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

78,576

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

188,431

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

487,779

by: bb

29 Aug 2025, 13:27

ER

If $1,000 is deposited in a certain bank account and remains in the

705-805 (Hard) | Exponents, Percent and Interest Problems

705-805 (Hard) | Exponents, Percent and Interest Problems hide tags

1, 2

butterfly

01 Nov 2010, 17:32

511

21

64,353

by: bumpbot

07 Mar 2026, 09:03

ER

At a certain bookstore, each notepad costs x dollars and

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

metallicafan

01 Nov 2010, 22:19

151

15

28,804

by: bumpbot

12 Oct 2025, 09:29

ER

In the table above, is z = 20q ?

605-655 (Medium) | Arithmetic

605-655 (Medium) | Arithmetic hide tags

anilnandyala

02 Nov 2010, 06:21

77

10

19,262

by: bumpbot

30 Mar 2025, 14:59

ER

In the sequence 1, 2, 4, 8, 16, 32, …, each term after the

605-655 (Medium) | Sequences

605-655 (Medium) | Sequences hide tags

dkverma

03 Nov 2010, 02:51

68

8

15,541

by: bumpbot

15 Jul 2025, 12:36

ER

Machines X and V produced identical bottles at different

605-655 (Medium) | Work and Rate Problems

605-655 (Medium) | Work and Rate Problems hide tags

cgl7780

03 Nov 2010, 17:36

1.0k

16

75,103

by: totaltestprepNick

03 Mar 2026, 09:39

ER

What is the sum of the digits of the positive integer n

605-655 (Medium) | Arithmetic, Exponents

605-655 (Medium) | Arithmetic, Exponents hide tags

samark

04 Nov 2010, 08:24

67

19

17,440

by: AVMachine

20 Mar 2025, 05:27

ER

If x and y are positive. is y< 2 ? (1) x > 2y (2) x < y + 2

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

tatane90

04 Nov 2010, 15:56

111

8

18,626

by: bumpbot

09 Jun 2025, 20:09

ER

If x is a positive number, what is the value of x ? (1) |x – 2| = 1

505-555 (Easy) | Absolute Values, Algebra

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

tatane90

04 Nov 2010, 15:59

42

8

17,455

by: bumpbot

20 Nov 2024, 10:31

ER

From May 1 to May 30 in the same year, the balance in a

505-555 (Easy) | Percent and Interest Problems, Word Problems

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

dkverma

25 Jan 2012, 11:55

223

17

38,383

by: bumpbot

11 Sep 2025, 01:36

ER

What is the value of x?

555-605 (Medium) | Algebra, Roots

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

shrive555

04 Nov 2010, 18:22

102

13

14,141

by: bumpbot

06 Jan 2026, 10:09

ER

If x is an integer, is (x^2+1)(x+5) an even number?

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

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

1, 2

mybudgie

30 Jan 2016, 02:36

239

21

63,759

by: Krunaal

10 Jan 2025, 08:08

ER

Is x between 0 and 1 ? (1) x^2 is less than x (2) x^3 is positive

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

jscott319

04 Nov 2010, 19:49

114

15

38,527

by: KalleAbhi

19 Jul 2025, 05:39

ER

Z is a two digit positive integer, Z is equal to 7 times the sum of it

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Creeper300

05 Nov 2010, 09:41

6

10

4,660

by: bumpbot

05 Apr 2019, 00:18

ER

a, and b are integers, is a factor of b?

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

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

Creeper300

05 Nov 2010, 09:45

10

6

11,118

by: bumpbot

09 Dec 2025, 12:11

ER

What is the value of n?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

monirjewel

27 Mar 2015, 04:56

20

5

31,976

by: bumpbot

21 May 2024, 08:38

ER

a^2+b^2=6, a+b=? 1. b-a=2 2. a=-b

Poor Quality

Poor Quality hide tags

Creeper300

07 Nov 2010, 00:56

1

5

3,634

by: KarishmaB

07 Nov 2010, 07:14

ER

Is a^2 + a > -b^2?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Creeper300

07 Nov 2010, 13:39

9

7

4,533

by: bumpbot

25 Sep 2019, 05:20

ER

Is a/b >0? (1) ab > 0 (2) b/a > 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Creeper300

07 Nov 2010, 13:40

3

2

4,135

by: LogicGuru1

18 Jul 2016, 04:13

ER

Is a/b < 2?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Creeper300

07 Nov 2010, 13:41

3

2

3,277

by: bumpbot

19 Oct 2017, 04:08

ER

is (a-b)/c >0? 1. a>b, b<c 2. a<b, b<c

Poor Quality

Poor Quality hide tags

Creeper300

07 Nov 2010, 13:44

3

2

3,462

by: metallicafan

03 Feb 2012, 11:39

ER

Is a > 10?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Creeper300

07 Nov 2010, 13:45

12

5

3,267

by: bumpbot

04 Jan 2026, 03:26

ER

ab = 0?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Creeper300

07 Nov 2010, 13:49

11

3

4,460

by: MathRevolution

24 Nov 2017, 16:25

ER

A biker travels from point A to Point C in a straight line

Poor Quality

Poor Quality hide tags

Creeper300

07 Nov 2010, 13:53

2

2,837

by: KarishmaB

08 Nov 2010, 10:04

ER

If k is a 3 digit positive number, what is the hundred digit

655-705 (Hard) | Fractions and Ratios

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

anilnandyala

09 Nov 2010, 06:19

161

11

21,895

by: bumpbot

17 Sep 2025, 00:37

ER

If the symbol @ represents either addition or multiplication, which op

505-555 (Easy) | Arithmetic, Functions and Custom Characters

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

zerotoinfinite2006

10 Nov 2010, 03:56

96

10

41,250

by: bumpbot

06 Apr 2026, 11:14

ER

Of 100 dogs at an animal shelter, some are doxin and the

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

rxs0005

10 Nov 2010, 04:47

15

10

3,617

by: bumpbot

24 Oct 2023, 14:17

ER

Is x = 9?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

rockroars

10 Nov 2010, 04:53

3

4

3,700

by: bumpbot

28 Jul 2020, 03:52

ER

If x, y, and z are integers greater than 0 and x = y + z, what is the

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

amirdubai1982

11 Nov 2010, 02:55

10

9

5,255

by: bumpbot

08 Jun 2023, 02:19

ER

What is the value of a^(-2)*b^(-3)?

605-655 (Medium) | Algebra, Exponents

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

monirjewel

30 Jan 2015, 06:04

66

18

28,713

by: bumpbot

23 Apr 2025, 01:29

ER

If X and Y are positive integers, what is the remainder of

Sub 505 (Easy) | Remainders

Sub 505 (Easy) | Remainders hide tags

vivaslluis

13 Nov 2010, 10:10

9

6

4,649

by: jpujol1

28 Jun 2020, 09:56

ER

A department manager distributed a number of pens, pencils

705-805 (Hard) | Fractions and Ratios, Word Problems

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

subhabrata1986

15 Nov 2010, 00:54

543

18

55,188

by: bumpbot

06 Jan 2026, 00:33

ER

If B is the midpoint of AC, what is the length of BE?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

shrive555

15 Nov 2010, 12:00

23

6

5,643

by: bumpbot

29 Sep 2022, 15:35

ER

What is the hundredths digit in the decimal expression of

705-805 (Hard) | Fractions and Ratios, Number Properties

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

rxs0005

15 Nov 2010, 17:10

29

11

8,542

by: bumpbot

20 Sep 2023, 04:30

ER

A certain jar contains only b black marbles, w white marbles and r red

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

anilnandyala

16 Nov 2010, 06:43

291

17

45,542

by: bumpbot

27 Apr 2025, 06:06

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

8,071

by: bumpbot

29 Aug 2022, 07:38

ER

Is the radius of the circle greater than 3?

705-805 (Hard) | Coordinate Plane, Geometry

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

gdk800

19 Nov 2010, 04:33

46

9

9,266

by: bumpbot

09 Jan 2021, 22:46

ER

Is the number of seconds required to travel d1 feet at r1

555-605 (Medium) | Fractions and Ratios

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

chiragatara

21 Nov 2010, 01:57

149

12

26,770

by: Bunuel

06 Dec 2017, 02:09

ER

What is the ratio of m to n? (1) If m is decreased by 3

705-805 (Hard) | Fractions and Ratios

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

rxs0005

21 Nov 2010, 03:34

6

3

4,825

by: finisher009

07 Aug 2025, 21:38

At State University, the average (arithmetic mean) salary of

555-605 (Medium) | Statistics and Sets Problems

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

rxs0005

21 Nov 2010, 08:19

5

7

5,147

by: bumpbot

20 Jun 2021, 04:03

ER

Is x^2 - y^2 even? (1) x + y is odd (2) x - y is odd

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Pepe

21 Nov 2010, 10:27

9

5

6,368

by: bumpbot

19 May 2024, 13:10

ER

If x - y > 10, is x - y > x + y ? (1) x = 8 (2) y = -20

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

vrajesh

21 Nov 2010, 16:44

50

9

18,278

by: bumpbot

24 Mar 2025, 08:51

ER

x, q, r are positive integers. x/17 = q and remainder is r.

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

nades09

21 Nov 2010, 17:49

25

6

5,599

by: bumpbot

29 Nov 2024, 05:44

ER

To arrive at its destination on time, a bus should have maintained

805+ (Hard) | Distance and Speed Problems

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

Bunuel

14 Aug 2023, 09:37

138

18

20,914

by: Vivek1707

03 Apr 2026, 04:53

ER

What is the volume of a cardboard box with sides a, b, and c ?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

TehJay

22 Nov 2010, 19:55

4

4,299

by: KarishmaB

23 Nov 2010, 09:26

ER

Every point in the xy plane satisfying the condition ax + by c is sa

805+ (Hard) | Algebra, Coordinate Plane

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

KarishmaB

23 Nov 2010, 19:00

19

14

8,639

by: bumpbot

11 Jan 2024, 02:01

ER

Is |a| = b - c ?

605-655 (Medium) | Absolute Values

605-655 (Medium) | Absolute Values hide tags

gmat1011

23 Sep 2018, 09:13

18

19

8,096

by: bumpbot

01 Mar 2020, 04:23

ER

If & represents one of the operations +, - and x. Is (a&b) +

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

gmat1011

25 Nov 2010, 01:40

21

8

9,867

by: bumpbot

14 Jun 2025, 04:07

ER

In a certain game played with red chips and blue chips, each

705-805 (Hard) | Arithmetic, Word Problems

705-805 (Hard) | Arithmetic, Word Problems hide tags

rite2deepti

25 Nov 2010, 01:58

30

6

13,986

by: bumpbot

06 Jan 2025, 06:07

ER

Each week John earns X dollars per hour for the first 40

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

rite2deepti

25 Nov 2010, 05:56

6

3

9,238

by: bumpbot

18 Dec 2021, 23:36

ER

If the total price of n equally priced stock shares is p, what is p?

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

rxs0005

25 Nov 2010, 09:30

2

4

5,364

by: bumpbot

03 Jun 2023, 00:58