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

179

15

79,092

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

188,734

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

488,303

by: bb

29 Aug 2025, 13:27

ER

If ab/cd < 0 , is bc > ad (1) cd > ab (2) b < c < 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

yezz

24 Aug 2015, 08:13

33

17

13,262

by: bumpbot

12 Oct 2023, 02:29

ER

If x is an integer, what is the sum of all distinct positive

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

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

nades09

26 Nov 2010, 19:55

33

11

8,913

by: bumpbot

12 Dec 2023, 21:55

ER

A circle is inscribed in a regular hexagon. A regular hexagon is inscr

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

03 Jun 2015, 05:16

33

9

21,459

by: bumpbot

24 Dec 2023, 00:08

ER

How many books will fit into a drawer? (1) Each book has a volume of

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

23 May 2020, 07:53

33

9

7,623

by: bumpbot

24 Dec 2023, 01:55

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If a, b, c is an integer, what is value of a+b+c?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

BillyZ

14 Feb 2017, 19:31

33

5

8,693

by: bumpbot

21 Jan 2024, 21:54

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If x > y, is x > 6 ? (1) (x - 7)(y - 7) = 0 (2) x > 18 - 2y

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

kevincan1

26 Jan 2016, 02:52

33

6

4,855

by: bumpbot

11 Feb 2024, 01:21

ER

What are the coordinates of point B ?

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

pacifist85

06 Feb 2015, 13:32

33

12

16,282

by: bumpbot

12 Feb 2024, 05:46

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If x is a positive integer, what is the remainder when x is divided by

805+ (Hard) | Remainders

805+ (Hard) | Remainders hide tags

Bunuel

04 Dec 2019, 02:52

33

5

9,789

by: bumpbot

10 Mar 2024, 07:18

ER

Alan and Peter are cycling at different constant rates on a

555-605 (Medium) | Distance and Speed Problems

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

summer101

11 May 2015, 03:34

33

10

10,215

by: bumpbot

13 May 2024, 01:01

ER

Is |x| = y + z?

655-705 (Hard) | Absolute Values, Inequalities

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

1, 2

pgmat

28 Nov 2013, 10:24

33

21

15,687

by: bumpbot

31 May 2024, 12:31

ER

x is a prime number and y is a positive integer. If x and y have only

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

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

kiran120680

06 Jun 2019, 09:28

33

2

6,002

by: bumpbot

14 Jul 2024, 04:41

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If x and y are integers, is y an even integer?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Maksym

05 Jul 2014, 05:11

33

6

7,974

by: Bunuel

25 Aug 2024, 05:51

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If j > 1, is integer j a prime number? (1) When j is divided by 3, th

605-655 (Medium) | Number Properties, Remainders

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

shasadou

09 Jan 2016, 11:04

33

8

11,197

by: GMATBusters

30 Aug 2024, 07:22

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A coin purse contains 13 coins, each worth 1, 5, 10, or 25 cents; the

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

01 May 2015, 02:20

33

6

7,428

by: bumpbot

31 Aug 2024, 03:42

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

7,687

by: bumpbot

08 Sep 2024, 12:17

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Is (a - k)/(b - k) > (a + k)/(b + k) ? (1) a > b > k (2) k > 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

bagdbmba

31 Jul 2013, 10:50

33

12

7,078

by: bumpbot

07 Oct 2024, 20:22

ER

The 9 squares above are to be filled with x's and o's, with only one

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

26 Apr 2019, 02:13

33

15

19,941

by: bumpbot

13 Oct 2024, 13:00

ER

If x is a nonzero number, which of the three numbers x, 1/x

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

goodyear2013

29 Mar 2014, 09:47

33

8

12,956

by: bumpbot

16 Oct 2024, 23:55

ER

Is 2x > 2y ? (1) x > y (2) 3x > 3y

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

06 Oct 2016, 01:21

33

14

20,436

by: bumpbot

31 Oct 2024, 01:16

ER

M and N are two positive integers and each of them has 20 factors. If

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

axezcole

21 Apr 2019, 07:37

33

7

5,806

by: bumpbot

08 Jan 2025, 02:55

ER

There are 42 students in a group. If each student is either

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

tejal777

22 Apr 2014, 02:29

33

14

14,438

by: bumpbot

15 Jan 2025, 02:41

ER

Of the members of a certain health club, 30 percent are wome

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

ankurjohar

24 Jun 2013, 12:08

33

9

8,365

by: bumpbot

05 Feb 2025, 04:24

ER

Given that both x and y are positive integers, and that y = 3^(x – 1)

705-805 (Hard) | Exponents, Multiples and Factors

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

Bunuel

10 Feb 2020, 02:24

33

11

11,160

by: bumpbot

05 Feb 2025, 21:33

ER

What is the value of t?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

1, 2

Bunuel

16 Jun 2016, 03:26

33

20

25,930

by: bumpbot

25 Feb 2025, 03:56

ER

Ann, Beth, and Steve each spent some amount of time

555-605 (Medium) | Statistics and Sets Problems

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

gmat2324

30 Jun 2024, 14:35

33

7

6,611

by: ManifestDreamMBA

05 Mar 2025, 08:19

ER

The figure above shows an array of 30 square tiles, each of which is

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

17 Apr 2024, 14:32

33

2

8,500

by: bumpbot

19 Apr 2025, 19:41

ER

If set Z has a median of 19 , what is the range of set Z?

555-605 (Medium) | Statistics and Sets Problems

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

rahularke

15 Sep 2009, 08:24

33

13

11,916

by: bumpbot

26 Apr 2025, 06:10

ER

For all integers n, n* = n(n – 1). What is the value of x* w

705-805 (Hard) | Arithmetic, Functions and Custom Characters

705-805 (Hard) | Arithmetic, Functions and Custom Characters hide tags

srini123

20 Nov 2009, 16:24

33

12

8,742

by: bumpbot

28 Apr 2025, 00:57

ER

If x, y, and z are integers and 2^x*5^y*z = 6.4*10^6, what is the valu

605-655 (Medium) | Algebra, Exponents

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

Bunuel

04 Apr 2026, 11:18

33

8

7,880

by: bumpbot

13 May 2025, 19:55

ER

For an integer n greater than 1, n! denotes the product of all integer

805+ (Hard) | Fractions and Ratios +2 tags

805+ (Hard) | Fractions and Ratios, Multiples and Factors, Number Properties hide tags

aragonn

21 Mar 2019, 21:47

33

4

4,152

by: bumpbot

27 May 2025, 11:28

ER

n is a positive integer less than 300. Is n prime?

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

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

mangamma

13 May 2019, 09:00

33

6

6,809

by: bumpbot

29 May 2025, 13:33

ER

If x and y are integers, is (x−1)>y?

705-805 (Hard) | Arithmetic

705-805 (Hard) | Arithmetic hide tags

guerrero25

04 Feb 2014, 15:43

33

10

8,581

by: bumpbot

02 Jun 2025, 08:52

ER

A firm has at least 5 partners, of whom at least 2 are male and at

805+ (Hard) | Combinations, Probability

805+ (Hard) | Combinations, Probability hide tags

RonPurewal

12 Nov 2017, 09:27

33

14

5,895

by: bumpbot

02 Jun 2025, 10:11

ER

Working together at their constant rates, pumps X and Y can fill an

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

Bunuel

05 Jun 2025, 10:25

33

4

13,910

by: Bunuel

06 Jun 2025, 12:27

ER

The consumer price index in Zeropia in 2009 relative to the

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

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

Pansi

08 Nov 2012, 16:21

33

6

11,563

by: bumpbot

10 Jun 2025, 15:10

ER

Is xy > 16? (1) 1 < |x| < 4 (2) y > 16

505-555 (Easy) | Absolute Values, Inequalities

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

Bunuel

21 Feb 2016, 10:08

33

14

12,360

by: bumpbot

12 Jun 2025, 23:33

ER

What is the value of x?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

banksy

26 Feb 2011, 17:37

33

7

14,388

by: bumpbot

13 Jun 2025, 04:37

ER

If x and y are positive integers such that the product of x

655-705 (Hard) | Exponents, Number Properties

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

saikiranx

25 Nov 2012, 05:51

33

8

9,120

by: bumpbot

18 Jun 2025, 18:25

ER

What is the value of q ? (1) q = 9^(1/2) (2) |q| = 3

505-555 (Easy) | Absolute Values +2 tags

505-555 (Easy) | Absolute Values, Number Properties, Roots hide tags

Bunuel

15 Nov 2018, 05:34

33

4

6,397

by: bumpbot

12 Jul 2025, 06:50

ER

If a and b are single-digit positive numbers and a/b is NOT a recurrin

705-805 (Hard) | Inequalities +2 tags

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

Bunuel

29 May 2015, 06:22

33

6

7,383

by: bumpbot

05 Aug 2025, 04:39

ER

What is the value of x ? (1) x^4 = |x| (2) x^2 > x

555-605 (Medium) | Absolute Values, Inequalities

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

guerrero25

11 Feb 2013, 01:09

33

3

7,496

by: bumpbot

14 Aug 2025, 07:04

ER

At an engineering firm, 80 employees have graduate degrees (PhDs or Ma

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

09 Feb 2017, 03:14

33

14

9,804

by: bumpbot

13 Sep 2025, 23:37

A clothing store sold a certain brand of shirts for X dollars each las

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

gmathero911

13 Apr 2024, 17:33

33

3

11,332

by: DonBosco7

29 Sep 2025, 22:14

ER

John purchased large bottles of water for $2 each and small

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

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

dzodzo85

23 Apr 2012, 05:12

33

13

9,896

by: bumpbot

14 Oct 2025, 03:03

ER

What is the remainder when 33 is divided by the integer y?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

3111987

21 Jan 2014, 14:35

33

8

14,209

by: bumpbot

18 Dec 2025, 19:39

ER

What is the value of X in the above list of 7 numbers?

505-555 (Easy) | Statistics and Sets Problems

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

gmatt1476

21 Sep 2019, 15:55

33

8

13,557

by: bumpbot

06 Jan 2026, 09:12

ER

What was John's average driving speed in miles per hour during a 15-mi

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

GMATBusters

15 Dec 2018, 07:03

33

4

16,303

by: bumpbot

10 Jan 2026, 20:21

ER

Point K = (A,0), Point G = (2A + 4, sqrt2A+ 9). Is the dista

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

sambam

29 Oct 2014, 08:37

33

6

18,117

by: bumpbot

17 Jan 2026, 15:47

ER

12 Days of Christmas GMAT Competition - Day 3: During a festive Christ

805+ (Hard) | Work and Rate Problems

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

Bunuel

13 Dec 2023, 07:00

33

7

9,589

by: bumpbot

16 Feb 2026, 10:34

ER

GMAT Club World Cup 2022 (DAY 8): Set A consists of nine consecutive

805+ (Hard) | Statistics and Sets Problems

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

Bunuel

20 Jul 2022, 08:00

33

12

4,825

by: Navdeep2000

21 Feb 2026, 12:14