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# GMAT Data Sufficiency (DS)

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 150 Hardest and easiest questions for DS   Tags:
Bunuel

2

80

21 Aug 2015, 04:20

278
 DS Question Directory by Topic and Difficulty
bb

0

87947

07 Mar 2012, 07:58

Topics

1
 S is a set of integers such that i) if a is in S, then –a is
ju_1

3

3011

30 Jul 2012, 05:36

11
 What is the probability that a student randomly selected
nocilis

28

13834

02 Dec 2014, 18:35

3
 Set T is an infinite sequence of positive integers. A
stardustsparklin

9

1899

11 Jun 2015, 05:54

1
 Is x divisible by 30? (1) X = k*(m^3 - m), where m and k are   Tags: Number Properties
AkamaiBrah

10

1756

04 Nov 2010, 14:20

2
 If pq ≠ 0, is x an integer?
ice t

8

1909

23 Feb 2015, 12:06

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

5

2607

19 Jan 2014, 09:42

5
 What was the average (arithmetic mean) monthly rainfall
Curly05

6

2695

23 Feb 2015, 11:45

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

10

1871

21 Mar 2013, 03:40

4
 Is x > y?
Konstantin Lynov

8

2242

07 Jan 2015, 04:28

6
 If n is a positive integer, what is the tens digit of n ?
mbassmbass04

4

6834

22 May 2014, 12:12

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

15

1767

11 Jun 2010, 21:46

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

9

2765

02 Dec 2010, 13:05

1
 What is the tenth term in a series of 89 consecutive
brstorewala

13

4274

10 Oct 2010, 14:59

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

7

2127

16 Apr 2015, 06:04

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

4

2217

16 Aug 2010, 23:05

15
 When a die that has one of six consecutive integers on each
ruhi

13

2678

26 Nov 2014, 10:31

7
 If p1 and p2 are the populations and r1 and r2 are
MA

18

5040

11 Oct 2014, 23:09

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

15

2212

03 Jun 2010, 12:43

8
 Find integer W. (1) W is a prime solution of (|W|)!=|W| (2)
stolyar

8

2580

04 Aug 2015, 05:36

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

10

1817

23 Mar 2011, 23:54

4
 Is x > 0?
afife76

19

2379

27 Feb 2014, 10:16

2
 If the ratio of integers a, b, and c is 1 : 2 : 3, what is
mike8c

3

2407

05 Sep 2013, 04:08

2
 In the xy-plane, what is the slope of line l?
saurya_s

4

2082

23 Jan 2014, 10:34

14
 A certain list consists of 3 different numbers. Does the med
karovd

10

3074

01 Sep 2015, 10:36

5
 Each week a certain salesman is paid a fixed amount equal to
carsen

5

4113

09 Sep 2013, 01:03

7
 What is the ratio of the average (arithmetic mean) height of

11

7557

09 Feb 2015, 11:29

 Seven different numbers are selected from the integers   Tags:
maitri_mehta

4

1224

05 Apr 2011, 18:23

2
 If a and b are positive integers, what is the value of a + b
gayathri

7

1195

12 Aug 2014, 06:01

 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

3639

19 Jan 2012, 03:45

3
 If z^n = 1, what is the value of z?
ninomoi

7

1128

13 Sep 2013, 07:56

 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

1
 If a < x < b and c < y < d, is x < y?
vivek_dj

4

2453

19 Sep 2013, 09:45

49
 Mary persuaded n friends to donate \$500 each to her election   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Word Problems,  Source: GMAT Prep
seofah

25

11076

10 Aug 2015, 01:55

9
 If Carmen had 12 more tapes, she would have twice as many tapes as Raf
MartinMag

7

5382

15 Sep 2014, 20:23

3
 Is 1/8 < n < 1/6 ?
FN

8

1494

25 Oct 2014, 06:13

3
 If sqrt(n) is a positive integer, what is the value of n?
gayathri

14

3429

08 Nov 2014, 07:37

49
 Does the curve (x-a)^2 + (y-b)^2=16 intersect the y-axis ?
christoph

15

6615

01 Aug 2015, 03:26

22
 If set S consists of even number of integers, is the median   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Statistics and Sets Problems,  Source: GMAT Club Tests
mirhaque

35

8440

11 Oct 2014, 03:06

1
 If y is an integer, is y^3 divisible by 9? 1) y is divisible
ftoor

10

1483

05 Dec 2011, 04:34

4
 In the figure above, O is the center of the circle. If OP
rc197906

16

3694

04 Aug 2015, 04:02

2
 The base of a rectangular block has an area of 60 square
anandnk

14

2963

16 May 2014, 01:44

1
 If x is equal to either 2/3 or 3/8 and y is equal to either
gayathri

3

1443

19 Sep 2013, 21:50

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