GMAT Data Sufficiency (DS) Forum - Free Practice Questions

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Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

179

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16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

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Bunuel

01 Jan 2026, 05:45

858

24

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16 Sep 2025, 06:05

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DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,623

by: bb

29 Aug 2025, 13:27

Is x^3-6x^2+11x-60?

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Sergiy

18 Apr 2013, 04:19

4

3,375

by: Sergiy

22 Apr 2013, 23:35

Is j-k > 1/j - 1/k ?

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guerrero25

13 Apr 2013, 12:00

4

5

3,797

by: mau5

15 Apr 2013, 11:09

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Is P the youngest of P,Q ,R and S?

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siddharthamaridi

14 Nov 2012, 02:30

4

19,664

by: VeritasPrepRon

21 Mar 2013, 10:51

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A certain electronic memory game is played by answering equa

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ankitD

09 Feb 2013, 04:54

1

5

3,014

by: IanStewart

10 Feb 2013, 07:24

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In a class, each of the students were asked to pick an integ

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tabsang

25 Dec 2012, 01:59

2

4,018

by: tabsang

25 Dec 2012, 05:43

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If f(x) = 2^x + 2^-2, and x is an integer

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gmatbull

06 Dec 2012, 05:07

3

2,498

by: mikemcgarry

07 Dec 2012, 12:05

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(x-x_1)*(x-x_2)*(x-x_3)........(x-x_n)

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MacFauz

04 Dec 2012, 01:11

6

5,554

by: MacFauz

06 Dec 2012, 01:52

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A number n has the prime factors a, b, and c, and only these

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actleader

06 Nov 2012, 22:59

3

4,359

by: dabral

07 Nov 2012, 14:37

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What is the value of x^2+ 5x +4?

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nkimidi7y

05 Sep 2012, 12:30

4

15

5,315

by: AbhiJ

31 Oct 2012, 12:56

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What is the probability that a field gun will hit thrice on

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Smita04

09 Feb 2012, 23:35

21

6

10,284

by: Bunuel

29 Oct 2012, 13:49

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What is the slope of the line L ?

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shivanigs

11 Sep 2012, 22:30

8

4

11,391

by: Bunuel

12 Sep 2012, 02:13

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If sets X and Y have an equal number of elements, does set X have a

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enigma123

23 Nov 2011, 13:58

26

7

19,567

by: alphabeta1234

01 Aug 2012, 18:44

What is the value of X

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jayoptimist

04 Jul 2012, 09:23

3

2,572

by: cyberjadugar

04 Jul 2012, 10:42

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What is the remainder when n is divided by 15?

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mithun2vrs

27 Apr 2012, 11:03

9

5

9,908

by: Bunuel

12 Jun 2012, 04:56

X and Y are positive numbers. Is the hundredth digit of XY

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g81

06 Jun 2012, 13:38

1

2

2,438

by: g81

06 Jun 2012, 14:05

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If r/s = 2/5 , what is the value of rs ?

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piyatiwari

30 May 2012, 17:27

2

4

4,474

by: rggoel9

05 Jun 2012, 04:56

If the market value of a car was $6,000 exactly 3 years ago

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hfbamafan

08 May 2012, 22:28

8

2

10,032

by: chibiutena

09 May 2012, 09:38

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If x does not equal 0 what is the value of (x^p/x^q)^2

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Viking81

18 Apr 2012, 01:48

2

3

5,770

by: aalba005

23 Apr 2012, 12:13

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Three Children Alice, Brain & Chris have a total of

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qweert

07 Aug 2010, 22:30

6

10

5,119

by: Bunuel

29 Mar 2012, 05:16

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How far in miles is city A from city B?

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Smita04

11 Feb 2012, 05:10

3

4

5,888

by: mikemcgarry

11 Feb 2012, 15:35

Square ABCD encloses a circle of area 154 at its center

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Smita04

09 Feb 2012, 23:11

6

2,792

by: sdas

11 Feb 2012, 08:27

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is (a-b)/c >0? 1. a>b, b<c 2. a<b, b<c

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Creeper300

07 Nov 2010, 13:44

3

2

3,475

by: metallicafan

03 Feb 2012, 11:39

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If X^3 = Y, is Y a fraction? (1) X^2 is a fraction. (2) X

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saurya_s

05 Aug 2004, 03:11

3

7,727

by: Bunuel

19 Jan 2012, 04:45

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d=83,521,y73/441,682,36y. In the expression above

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enigma123

09 Jan 2012, 22:05

14

4

12,455

by: omerrauf

17 Jan 2012, 08:44

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Is |x-2|+|x+2|<4?

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IanStewart

09 Jan 2012, 23:38

2

4

3,282

by: mydreammba

13 Jan 2012, 21:45

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In the figure above, what is the ratio of the area of triangle ABC to

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SonyGmat

08 Jan 2012, 04:59

2

9

9,095

by: SonyGmat

09 Jan 2012, 14:45

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Is it true that exactly two of the three sentences I, II,

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nonameee

02 Nov 2011, 07:26

1

5

2,635

by: nonameee

03 Nov 2011, 04:46

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If x and y are integers, is |x| > |y|? 1) |x| = |y+1| 2)

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bibha

05 May 2010, 07:28

2

19

6,489

by: gmatmachoman

26 Aug 2011, 12:32

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When a class is divided into 6 teams with an equal number of

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loveparis

09 Feb 2011, 16:40

1

4

5,344

by: anordinaryguy

17 Aug 2011, 10:00

If S is an infinite set of real numbers, is there a number

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tracyyahoo

24 Jul 2011, 03:33

11

12

7,385

by: petrifiedbutstanding

13 Aug 2011, 08:39

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If set S consists of an odd number of even integers that have a normal

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Pique

16 May 2011, 22:03

4

3,589

by: manishgeorge

12 Aug 2011, 22:33

What is the perimeter of the isosceles right triangle ABC

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rxs0005

11 Jul 2013, 02:23

7

10

4,798

by: Sudhanshuacharya

16 Jul 2011, 11:42

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If x!=0, what is the value of (x^p/x^q)^2 ? (1) p is

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dreambeliever

10 Jun 2011, 07:24

2

8

2,801

by: IanStewart

10 Jun 2011, 10:52

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The positive integers are such that p < q r < s <

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hussi9

20 May 2011, 00:34

2

3

3,205

by: IanStewart

20 May 2011, 06:32

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What is value of the fraction x/y? 1) x-y = 14 2) 2x = 5y

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TrueLie

02 May 2011, 03:06

3

12

4,975

by: amit2k9

04 May 2011, 07:50

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A certain company assigns ID numbers to its new employees such that ea

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gmatpapa

19 Apr 2011, 05:42

1

4

3,929

by: Spidy001

20 Apr 2011, 14:27

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Is the triangle in the attached picture isosceles?

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retro

16 Apr 2011, 10:56

7

2,696

by: fluke

16 Apr 2011, 12:19

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Is x > sqrt(3)? (1) 3^(x) = sqrt(27) (2)x^3 + x^5 + x^7

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spacelandprep

07 Mar 2011, 11:14

2

10

4,807

by: spacelandprep

08 Mar 2011, 16:25

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Are two triangles congruent? (I) They are both equilateral

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Hussain15

28 Jun 2009, 05:04

5

3

8,226

by: IanStewart

18 Feb 2011, 12:50

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If c and k are distinct positive integers, is c divisible by

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gmatpapa

24 Jan 2011, 01:01

8

2

3,433

by: gmatpapa

24 Jan 2011, 03:38

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What is the value of {M - N} / {M^2 - N^2}? 1. {M^2 - N^2} =

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kylexy

26 Oct 2009, 08:56

14

5,772

by: Fairness

06 Jan 2011, 09:39

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Is (x^2 + y^2) a perfect square? (1) x is even, y is odd (2)

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hallelujah1234

16 Apr 2004, 16:56

1

6

5,341

by: Bunuel

04 Jan 2011, 06:37

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If 8 < k < 8, is k < 2 ?

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rxs0005

21 Dec 2010, 16:33

3

4

3,762

by: tirupatibalaji

24 Dec 2010, 06:56

A right polygon is inscribed in a circle. How many sides

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aalriy

10 Dec 2010, 08:05

1

2

5,012

by: aalriy

10 Dec 2010, 10:58

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Is x an integer? -- x is evenly divisible by 1/2

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fghasemi

03 Dec 2010, 05:40

2

1

6,894

by: Bunuel

03 Dec 2010, 05:58

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A biker travels from point A to Point C in a straight line

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Creeper300

07 Nov 2010, 13:53

2

2,853

by: KarishmaB

08 Nov 2010, 10:04

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a^2+b^2=6, a+b=? 1. b-a=2 2. a=-b

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Creeper300

07 Nov 2010, 00:56

1

5

3,649

by: KarishmaB

07 Nov 2010, 07:14

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Joe is older to Lloyd by five years. Ten years ago, John was

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powerka

29 Aug 2009, 00:13

9

5,894

by: chuotnhat1704

30 Oct 2010, 02:55

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Given a set {x, y, z}, if the first term in the data set

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v1rok

08 Aug 2012, 05:04

3

5

13,229

by: shrouded1

28 Oct 2010, 03:37

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In the decimal above, each of X and Y represent a single

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hemanthp

20 Oct 2010, 00:06

3

7

4,839

by: IanStewart

27 Oct 2010, 07:16