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

78,631

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

854

24

188,466

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

487,849

by: bb

29 Aug 2025, 13:27

ER

Is sqrt x an integer?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

vaibhav1221

16 Sep 2019, 04:12

1

1,682

by: chetan2u

16 Sep 2019, 04:12

ER

Is a^3 > a^2 ? (1) 1/a > a (2) a^5 > a^3

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

vaibhav1221

09 Aug 2018, 06:25

7

3

3,707

by: bumpbot

24 Jul 2024, 07:39

ER

Is 2/x + 2/y = 30?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

vaishnogmat

17 Nov 2013, 23:25

7

15

4,907

by: bumpbot

14 Nov 2023, 14:51

ER

If p, s, and t are positive prime numbers, what is the value

555-605 (Medium) | Algebra +2 tags

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

vaivish1723

23 Jan 2010, 00:18

14

9

11,195

by: Basshead

28 Oct 2020, 12:21

ER

If x(x - 5)(x + 2) = 0, is x negative?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

vaivish1723

17 Jan 2010, 10:43

63

7

22,034

by: bumpbot

21 Nov 2024, 00:23

ER

If x, y and z are positive integers, is x% of y bigger than

555-605 (Medium) | Percent and Interest Problems

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

vaivish1723

20 Jul 2009, 10:24

24

6

13,426

by: bumpbot

28 Mar 2025, 11:19

ER

Lists S and T consist of the same number of positive integers. Is the

605-655 (Medium) | Statistics and Sets Problems

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

vaivish1723

22 May 2021, 13:27

111

19

23,302

by: Bunuel

17 May 2025, 11:40

ER

The operation* represents either addition, subtraction, or multiplicat

555-605 (Medium) | Arithmetic, Functions and Custom Characters

555-605 (Medium) | Arithmetic, Functions and Custom Characters hide tags

vaivish1723

16 Oct 2019, 03:49

91

8

30,607

by: bumpbot

14 Jun 2025, 03:45

ER

During an experiment, some water was removed from each of

555-605 (Medium) | Statistics and Sets Problems

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

vaivish1723

13 May 2010, 04:07

429

19

72,255

by: bumpbot

07 Sep 2025, 05:13

ER

Does the decimal equivalent of p/q, where p and q are positive integer

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

vaivish1723

15 Sep 2020, 07:29

125

19

42,582

by: bumpbot

28 Oct 2025, 04:28

ER

During a 10-week summer vacation, was the average (arithmetic mean)

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

vaivish1723

20 Nov 2023, 08:18

100

14

27,676

by: bumpbot

30 Jan 2026, 03:53

ER

If 0 < x < y, what is the value of (x + y)^2/(x- y)^2?

555-605 (Medium) | Algebra, Exponents

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

Val1986

12 Aug 2022, 06:23

185

8

71,084

by: totaltestprepNick

01 Mar 2026, 14:10

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

7,128

by: bumpbot

08 Jul 2019, 00:46

ER

Is b/3 an integer?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

1, 2

valerjo79

26 Nov 2012, 03:16

75

21

15,353

by: bumpbot

10 Jul 2023, 09:58

What is the area of the triangle ABC?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Vamshi8411

26 Jul 2012, 05:37

13

5

9,925

by: bumpbot

07 Dec 2021, 07:03

ER

Is A multiple of 6?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Vamshi8411

17 Sep 2012, 05:50

23

6

9,026

by: bumpbot

22 Apr 2024, 02:02

ER

If digit h is the hundredths' digit in the decimal d=0.2h6,

555-605 (Medium) | Fractions and Ratios

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

1, 2

vanidhar

20 Sep 2012, 04:55

177

20

35,730

by: bumpbot

21 May 2025, 22:27

ER

If point x is inside a circle with center o and radius 2, is

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

vanidhar

13 Oct 2010, 02:02

27

3

11,086

by: bumpbot

27 Sep 2025, 23:54

ER

A sum of $200,000 from a certain estate was devided among a

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

vanidhar

30 Sep 2010, 01:45

154

13

33,114

by: bumpbot

22 Feb 2026, 16:03

ER

The participants in a race consisted of 3 teams with 3 runners on each

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

vannu

19 Jul 2019, 00:33

150

12

23,721

by: bumpbot

13 Mar 2025, 19:11

ER

If n is an integer, what is the remainder when n is divided

Poor Quality

Poor Quality hide tags

vcbabu

12 Oct 2013, 09:19

19

5

14,398

by: IanStewart

21 Jun 2009, 10:40

ER

If x, y and z are positive numbers, is z between x and y?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

1, 2

vcbabu

23 May 2021, 12:18

554

25

106,528

by: bumpbot

01 Feb 2025, 01:32

ER

Is 27^a/6^b a prime number?

705-805 (Hard) | Algebra +2 tags

705-805 (Hard) | Algebra, Exponents, Number Properties hide tags

vdm

21 Sep 2015, 09:24

12

10

3,843

by: Pankaj0901

31 Mar 2022, 12:04

ER

What is the value of positive integer m?

805+ (Hard) | Remainders

805+ (Hard) | Remainders hide tags

vdm

14 Sep 2015, 07:48

19

10

3,797

by: bumpbot

16 Dec 2023, 09:39

ER

If p and q are positive integers, is p/q also an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

venkateshraviraj

28 Apr 2019, 08:25

3

4

1,539

by: Bunuel

28 Apr 2019, 08:26

ER

Square ABCD has an area of 9 square inches. Sides AD and BC

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

venmic

20 Sep 2022, 01:29

16

9

14,922

by: bumpbot

09 Dec 2023, 03:43

ER

Is |x y| < |x| + |y|?

655-705 (Hard) | Absolute Values, Inequalities

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

venmic

08 Aug 2012, 22:08

54

15

9,691

by: bumpbot

13 Dec 2024, 04:13

ER

If S is a finite set of consecutive even numbers, is the

705-805 (Hard) | Statistics and Sets Problems

705-805 (Hard) | Statistics and Sets Problems hide tags

venmic

28 May 2012, 06:01

31

4

11,022

by: bumpbot

27 Jan 2026, 05:52

Sarah is in a room with 6 other children. If the other child

705-805 (Hard) | Statistics and Sets Problems

705-805 (Hard) | Statistics and Sets Problems hide tags

venmic

07 Sep 2012, 21:36

99

8

18,795

by: bumpbot

18 Feb 2026, 08:38

ER

If P is an integer, is

Poor Quality

Poor Quality hide tags

VenoMfTw

20 Jun 2016, 04:05

3

1,499

by: chetan2u

20 Jun 2016, 07:41

Bob plans to draw a square ABCD with a point O on the side AB but is

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

VenoMfTw

25 Aug 2015, 23:45

10

6

3,066

by: amanvermagmat

08 May 2018, 04:48

ER

Alex spends 30% of his income on his children’s education, 20% on

805+ (Hard) | Percent and Interest Problems, Word Problems

805+ (Hard) | Percent and Interest Problems, Word Problems hide tags

VenoMfTw

03 Aug 2015, 00:45

27

7

7,143

by: bumpbot

28 Apr 2024, 05:27

ER

Mr. X paid for a painting using currency notes of denominations 1$, 2$

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

VenoMfTw

16 Aug 2015, 11:32

4

3

3,461

by: bumpbot

25 Dec 2025, 07:51

When the positive integer n is divided by 15, the remainder is 4. What

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

VERBAL1

03 Jul 2020, 11:12

4

2

2,247

by: v12345

03 Jul 2020, 19:29

ER

What is the value of product abc?

705-805 (Hard) | Exponents, Number Properties

705-805 (Hard) | Exponents, Number Properties hide tags

VeritasPrepBrian

09 Jul 2013, 23:16

40

15

8,072

by: bumpbot

29 Aug 2022, 07:38

ER

If x is positive, what is the value of x^(1/2)?

Sub 505 (Easy) | Roots

Sub 505 (Easy) | Roots hide tags

vhsneha

19 May 2018, 00:28

45

13

24,319

by: bumpbot

24 Jul 2025, 19:19

Is AD the bisector of angle A in triangle ABC?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

vibhav

21 May 2012, 10:36

15

18

11,073

by: bumpbot

13 Jul 2022, 13:26

ER

Every passenger on a certain airplane is from either Japan

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

vibhav

15 Jul 2013, 08:49

79

8

11,669

by: bumpbot

05 Jan 2023, 13:27

ER

A set consists of n consecutive integers in which the smalle

805+ (Hard) | Statistics and Sets Problems

805+ (Hard) | Statistics and Sets Problems hide tags

1, 2

vibhav

21 Jul 2013, 07:22

221

20

23,359

by: bumpbot

30 Sep 2025, 06:20

ER

If y is an integer, is y odd?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

vibrant

27 May 2014, 06:59

1

2

3,656

by: bumpbot

29 Mar 2017, 06:23

ER

What is the volume of a certain cube?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Vidhi1

10 Dec 2013, 14:12

22

10

14,853

by: bumpbot

24 Jan 2026, 23:01

What is the tenths digit of decimal X?

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

vidhya16

01 Sep 2012, 10:53

1

3

4,161

by: bumpbot

19 Aug 2019, 13:48

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

7,065

by: bumpbot

15 Aug 2023, 07:45

ER

A certain circular area has its center at point P and has

555-605 (Medium) | Coordinate Plane, Geometry

555-605 (Medium) | Coordinate Plane, Geometry hide tags

vigneshpandi

21 Sep 2010, 23:05

86

10

20,141

by: bumpbot

24 Sep 2024, 06:17

ER

The lifetime of all the batteries produced by a certain company in a

505-555 (Easy) | Statistics and Sets Problems

505-555 (Easy) | Statistics and Sets Problems hide tags

vigneshpandi

03 Jan 2019, 03:53

158

16

31,493

by: anushree01

11 Jun 2025, 18:33

ER

Circle C and line K lie in the XY plane. If circle C is centered at th

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

vigneshpandi

02 Apr 2019, 03:36

168

15

42,315

by: Bunuel

02 Oct 2025, 09:50

ER

If r is the remainder when the positive integer n is divided by 7 what

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

vigneshpandi

21 Sep 2010, 21:39

75

10

23,497

by: totaltestprepNick

24 Feb 2026, 13:29

ER

If the mean of set S is 20, what is the median of set S ?

805+ (Hard) | Statistics and Sets Problems

805+ (Hard) | Statistics and Sets Problems hide tags

vijaisingh2001

24 Feb 2017, 10:03

50

4

7,022

by: bumpbot

23 Jan 2024, 00:16

ER

In the former Soviet Union, rubles came in denominations of

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Vijayeta

27 Jul 2014, 07:50

45

6

7,657

by: bumpbot

10 May 2024, 07:57

ER

If x is an integer, is x > 0?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Vijayeta

13 Aug 2014, 04:07

42

8

9,460

by: bumpbot

15 Jun 2025, 07:15