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

178

15

79,011

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

857

24

188,694

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

488,209

by: bb

29 Aug 2025, 13:27

ER

If x and y are integers, is the product xy odd?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

amirdubai1982

27 Jul 2015, 14:31

1

8

7,066

by: EMPOWERgmatRichC

28 Sep 2018, 19:03

ER

a^2 b^2 = b^2 c^2. Is a = |b|?

805+ (Hard) | Absolute Values

805+ (Hard) | Absolute Values hide tags

nroy347

14 Sep 2013, 12:46

21

3

7,071

by: bumpbot

10 Jun 2023, 10:41

ER

How many hours did Suresh travel yesterday?

705-805 (Hard) | Distance and Speed Problems

705-805 (Hard) | Distance and Speed Problems hide tags

SVaidyaraman

19 Mar 2013, 23:11

43

12

7,071

by: bumpbot

18 May 2025, 09:35

ER

Is x/y < xy ? (1) xy > 0 (2) y < -1

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

26 Jan 2021, 01:15

24

10

7,071

by: bumpbot

21 Jul 2025, 03:13

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Is (a - k)/(b - k) > (a + k)/(b + k) ? (1) a > b > k (2) k > 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

bagdbmba

31 Jul 2013, 10:50

33

12

7,072

by: bumpbot

07 Oct 2024, 20:22

ER

Each of 30 parents chose one of five days from Monday throug

705-805 (Hard) | Arithmetic

705-805 (Hard) | Arithmetic hide tags

banksy

14 Mar 2011, 16:31

25

6

7,072

by: HarshG7

20 Sep 2025, 02:48

ER

In multiplication of the two digit numbers wx and cx, where w, x, and

805+ (Hard) | Arithmetic, Number Properties

805+ (Hard) | Arithmetic, Number Properties hide tags

Bunuel

11 Apr 2018, 09:09

68

6

7,074

by: bumpbot

19 Sep 2023, 09:48

ER

If x and y are distinct positive integers. . .

655-705 (Hard) | Multiples and Factors, Remainders

655-705 (Hard) | Multiples and Factors, Remainders hide tags

EgmatQuantExpert

11 Nov 2016, 05:50

20

7

7,078

by: bumpbot

08 Jan 2024, 08:23

In triangle HGM, what is the length of side HM?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

adkikani

21 Nov 2018, 08:12

7

3

7,078

by: bumpbot

13 May 2024, 00:16

ER

How long did Mr. X take to cover 5000 km journey with 10 stopovers?

555-605 (Medium) | Distance and Speed Problems

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

excelingmat

10 Oct 2015, 07:43

6

5

7,078

by: bumpbot

11 Feb 2026, 12:59

ER

What is the length of the chord AB

605-655 (Medium) | Coordinate Plane, Geometry

605-655 (Medium) | Coordinate Plane, Geometry hide tags

kenguva

30 Jan 2012, 03:14

19

6

7,079

by: bumpbot

09 Mar 2019, 05:31

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If p and q are integers greater than zero, what is the value of pq?

Sub 505 (Easy) | Multiples and Factors, Number Properties

Sub 505 (Easy) | Multiples and Factors, Number Properties hide tags

Bunuel

23 Sep 2015, 22:47

8

7,079

by: bumpbot

21 Jan 2023, 11:24

ER

What is the value of x?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

GMATBusters

01 Nov 2018, 08:04

10

4

7,079

by: bumpbot

02 Feb 2023, 05:50

In the xy –plane, is point (2, – 3) on line ℓ ?

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Carcass

31 Oct 2018, 10:20

10

3

7,079

by: bumpbot

30 Jul 2024, 00:17

ER

If set N contains only consecutive positive integers, what

555-605 (Medium) | Statistics and Sets Problems

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

christoph

12 Oct 2013, 17:28

21

12

7,079

by: bumpbot

11 Mar 2025, 20:27

ER

In a work force, the employees are either managers or directors. What

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

GMATnavigator

17 Aug 2015, 01:39

5

2

7,080

by: nahid007

16 Jan 2017, 22:44

ER

GMAT Club Around The World!!! A circle is inscribed in a square. What

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

1, 2

Bunuel

31 Dec 2020, 03:00

1

20

7,082

by: MakSha

03 Jan 2021, 03:32

ER

What is the value of 2^a*4^b?

Sub 505 (Easy) | Exponents

Sub 505 (Easy) | Exponents hide tags

Bunuel

04 Nov 2014, 09:47

9

8

7,085

by: bumpbot

16 May 2022, 23:55

ER

What is the ratio of y to x?

Poor Quality

Poor Quality hide tags

SirGMAT

02 Dec 2014, 08:21

15

6

7,088

by: Bunuel

02 Dec 2014, 08:21

ER

A cake recipe uses a constant ratio of 2 teaspoons vanilla extract to

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

mun23

25 Feb 2013, 12:17

13

2

7,088

by: bumpbot

31 Jul 2025, 23:11

ER

Is r greater than 0.27? (1) r is greater than 1/4 (2) r is equal to 3/

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

23 Sep 2018, 05:03

2

3

7,089

by: CrackverbalGMAT

22 Jun 2021, 12:38

ER

If x and y are positive integers, is the total number of positive divi

805+ (Hard) | Multiples and Factors, Number Properties

805+ (Hard) | Multiples and Factors, Number Properties hide tags

vienbuuchau

25 Dec 2016, 06:38

61

5

7,093

by: bumpbot

15 Aug 2023, 07:45

ER

A shop offers candy bars for sale either individually or in packs of

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

11 Aug 2025, 05:16

12

4

7,096

by: bumpbot

12 Sep 2025, 09:19

ER

If xyz 0, is x(y + z) = 0?

655-705 (Hard) | Absolute Values, Algebra

655-705 (Hard) | Absolute Values, Algebra hide tags

Bunuel

27 Feb 2020, 00:24

26

6

7,097

by: bumpbot

08 Nov 2024, 02:25

ER

If xy > 0, does xy y = 3? (1) xy = 3 (2) y 1 = 0

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

rxs0005

04 Dec 2010, 03:10

18

9

7,099

by: bumpbot

15 Jan 2022, 04:28

ER

During a 7-year period the profits of Midas, Inc. changed by

555-605 (Medium) | Percent and Interest Problems

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

ankithakhu

28 Mar 2010, 01:57

19

12

7,099

by: bumpbot

13 May 2024, 10:25

ER

If the product of X and Y is a positive number, is the sum of X and Y

605-655 (Medium) | Inequalities, Number Properties

605-655 (Medium) | Inequalities, Number Properties hide tags

Bunuel

31 May 2016, 05:46

5

4

7,101

by: fskilnik

09 Oct 2018, 11:40

ER

Three brothers shared all the proceeds from the sale of their inherite

555-605 (Medium) | Fractions and Ratios, Word Problems

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

Bunuel

24 Feb 2016, 04:26

11

7

7,101

by: ADisHere

16 May 2024, 09:43

Is |p|^2<|p| ? (1) p^2 <= 1 (2) p^2 - 1 not 0

705-805 (Hard) | Absolute Values, Inequalities

705-805 (Hard) | Absolute Values, Inequalities hide tags

Zarrolou

17 Jul 2024, 00:06

37

13

7,103

by: bumpbot

16 Jul 2024, 18:29

ER

An insurance company sells only one type of health and one type of

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

06 Jan 2026, 09:12

13

7

7,107

by: Bunuel

06 Jan 2026, 09:57

ER

What is the value of (n + 1)^2?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

01 Jun 2016, 04:30

4

7,110

by: bumpbot

21 Dec 2017, 19:13

If a and b are positive integers, is ab < 6?

605-655 (Medium) | Algebra, Inequalities

605-655 (Medium) | Algebra, Inequalities hide tags

Bunuel

26 Sep 2016, 03:27

13

9

7,110

by: bumpbot

04 Apr 2023, 05:11

ER

If x, y, and z are distinct integers, which integer is the median of t

805+ (Hard) | Arithmetic, Sequences

805+ (Hard) | Arithmetic, Sequences hide tags

AbdurRakib

15 Nov 2018, 04:08

29

9

7,111

by: bumpbot

13 Nov 2022, 03:44

ER

If the only stocks that an investor owns are 75 shares of

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

rpamecha

18 Apr 2012, 11:02

3

7,112

by: bumpbot

17 Dec 2025, 00:49

ER

Set A contains distinct integers: A = {2,4,6,-8,x,y}. When two numbers

805+ (Hard) | Absolute Values, Probability

805+ (Hard) | Absolute Values, Probability hide tags

Bunuel

09 Mar 2016, 12:34

42

5

7,113

by: bumpbot

21 May 2023, 07:27

ER

If the infinite sequence, M, is defined as M1 = 6, M2 = 96,

605-655 (Medium) | Sequences

605-655 (Medium) | Sequences hide tags

mrinal2100

09 Oct 2010, 23:02

20

5

7,114

by: Adit_

29 Mar 2026, 04:45

ER

If xy ≠ 0, is 1/x +1/y = 16?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

blingbling

23 Nov 2014, 05:41

4

7,115

by: bumpbot

18 Feb 2020, 22:20

ER

If a*b 0, is |a|/|b| = a/b? (1) |a*b| = a*b (2) |a|/|b| = |a/b|

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

devinawilliam83

11 May 2024, 13:34

12

3

7,115

by: bumpbot

11 May 2024, 13:30

ER

Is x an even number? (1) x^3 + x^2 = 0 (2) x^2 + |x| = 0

605-655 (Medium) | Absolute Values +2 tags

605-655 (Medium) | Absolute Values, Algebra, Number Properties hide tags

Bunuel

04 Dec 2018, 03:09

36

12

7,117

by: bumpbot

12 Jul 2025, 12:25

ER

If x equally priced shares of a certain stock were valued

655-705 (Hard) | Percent and Interest Problems, Word Problems

655-705 (Hard) | Percent and Interest Problems, Word Problems hide tags

enigma123

15 Mar 2012, 01:30

16

3

7,119

by: bumpbot

13 Apr 2022, 02:13

ER

Last year 4/5 of the applicants for a job on a police force passed the

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

16 Dec 2014, 05:47

11

8

7,119

by: bumpbot

18 Jul 2025, 04:34

ER

If m and n are positive two-digit integers, what is the value of the

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

Bunuel

06 Sep 2022, 06:20

20

6

7,126

by: bumpbot

25 Jun 2025, 21:41

ER

Is w less than y?

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

BillyZ

24 Jan 2017, 22:33

1

4

7,128

by: bumpbot

20 Sep 2021, 04:49

ER

Is (y - 3x)/(y - 2x) > 1?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

BrentGMATPrepNow

30 Jan 2017, 10:11

47

8

7,128

by: bumpbot

21 Sep 2024, 22:31

ER

What was a certain company's revenue last year?

Sub 505 (Easy) | Percent and Interest Problems, Word Problems

Sub 505 (Easy) | Percent and Interest Problems, Word Problems hide tags

Bunuel

03 Mar 2020, 03:46

7

3

7,129

by: APram

28 Jul 2025, 12:42

ER

M and N are both nonzero integers. Is M/N a prime number?

605-655 (Medium) | Absolute Values, Number Properties

605-655 (Medium) | Absolute Values, Number Properties hide tags

Kiski

24 Jul 2014, 04:32

11

15

7,131

by: bumpbot

02 Feb 2023, 07:16

ER

Does the line L intersect the graph of the curve y = x^2 – 6?

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

TARGET730

17 Feb 2015, 04:33

40

14

7,131

by: bumpbot

30 Jul 2023, 06:06

ER

If 4 small boxes and 5 big boxes have the same weight as 11 small

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

09 Oct 2010, 12:07

7

2

7,132

by: bumpbot

08 Oct 2025, 07:39

ER

If x is an integer, is x even?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

valerjo79

20 Nov 2012, 00:15

7

6

7,135

by: bumpbot

08 Jul 2019, 00:46

ER

Representation in a local community board is based on the

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

sagarsabnis

27 May 2015, 03:35

5

12

7,135

by: bumpbot

30 Jan 2022, 01:35