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

78,605

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

854

24

188,448

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

487,810

by: bb

29 Aug 2025, 13:27

ER

If Mary and Sue enter a 750 meter swimming competition in which Mary g

805+ (Hard) | Distance and Speed Problems

805+ (Hard) | Distance and Speed Problems hide tags

Bunuel

11 Jul 2019, 08:00

72

18

10,007

by: bumpbot

20 Dec 2024, 09:28

ER

An empty swimming pool with a capacity of 75,000 liters is

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

enigma123

01 Apr 2012, 16:06

70

18

24,891

by: zjhon

14 Dec 2024, 14:54

ER

If the unit digit of the positive integer n is 5, what is the tens dig

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

20 Aug 2020, 02:37

32

18

11,775

by: bumpbot

09 Dec 2024, 10:11

ER

x and y are positive integers, is x=y ?

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

kamathimanshu

17 Aug 2015, 03:49

77

18

16,859

by: bumpbot

21 Nov 2024, 01:48

ER

Which of Company X and Company Y earned the greater gross profit last

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

maybeam

05 Jun 2019, 05:03

106

18

36,483

by: bumpbot

21 Nov 2024, 01:20

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If m, r, x and y are positive, the ratio of m to r equal to the ratio

555-605 (Medium) | Fractions and Ratios

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

LM

27 Apr 2010, 09:52

213

18

52,274

by: bumpbot

15 Nov 2024, 10:05

ER

If a, b, c are three numbers on the number line shown above

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

yogeshwar007

21 Jan 2013, 03:27

78

18

27,362

by: bumpbot

06 Nov 2024, 21:02

ER

Is quadrilateral ABCD a parallelogram ?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

innocous

25 Aug 2013, 10:58

96

18

13,056

by: bumpbot

23 Oct 2024, 04:47

ER

Given that ABCD is a rectangle, is the area of triangle ABE>

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

enigma123

04 Feb 2012, 17:12

186

18

54,156

by: Bunuel

16 Oct 2024, 14:27

ER

A line with the equation y = px + q is reflected over the

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

bhandariavi

20 Mar 2011, 17:14

51

18

14,714

by: bumpbot

07 Oct 2024, 00:29

ER

If ab ≠ 0, is ab > a/b ?

805+ (Hard) | Absolute Values, Inequalities

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

gmatquant25

25 May 2014, 12:32

289

18

34,142

by: bumpbot

03 Oct 2024, 06:51

ER

What is the value of x? (1) x+y=2 (2) xy=z2+1

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

JusTLucK04

31 Oct 2014, 13:12

154

18

31,614

by: GMATBusters

26 Aug 2024, 05:11

ER

What is the greatest common factor of positive integers a

555-605 (Medium) | Multiples and Factors, Number Properties

555-605 (Medium) | Multiples and Factors, Number Properties hide tags

enigma123

16 Dec 2012, 09:12

103

18

26,126

by: bumpbot

25 Aug 2024, 01:55

ER

If y = x^2 - 6x + 9, what is the value of x?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

AbdurRakib

09 Jul 2017, 02:07

125

18

47,860

by: bumpbot

17 Aug 2024, 00:59

ER

Is p = |p|? (1) p is prime (2) p is even

555-605 (Medium) | Absolute Values, Number Properties

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

Bunuel

03 Dec 2018, 21:39

25

18

6,023

by: bumpbot

06 Jul 2024, 06:45

ER

Is x^4 - x > 0 ? (1) x < 0 (2) x^4 > x^2

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

29 Jan 2020, 00:38

20

18

4,366

by: bumpbot

18 Jun 2024, 10:05

ER

If the given addition is correct, what is the sum of T, U and V?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

GMATBusters

29 Sep 2018, 10:47

24

18

6,348

by: bumpbot

17 Feb 2024, 03:21

ER

A certain circle in the xy-plane has its center at the origin. If P is

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Sallyzodiac

03 May 2016, 07:59

241

18

74,722

by: Bunuel

25 Jan 2024, 08:42

ER

Is 1/(x - y) < y - x? (1) y is positive (2) x is negative

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

rxs0005

21 Sep 2010, 04:22

31

18

8,989

by: bumpbot

20 Jan 2024, 09:17

ER

Is the value of x less than 0? (1) The product of x and y is negative

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

17 Oct 2019, 21:19

16

18

4,872

by: GMATGuruNY

07 Jan 2024, 22:57

ER

If points A, B, and C form a triangle, is angle ABC>90 degre

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

bmwhype2

16 Nov 2007, 08:59

70

18

18,982

by: bumpbot

07 Jan 2024, 03:31

ER

Is Quadrilateral ABCD a Rectangle? 1) Diagonals of ABCD Bisect each o

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

GMATinsight

07 May 2017, 21:21

30

18

7,363

by: bumpbot

28 Dec 2023, 10:04

ER

In the figure shown, the measure of angle PRS is how many degrees grea

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Sylvan

27 Nov 2018, 01:55

420

18

96,772

by: bumpbot

23 Dec 2023, 19:11

ER

What is the distance between a and b on the number line?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

Bunuel

01 Apr 2012, 01:51

54

18

28,395

by: bumpbot

20 Dec 2023, 03:35

ER

What is the length of the hypotenuse of ΔABC ?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

gmatt1476

21 Sep 2019, 18:08

115

18

18,605

by: bumpbot

15 Oct 2023, 05:35

ER

A circle is drawn within the interior of a rectangle. Does

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

AIMGMAT770

22 Oct 2013, 02:59

162

18

26,777

by: bumpbot

04 Oct 2023, 22:46

ER

Is x > 0? (1) |x + 3| < 4 (2) |x - 3| < 4

505-555 (Easy) | Absolute Values, Inequalities

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

aniketb

23 Sep 2021, 10:21

13

18

6,861

by: bumpbot

30 Aug 2023, 01:34

ER

A trapezoid is symmetrical about a vertical center line. If

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

AbhiJ

27 Apr 2012, 12:26

64

18

12,422

by: bumpbot

24 Aug 2023, 02:26

ER

The rectangular rug shown in the figure above has an accent border.

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

25 Oct 2015, 09:08

191

18

38,817

by: bumpbot

02 Aug 2023, 18:28

ER

Is 2|xy^2|> 0?

655-705 (Hard) | Absolute Values, Inequalities

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

Zarrolou

05 May 2013, 10:35

37

18

6,666

by: bumpbot

23 Jul 2023, 09:06

ER

Does a = 0? (1) a^3(8.12) = a^4(8.12) (2) ab ≠ b

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

08 Nov 2019, 01:48

15

18

2,616

by: bumpbot

27 May 2023, 02:53

ER

Two consecutive positive integers, each greater than 9, are divided by

655-705 (Hard) | Multiples and Factors +2 tags

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

Bunuel

10 Jun 2020, 01:01

29

18

9,472

by: bumpbot

01 May 2023, 04:22

ER

The three sides of triangle have length p, q and r, each an integer.

805+ (Hard) | Algebra, Geometry

805+ (Hard) | Algebra, Geometry hide tags

giobas

22 Mar 2017, 10:02

143

18

12,929

by: bumpbot

21 Mar 2023, 22:18

ER

Machine M processes a certain chemical product at a constant rate. Doe

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

Bunuel

23 Apr 2020, 01:52

27

18

9,644

by: achloes

23 Feb 2023, 23:10

ER

In the xy-plane, both line K and L intersect with axis-y. Is

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

dimitri92

20 May 2010, 01:15

62

18

13,054

by: bumpbot

27 Jan 2023, 23:03

ER

If x and y are integers, what is the value of y ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

irda

11 Jun 2014, 03:43

22

18

5,641

by: bumpbot

18 Jan 2023, 13:59

ER

In the diagram above, if arc ABC is a semicircle, what is

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Berbatov

26 Aug 2011, 01:59

93

18

33,421

by: bumpbot

08 Nov 2022, 09:17

ER

In the figure above, three segments are drawn to connect

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

coelholds

29 Jul 2015, 03:15

61

18

12,748

by: JDLaw

20 Oct 2022, 03:02

ER

What is the value of y?

805+ (Hard) | Algebra +2 tags

805+ (Hard) | Algebra, Arithmetic, Roots hide tags

GGMU

24 Jun 2016, 08:21

143

18

15,007

by: bumpbot

18 Sep 2022, 11:16

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

Is the Quadrilateral ABCD a rectangle?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

GMATBusters

25 Apr 2020, 20:10

12

18

5,547

by: bumpbot

14 Apr 2022, 09:27

ER

Is |x| + |y| = 0?

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

Warlock007

29 Jul 2016, 00:56

21

18

10,278

by: bumpbot

27 Mar 2022, 04:18

ER

Is |x – 3| > |y – 3|?

555-605 (Medium) | Absolute Values, Inequalities

555-605 (Medium) | Absolute Values, Inequalities hide tags

banksy

25 Jul 2013, 02:13

38

18

9,120

by: CEdward

03 Feb 2021, 12:51

ER

What is the ratio of a to b to c ?

Sub 505 (Easy) | Algebra, Fractions and Ratios

Sub 505 (Easy) | Algebra, Fractions and Ratios hide tags

Rock750

28 Apr 2013, 12:05

10

18

10,380

by: bumpbot

25 Dec 2020, 01:15

ER

Laura sells encyclopaedias, and her monthly income has two

805+ (Hard) | Out of Scope - Too Hard, Word Problems

805+ (Hard) | Out of Scope - Too Hard, Word Problems hide tags

kevincan

29 May 2008, 13:54

138

18

20,210

by: bumpbot

01 Oct 2019, 04:05

ER

Is m^2n + mn^2 = 0 ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

14 Jul 2015, 00:55

23

18

4,998

by: bumpbot

07 Sep 2019, 01:56

ER

Is 1/x^5 > y/(y^6+1)? (1) x = y (2) y > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

gmatjon

08 Jul 2019, 22:01

11

18

5,340

by: Archit3110

09 Jul 2019, 10:03

ER

Math Revolution and GMAT Club Contest! If x and y are integers, are

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

20 Dec 2015, 06:37

22

18

5,374

by: bumpbot

01 Jan 2017, 22:46

ER

What is the units digit of integer s? (1) The units digit of

Poor Quality

Poor Quality hide tags

dreambeliever

07 Jun 2011, 08:05

4

18

3,942

by: Harley1980

19 Jun 2015, 12:33

ER

A college admissions committee will grant a certain number

605-655 (Medium) | Combinations

605-655 (Medium) | Combinations hide tags

nverma

12 Apr 2010, 13:56

291

17

35,900

by: luisdicampo

15 Apr 2026, 08:25