GMAT Data Sufficiency (DS) Forum - Free Practice Questions

ER

Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

176

15

78,663

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

854

24

188,484

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

487,878

by: bb

29 Aug 2025, 13:27

ER

If sqrt(n) is a positive integer, what is the value of n?

555-605 (Medium) | Inequalities, Number Properties

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

gayathri

09 Oct 2013, 08:17

68

12

20,709

by: bumpbot

22 May 2024, 04:05

ER

The figure above shows the shape of a flower bed. If arc QR is a semic

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

gayathri

12 Jan 2005, 09:44

61

10

21,827

by: bumpbot

25 Mar 2025, 18:56

ER

Is 1/8 < n < 1/6 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

FN

25 Oct 2014, 06:00

9

4,946

by: CrackverbalGMAT

27 Oct 2021, 22:24

ER

Set T is an infinite sequence of positive integers. A

655-705 (Hard) | Statistics and Sets Problems

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

stardustsparklin

07 Jan 2005, 16:41

20

14

9,348

by: Advait01

07 Apr 2026, 10:22

ER

When a die that has one of six consecutive integers on each

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

ruhi

29 Apr 2019, 07:25

52

16

10,181

by: bumpbot

28 Jan 2025, 16:57

ER

If the ratio of integers a, b, and c is 1 : 2 : 3, what is

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

mike8c

05 Sep 2013, 05:03

7

5

18,035

by: bumpbot

09 Apr 2020, 11:08

ER

If x is equal to either 2/3 or 3/8 and y is equal to either

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

gayathri

17 Mar 2012, 00:54

21

2

6,503

by: bumpbot

26 Feb 2022, 00:54

ER

Is x > 0?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

1, 2

afife76

27 Feb 2014, 11:15

26

21

9,187

by: bumpbot

30 Oct 2021, 06:47

ER

What is the ratio of the average (arithmetic mean) height of

555-605 (Medium) | Statistics and Sets Problems

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

LADodgers

05 Nov 2004, 18:38

434

17

66,886

by: ManifestDreamMBA

21 Jun 2025, 02:11

ER

A certain list consists of 3 different numbers. Does the median of the

655-705 (Hard) | Statistics and Sets Problems

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

1, 2

karovd

02 Jul 2021, 02:12

980

25

101,333

by: bumpbot

01 Jan 2026, 07:07

ER

If a, b, c, and d are positive integers, is (a/b)(c/d) > c/b?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

saurya_s

21 Jan 2020, 05:44

22

9

14,533

by: bumpbot

30 Jul 2023, 00:45

ER

In the xy-plane, what is the slope of line l?

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

saurya_s

08 Nov 2022, 10:04

43

5

16,671

by: bumpbot

09 Jul 2023, 07:50

ER

If pq ≠ 0, is x an integer?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

ice t

23 Feb 2015, 12:58

11

9

8,985

by: bumpbot

15 Mar 2022, 12:14

ER

Yesterday, Nan parked her car at a certain parking garage

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

ywilfred

28 Aug 2004, 09:15

49

10

18,551

by: bumpbot

21 Feb 2025, 00:48

ER

If X^3 = Y, is Y a fraction? (1) X^2 is a fraction. (2) X

Poor Quality

Poor Quality hide tags

saurya_s

05 Aug 2004, 03:11

3

7,675

by: Bunuel

19 Jan 2012, 04:45

ER

A bowl is filled with consecutively numbered tiles from 1 to x. Joe

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

crackgmat750

13 Jul 2015, 00:48

51

14

8,951

by: bumpbot

15 Feb 2023, 01:14

ER

Is (x^2 + y^2) a perfect square? (1) x is even, y is odd (2)

Poor Quality

Poor Quality hide tags

hallelujah1234

16 Apr 2004, 16:56

1

6

5,325

by: Bunuel

04 Jan 2011, 06:37

ER

What is the 1st term in sequence S ?

Sub 505 (Easy) | Sequences

Sub 505 (Easy) | Sequences hide tags

vivek_dj

04 Mar 2004, 10:54

26

13

10,690

by: bumpbot

08 Aug 2025, 13:28

ER

The base of a rectangular block has an area of 60 square

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

anandnk

06 Jul 2013, 03:35

41

15

14,039

by: bumpbot

19 Feb 2023, 23:42

ER

In the figure above, O is the center of the circle. If OP

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

rc197906

17 Jan 2004, 23:02

37

19

11,534

by: Bunuel

21 Feb 2021, 11:44

Who is the fastest among the three workers a, b and c? (1) a

Poor Quality

Poor Quality hide tags

gmatblast

17 Jan 2004, 18:55

1

5

18,676

by: gmatblast

21 Jan 2004, 09:33

ER

A person buys a share for $50 and sells it for $52 after a year. What

Poor Quality

Poor Quality hide tags

4128851

28 Nov 2003, 23:54

2

13

3,199

by: bumpbot

10 Jan 2021, 09:39

ER

In the figure above, what is the perimeter of rectangle ABPQ

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

araspai

06 Oct 2003, 04:36

91

16

25,765

by: bumpbot

11 Apr 2024, 05:58

If a rope is cut into three pieces of unequal length, what is the leng

505-555 (Easy) | Algebra, Word Problems

505-555 (Easy) | Algebra, Word Problems hide tags

mciatto

31 Aug 2003, 16:21

43

11

28,225

by: bumpbot

06 Sep 2025, 01:42

ER

Is x > y ? (1) x^(1/2) > y^(1/2) (2) x^2 > y^2

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Konstantin Lynov

24 Jul 2003, 05:23

17

12

7,550

by: bumpbot

10 Dec 2023, 07:27

ER

What was the average (arithmetic mean) monthly rainfall

505-555 (Easy) | Statistics and Sets Problems, Word Problems

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

Curly05

22 Jul 2003, 20:36

19

6

13,334

by: bumpbot

13 Jun 2025, 21:50

ER

Find integer W. (1) W is a prime solution of (|W|)!=|W| (2)

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

stolyar

03 Jul 2013, 06:47

32

13

7,674

by: bumpbot

23 Jul 2023, 09:06

ER

The three integers X, Y, and Z. Is their product XYZ = zero

Poor Quality

Poor Quality hide tags

stolyar

26 Jun 2003, 04:07

1

15

4,992

by: bumpbot

24 Dec 2021, 03:24

ER

Find an integer n?

505-555 (Easy) | Absolute Values, Exponents

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

stolyar

22 May 2003, 01:09

2

5,632

by: Bunuel

16 Aug 2010, 09:55

Find an integer F

555-605 (Medium) | Absolute Values, Algebra

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

stolyar

22 May 2003, 00:57

18

4

7,152

by: bumpbot

31 Oct 2021, 06:39

ER

What is the tenth term in a series of 89 consecutive

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

brstorewala

17 May 2003, 03:00

32

16

11,972

by: bumpbot

24 Apr 2026, 03:35

ER

Is K an integer? (1) K=P/Q, where P and Q are consequtive

Poor Quality

Poor Quality hide tags

stolyar

15 May 2003, 05:09

1

10

5,049

by: bumpbot

28 Jul 2016, 19:45