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

78,938

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

857

24

188,642

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

488,139

by: bb

29 Aug 2025, 13:27

ER

The course grade for a mathematics course consists of 60 percent of

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

GMAT695

09 Oct 2024, 00:10

28

6

6,333

by: Bunuel

31 May 2025, 11:33

ER

If k, m, and p are integers, is k – m – p odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

21 Feb 2020, 02:07

11

6,331

by: bumpbot

10 Apr 2022, 03:07

ER

In quadrilateral ABCD, what is the value of angle ADC?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

19 Oct 2020, 00:15

10

5

6,329

by: bumpbot

29 Jul 2023, 18:29

ER

A candy manufacturer decided to decrease the weight of each candy bar,

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

29 Jan 2016, 03:21

12

11

6,328

by: bumpbot

05 Dec 2020, 01:26

ER

The rectangular mirror has area greater than 10 square cm

805+ (Hard) | Geometry, Inequalities

805+ (Hard) | Geometry, Inequalities hide tags

samusa

31 Mar 2016, 11:18

47

7

6,326

by: bumpbot

03 Aug 2023, 08:41

ER

4 men and 10 women were assigned to complete a work. Can they complete

705-805 (Hard) | Work and Rate Problems

705-805 (Hard) | Work and Rate Problems hide tags

Bunuel

05 Jul 2017, 00:45

36

4

6,324

by: bumpbot

16 Jan 2026, 11:19

ER

How many prime factors does x^37 have?

805+ (Hard) | Exponents, Multiples and Factors

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

TARGET730

09 Mar 2015, 05:47

39

10

6,323

by: bumpbot

06 Aug 2021, 04:49

ER

Is x^7 < 6^y ? (1) x^3 = 125 (2) y^2 = 36

605-655 (Medium) | Exponents, Inequalities

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

Bunuel

22 Nov 2018, 03:12

24

5

6,321

by: bumpbot

04 Mar 2025, 04:44

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w, x, y and z are positive integers such that y < z < x < w.

805+ (Hard) | Remainders

805+ (Hard) | Remainders hide tags

BrentGMATPrepNow

13 Jun 2018, 10:27

27

12

6,319

by: bumpbot

09 Apr 2025, 16:52

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Is ABCD a square? (1) AB is parallel to CD (2) ABCD is an equilateral

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

08 Feb 2018, 05:51

20

4

6,318

by: bumpbot

11 Oct 2024, 23:02

ER

If m is an integer, is m/102 an integer?

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

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

Bunuel

13 Feb 2015, 08:49

37

7

6,316

by: bumpbot

03 Jul 2025, 02:28

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If x is a positive integer, is (x^2 + y^2)^1/2 an integer?

655-705 (Hard) | Algebra, Number Properties

655-705 (Hard) | Algebra, Number Properties hide tags

Bunuel

24 Mar 2015, 04:30

27

9

6,314

by: bumpbot

07 Aug 2024, 03:30

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Is z > 0.5 ?

Sub 505 (Easy) | Fractions and Ratios, Inequalities

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

zatspeed

12 Mar 2015, 06:36

7

3

6,314

by: bumpbot

09 Jan 2023, 14:44

ER

Is x < y ? (1) 1/x < 1/y (2) x/y < 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

vishalrastogi

05 Nov 2020, 06:39

35

8

6,312

by: rak08

22 May 2025, 03:56

ER

What is the area of square ABCD, as shown in the coordinate plane abov

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

AbdurRakib

04 Aug 2016, 10:52

11

10

6,312

by: bumpbot

08 Oct 2023, 11:34

ER

GMAT Club Olympics 2024 (Day 7): The French and German teams are

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

16 Jul 2024, 07:00

21

12

6,311

by: bumpbot

16 Nov 2025, 08:09

ER

Of the N books on a Table, some are English and the rest are Bangla.

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

mamun2871

17 Apr 2018, 04:31

32

6

6,310

by: bumpbot

21 Apr 2025, 02:00

ER

A certain floor of an office building has 1,200 square feet of floor

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

30 Aug 2015, 11:04

29

7

6,307

by: bumpbot

19 Feb 2024, 19:11

ER

If y is an integer such that 2 < y < 100 and if y is also the square

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

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

Bunuel

14 Jan 2015, 02:35

14

6

6,305

by: bumpbot

28 Mar 2025, 10:08

ER

If x, y, and z are positive integers such that x < y < z, is x a facto

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

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

Bunuel

08 Jun 2015, 07:43

24

9

6,305

by: GMATBusters

30 Aug 2024, 19:35

ER

What is the value of x?

605-655 (Medium) | Absolute Values, Algebra

605-655 (Medium) | Absolute Values, Algebra hide tags

Bunuel

01 Jun 2015, 07:59

22

8

6,305

by: bumpbot

27 Apr 2024, 07:51

ER

If s is an integer between 0 and 10, is t less than the aver

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

mshrek

15 Jul 2014, 09:03

18

8

6,305

by: bumpbot

09 Nov 2022, 01:15

ER

M grams of water was added to 49 grams of a strong solution of acid. I

805+ (Hard) | Mixture Problems

805+ (Hard) | Mixture Problems hide tags

GMATBusters

04 Jan 2020, 19:25

21

18

6,304

by: bumpbot

28 Jun 2025, 12:39

ER

If x and y are positive integers, what is the remainder when y^x is

555-605 (Medium) | Number Properties, Remainders

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

Bunuel

24 Apr 2016, 11:54

11

4

6,302

by: bumpbot

19 May 2024, 04:26

ER

Is x positive? (1) |x + 6| > 6 (2) |x - 6| > 6

555-605 (Medium) | Absolute Values, Inequalities

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

CAMANISHPARMAR

13 Jan 2019, 09:36

25

3

6,301

by: bumpbot

12 Feb 2024, 02:34

ER

Is x < y ? (1) z^2 < y (2) x < z

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

13 Mar 2017, 08:20

32

6

6,301

by: bumpbot

18 May 2022, 11:59

ER

Is xy < 1? (1) 2/x > 3y (2) x > 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

18 Jun 2015, 02:56

15

4

6,300

by: YB10

08 Sep 2023, 08:22

ER

If x and y are positive integers, what is the remainder when (x^2 + y^

605-655 (Medium) | Number Properties, Remainders

605-655 (Medium) | Number Properties, Remainders hide tags

Bunuel

27 Nov 2018, 01:04

31

7

6,295

by: bumpbot

30 Dec 2025, 22:38

ER

If |12x − 3| = |3x + 15|, what is the value of x?

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

Bunuel

10 Aug 2018, 03:47

18

7

6,290

by: nandini14

24 Sep 2025, 10:53

ER

Sam has a drawer full of exactly 59 packets, each containing a marker

605-655 (Medium) | Min-Max Problems, Word Problems

605-655 (Medium) | Min-Max Problems, Word Problems hide tags

amanvermagmat

22 Mar 2018, 07:33

51

6

6,290

by: Bunuel

23 Sep 2025, 13:12

ER

A clothing boutique bought a particular shirt for c dollars and sold t

655-705 (Hard) | Percent and Interest Problems, Word Problems

655-705 (Hard) | Percent and Interest Problems, Word Problems hide tags

Bunuel

18 Apr 2017, 04:52

13

5

6,289

by: bumpbot

26 Jan 2026, 05:02

ER

Is x > y? (1) a*x^4 + a*|y| < 0 (2) a*x^3 > a*y^3

705-805 (Hard) | Absolute Values, Inequalities

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

Bunuel

29 May 2015, 05:54

38

11

6,289

by: bumpbot

15 Nov 2022, 04:28

ER

Given that x is a real number, is −1 < x < 3? (1) | |x − 1| − 1 | < 1

655-705 (Hard) | Absolute Values, Inequalities

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

gsingh0711

30 Jul 2018, 20:44

35

7

6,288

by: bumpbot

10 Jan 2024, 04:01

ER

Is √(56x) an integer?

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

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

honchos

01 Dec 2013, 17:36

10

4

6,287

by: bumpbot

15 Jul 2025, 13:18

ER

If 4t/3x = 2/3y + 2/5y and xy is not equal to 0, is t equal to 1?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

04 Apr 2016, 07:13

9

7

6,287

by: bumpbot

22 May 2022, 15:26

ER

If the average (arithmetic mean) of four different positive integers

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

06 Oct 2021, 01:30

6

4

6,286

by: bumpbot

23 Feb 2025, 04:57

In a 200 meter race on a straight track, A was the winner and C finish

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

desaichinmay22

04 Dec 2014, 02:51

24

7

6,285

by: bumpbot

01 Oct 2025, 12:35

ER

A certain car rental agency rented 25 vehicles yesterday, each of whic

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

17 Apr 2015, 04:55

30

11

6,284

by: bumpbot

20 Jul 2025, 17:20

ER

Is x < y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Puneethrao

01 Nov 2013, 01:01

14

8

6,282

by: bumpbot

20 Jul 2025, 19:19

ER

Is x = 4? (1) |x + 2| < 10 (2) |x + 5| > 10

605-655 (Medium) | Absolute Values, Inequalities

605-655 (Medium) | Absolute Values, Inequalities hide tags

Bunuel

20 Apr 2018, 06:14

20

8

6,281

by: bumpbot

24 Jul 2025, 08:51

ER

The hold of a fishing boat contains only cod, haddock, and halibut.

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

28 Jul 2016, 05:23

17

7

6,281

by: bumpbot

11 Apr 2023, 09:01

ER

Line L is a line in the x-y plane. Does line L pass through the secon

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

23 Feb 2015, 03:32

12

5

6,279

by: nosaj

25 Aug 2024, 16:17

ER

In ∆PQR above, what is the value of y? (1) x = 60 (2) y + z = 150

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

28 May 2017, 01:38

4

6,279

by: bumpbot

13 Oct 2023, 09:33

ER

12 Days of Christmas GMAT Competition - Day 5: What is the percentage

655-705 (Hard) | Mixture Problems

655-705 (Hard) | Mixture Problems hide tags

Bunuel

18 Dec 2021, 07:00

12

5

6,278

by: bumpbot

23 Dec 2025, 20:42

ER

The twelve numbers shown represent, the ages, in years, of the twelve

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

20 May 2019, 21:20

2

4

6,276

by: Bunuel

15 Nov 2021, 08:28

ER

A teacher distributed pens, pencils, and erasers among the students of

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

25 May 2022, 08:00

7

3

6,275

by: Bunuel

16 Apr 2025, 00:50

ER

A lottery game requires the entrant to select any 7-digit number. The

805+ (Hard) | Fractions and Ratios, Percent and Interest Problems

805+ (Hard) | Fractions and Ratios, Percent and Interest Problems hide tags

AbdurRakib

06 Jun 2016, 11:30

22

7

6,275

by: bumpbot

13 Jun 2024, 10:24

ER

Is DE parallel to BC ? DB = AD. (1) AE = EC (2) DB = EC

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

17 Oct 2017, 23:48

12

8

6,275

by: bumpbot

08 Dec 2020, 14:00

ER

Is x^2 > 2^x? (1) x is a prime number. (2) x^2 is a multiple of 9.

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

PathFinder007

27 Oct 2023, 12:42

15

7

6,272

by: bumpbot

21 Mar 2025, 08:55

ER

If x > 1 and m > 1 , is x m < (m + x + 1) ?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

Hussain15

20 Jun 2010, 05:45

17

11

6,272

by: bumpbot

13 Mar 2023, 09:33