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

176

15

78,816

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

856

24

188,580

by: bumpbot

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

488,014

by: bb

29 Aug 2025, 13:27

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What is the value of x + y? (1) Line A || Line C (2) Line B || Line D

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

MathRevolution

07 Jun 2016, 19:03

2

4

1,926

by: MathRevolution

09 Jun 2016, 20:45

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Does s = 5 - t ? (1) t = 17 - 4s (2) s = 8 - 4t

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

30 May 2016, 13:51

2

2,213

by: adiagr

30 May 2016, 22:21

ER

Is y^2>y*|y|?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

chetan2u

24 May 2016, 09:34

2

4

1,945

by: MathRevolution

25 May 2016, 03:55

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If n and q are positive integers, what is the units digit of q?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

21 Apr 2016, 00:32

2

5

3,301

by: Balajikarthick1990

27 Apr 2016, 04:19

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If z is a positive integer, is z divisible by 480?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

24 Apr 2016, 11:55

2

2,555

by: Balajikarthick1990

24 Apr 2016, 22:51

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If rs ≠ 0, is 1/r + 1/s =

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

gmatpapa

24 Jan 2011, 04:40

2

3

3,133

by: bumpbot

23 Apr 2016, 13:16

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Does x = y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

31 Jan 2016, 08:23

2

4

2,595

by: Donnie84

03 Feb 2016, 19:52

ER

Which is the smallest of three numbers that average 7?

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

Bunuel

17 Jan 2016, 11:03

2

3

2,192

by: EMPOWERgmatRichC

30 Jan 2016, 00:00

ER

Is x greater than y?

505-555 (Easy) | Inequalities, Number Properties

505-555 (Easy) | Inequalities, Number Properties hide tags

Bunuel

17 Jan 2016, 11:11

2

3

3,121

by: happy098

26 Jan 2016, 21:47

What is the value of N?

555-605 (Medium) | Number Properties, Statistics and Sets Problems

555-605 (Medium) | Number Properties, Statistics and Sets Problems hide tags

banksy

16 Mar 2011, 09:03

2

4

3,918

by: hdwnkr

24 Dec 2015, 12:02

ER

If a and b are positive integers, is 2(a+b)^1/2 > 4b^1/2

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

28 Oct 2015, 06:56

2

3

2,176

by: AkshdeepS

28 Oct 2015, 21:50

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What is the value of x?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

28 Oct 2015, 07:12

2

4

1,940

by: Skywalker18

28 Oct 2015, 18:54

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Is xyz = 1? (1) x(y^z) = 1 (2) 5z = 0

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Asmn

28 Aug 2023, 13:23

2

4,374

by: bumpbot

24 Oct 2015, 07:50

ER

Alison, the company CEO, wants to schedule a one-hour meeting on Monda

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

12 Jan 2015, 11:01

2

5

2,339

by: rakshithbabu

23 Oct 2015, 06:28

ER

If a/3 = 4/b , is a less than b?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

06 Oct 2015, 05:56

2

8

4,420

by: asethi

11 Oct 2015, 08:16

ER

Which inequality below most accurately represents the range of possibl

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

24 Aug 2015, 23:37

2

7

2,750

by: etdenlinger

15 Sep 2015, 04:20

ER

A college surveyed 50 students to determine the average

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shobhitb

18 Jun 2006, 06:33

2

12

4,384

by: ENGRTOMBA2018

19 Jul 2015, 07:52

It will rain today. Will it rain tomorrow?

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UMB

15 Jul 2015, 08:00

2

10

45,647

by: georgesanjay

15 Jul 2015, 07:48

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x is a positive integer; what is the value of x? 1) The sum

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

rajatr

25 Apr 2013, 01:50

2

3

5,710

by: bumpbot

26 Jun 2015, 02:03

ER

A charity planned to distribute 'n' pens (n<300) to students

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alphonsa

02 Aug 2014, 01:31

2

2,170

by: IanStewart

23 Jun 2015, 13:32

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Each resident of Ranchville either likes or dislikes Wrestling and eac

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shohrat6383

24 Apr 2015, 08:42

2

6

1,801

by: aimtoteach

27 Apr 2015, 21:04

ER

When 200 laboratory rats were given an experimental medicine

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

rxs0005

12 Feb 2012, 10:33

2

10

3,520

by: shriramvelamuri

29 Jan 2015, 13:19

ER

What is the measure of ∠ABX in the following figure?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

11 Jan 2015, 12:21

2

2,889

by: Bunuel

19 Jan 2015, 03:32

ER

What is the value of x^2 + y^2 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

krazo

24 Nov 2014, 01:45

2

6

4,278

by: Bunuel

24 Nov 2014, 01:45

ER

What is the increasing percent of the price of the company's stocks

555-605 (Medium) | Fractions and Ratios

555-605 (Medium) | Fractions and Ratios hide tags

h31337u

09 Nov 2014, 07:52

2

3

3,142

by: Bunuel

10 Nov 2014, 02:29

A regular hexagon is inscribed in a circle. What is the area

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smartyman

02 Jul 2014, 01:03

2

5,110

by: dmmk

04 Nov 2014, 08:34

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There are two boxes of markers.The first box has only red

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Manik12345

07 Jun 2014, 01:28

2

7

7,798

by: Manik12345

09 Jun 2014, 01:21

ER

What is the value of |y|?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

bagdbmba

24 Jun 2013, 06:10

2

3,512

by: madn800

04 Jun 2014, 19:20

ER

If the point (4,6) lies on line l, and the point (x,3)

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

gauravsoni

08 Dec 2015, 03:34

2

5

5,767

by: Bunuel

21 May 2014, 02:19

ER

Is the positive integer p the sum of the positive prime

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

wininblue

21 Aug 2010, 04:24

2

6

4,879

by: Bunuel

16 Apr 2014, 07:32

ER

If rs#0, is 1/r + 1/s = 4 ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

ggarr

23 Feb 2014, 02:29

2

13

9,288

by: Bunuel

23 Feb 2014, 02:32

ER

In a sequence of terms in which each term is three times the

505-555 (Easy) | Sequences

505-555 (Easy) | Sequences hide tags

hogann

18 Dec 2013, 10:20

2

5,205

by: Bunuel

18 Dec 2013, 10:21

ER

What is the value of (x + y)^4 ?

555-605 (Medium) | Algebra, Number Properties

555-605 (Medium) | Algebra, Number Properties hide tags

GMAT TIGER

17 Oct 2009, 23:27

2

8

4,207

by: Bunuel

11 Oct 2013, 04:28

ER

What is the value of (x - y)^4?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

eresh

03 Jul 2013, 00:34

2

8

6,110

by: Bunuel

03 Jul 2013, 00:37

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Five people - Adam, Bob, Craig, Daniel and Evan - are of dif

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Carcass

26 Jun 2013, 18:26

2

2,282

by: Bunuel

26 Jun 2013, 20:31

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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

4,012

by: tabsang

25 Dec 2012, 05:43

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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

4,462

by: rggoel9

05 Jun 2012, 04:56

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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

5,761

by: aalba005

23 Apr 2012, 12:13

ER

If S is a set of ten consecutive integers, is the integer 5

555-605 (Medium) | Statistics and Sets Problems

555-605 (Medium) | Statistics and Sets Problems hide tags

Jasonammex

24 Aug 2011, 01:47

2

1

5,537

by: Bunuel

19 Feb 2012, 04:38

ER

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

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IanStewart

09 Jan 2012, 23:38

2

4

3,276

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

9,081

by: SonyGmat

09 Jan 2012, 14:45

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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

6,467

by: gmatmachoman

26 Aug 2011, 12:32

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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

2,779

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

3,189

by: IanStewart

20 May 2011, 06:32

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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

4,795

by: spacelandprep

08 Mar 2011, 16:25

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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

6,881

by: Bunuel

03 Dec 2010, 05:58

ER

Is the square root of "a" an integer? (1) the last

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nusmavrik

02 Aug 2010, 04:26

2

6

5,729

by: Bunuel

19 Oct 2010, 09:51

ER

Find an integer n?

505-555 (Easy) | Absolute Values, Exponents

505-555 (Easy) | Absolute Values, Exponents hide tags

stolyar

22 May 2003, 01:09

2

5,637

by: Bunuel

16 Aug 2010, 09:55

ER

A freight train traveled from North Terminal to East Terminal

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

Bunuel

28 Apr 2026, 19:00

3

5

124

by: Bunuel

01 May 2026, 04:30

ER

A publishing company allocated its entire annual operating budget

555-605 (Medium) | Percent and Interest Problems

555-605 (Medium) | Percent and Interest Problems hide tags

Bunuel

28 Apr 2026, 19:00

3

4

120

by: Bunuel

01 May 2026, 03:00