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

78,976

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

188,674

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

488,179

by: bb

29 Aug 2025, 13:27

ER

If P, Q, and R are points on the number line, what is the di

Sub 505 (Easy) | Arithmetic, Coordinate Plane

Sub 505 (Easy) | Arithmetic, Coordinate Plane hide tags

amar87

09 Nov 2013, 09:44

37

7

20,295

by: bumpbot

15 Jul 2025, 19:52

ER

What is the value of X?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

stevennu

27 Jun 2017, 03:25

23

14

15,435

by: bumpbot

07 Jan 2025, 08:36

ER

The product of the units, tens, and hundreds digits of the

705-805 (Hard) | Fractions and Ratios

705-805 (Hard) | Fractions and Ratios hide tags

accincognito

06 Nov 2013, 11:37

25

3

9,472

by: bumpbot

25 Apr 2024, 14:12

ER

Last Friday each of the pets at a certain veterinary clinic was given

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

abid1986

06 Nov 2013, 02:21

13

8

12,975

by: bumpbot

05 Mar 2025, 04:54

ER

If y is an odd integer and the product of x and y equals 222

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

way12go

05 Nov 2013, 00:37

35

11

10,361

by: bumpbot

26 May 2025, 12:08

ER

If q is an integer, then q is divisible by how many positive

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

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

notrandom

04 Nov 2013, 23:05

19

6

4,668

by: bumpbot

26 Sep 2024, 02:20

ER

If k is a positive integer and n = k(k + 7), is n divisible by 6?

605-655 (Medium) | Multiples and Factors, Remainders

605-655 (Medium) | Multiples and Factors, Remainders hide tags

1, 2

Jem2905

06 Jun 2022, 01:16

337

21

64,784

by: bumpbot

24 Apr 2025, 04:39

ER

Is n^2 an even integer?

Poor Quality

Poor Quality hide tags

avohden

02 Nov 2013, 00:56

14

7

3,956

by: Bunuel

07 Jan 2021, 00:36

ER

If x^2 - y^2 = 27, what is the value of (x + y)^2 ?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

avohden

02 Nov 2013, 00:47

27

9

12,808

by: bumpbot

05 Nov 2023, 04:51

ER

Is xy > 7 ? (1) x + y = 7 (2) 1 x 3 and 2 y 4

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

avohden

02 Nov 2013, 00:40

3

2

3,669

by: avohden

05 Nov 2013, 22:42

ER

Is x < y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Puneethrao

01 Nov 2013, 01:01

14

8

6,283

by: bumpbot

20 Jul 2025, 19:19

In the graph above ,if divisions K and L togather

505-555 (Easy) | Graphs and Illustrations

505-555 (Easy) | Graphs and Illustrations hide tags

guerrero25

31 Oct 2013, 02:44

20

4

10,007

by: ADisHere

15 May 2024, 13:27

ER

If a, b, x, and y are positive integers, is a^(-x) > b(-y)?

Sub 505 (Easy) | Algebra +2 tags

Sub 505 (Easy) | Algebra, Exponents, Inequalities hide tags

zbvl

07 May 2018, 21:53

28

10

13,697

by: bumpbot

07 Oct 2023, 14:33

ER

To raise funds, a racing team sold T-shirts imprinted with

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

guerrero25

30 Oct 2013, 16:01

86

11

21,799

by: bumpbot

16 Jul 2025, 01:02

ER

100 Hardest Data Sufficiency Questions

655-705 (Hard)

655-705 (Hard) hide tags

Bunuel

30 Oct 2013, 02:26

446

19

109,516

by: bumpbot

16 Jun 2025, 03:41

ER

In the graph shown above, which sector represents the $9.6

705-805 (Hard) | Graphs and Illustrations

705-805 (Hard) | Graphs and Illustrations hide tags

guerrero25

30 Oct 2013, 00:18

94

16

17,538

by: bumpbot

15 May 2024, 13:23

ER

In the figure above, the circles are centered at O(0, 0) and

805+ (Hard) | Coordinate Plane, Geometry

805+ (Hard) | Coordinate Plane, Geometry hide tags

AccipiterQ

29 Oct 2013, 13:11

168

15

25,191

by: bumpbot

11 Apr 2023, 23:12

ER

If x is a positive integer, the symbol * represents which of

505-555 (Easy) | Functions and Custom Characters

505-555 (Easy) | Functions and Custom Characters hide tags

infymys

29 Oct 2013, 06:42

13

7

10,022

by: bumpbot

13 Sep 2022, 10:16

ER

In the figure shown, what is the area of triangular region PRT?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

1, 2

yuvrajsub

22 Jul 2019, 09:41

378

21

76,320

by: bumpbot

18 Sep 2025, 04:28

ER

If z is an integer, is z even?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

pchun008

29 Oct 2013, 00:07

10

4

8,342

by: bumpbot

20 Mar 2024, 06:34

ER

PQ and RS are two chords of a circle and the lines RP and SQ

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

udso

28 Oct 2013, 15:48

25

7

21,079

by: bumpbot

07 Dec 2022, 01:41

ER

Is |ab| > -ab?

705-805 (Hard) | Absolute Values, Inequalities

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

SleeB

27 Oct 2013, 15:46

19

13

3,901

by: askul2389

11 Apr 2017, 08:00

ER

A newer machine, working alone at its constant rate

805+ (Hard) | Work and Rate Problems

805+ (Hard) | Work and Rate Problems hide tags

gmacforjyoab

26 Oct 2013, 14:42

241

18

32,915

by: bumpbot

16 Jul 2025, 21:51

ER

Points M and P lie on square LNQR, and LM = LQ. What is the

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Pmar2012

25 Oct 2013, 09:11

162

9

49,062

by: bumpbot

07 Apr 2025, 19:43

ER

Is ax = 6 - bx ?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

avohden

24 Oct 2013, 17:35

5

7

4,361

by: bumpbot

02 Feb 2023, 03:40

ER

Is the number y between 0.3 and 0.6 ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

avohden

24 Oct 2013, 17:24

1

4

5,635

by: chetan2u

27 May 2016, 05:56

ER

What is the value of xy ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

avohden

24 Oct 2013, 17:10

5

3

4,216

by: bumpbot

02 Feb 2023, 05:02

ER

Is |x - 6| > 2? (1) |x - 4| > 3 (2) |x - 8| > 1

705-805 (Hard) | Absolute Values, Inequalities

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

mikemcgarry

24 Oct 2013, 15:57

45

11

12,369

by: bumpbot

30 Nov 2023, 23:39

ER

Each person in a certain group supports only one of two cand

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

fozzzy

23 Oct 2013, 05:47

96

6

30,339

by: bumpbot

19 Aug 2025, 22:05

ER

What is the value of b ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

avohden

22 Oct 2013, 22:00

5

3,069

by: Bunuel

01 Dec 2013, 07:21

ER

If a, b, c, and d are positive, is ac + bd > bc + ad?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

audiogal101

22 Oct 2013, 10:43

8

7

11,244

by: bumpbot

13 Jan 2022, 06:58

ER

If x, y, and z are all positive integers, is x + y + z even?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Chetangupta

22 Oct 2013, 08:07

14

3

5,819

by: MBAHOUSE

18 Jul 2022, 06:42

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

26,795

by: bumpbot

04 Oct 2023, 22:46

ER

Rectangle ABCD is inscribed in circle P. What is the area of circle P?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

AccipiterQ

24 Feb 2018, 00:34

10

4

14,972

by: Nunuboy1994

05 Sep 2017, 16:25

ER

What is the value of x^2 - y^2?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

bulletpoint

20 Oct 2013, 06:32

258

11

65,581

by: bumpbot

02 Jan 2025, 10:47

ER

If perpendicular lines m and n intersect at (0,b) in the

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

nave

20 Oct 2013, 04:56

331

9

60,701

by: bumpbot

13 Feb 2025, 03:34

ER

If a^n ≠ 0 and n is a positive integer, is n odd?

705-805 (Hard) | Exponents

705-805 (Hard) | Exponents hide tags

jellybean23

20 Oct 2013, 04:43

17

4

4,986

by: bumpbot

13 Apr 2024, 13:01

ER

In the figure above, SQRE is a square, AB = AC, and AS = AQ.

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

1, 2

AccipiterQ

18 Oct 2013, 22:10

104

24

19,470

by: bumpbot

16 Apr 2022, 07:40

ER

A rectangle is defined to be "silver" if and only if the rat

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

TGC

13 Sep 2022, 02:57

81

10

14,951

by: AVMachine

18 Mar 2025, 06:18

ER

Is the integer P odd?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

jrzayev001

17 Oct 2013, 02:31

27

8

14,350

by: bumpbot

04 Jun 2024, 11:01

ER

A circle is drawn on a coordinate plane. If a line is drawn

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

1, 2

saintforlife

15 Oct 2013, 22:17

126

21

27,217

by: bumpbot

28 Nov 2025, 09:41

ER

At a souvenir shop, all posters are priced equally and all

505-555 (Easy) | Multiples and Factors

505-555 (Easy) | Multiples and Factors hide tags

bulletpoint

15 Oct 2013, 08:04

116

12

39,371

by: bumpbot

11 Sep 2023, 17:36

ER

Quick Sell Outlet sold a total of 40 televisions, each of

655-705 (Hard) | Statistics and Sets Problems

655-705 (Hard) | Statistics and Sets Problems hide tags

1, 2

bulletpoint

14 Oct 2013, 08:51

627

22

84,234

by: egmat

26 Sep 2025, 03:28

ER

On a trolley ride around an amusement park, a child traveler

555-605 (Medium) | Distance and Speed Problems

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

bulletpoint

14 Oct 2013, 08:47

489

9

71,324

by: bumpbot

30 May 2025, 03:08

ER

ABC and AED are triangles with BC and ED perpendicular to AB

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

obs23

14 Oct 2013, 05:46

5

2

4,809

by: CEdward

16 Feb 2021, 19:25

ER

If a child is randomly selected from Columbus elementary sch

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

LinaNY

12 Oct 2013, 12:30

38

9

12,413

by: bumpbot

12 Apr 2026, 04:30

ER

A bookshelf holds both paperback and hardcover books. The

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

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

jlgdr

11 Oct 2013, 17:05

45

7

14,433

by: ablatt4

26 Aug 2025, 11:44

ER

If y ≠ 1, is x = 1 ? (1) x^2 + y^2 = 1 (2) y = 1 - x

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

1, 2

MDK

11 Oct 2013, 11:50

530

21

95,425

by: bumpbot

10 Dec 2025, 01:59

ER

ABC and AED are triangles with BC parallel to ED. Find the a

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

obs23

11 Oct 2013, 03:43

6

9

6,940

by: Nunuboy1994

08 Sep 2017, 18:18

ER

If a loan of P dollars, at an interest rate of r percent...

555-605 (Medium) | Percent and Interest Problems, Word Problems

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

NeverSurrender

11 Oct 2013, 03:29

292

19

62,962

by: bumpbot

19 Aug 2025, 07:37