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# GMAT Data Sufficiency (DS)

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 150 Hardest and easiest questions for DS   Tags:
Bunuel

2

85

21 Aug 2015, 04:20

278
 DS Question Directory by Topic and Difficulty
bb

0

87997

07 Mar 2012, 07:58

Topics

 Seven different numbers are selected from the integers   Tags:
maitri_mehta

4

1224

05 Apr 2011, 18:23

 In the figure shown, triangle ABC is inscribed in the circle. What is
shakticnb

1

37

02 Sep 2015, 03:37

 Is ab<0 ? (1) a=b6 (2) b<0   Tags:
stolyar

4

1529

22 Mar 2011, 20:09

 Martha bought several pencils. If each pencil was either a   Tags: Word Problems
sandalphon

14

2393

26 Feb 2011, 02:47

 What is the ratio of x : y : z? (1) z = 1 and xy =32 (2) x/y
ValleyBall1

7

1831

24 Aug 2011, 10:06

 In a sequence of numbers in which each term after the first   Tags:
Curly05

4

2193

22 Mar 2011, 19:42

 Is x^2 > x? (1) x^2 > 1 (2) x > -1
Summer3

10

2060

23 Jun 2011, 02:22

 There are two solids 1 & 2. These solids are not of the   Tags: Geometry
mistdew

6

1399

26 Jul 2010, 06:09

 On a certain sight-seeing tour, the ratio of the number of
successstory

3

2076

17 Sep 2013, 06:51

 In 1990 850 million movie tickets were sold in the United States. One
tyagel

6

1402

11 Jan 2012, 02:24

 Students in five sections, F, G, H, J and K, of an
andrehaui

7

1551

10 Oct 2010, 15:08

 Find a nonzero integer R. (1) R^3=R^R (2) |R^R|=1   Tags:
stolyar

4

1608

20 Mar 2011, 06:47

 Is K an integer? (1) K=P/Q, where P and Q are consequtive
stolyar

9

2765

02 Dec 2010, 13:05

 Is a*b*c divisible by 32?
Juaz

9

1590

21 Oct 2014, 07:14

 Is x > y ?
GMATT73

14

1632

13 Apr 2014, 11:12

 Find an integer N. (1) ^ =4 (2) N^4=16   Tags: Exponents/Powers
stolyar

4

2217

16 Aug 2010, 23:05

 Is a nonzero integer Z prime? (1) |Z|^|Z|=4 (2) |Z^Z|=Z^2   Tags:
stolyar

8

1877

22 Mar 2011, 19:50

 What is the probability of selecting a clean number from a   Tags:
GMATT73

0

2848

28 Jun 2015, 10:20

 The three integers X, Y, and Z. Is their product XYZ = zero   Tags: Exponents/Powers
stolyar

15

2213

03 Jun 2010, 12:43

 Pat is reading a book that has a total of 15 chapters. Has
prude_sb

6

1628

14 Sep 2013, 06:40

 A, B, and C are nonnegative integers. Find an integer A. (1)   Tags:
stolyar

10

1818

23 Mar 2011, 23:54

 If n is an integer, is n even? (1) n^2-1 is an odd integer
sundarc

15

1767

11 Jun 2010, 21:46

 This one is driving me nuts. It's from the OG Quantitative
kook44

19

2399

05 Jan 2011, 15:21

 Is x/m(m^2 + n^2 + k^2) = xm + yn + zk? (1) z/k = x/m (2)
ValleyBall1

4

1722

18 Nov 2011, 04:19

 In a survey of 150 persons, how many were smokers and
4128851

5

1342

12 Dec 2011, 04:02

 In what year was Ellen born? (1) Ellen s brother Pete, who
dr_sabr

5

1284

20 Nov 2010, 16:07

 A business bought r typewriters at \$100 per typewriter and s
anandsebastin

11

1887

19 Nov 2013, 00:25

 If X^3 = Y, is Y a fraction? (1) X^2 is a fraction. (2) X   Go to page: 1, 2 Tags: Poor Quality
saurya_s

27

3640

19 Jan 2012, 03:45

 If x is negative, is x < -3? (1) x2 > 9 (2) x3 < -9   Tags: Inequalities
Guest

5

1965

30 Nov 2011, 13:14

 During a 40-mile trip, Marla traveled at an average speed of
dragonball20cal

6

1295

22 Nov 2013, 01:09

 Yesterday, Nan parked her car at a certain parking garage
ywilfred

7

2128

16 Apr 2015, 06:04

 On his trip from Alba to Benton, Julio drove the first x
sandalphon

11

4379

18 Jul 2011, 23:38

 Is 30 a factor of n 1. 30 is a factor of n^2 2. 30 is a   Tags: Poor Quality
sdanquah

5

2608

19 Jan 2014, 09:42

 What is the value of 5x^2 + 4x-1
faifai0714

2

4091

10 Mar 2012, 09:57

 A coal company can choose to transport coal to one of its
shahnandan

7

1168

11 Jan 2010, 06:31

 The average score of x number of exams is y
laxieqv

14

2482

01 Sep 2011, 10:05

 At the beginning of the last month, a stationery store had
Folaa3

13

2998

22 Jun 2013, 07:45

 10^25 560 is divisible by all of the following EXCEPT: 11 8   Tags:
ggarr

9

1298

30 Apr 2011, 07:14

 is the positive integer n a multiple of 24?
buffett76

6

3473

18 Feb 2013, 04:18

 Is it true that a > b? (1) 2a > 2b (2) a + c > b + c
briozeal

7

1393

29 Mar 2012, 05:11

 Does the product JKMN = 1?
paki

7

2810

01 Nov 2013, 11:40

 Is the standard deviation of ages of students in class A
anandnk

6

1638

06 May 2010, 05:10

 From May 1, 1960, to May 1, 1975, the closing price of a
Puilunchristin

7

2668

12 Sep 2013, 07:23

 What is the remainder when the positive integer n is divided   Tags:
sperumba

10

1145

20 Apr 2015, 11:07

 Is (x^2 + y^2) a perfect square? (1) x is even, y is odd (2)   Tags: Poor Quality
hallelujah1234

6

1386

04 Jan 2011, 05:37

 x^2 + y^2 + z^2| < 4, is |x^2 + z^2| < 1 1. |x^2 +   Tags: Inequalities
hallelujah1234

7

1352

29 Jul 2010, 06:56

aleph777

 Set S consists of 20 different positive integers. How many
axl169

7

3468

09 Oct 2010, 17:39

 If a, b, c, and d are positive integers, is (a/b) (c/d) > c/
saurya_s

10

1872

21 Mar 2013, 03:40

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