: Series A(n) is such that i*A(i) = j*A(j) for any pair of  

Tags: Difficulty: 700-Level,  Sequences,  Source: GMAT Club Tests

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1
View first unread post Guests at a recent party ate a total of fifteen hamburgers.  

Tags: Difficulty: 700-Level

tt11234

3

1299

05 Sep 2010, 23:01

ulm

2
View first unread post Hard DS: Two russian mathematicians  

Tags: Difficulty: 700-Level,  Word Problems

PTK

13

2530

06 Sep 2010, 12:08

pradosamant

Experts publish their posts in the topic
View first unread post Attachment(s) In the triangle above(refer attached file), is x > 90?  

Tags: Difficulty: 600-700 Level

udaymathapati

3

1376

07 Sep 2010, 06:02

Bunuel

View first unread post If two copying machines work simultaneously at their  

Tags: Difficulty: 600-700 Level,  Work/Rate Problems

udaymathapati

2

1669

08 Sep 2010, 13:14

agnok

View first unread post I did not understand how X is either 2 or -1 in S1????? What  

Tags: Inequalities

seekmba

2

1134

09 Sep 2010, 15:59

saxenashobhit

Experts publish their posts in the topic
View first unread post Attachment(s) What is the area of the shaded region. (attached diagram: a  

Tags: Geometry

agnok

8

2677

10 Sep 2010, 06:19

agnok

Experts publish their posts in the topic
Moved: Suppose the question asks whether the number m is odd?  

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2
Experts publish their posts in the topic
View first unread post Is the integer n even? (1) n 5 is an odd integer. (2) n/5 is  

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

Orange08

2

3478

11 Sep 2010, 15:28

saxenashobhit

Experts publish their posts in the topic
View first unread post If x is a positive integer, is the remainder 0 when (3^x +  

Tags: Difficulty: 600-700 Level

udaymathapati

5

1378

11 Sep 2010, 23:41

Bunuel

1
Experts publish their posts in the topic
View first unread post Between what two numbers is the measure of the third side of  

Tags: Difficulty: 700-Level,  Poor Quality

agnok

8

1251

11 Sep 2010, 23:50

Bunuel

Experts publish their posts in the topic
View first unread post Paralleogram ABCD has diagonal AC and BD what is the area of  

Tags: Poor Quality

rxs0005

7

1200

13 Sep 2010, 07:15

TehJay

Experts publish their posts in the topic
View first unread post If [] represents +,x,-, or / (one of these), then which does  

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

mainhoon

6

1681

13 Sep 2010, 20:17

Bunuel

Experts publish their posts in the topic
View first unread post If q is a positive integer less than 17 and r is the  

Tags: Difficulty: 700-Level,  Number Properties

rraggio

4

4158

13 Sep 2010, 20:38

saxenashobhit

View first unread post The production costs for the printing of greeting cards  

Tags: Word Problems

hariharakarthi

8

1285

15 Sep 2010, 21:42

saxenashobhit

1
View first unread post Attachment(s) What is the area of triangle EBC?  

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

rafi

1

3445

17 Sep 2010, 03:35

shrouded1

Experts publish their posts in the topic
View first unread post What is the greatest common divisor of a and b? (1) a is  

Tags: Number Properties

rafi

3

1142

17 Sep 2010, 04:16

rafi

1
Experts publish their posts in the topic
View first unread post If n is a whole number, is n+1 a prime number? 1. n is a  

Tags: Number Properties

amitjash

3

1109

17 Sep 2010, 06:08

redjam

1
Experts publish their posts in the topic
View first unread post Factorial & remainder  

Tags: Difficulty: 700-Level,  Number Properties

shrouded1

6

2916

17 Sep 2010, 07:43

shrouded1

1
Experts publish their posts in the topic
View first unread post If x is an integer, is 9^x + 9^-^x = b ? (1) 3^x + 3^-^x = b  

Tags: Difficulty: 600-700 Level,  Exponents/Powers,  Poor Quality,  Source: Official Guide

TehJay

5

1341

18 Sep 2010, 08:38

Bunuel

3
Experts publish their posts in the topic
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

Sam Kana

18

3923

18 Sep 2010, 09:31

gurpreetsingh

View first unread post What is the value if x/y ( x / y )^ 2 = 1 / 81 x^2 / y^2 = 1  

Tags: Algebra

rxs0005

2

945

21 Sep 2010, 07:49

gurpreetsingh

View first unread post Dick has adopted a school in the inner city. Each month he  

Tags: Algebra

u0422811

3

1268

21 Sep 2010, 12:52

onedayill

4
Experts publish their posts in the topic
View first unread post Does the integer k have at least three different positive  

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

bandit

34

13023

22 Sep 2010, 23:18

cheetarah1980

1
View first unread post In a certain conference room, each row of chairs has the  

Tags: Source: GMAT Prep

TomB

2

1218

23 Sep 2010, 16:52

ezhilkumarank

4
View first unread post After a period of 3 years, how much greater is the interest  

Tags: Difficulty: Sub-600 Level,  Algebra

undernet

5

2899

24 Sep 2010, 21:55

gauravnagpal

Experts publish their posts in the topic
View first unread post Attachment(s) Is x+y<1?  

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

vigneshpandi

6

1677

27 Sep 2010, 14:28

adishail

Experts publish their posts in the topic
Moved: "D" in case of (1) A Definite "YES" & (2) A Definite "NO"  

Tags: 

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-

Experts publish their posts in the topic
View first unread post If a and b are integers , is 5 a factor of a * b a is  

Tags: Difficulty: Sub-600 Level

rxs0005

3

1186

28 Sep 2010, 08:51

Bruno2000

1
View first unread post Weak in DS - help needed  

Tags: 

zerotoinfinite2006

8

1097

29 Sep 2010, 12:04

alexn49

2
Experts publish their posts in the topic
View first unread post If x and y are positive, is x/y greater than 1?  

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

vanidhar

4

1245

30 Sep 2010, 15:08

onedayill

View first unread post Need some basic material for DS..  

Tags: 

vanidhar

2

1110

01 Oct 2010, 09:43

supereco87

View first unread post In a single row of yellow, green and red colored tiles,  

Tags: Difficulty: 700-Level,  Sequences

Barkatis

3

1221

01 Oct 2010, 12:00

Barkatis

4
View first unread post Given that x,y,z are distinct integers and that xyz != 0  

Tags: Difficulty: 700-Level

eladshush

2

1083

04 Oct 2010, 08:03

sarangadhar

3
Experts publish their posts in the topic
View first unread post What is the greatest common divisor of distinct positive  

Tags: Difficulty: 600-700 Level,  Number Properties

eladshush

3

1118

04 Oct 2010, 09:04

shrouded1

1
Experts publish their posts in the topic
View first unread post If w, x and y are different positive integers, and wxy = 24,  

Tags: Difficulty: 700-Level,  Divisibility/Multiples/Factors

shrive555

2

1564

04 Oct 2010, 12:57

shrouded1

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