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

15

79,070

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

188,727

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

488,287

by: bb

29 Aug 2025, 13:27

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

7,129

by: bumpbot

18 Jul 2025, 04:34

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

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

7,123

by: Adit_

29 Mar 2026, 04:45

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

7,123

by: bumpbot

13 Apr 2022, 02:13

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

7,120

by: bumpbot

12 Jul 2025, 12:25

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

7,118

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

7,116

by: bumpbot

11 May 2024, 13:30

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

7,116

by: bumpbot

21 May 2023, 07:27

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

7,114

by: bumpbot

17 Dec 2025, 00:49

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

7,114

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

7,113

by: bumpbot

13 Nov 2022, 03:44

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

7,113

by: bumpbot

21 Dec 2017, 19:13

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

7,108

by: Bunuel

06 Jan 2026, 09:57

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

7,105

by: bumpbot

16 Jul 2024, 18:29

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

7,103

by: bumpbot

08 Nov 2024, 02:25

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

7,103

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

7,102

by: ADisHere

16 May 2024, 09:43

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

7,102

by: bumpbot

13 May 2024, 10:25

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

7,102

by: bumpbot

15 Aug 2023, 07:45

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

7,100

by: bumpbot

15 Jan 2022, 04:28

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

7,097

by: bumpbot

12 Sep 2025, 09:19

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

7,094

by: bumpbot

31 Jul 2025, 23:11

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

7,092

by: bumpbot

30 Jul 2024, 00:17

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

7,092

by: CrackverbalGMAT

22 Jun 2021, 12:38

ER

What is the ratio of y to x?

Poor Quality

Poor Quality hide tags

SirGMAT

02 Dec 2014, 08:21

15

6

7,089

by: Bunuel

02 Dec 2014, 08:21

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

7,087

by: bumpbot

16 May 2022, 23:55

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

7,087

by: MakSha

03 Jan 2021, 03:32

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

7,084

by: bumpbot

02 Feb 2023, 05:50

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

7,084

by: bumpbot

09 Mar 2019, 05:31

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

7,084

by: nahid007

16 Jan 2017, 22:44

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

7,083

by: bumpbot

13 May 2024, 00:16

ER

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

7,081

by: bumpbot

21 Jan 2023, 11:24

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

7,080

by: bumpbot

11 Feb 2026, 12:59

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

7,080

by: bumpbot

11 Mar 2025, 20:27

ER

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

7,078

by: bumpbot

07 Oct 2024, 20:22

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

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

7,077

by: bumpbot

10 Jun 2023, 10:41

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

7,076

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

7,076

by: bumpbot

19 Sep 2023, 09:48

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

7,074

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

ER

What is the value of x^2 - y^2? (1) x + y = 0 (2) x - y = 2

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

SergeNew

02 Jan 2011, 14:08

18

5

7,071

by: bumpbot

15 Oct 2024, 21:15

ER

Mouse population X doubles every week. How many weeks from now will po

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

16 Dec 2014, 05:41

7

4

7,068

by: bumpbot

16 Jan 2026, 08:19

ER

There is at least one viper and at least one cobra in Pandora's box.

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

10 Jul 2025, 10:32

55

8

7,068

by: Bunuel

25 Dec 2025, 09:53

ER

Triangle PQR has angle PRQ equal to 90 degrees. What is the value of P

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

excelingmat

13 Nov 2015, 04:57

25

7

7,067

by: bumpbot

18 Aug 2021, 07:01

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

7,067

by: EMPOWERgmatRichC

28 Sep 2018, 19:03

ER

ABCD is a quadrilateral in which angle A is 90°.Is ABCD a rectangle?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

DHAR

31 Jul 2017, 00:58

19

6

7,066

by: bumpbot

13 Jan 2024, 00:49

ER

Does Joe weigh more than Tim? (1) Tim’s weight is 80 percent of Joe’s

Sub 505 (Easy) | Percent and Interest Problems

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

Bunuel

03 Oct 2018, 03:10

2

7,064

by: bumpbot

22 Nov 2023, 07:31

ER

If AD is 6, and ADC is a right angle, what is the area of

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

MackyCee

10 Jul 2014, 04:07

5

9

7,064

by: Bunuel

10 Jul 2014, 04:10

ER

If a = 3bc and abc ≠ 0, what is the value of c ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

09 Mar 2020, 05:06

7

4

7,062

by: bumpbot

23 Mar 2022, 04:39