GMAT Data Sufficiency (DS) Forum - Free Practice Questions

ER

Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

176

15

78,782

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

856

24

188,556

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

487,989

by: bb

29 Aug 2025, 13:27

ER

What is the ratio x : y: z ?

805+ (Hard) | Fractions and Ratios

805+ (Hard) | Fractions and Ratios hide tags

Ric123

10 Jan 2014, 03:14

46

10

16,244

by: Kushchokhani

09 Jun 2022, 00:28

ER

The events A, B, and C are independent. What is the probability that

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

goodyear2013

09 Feb 2026, 23:43

57

6

25,882

by: bumpbot

09 Feb 2026, 23:41

ER

If x = 0.rstu, where r, s, t, and u each represent a nonzero digit of

555-605 (Medium) | Fractions and Ratios

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

Bunuel

09 Jan 2014, 06:56

111

10

26,763

by: bumpbot

30 Oct 2025, 00:22

ER

John took a test that had 60 questions numbered from 1 to 60

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

09 Jan 2014, 06:54

12

8

14,639

by: totaltestprepNick

25 Feb 2026, 16:24

ER

If both x and y are nonzero numbers, what is the value of y/x?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

09 Jan 2014, 06:52

65

17

27,491

by: bumpbot

18 Sep 2025, 02:06

ER

What is Ricky's age now?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

09 Jan 2014, 06:50

32

5

24,702

by: totaltestprepNick

04 Mar 2026, 10:44

ER

How many newspapers were sold at a certain newsstand today?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

09 Jan 2014, 06:49

3

5

14,977

by: bumpbot

13 Jun 2024, 01:32

ER

On Monday a store had a sale on bottles of juice S and juice

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

nailit

07 Jan 2014, 07:04

9

3

10,851

by: bumpbot

09 Feb 2023, 07:15

ER

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

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

07 Jan 2014, 05:22

19

8

22,259

by: bumpbot

25 Dec 2024, 12:55

ER

If r, s, and t are nonzero integers, is r^5*s^3*t^4 negative

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

07 Jan 2014, 05:20

62

8

25,785

by: totaltestprepNick

23 Feb 2026, 13:15

ER

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

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

07 Jan 2014, 05:19

16

4

13,396

by: totaltestprepNick

26 Feb 2026, 13:01

ER

A collection of 36 cards consists of 4 sets of 9 cards each. The 9 car

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

Bunuel

07 Jan 2014, 05:13

158

9

34,284

by: rushimehta

23 Jun 2025, 08:09

ER

The only contents in a container are green disks, blue disks

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

sanjoo

07 Jan 2014, 04:08

20

6

11,097

by: bumpbot

22 Nov 2023, 03:49

ER

Is |x| < 1 ?

Poor Quality

Poor Quality hide tags

gmatgambler

06 Jan 2014, 03:12

9

5

4,312

by: Bunuel

30 Aug 2016, 10:18

ER

What is the value of x ?

Poor Quality

Poor Quality hide tags

cssk

05 Jan 2014, 10:35

3

2,797

by: cssk

05 Jan 2014, 10:55

ER

If a = 3bc, what is the value of c?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

werbliben

05 Jan 2014, 06:36

13

12

7,880

by: bumpbot

18 Jun 2023, 10:57

ER

For real numbers, A, B, C, and D on the number line

805+ (Hard) | Absolute Values +2 tags

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

idinuv

04 Jan 2014, 23:57

74

12

10,805

by: bumpbot

10 Aug 2024, 01:17

ER

Is the positive integer y a multiple of 12?

655-705 (Hard) | Multiples and Factors

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

GMATBeast

04 Jan 2014, 19:20

68

16

18,020

by: bumpbot

23 Jul 2024, 09:44

ER

If p = 3q, is p^2 > q^2

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

vikrantgulia

03 Jan 2014, 08:01

14

11

5,794

by: sumisachan

16 Nov 2018, 04:14

ER

If x, y, and z are three integers, are they consecutive integers?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

03 Jan 2014, 06:21

28

7

19,569

by: totaltestprepNick

04 Mar 2026, 11:30

ER

In the triangle above, does a^2 + b^2 = c^2 ?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

03 Jan 2014, 06:20

19

7

17,628

by: bumpbot

03 Jun 2023, 10:34

ER

What is the value of the positive integer n ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

03 Jan 2014, 06:17

39

10

19,898

by: bumpbot

25 Mar 2025, 08:59

ER

What was the amount of money donated to a certain charity?

Sub 505 (Easy) | Arithmetic, Percent and Interest Problems

Sub 505 (Easy) | Arithmetic, Percent and Interest Problems hide tags

Bunuel

03 Jan 2014, 06:13

39

12

25,566

by: totaltestprepNick

25 Feb 2026, 15:23

ER

What is the value of x? (1) x + 1 = 2 - 3x (2) 1/(2x) = 2

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

31 Dec 2013, 07:23

3

5

13,550

by: totaltestprepNick

26 Feb 2026, 12:58

ER

For a recent play performance, the ticket prices were $25 per adult an

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

31 Dec 2013, 07:21

60

9

20,736

by: bumpbot

30 Dec 2024, 08:24

ER

The total cost of an office dinner was shared equally by k of the n em

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

31 Dec 2013, 07:20

41

12

22,450

by: bumpbot

18 Jun 2025, 02:28

ER

What were the gross revenues from ticket sales for a certain

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

31 Dec 2013, 07:18

7

8

12,439

by: totaltestprepNick

25 Feb 2026, 16:22

ER

If J, S, and V are points on the number line, what is the distance bet

505-555 (Easy) | Arithmetic

505-555 (Easy) | Arithmetic hide tags

Bunuel

31 Dec 2013, 07:12

49

5

20,796

by: bumpbot

18 Dec 2024, 06:59

ER

What is the greatest common factor of positive integers x an

555-605 (Medium) | Multiples and Factors

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

enigma123

31 Dec 2013, 03:53

19

8

11,053

by: bumpbot

08 Dec 2022, 03:17

ER

If a^6-b^6=0 what is the value of a^3+b^3?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

gmat6nplus1

29 Dec 2013, 07:29

32

7

7,421

by: bumpbot

17 Jul 2025, 03:58

ER

The symbol Ω represents one of the following operations: add

555-605 (Medium) | Algebra +2 tags

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

ROckHIsT

29 Dec 2013, 03:38

56

8

16,107

by: bumpbot

16 Oct 2024, 07:43

ER

Is the positive square root of x an integer?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

blackcrow

29 Dec 2013, 03:09

8

3

12,383

by: bumpbot

17 Sep 2024, 03:52

ER

Of the 230 single-family homes built in City X last year, ho

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

Bunuel

27 Dec 2013, 05:43

83

7

21,491

by: bumpbot

23 Feb 2026, 06:12

ER

Some computers at a certain company are Brand X and the rest are Brand

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

27 Dec 2013, 05:41

16

6

15,766

by: totaltestprepNick

02 Mar 2026, 07:34

ER

Committee member W wants to schedule a one-hour meeting on T

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

27 Dec 2013, 05:39

4

15,075

by: bumpbot

02 May 2021, 19:10

ER

A certain dealership has a number of cars to be sold by its

505-555 (Easy) | Remainders, Word Problems

505-555 (Easy) | Remainders, Word Problems hide tags

Bunuel

27 Dec 2013, 05:37

74

10

24,739

by: totaltestprepNick

02 Mar 2026, 08:10

ER

If Ann saves x dollars each week and Beth saves y dollars ea

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

27 Dec 2013, 05:35

31

7

20,562

by: silversurfer11

05 Jan 2024, 04:58

ER

What is the value of xyz?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

suk1234

26 Dec 2013, 10:45

28

19

11,313

by: Ankit__7182

24 Jun 2024, 06:21

ER

If M < N, is M^2-MN < 0?

805+ (Hard) | Algebra, Inequalities

805+ (Hard) | Algebra, Inequalities hide tags

GMATBeast

24 Dec 2013, 23:11

17

16

5,508

by: bumpbot

06 Oct 2020, 23:27

ER

A retailer purchased a television set for x percent less than its list

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

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

Bunuel

24 Dec 2013, 03:55

57

8

26,253

by: bumpbot

15 Jun 2025, 10:34

ER

If l and w represent the length and width, respectively, of

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

24 Dec 2013, 03:52

8

7

17,577

by: bumpbot

28 Apr 2023, 23:57

ER

If n is an integer, then n is divisible by how many positive integers?

505-555 (Easy) | Multiples and Factors, Number Properties

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

Bunuel

24 Dec 2013, 03:48

121

15

36,299

by: Bunuel

10 Oct 2025, 00:46

ER

What is the value of r/2 + s/2 ? (1) (r + s)/2 = 5 (2) r + s = 10

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

24 Dec 2013, 03:45

10

5

21,427

by: totaltestprepNick

28 Feb 2026, 09:12

ER

What is the average (arithmetic mean) of x and y?

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

Bunuel

24 Dec 2013, 03:42

27

5

43,840

by: totaltestprepNick

04 Mar 2026, 10:50

ER

Yesterday, an automobile dealership sold exactly 15 vehicles

705-805 (Hard) | Statistics and Sets Problems, Word Problems

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

madhavsrinivas

24 Dec 2013, 02:12

174

15

24,707

by: bumpbot

06 Apr 2026, 06:11

ER

Occupancy rate is defined as the number of units occupied,

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

madhavsrinivas

24 Dec 2013, 02:22

69

11

14,736

by: bumpbot

29 Nov 2024, 05:55

ER

A nonprofit group organizes its local fundraisers in teams,

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

madhavsrinivas

23 Dec 2013, 11:06

159

14

23,335

by: shubs80

07 Dec 2024, 02:55

ER

Alice, Barbara, and Cynia work on identical tasks at differe

655-705 (Hard) | Work and Rate Problems

655-705 (Hard) | Work and Rate Problems hide tags

idinuv

23 Dec 2013, 08:01

46

8

14,564

by: bumpbot

25 Jan 2025, 19:38

ER

If a, b, c, and d are all positive integers, is c divisible by a/d?

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

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

mniyer

22 Dec 2013, 11:02

22

11

4,714

by: bumpbot

24 Oct 2024, 20:47

ER

Peter went to the store to buy paint. Small cans cost $30 and larger

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

mikemcgarry

19 Dec 2013, 11:03

14

8

10,127

by: bumpbot

18 Jun 2025, 11:26