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

79,084

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

857

24

188,732

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

488,296

by: bb

29 Aug 2025, 13:27

ER

Is x > 1? (1) 2x + 5 > 2 - x (2) |x - 12| = 12 - 3x

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

fitzpratik

04 Feb 2019, 08:01

1

6

2,155

by: Archit3110

03 Mar 2019, 04:40

ER

if a and b denote two prime numbers, is the product ab <10?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

fitzpratik

08 Mar 2019, 21:53

2

1,493

by: BrentGMATPrepNow

09 Mar 2019, 10:38

ER

If x>y, then is 1/x < 1/y?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

fitzpratik

28 Nov 2018, 10:01

2

3

5,536

by: AvidDreamer09

17 Apr 2019, 12:22

If a and b are positive integers, what is the digit at the units place

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

fitzpratik

20 Apr 2019, 09:13

5

3

1,334

by: mykrasovski

25 Apr 2019, 06:33

ER

The biggest possible sphere is inscribed in a cube

Poor Quality

Poor Quality hide tags

fitzpratik

01 May 2019, 04:05

2

1

3,277

by: IanStewart

03 May 2019, 05:56

What is the value of X?

555-605 (Medium) | Algebra, Arithmetic

555-605 (Medium) | Algebra, Arithmetic hide tags

fitzpratik

18 Jan 2019, 08:59

8

5

2,460

by: bumpbot

09 Jun 2020, 16:06

ER

What is the Greatest Common Factor of Three positive, nonzero numbers

655-705 (Hard) | Multiples and Factors

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

fitzpratik

09 Jan 2019, 07:19

4

3

1,886

by: bumpbot

14 May 2022, 23:52

ER

A box contains only red chips, green chips and blue chips. If a chip i

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

fitzpratik

27 Aug 2017, 19:51

7

8,398

by: bumpbot

22 Dec 2022, 12:11

ER

If x and y are integers, is x = y ? (1) x! = y! (2) x^y = x

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

fitzpratik

06 Dec 2018, 06:40

26

6

3,732

by: bumpbot

03 Apr 2023, 06:48

Is n = 0? (1) n! = 1 (2) n^2 = n^3 = n^5

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

fitzpratik

21 Oct 2018, 19:12

2

1,619

by: bumpbot

25 Oct 2023, 21:25

ER

In a sequence S, each term, after first term,

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

fitzpratik

20 Mar 2019, 20:25

25

3

6,182

by: bumpbot

12 Oct 2024, 04:40

ER

If n is an integer, is n-2 a prime number?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

FJ24

25 Jul 2019, 23:20

5

2

2,301

by: FJ24

27 Jul 2019, 12:56

ER

If k is a positive integer, is k^(1/2) an integer? 1) k = m^2,

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

FJ24

06 Aug 2019, 18:40

5

3

2,582

by: bumpbot

08 Jun 2021, 04:27

ER

If x≠ -y and N = (2x + y)/(x + y), what is the value of N?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

fla162

27 Oct 2015, 22:14

2

2,171

by: bumpbot

13 Jan 2022, 01:40

ER

What is y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

flower07

13 Dec 2013, 16:31

9

6

4,342

by: bumpbot

20 Jan 2022, 06:13

ER

If x ≠ y, what is the value of x + y?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

flower07

13 Dec 2013, 06:49

6

2

2,826

by: bumpbot

28 Jun 2024, 15:02

ER

For the four-digit number ABCD , where A, B, C, and D all

805+ (Hard) | Arithmetic, Number Properties

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

fluke

15 May 2011, 15:01

54

12

13,412

by: bumpbot

02 Aug 2023, 07:38

ER

In the figure above, what is the product of the lengths of A

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

fluke

30 Jan 2011, 06:18

21

10

10,838

by: bumpbot

13 May 2024, 19:26

ER

On the xy-coordinate plane, a quadrilateral is bounded by

705-805 (Hard) | Coordinate Plane, Geometry

705-805 (Hard) | Coordinate Plane, Geometry hide tags

fluke

17 May 2011, 04:07

32

15

12,281

by: bumpbot

24 May 2025, 05:50

ER

Is z an even integer? (1) z/2 is an even integer (2) 3z is an even

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

fluke

05 May 2011, 00:27

81

15

16,660

by: bumpbot

07 Jun 2025, 10:51

ER

Are the majority of salespeople employed by XYZ Company commissioned?

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

fluke

29 Jan 2011, 06:34

6

3

4,181

by: bumpbot

05 Feb 2026, 03:16

ER

Is 1/8 < n < 1/6 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

FN

25 Oct 2014, 06:00

9

4,957

by: CrackverbalGMAT

27 Oct 2021, 22:24

ER

If a and b are positive integers, what is the value of a - b?

555-605 (Medium) | Algebra, Exponents

555-605 (Medium) | Algebra, Exponents hide tags

FN

01 Jan 2019, 00:16

42

13

10,761

by: bumpbot

29 Nov 2022, 00:44

ER

In the xy-plane is the slope of line k equal to 0?

Poor Quality

Poor Quality hide tags

fozzzy

18 Jun 2013, 01:37

70

8

29,647

by: Bunuel

01 Apr 2014, 08:21

ER

At the end of year X, was the number of self-employed men mo

555-605 (Medium) | Percent and Interest Problems

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

fozzzy

06 Jul 2013, 03:25

1

3

3,554

by: bumpbot

09 Jan 2016, 14:49

ER

A transportation token is originally a circle. When collecte

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

fozzzy

23 Jun 2013, 02:59

3

4

2,556

by: bumpbot

26 Aug 2016, 07:52

ER

If a^5b^3c^6 < 0, is abc < 0?

605-655 (Medium) | Algebra, Inequalities

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

fozzzy

08 Jul 2013, 00:43

8

4

3,625

by: yezz

07 Dec 2016, 09:27

ER

If an aquarium which has the shape of a rectangular solid is

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

fozzzy

17 Sep 2013, 01:38

2

4

2,994

by: bumpbot

01 Jan 2017, 01:30

ER

At a fair, tickets for rides cost 50 cents each. If Tim spen

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

fozzzy

11 Sep 2013, 05:20

3

8

3,955

by: bumpbot

13 Jan 2018, 01:05

ER

At Garcia's market a certain brand of cocoa is sold in boxes

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

fozzzy

07 Sep 2013, 01:56

4

3

2,346

by: bumpbot

19 Apr 2020, 13:39

ER

The X boys and Y girls in a certain class took a math test.

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

fozzzy

17 Sep 2013, 01:59

3

4

3,966

by: bumpbot

24 Jun 2020, 06:55

ER

Given x not equal to -1, is 1/(1 + x) > 1 - x + x^2 ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

fozzzy

10 Jul 2013, 00:40

6

5

2,933

by: bumpbot

29 Sep 2020, 06:03

ER

What is the cost per ounce of the soda in a certain carton?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

fozzzy

17 Sep 2013, 01:26

1

5

2,757

by: bumpbot

20 Jan 2021, 10:45

ER

In year X what percent of the 90 million jobs provided by co

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

fozzzy

17 Sep 2013, 01:53

3

2

2,787

by: bumpbot

20 Jan 2021, 10:45

ER

Given the linear equation y = kx + n, for what values of x w

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

fozzzy

12 Jun 2013, 03:04

5

2

4,774

by: bumpbot

28 Jun 2021, 09:14

ER

The lines m, l, and n intersect at point Q. What are the mea

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

fozzzy

15 Jun 2013, 05:44

8

6

4,833

by: bumpbot

23 Jul 2021, 09:00

ER

From 2005 to 2006, by what percent did the sales of Company

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

fozzzy

28 Jun 2013, 08:03

4

6

4,229

by: bumpbot

25 Aug 2021, 04:39

ER

What fraction of the square region in the figure above is shaded?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

fozzzy

27 Feb 2018, 10:41

24

6

19,938

by: bumpbot

06 Dec 2021, 09:43

ER

In the figure to the left, what is the ratio of CD/AD ?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

fozzzy

15 Jun 2013, 06:58

4

2,976

by: bumpbot

11 Jan 2022, 20:36

ER

A trustee invested a total of $100,000, more than half of wh

605-655 (Medium) | Percent and Interest Problems

605-655 (Medium) | Percent and Interest Problems hide tags

fozzzy

07 Sep 2013, 04:08

4

3

3,845

by: bumpbot

09 Aug 2022, 10:35

ER

Two cars are traveling side-by-side along the same road. At

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

fozzzy

22 Jun 2013, 23:50

6

8

5,222

by: bumpbot

30 Aug 2022, 23:01

ER

Is x a prime number? (1) x is an even number. (2) x cannot be divided

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

fozzzy

20 Dec 2012, 01:16

12

10

14,121

by: bumpbot

15 Sep 2022, 23:07

ER

The figure above shows a construction plan for the intersect

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

fozzzy

17 Jan 2013, 07:25

60

15

17,239

by: bumpbot

24 Nov 2022, 08:30

ER

What is the value of a two-digit positive integer n, where i

705-805 (Hard) | Multiples and Factors, Number Properties

705-805 (Hard) | Multiples and Factors, Number Properties hide tags

fozzzy

17 Jun 2013, 02:19

13

6

4,167

by: bumpbot

11 Jul 2023, 04:49

ER

A supermarket sells a certain brand of jelly in two jars of different

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

fozzzy

24 Jan 2019, 04:38

40

5

15,680

by: bumpbot

07 Oct 2023, 04:31

ER

If the pages of a term paper were numbered consecutively, wi

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

fozzzy

11 Sep 2013, 08:07

12

3

4,118

by: Bunuel

17 Oct 2023, 04:57

ER

Is quadrilateral MNOP a square?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

1, 2

fozzzy

17 Jan 2013, 05:53

70

21

22,487

by: bumpbot

07 Nov 2023, 19:17

ER

If n is an integer and k = 9.87 X 10^n, what is the value of

555-605 (Medium) | Exponents, Inequalities

555-605 (Medium) | Exponents, Inequalities hide tags

fozzzy

12 Feb 2024, 14:01

35

12

6,344

by: Bunuel

13 Feb 2024, 01:02

ER

If n is a positive integer and the tens digit of n+8 is 6, w

805+ (Hard) | Fractions and Ratios, Number Properties

805+ (Hard) | Fractions and Ratios, Number Properties hide tags

fozzzy

18 Aug 2013, 05:31

10

13

6,730

by: bumpbot

19 Apr 2024, 16:13

ER

If n is a positive integer, what is the units digit of n?

655-705 (Hard) | Fractions and Ratios, Number Properties

655-705 (Hard) | Fractions and Ratios, Number Properties hide tags

fozzzy

16 Jun 2013, 00:10

60

7

13,151

by: DmitryFarberMPrep

18 May 2024, 22:46