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

78,626

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

854

24

188,462

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

487,847

by: bb

29 Aug 2025, 13:27

ER

The cost of delivery for an order of desk chairs was $10.00

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

ruturajp

31 Jul 2014, 02:48

14

4

6,362

by: Bunuel

31 Jul 2014, 02:49

ER

If a#b, what is the value of a+b?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

ashiima

08 May 2015, 09:23

2

3,462

by: bumpbot

13 Jun 2024, 20:39

ER

w, x, y, and z are integers. If w > x > y > z > 0, is y a common divis

805+ (Hard) | Algebra +3 tags

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ashiima

17 Feb 2022, 01:56

670

17

73,306

by: bumpbot

17 Aug 2025, 01:37

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Is x < 0 ? (1) x^3(1 - x^2) < 0 (2) x^2 - 1 < 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

ashiima

10 Dec 2011, 17:52

129

13

18,440

by: bumpbot

02 Jan 2026, 00:57

ER

If p and q are consecutive positive integers, is p a multiple of 3 ?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

metallicafan

13 Dec 2011, 09:51

5

6

4,065

by: bumpbot

09 Jul 2020, 19:54

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Are positive integers j and k both greater than m?

605-655 (Medium) | Inequalities, Number Properties

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

metallicafan

14 Dec 2011, 09:31

12

8

5,912

by: bumpbot

16 Dec 2018, 09:27

ER

Is z less than 0?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

metallicafan

14 Dec 2011, 09:57

3

7

4,884

by: bumpbot

10 Dec 2022, 09:52

ER

How many hours did it take Dale to drive from A-town to B-town?

555-605 (Medium) | Distance and Speed Problems

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

shrive555

20 Dec 2011, 07:47

54

8

16,396

by: bumpbot

24 Jun 2025, 22:06

ER

In the figure above, what is the ratio of the area of triangle ABC to

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SonyGmat

08 Jan 2012, 04:59

2

9

9,075

by: SonyGmat

09 Jan 2012, 14:45

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If a, b, c, d and e are integers and p=2^a3^b and q=2^c3

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

1, 2

enigma123

09 Jan 2012, 21:58

231

24

39,037

by: bumpbot

22 Nov 2025, 08:49

ER

Given that a, b, c, and, d are non-negative integers, is the

655-705 (Hard) | Algebra, Number Properties

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

enigma123

09 May 2020, 12:09

63

12

17,110

by: bumpbot

21 Jul 2025, 02:09

ER

d=83,521,y73/441,682,36y. In the expression above

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enigma123

09 Jan 2012, 22:05

14

4

12,426

by: omerrauf

17 Jan 2012, 08:44

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Is |x-2|+|x+2|<4?

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IanStewart

09 Jan 2012, 23:38

2

4

3,271

by: mydreammba

13 Jan 2012, 21:45

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Martha bought an armchair and a coffee table at an action and sold bot

605-655 (Medium) | Percent and Interest Problems, Word Problems

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

nonameee

10 Jan 2012, 04:05

280

14

51,054

by: luisdicampo

15 Apr 2026, 07:48

ER

NEW!!! Tough and tricky exponents and roots questions

555-605 (Medium) | Algebra +2 tags

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

1, 2, 3

Bunuel

12 Jan 2012, 03:50

1.2k

46

144,840

by: Bunuel

24 Dec 2025, 12:37

ER

Given a series of n consecutive positive integers, where n >

705-805 (Hard) | Number Properties, Sequences

705-805 (Hard) | Number Properties, Sequences hide tags

enigma123

05 Mar 2026, 11:16

120

7

27,826

by: bumpbot

06 Dec 2025, 01:27

ER

If x and y are nonzero integers, is 18 a factor of xy^2?

555-605 (Medium) | Multiples and Factors

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

MHIKER

13 Jan 2012, 09:49

9

10

8,541

by: bumpbot

06 Aug 2022, 10:44

ER

Set X has 5 integers: a, b, c, d, and e. If m is the mean

705-805 (Hard) | Statistics and Sets Problems

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

Apex231

14 Jan 2012, 22:40

9

7

7,734

by: bumpbot

24 Oct 2023, 12:39

ER

If b, c, and d are constants and x^2+bx+c=(x+d)^2 for all

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Apex231

14 Jan 2012, 23:31

4

3,739

by: bumpbot

11 Mar 2020, 00:44

ER

In the sequence shown, a_n=a_(n-1)+k, where 2<=n<=15 and k

705-805 (Hard) | Sequences

705-805 (Hard) | Sequences hide tags

mushyyy

23 Apr 2024, 00:50

691

19

79,313

by: BinodBhai

07 Jun 2025, 23:28

ER

A certain diet program calls for eating daily calories from

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Apex231

15 Jan 2012, 19:01

103

8

14,204

by: bumpbot

20 Dec 2025, 11:54

ER

Ann deposited money into two new accounts, A and B. Account A earns 5

555-605 (Medium) | Percent and Interest Problems

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

geometric

15 Jan 2012, 23:49

80

8

31,267

by: bumpbot

21 Oct 2025, 12:21

ER

If n is an integer between 10 and 99, is n < 80?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

geometric

15 Jan 2012, 23:49

97

11

44,786

by: Bunuel

23 Nov 2024, 11:30

ER

If the sum of the three different numbers is 54, what is the largest

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

geometric

15 Jan 2012, 23:50

59

9

32,600

by: bumpbot

24 Apr 2025, 01:04

ER

a, b, c, and d are integers; abcd ≠ 0; what is the value of cd?

Sub 505 (Easy) | Algebra, Exponents

Sub 505 (Easy) | Algebra, Exponents hide tags

Runner2

16 Jan 2012, 00:43

12

6

12,290

by: CrackverbalGMAT

19 Dec 2019, 01:15

ER

If A, B and C are digits between 0 and 9 inclusive, what is

705-805 (Hard) | Arithmetic

705-805 (Hard) | Arithmetic hide tags

SonyGmat

16 Jan 2012, 14:38

39

8

10,656

by: MS26

03 Mar 2026, 06:09

ER

Is |x 6| > 5 ? (1) x is an integer (2) x^2 < 1

555-605 (Medium) | Absolute Values, Inequalities

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

Apex231

16 Jan 2012, 22:50

18

6

10,458

by: Bunuel

08 May 2023, 15:38

ER

Is the product of all of the elements in Set S negative?

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

rdevorse

17 Jan 2012, 17:57

55

13

13,235

by: bumpbot

05 Apr 2026, 11:45

ER

In order to play a certain game, 24 players must be split in

655-705 (Hard) | Multiples and Factors

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

enigma123

19 Jan 2012, 17:14

40

18

19,397

by: kabirgandhi

02 Sep 2025, 22:00

ER

If n is an integer, is 10^n ≤ 0.001 ?

555-605 (Medium) | Exponents, Inequalities

555-605 (Medium) | Exponents, Inequalities hide tags

MHIKER

22 Jan 2012, 08:17

14

9

9,169

by: bumpbot

03 Mar 2025, 08:54

ER

Is x the square of an Integer?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

enigma123

23 May 2013, 05:19

51

5

17,132

by: bumpbot

28 Nov 2025, 02:44

ER

If r – s = 3p , is p an integer? (1) r is divisible by 735

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

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

enigma123

07 Oct 2017, 06:56

124

17

20,705

by: bumpbot

05 Feb 2025, 07:50

ER

If n is a positive integer and r is the remainder when (n - 1)(n + 1)

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

1, 2

enigma123

21 Jan 2012, 17:57

829

29

143,026

by: Pratham_Patil24

26 Sep 2025, 02:12

ER

Beginning in January of last year, Carl made deposits of $120 into his

805+ (Hard) | Statistics and Sets Problems, Word Problems

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

mydreammba

01 Jun 2021, 03:33

1.1k

17

86,695

by: bumpbot

22 May 2025, 15:08

ER

If x and y are positive integers, what is the value of (x+y)

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

MHIKER

23 Dec 2020, 10:45

69

7

21,878

by: bumpbot

18 May 2025, 01:03

ER

If r and t are positive integers, what is the value of t?

555-605 (Medium) | Algebra, Exponents

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

MHIKER

28 Dec 2020, 07:54

48

6

14,842

by: MHIKER

28 Dec 2020, 07:53

ER

If x is a positive integer, is x-1 a factor of 104?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

enigma123

22 Jan 2012, 16:44

89

14

22,303

by: bumpbot

15 Jul 2025, 09:57

ER

If k is a positive integer, What is the remainder when 2^k is divided

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

MHIKER

20 Oct 2014, 08:35

125

9

32,524

by: rak08

28 May 2025, 03:46

ER

If n is one of the numbers in 1/3, 3/16, 4/7, 3/5 then what

705-805 (Hard) | Fractions and Ratios

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

LM

24 Jan 2012, 09:52

25

5

7,277

by: bumpbot

05 Aug 2024, 19:21

ER

What is the value of length n<100 meter of wire?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

LM

24 Jan 2012, 10:01

36

9

8,377

by: bumpbot

15 Jan 2023, 07:17

ER

A certain salesman's yearly income is determined by a base salary plus

805+ (Hard) | Percent and Interest Problems, Word Problems

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

1, 2

devinawilliam83

25 Jan 2012, 00:22

379

30

50,095

by: bumpbot

18 Jun 2025, 20:59

ER

Both a, b, and c are 3-digits integers, where a=b+c. Is the

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

LM

26 Jan 2012, 06:34

45

8

14,470

by: bumpbot

23 Feb 2025, 04:25

ER

If m is divisible by 3, how many prime factors does m have?

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

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

LM

26 Jan 2012, 06:36

15

12

7,587

by: bumpbot

28 Sep 2024, 07:42

ER

If n is a positive integer, is 30 a factor of n ? (1) 30 is a factor

555-605 (Medium) | Multiples and Factors

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

LM

26 Jan 2012, 06:38

8

4

7,406

by: bumpbot

22 Aug 2024, 14:13

ER

Is root{x} a prime number?

655-705 (Hard) | Absolute Values, Number Properties

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

LM

26 Jan 2012, 07:29

60

10

22,935

by: Bunuel

20 Sep 2025, 07:21

ER

Is the sum of 6 integers odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

LM

19 Sep 2017, 09:21

4

3

3,971

by: bumpbot

14 Jun 2016, 20:52

ER

Jack and Mark both received hourly wage increases of 6 perce

605-655 (Medium) | Percent and Interest Problems

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

docabuzar

05 Mar 2013, 07:23

182

10

45,581

by: bumpbot

03 Apr 2025, 00:17

ER

Henry purchased 3 items during a sale. He received a 20 percent discou

605-655 (Medium) | Percent and Interest Problems, Word Problems

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

1, 2

docabuzar

11 Jun 2019, 03:53

355

30

62,910

by: luisdicampo

15 Apr 2026, 13:47

ER

If x > 1 and y > 1, is x < y ? (1) x^2/(xy + x) < 1 (2) xy/(y^2 - y)

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

MHIKER

25 Jan 2022, 06:26

46

11

25,894

by: bumpbot

28 Oct 2025, 06:43

ER

What is the positive integer n?

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

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

enigma123

12 Jun 2013, 03:15

59

7

15,072

by: bumpbot

03 Jun 2024, 11:51