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

183

15

83,937

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of May 2026

1, 2

Bunuel

01 Jan 2026, 05:45

863

24

191,938

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

491,936

by: bb

29 Aug 2025, 13:27

ER

If x, y, and z are integers, is x + y^2 + 3z >= 0 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

praveenvino

22 Jan 2022, 12:12

6

8

7,956

by: bumpbot

15 Sep 2024, 21:53

ER

If a and b are integers and a is even, what is the value of a - b?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

aashaybaindurgmat

15 Oct 2017, 01:37

7

6

7,744

by: bumpbot

15 Sep 2024, 21:51

ER

Is n an integer? (1) 2n is an integer. (2) 3n is an integer.

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

ts2014

29 Sep 2020, 01:27

46

19

19,389

by: bumpbot

15 Sep 2024, 21:50

ER

If z is an integer, is z prime?

605-655 (Medium) | Multiples and Factors, Number Properties

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

energetics

09 May 2019, 14:57

20

6

9,027

by: bumpbot

15 Sep 2024, 21:50

ER

Is the standard deviation of set X greater than the standard deviation

655-705 (Hard) | Statistics and Sets Problems

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

BrentGMATPrepNow

26 Sep 2021, 07:07

24

3

5,176

by: Bunuel

15 Sep 2024, 13:14

Is the positive square root of x an integer? (1) x = n^3 and n is a pe

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Carcass

05 Sep 2022, 04:37

12

8

2,537

by: Cowtommi

15 Sep 2024, 12:36

ER

What is the median of five integers 20, 22, 26, 30 and a?

805+ (Hard) | Statistics and Sets Problems

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

Bunuel

13 Mar 2016, 09:24

12

5

3,585

by: glagad

14 Sep 2024, 23:37

The table above shows the numbers of pets owned by the respondents to

555-605 (Medium) | Statistics and Sets Problems

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

kanishaksharma

01 Nov 2021, 04:11

2

3

2,901

by: glagad

14 Sep 2024, 23:16

ER

If x is a perfect square, such that 9x^5 has 5 distinct prime factors

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Syumbel1

28 Nov 2023, 07:14

5

3

2,509

by: MartyMurray

14 Sep 2024, 16:19

ER

If n is a positive integer, what is the remainder when (7^n + 5) is di

605-655 (Medium) | Exponents, Remainders

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

Bunuel

31 Aug 2020, 00:13

18

6

8,793

by: bumpbot

14 Sep 2024, 09:53

ER

If N = 1234 and represents the units digit, is N a multiple of 5?

705-805 (Hard) | Multiples and Factors

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

1, 2

prab

11 Oct 2010, 19:06

62

24

21,274

by: bumpbot

14 Sep 2024, 09:33

ER

A piece of wood 5 feet long is cut into three smaller pieces. How long

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

16 Oct 2017, 10:24

7

5

12,014

by: bumpbot

14 Sep 2024, 04:24

ER

The average of 6 numbers is 8. One new number is now added

505-555 (Easy) | Statistics and Sets Problems

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

EgmatQuantExpert

14 Sep 2024, 03:07

9

6

4,715

by: bumpbot

14 Sep 2024, 02:50

ER

If n is a member of the set {33, 36, 38, 39, 41, 42}, what is the va

Sub 505 (Easy) | Statistics and Sets Problems

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

mcelroytutoring

23 May 2020, 08:12

15

2

14,807

by: bumpbot

13 Sep 2024, 23:16

ER

How much precipitation does Springfield need this month to attain its

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

12 Sep 2024, 01:30

2

3

919

by: Rod728

13 Sep 2024, 15:39

ER

Johns Pack and Ship uses price discrimination to capture consumer

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

12 Sep 2024, 01:30

3

2

1,093

by: Rahilgaur

12 Sep 2024, 23:44

ER

Do integers p and t have the same number of different prime factors?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

04 Oct 2022, 01:30

4

5

2,280

by: bumpbot

12 Sep 2024, 13:22

ER -1

Mickey made an X dollars loan at the beginning of 1996. Travis, who is

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

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

Bunuel

19 Jul 2016, 03:34

7

3,587

by: Rajiv11944

12 Sep 2024, 12:05

ER

In the figure above, points A, B, C, and D are collinear and AB, BC

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

gmatt1476

21 Sep 2019, 18:15

112

15

18,190

by: bumpbot

12 Sep 2024, 11:41

ER

If 4 < A < 6, n and m are positive integers with n > m, and T = A x 10

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

DensetsuNo

18 Jul 2016, 02:13

15

7

6,508

by: bumpbot

12 Sep 2024, 10:15

ER

On the number line, point R has coordinate r and point T has coordinat

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

16 Jun 2016, 05:44

606

17

62,747

by: SirSanguine

12 Sep 2024, 05:32

ER

a% of b is increased by a%.

505-555 (Easy) | Percent and Interest Problems

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

GMATBusters

14 Mar 2020, 19:09

4

9

2,421

by: bumpbot

11 Sep 2024, 16:46

ER

The number N is 5H72, the hundred's digit being represented by H. What

555-605 (Medium) | Multiples and Factors

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

Bunuel

12 Dec 2017, 05:50

6

7

3,174

by: bumpbot

11 Sep 2024, 13:26

ER

If line M passes through the coordinate system shown above, does line

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

05 Sep 2018, 23:32

8

2

2,824

by: bumpbot

11 Sep 2024, 09:29

ER

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

705-805 (Hard) | Statistics and Sets Problems

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

GMATBusters

05 Sep 2024, 03:53

4

3

1,085

by: Bunuel

11 Sep 2024, 07:06

ER

Which one is greater on Richards farm: the total number of pigs and

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

11 Sep 2024, 01:30

1

1,143

by: Ayeka

11 Sep 2024, 02:18

ER

If some of the passengers of the boat Silver Trout board the

605-655 (Medium) | Percent and Interest Problems

605-655 (Medium) | Percent and Interest Problems hide tags

nidhi12

11 Jun 2014, 02:29

23

15

9,267

by: bumpbot

11 Sep 2024, 00:39

ER

Is x < y < z ? (1) |x - 1| < y < z + 1 (2) |x + 1| < y < z - 1

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

25 Feb 2020, 01:54

30

4

3,611

by: bumpbot

10 Sep 2024, 23:13

ER

In a certain garden, there are only two types of flowers, Roses, and

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

10 Sep 2024, 01:30

11

2

1,427

by: tgsankar10

10 Sep 2024, 19:11

ER

A juice company is creating a new fruit punch that is 60% orange

805+ (Hard) | Mixture Problems

805+ (Hard) | Mixture Problems hide tags

Bunuel

10 Sep 2024, 01:30

9

0

2,400

by: EshaFatim

10 Sep 2024, 08:03

ER

A group of 20 friends went out for lunch. Five of them spent $21 each

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

19 Jun 2022, 23:30

3

2,341

by: bumpbot

09 Sep 2024, 23:40

ER

Is x|y| > y^2? (1) x > y (2) y > 0

555-605 (Medium) | Absolute Values, Inequalities

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

1, 2

devinawilliam83

11 Feb 2012, 01:54

78

21

21,918

by: bumpbot

09 Sep 2024, 23:39

ER

If m # n represents the integer remainder that results when a positive

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

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

Bunuel

04 Jun 2015, 04:35

17

4

6,719

by: bumpbot

09 Sep 2024, 00:31

ER

When positive integer x is divided by 7 the quotient is q and the rema

705-805 (Hard) | Multiples and Factors

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

registerincog

18 Nov 2013, 08:55

40

10

16,217

by: Bunuel

09 Sep 2024, 00:15

ER

Daniel invested a total of $10,000 for a period of one year. Part of

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

02 Mar 2022, 07:00

2

3

2,922

by: bumpbot

08 Sep 2024, 23:30

ER

If tank X contains only gasoline, how many kiloliters of gasoline are

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

08 Jul 2018, 23:40

33

8

7,732

by: bumpbot

08 Sep 2024, 12:17

ER

Three dice, each with faces numbered 1 through 6, were tossed onto a

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

fozzzy

21 Sep 2019, 16:53

68

11

16,709

by: bumpbot

08 Sep 2024, 03:50

ER

p different prizes are hidden inside v vases. One of the vases can ho

Poor Quality

Poor Quality hide tags

GMATBusters

18 Jun 2018, 10:45

45

8

6,756

by: Rachitpaliwal10

08 Sep 2024, 01:59

A certain company's profit is comprised of the profits of the 3 divisi

705-805 (Hard) | Statistics and Sets Problems

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

BillyZ

21 Feb 2017, 17:49

9

3

2,711

by: Rachitpaliwal10

08 Sep 2024, 00:30

Is the positive integer n divisible by 108?

555-605 (Medium) | Multiples and Factors

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

Atankshu

22 Nov 2020, 11:51

5

3,891

by: bumpbot

07 Sep 2024, 10:59

ER

The ration r/s is expressed as a decimal. Is r/s, a terminating decima

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

siddharthsinha123

19 Jan 2017, 02:01

47

11

11,897

by: bumpbot

07 Sep 2024, 10:30

ER

Is q < 0?

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

Mo2men

28 Dec 2018, 21:46

5

3

3,074

by: bumpbot

07 Sep 2024, 08:58

ER

In the figure above,line segment OP has slope 1/2 and line segment PQ

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

AbdurRakib

30 Jun 2016, 15:11

214

15

35,992

by: bumpbot

07 Sep 2024, 05:02

ER

List A contains 16 distinct odd integers and 9 distinct even integers

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

baru

15 Jul 2019, 10:18

8

7

2,523

by: bumpbot

07 Sep 2024, 04:16

ER

Is y a multiple of 15?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

282552

18 May 2015, 04:35

50

8

14,473

by: bumpbot

07 Sep 2024, 03:06

ER

Is the positive integer x an odd number? (1) x2 + 3x + 4 is even.

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

23 May 2022, 01:30

2

1,357

by: bumpbot

07 Sep 2024, 02:39

ER

What is the sum of a set of 33 consecutive multiples of 3?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

TheUltimateWinner

28 Sep 2020, 09:15

3

2

1,713

by: bumpbot

07 Sep 2024, 00:02

ER

All of the tickets for 2 music concerts, X and Y, were either purchase

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

02 Nov 2015, 08:33

6

8,619

by: bumpbot

06 Sep 2024, 23:58

ER

If t is a positive integer, can t2 + 1 be completely divided by 10? (

805+ (Hard) | Multiples and Factors, Remainders

805+ (Hard) | Multiples and Factors, Remainders hide tags

siddharthkapoor

13 Oct 2019, 22:22

10

3

3,269

by: bumpbot

06 Sep 2024, 22:14

ER

When opened and lying flat, a birthday card is in the shape of a regul

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

gmatt1476

21 Sep 2019, 18:21

144

19

18,326

by: bumpbot

06 Sep 2024, 11:53