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

78,657

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

188,479

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

487,873

by: bb

29 Aug 2025, 13:27

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Is |x-z| > |x-y| ? (1) |z| > |y| (2) 0 > x

605-655 (Medium) | Absolute Values, Inequalities

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

Hussain15

14 Jul 2010, 11:18

32

7

9,092

by: bumpbot

02 Jul 2024, 04:06

ER

Is p a negative number?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

zest4mba

05 Jul 2013, 00:01

7

14

6,524

by: bumpbot

12 May 2022, 02:13

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

655-705 (Hard) | Absolute Values, Inequalities

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

Hussain15

14 Jul 2010, 06:36

19

7

6,348

by: bumpbot

13 Mar 2023, 09:53

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If |a| = b is a + b > ab ?

805+ (Hard) | Absolute Values, Algebra

805+ (Hard) | Absolute Values, Algebra hide tags

yogeshagarwala

27 Mar 2018, 00:54

36

13

8,407

by: bumpbot

23 Jul 2023, 09:06

ER

If a, b, and c are positive distinct integers, is (a/b)/c an

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

bibha

08 Nov 2012, 03:18

38

6

14,129

by: bumpbot

08 Jun 2024, 23:43

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Is x > y^2? (1) x > y + 5 (2) x^2 - y^2 = 0

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

tonebeeze

12 Jul 2010, 17:53

73

4

20,489

by: bumpbot

27 Sep 2023, 01:30

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If 8 < k < 8, is k < 2 ?

Poor Quality

Poor Quality hide tags

paam0101

12 Jul 2010, 14:33

4

4,320

by: vannbj

15 Jul 2010, 12:24

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If |x|*y + 9 > 0, and x and y are integers, is x < 6 ?

605-655 (Medium) | Absolute Values, Inequalities

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

kylexy

16 Sep 2022, 03:24

53

8

20,458

by: bumpbot

14 Jan 2025, 21:12

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Is P + Q > R + S ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

paam0101

09 Jul 2010, 13:13

26

7

11,556

by: Neeraj5

21 Jun 2025, 08:03

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If the price of a magazine is to be doubled, by what percent

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

sky

08 Jul 2010, 04:04

40

9

13,731

by: bumpbot

04 Mar 2025, 19:55

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If p is a positive integer, is 2p + 1 prime?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

serhio

05 Jul 2010, 02:32

25

3

12,219

by: Keshav1404

05 May 2023, 22:14

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Is the perimeter of triangle T greater than the perimeter of

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

jakolik

20 Jun 2013, 05:58

31

14

13,762

by: bumpbot

23 Aug 2023, 08:01

ER

If P is a set of integers and 3 is in P, is every positive

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

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

1, 2

Caffmeister

02 Jul 2010, 10:24

134

21

24,560

by: bumpbot

14 May 2025, 15:41

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Committee X and Committee Y , which have no common members

505-555 (Easy) | Statistics and Sets Problems

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

sunland

16 Mar 2012, 01:00

92

14

24,537

by: bumpbot

26 Aug 2025, 20:02

ER

The symbol ▽ represents one of the following operations...

Sub 505 (Easy) | Functions and Custom Characters

Sub 505 (Easy) | Functions and Custom Characters hide tags

nsp007

01 Jul 2010, 00:52

11

14

20,705

by: GMATinsight

23 Mar 2025, 02:04

ER

10 students took a chemistry exam that was graded on a scale

555-605 (Medium) | Arithmetic, Statistics and Sets Problems

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

ace001

30 Jun 2010, 20:00

88

11

20,778

by: bumpbot

22 Apr 2025, 11:40

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If r is not equal to 0, is r^2/|r| < 1? (1) r > -1 (2)

555-605 (Medium) | Absolute Values, Inequalities

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

kylexy

27 Jun 2010, 12:43

60

13

22,280

by: bumpbot

29 Jul 2025, 10:04

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If the integer x is greater than 1, does x = 2?

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

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

ilaila

27 Jun 2010, 09:37

21

15

7,284

by: bumpbot

05 Feb 2025, 04:19

The cost of 22 CDs, 25 pens & 7 erasers is $ 142. What is the cost of

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

apex1umt

27 Jun 2010, 01:33

17

14

4,710

by: bumpbot

24 Jun 2025, 11:27

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What is the perimeter of rectangle R?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Hussain15

20 Jul 2012, 04:31

22

11

11,585

by: bumpbot

15 Feb 2023, 04:04

ER

Circle O is inscribed in equilateral triangle ABC, which is

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Hussain15

25 Feb 2018, 06:49

78

19

17,883

by: bumpbot

19 Aug 2023, 06:13

ER

What is the remainder when the positive integer n is divided by the po

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

JoyLibs

20 Oct 2019, 01:30

202

7

45,059

by: agrasan

16 Jul 2025, 22:57

ER

The results of a certain experiment included 6 data values

505-555 (Easy) | Statistics and Sets Problems

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

udaymathapati

23 Jun 2010, 12:30

23

5

15,794

by: bumpbot

02 Mar 2026, 04:37

ER

How many different 5-person teams can be formed from a group

Sub 505 (Easy) | Combinations

Sub 505 (Easy) | Combinations hide tags

gmatJP

22 Jun 2010, 19:14

205

13

49,582

by: bumpbot

20 Apr 2026, 22:40

ER

Seven different numbers are selected from the integers 1 to 100, and

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

cebenez

19 Jun 2015, 00:31

25

6

8,794

by: Bunuel

19 Jun 2015, 00:32

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

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

TheGmatTutor

22 Jun 2010, 16:16

2

4,007

by: surah

30 Oct 2023, 22:08

ER

What is the average of x and |y| ?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

gmatJP

22 Jun 2010, 02:44

38

6

18,680

by: bumpbot

23 Oct 2024, 03:54

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In the sequence of positive numbers x1, x2, x3, ..., what is the value

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

testprep2010

21 Jun 2010, 15:58

346

19

102,275

by: totaltestprepNick

01 Mar 2026, 19:19

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Is x% of x% of y equal to x% less than y ? (1) x(x + 100) =

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

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

1, 2

zisis

21 Jun 2010, 15:19

135

24

35,222

by: bumpbot

27 Jul 2025, 19:39

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A one-million dollar inheritance was divided among five

705-805 (Hard) | Fractions and Ratios, Word Problems

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

shaneforu

21 Jun 2010, 13:06

52

15

33,980

by: bumpbot

17 Jun 2025, 21:57

ER

A trip coordinator bought a certain number of $47 tickets

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

anin

20 Jun 2010, 15:19

35

7

8,796

by: bumpbot

14 Aug 2023, 10:12

ER

The positive integer k has exactly two positive prime

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

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

testprep2010

20 Jun 2010, 12:38

132

13

22,688

by: bumpbot

10 Nov 2024, 08:07

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

6,266

by: bumpbot

13 Mar 2023, 09:33

ER

If k is a positive integer, is k a prime number?

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

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

bhandariavi

19 Jun 2010, 11:37

82

8

22,482

by: bumpbot

07 Jan 2026, 00:18

ER

Equilateral triangle BDF is inscribed in equilateral triangl

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Nusa84

19 Jun 2010, 08:17

60

9

21,498

by: djmobley

02 Oct 2019, 19:12

ER

Does the integer k have a factor p such that 1 < p < k ?

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

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

1, 2

gmatcracker2010

19 Jun 2010, 03:49

983

37

102,582

by: Aboyhasnoname

16 Jun 2025, 04:45

ER

For a trade show, two different cars are selected randomly

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

ykaiim

18 Jun 2010, 04:25

40

8

15,373

by: bumpbot

03 Sep 2025, 06:20

ER

In a casino, a gambler stacks a certain number of chips in piles, with

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

ykaiim

18 Jun 2010, 04:13

10

11

5,531

by: bumpbot

13 Jan 2025, 08:09

ER

Q is less than 10. Is Q a prime number?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

ykaiim

17 Jun 2010, 04:32

4

7

5,126

by: bumpbot

24 Mar 2025, 14:36

ER

x+y+z is even, is x*y*z even?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Eden

16 Jun 2010, 22:50

22

9

6,602

by: bumpbot

04 Dec 2020, 01:37

ER

Does x + y = 5 ? (1) 4x + y = 17 (2) x + 4y = 8

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

gmatJP

05 Jun 2019, 08:26

66

13

31,442

by: bumpbot

21 May 2025, 22:07

ER

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

Sub 505 (Easy) | Multiples and Factors, Number Properties

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

ctgmat123

30 Jun 2012, 05:29

319

19

110,753

by: totaltestprepNick

23 Feb 2026, 12:55

ER

At a certain restaurant, the total price for one hamburger a

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bradrs24

14 Jun 2010, 16:39

3

2

4,578

by: v12345

10 Aug 2021, 22:33

ER

Is the units digit of integer x^2 - y^2 a zero?

705-805 (Hard) | Multiples and Factors

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

gmatcracker2010

13 Jun 2010, 10:06

80

8

16,500

by: bumpbot

01 Mar 2024, 05:00

ER

If x^2 = y + 5 , y = z - 2 and z = 2x , is x^3 + y^2 + z

805+ (Hard) | Algebra, Multiples and Factors

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

study

13 Jun 2010, 09:11

146

15

36,330

by: bumpbot

23 Jan 2025, 12:32

ER

Is X divisible by 15?

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

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

study

13 Jun 2010, 09:00

8

4

4,765

by: bumpbot

19 Jun 2024, 04:32

ER

Is the median of set S even?

555-605 (Medium) | Statistics and Sets Problems

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

gmatcracker2010

12 Jun 2010, 11:51

26

7

11,258

by: bumpbot

01 Jan 2026, 05:37

ER

A grocery store wanted to repackage all of the eggs that were in carto

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Other

12 Jun 2010, 08:08

6

4

6,120

by: Bunuel

12 Mar 2023, 05:04

ER

If x is an integer and x not = 0, is x^4 < 90? 1) x^{ 4

705-805 (Hard) | Exponents +2 tags

705-805 (Hard) | Exponents, Inequalities, Roots hide tags

narisipalli

11 Jun 2010, 22:14

28

3

6,470

by: bumpbot

06 Mar 2025, 22:58

ER

What is the value of p^3 + 2p ? (1) p^2 5p + 4 = 0. (2) The

Poor Quality

Poor Quality hide tags

hardnstrong

11 Jun 2010, 09:35

1

3

7,178

by: hardnstrong

11 Jun 2010, 21:47