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

78,807

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

856

24

188,576

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

488,009

by: bb

29 Aug 2025, 13:27

ER

What is the value of x?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

GMATBusters

07 Dec 2019, 19:17

5

13

4,302

by: rajatchopra1994

11 Dec 2019, 10:15

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x is a positive integer greater than two; is (x^3 + 19837)(x^2 + 5)(x

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

26 Jun 2015, 02:07

7

13

3,778

by: bumpbot

20 Dec 2019, 00:03

ER

Is t^2 > t/3?

705-805 (Hard) | Absolute Values, Inequalities

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

moderife

24 Dec 2012, 03:08

10

13

5,777

by: exc4libur

26 Dec 2019, 09:29

ER

A certain bookstore sold 1/2 of the books in its stock. Then, after an

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

06 Mar 2020, 02:03

11

13

4,621

by: TheUnicorn

08 Mar 2020, 23:24

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In the figure above, a circle is inscribed in a square. What is the ar

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

26 Aug 2015, 00:47

17

13

7,384

by: bumpbot

06 Apr 2020, 13:10

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Is r between s and t? (1) |r -s| < |r - t| (2) |r -s| > |s - t|

705-805 (Hard) | Absolute Values, Inequalities

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

shivanigs

04 Apr 2019, 22:47

18

13

7,783

by: bumpbot

16 Apr 2020, 23:09

ER

Is the line L1 steeper than line L2?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

GMATBusters

25 Apr 2020, 19:45

7

13

4,138

by: jrk23

26 Apr 2020, 07:33

ER

If the two horizontal lines in the figure provided are parallel, what

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

11 Sep 2015, 02:23

12

13

4,683

by: bumpbot

14 Aug 2020, 21:21

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If a and b are positive integers larger than 1, is a^b > b^a?

805+ (Hard) | Arithmetic

805+ (Hard) | Arithmetic hide tags

tjerkrintjema

12 Jun 2015, 16:22

20

13

8,645

by: IanStewart

08 Sep 2020, 09:17

ER

If x is an even integer, is x divisible by 6?

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

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

chetan2u

14 Jan 2018, 06:04

19

13

4,060

by: Basshead

05 Nov 2020, 16:27

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Is x^2 - y^2 an even integer?

805+ (Hard) | Algebra +2 tags

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

chetan2u

05 Jun 2016, 01:07

53

13

6,201

by: MHIKER

17 Nov 2020, 16:22

ER

What is the value of x?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

10 Nov 2014, 08:29

14

13

7,581

by: bumpbot

25 Nov 2020, 12:03

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Is |x|/|y| < |x||y|? (1) x^3 > y^3 (2) y^5 > y^4

705-805 (Hard) | Absolute Values, Inequalities

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

TheUltimateWinner

26 Mar 2019, 03:59

14

13

2,766

by: bumpbot

01 Dec 2020, 18:54

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What is the highest common factor of three positive integers X, Y, and

605-655 (Medium) | Multiples and Factors

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

Bunuel

19 Jul 2019, 08:00

30

13

10,838

by: ocelot22

05 Jan 2021, 09:37

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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

3,209

by: bumpbot

10 Jan 2021, 09:39

ER

If n is an integer is n - 1 > 0?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

rxs0005

16 Feb 2011, 06:57

13

6,132

by: CEdward

15 Jan 2021, 22:57

ER

Is the area of quadrilateral ABCD equal to area of quadrilateral AECD?

705-805 (Hard) | Coordinate Plane, Geometry

705-805 (Hard) | Coordinate Plane, Geometry hide tags

Bunuel

28 Jul 2017, 01:20

25

13

4,108

by: CEdward

22 Feb 2021, 21:46

ER

In quadrilateral ABCD, sides AB and BC each have length √2,

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

imhimanshu

30 Mar 2014, 11:14

30

13

17,998

by: Bunuel

21 Mar 2021, 01:39

ER

Triangle ABC is right angled at B. BD, the median to hypotenuse AC, is

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

soaringAlone

04 Jun 2011, 09:08

18

13

41,466

by: bumpbot

06 Apr 2021, 06:35

ER

If a and n are integers and n > 1, is n odd?

805+ (Hard) | Exponents, Number Properties

805+ (Hard) | Exponents, Number Properties hide tags

conty911

23 Aug 2012, 01:17

126

13

28,002

by: adityaganjoo

27 Jun 2021, 05:35

ER

Is it true that |b - 2| + |b + 8| = 10 ?

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

gmatiscoming

14 Sep 2019, 09:52

9

13

7,711

by: bumpbot

18 Jul 2021, 03:28

ER

The product of consecutive integers a and b is 156. What is the value

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

15 Apr 2015, 04:57

33

13

7,142

by: TarunKumar1234

02 Sep 2021, 13:05

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Is x < 0 ? (1) |x - 5| = 7x + 2 (2) |x + 5| = |4x + 5|

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stonecold

07 Feb 2019, 08:12

44

13

13,348

by: arjunnath

09 Sep 2021, 10:35

ER

In the rectangular coordinate system are the points A and B equidistan

805+ (Hard) | Coordinate Plane, Geometry

805+ (Hard) | Coordinate Plane, Geometry hide tags

niteshwaghray

23 May 2017, 00:56

13

3,523

by: bumpbot

04 Oct 2021, 05:35

ER

If 90/k is an integer, is k an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

enigma123

18 Jun 2015, 01:32

11

13

5,432

by: bumpbot

13 Oct 2021, 18:01

ER

If PQRS is a parallelogram, what is the area

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

GMATBusters

25 Apr 2020, 19:36

3

13

4,360

by: bumpbot

21 Oct 2021, 09:13

ER

Each person who attended a certain concert paid the same

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

dreambeliever

02 Jun 2011, 19:35

2

13

5,256

by: bumpbot

27 Oct 2021, 09:26

ER

In the above diagram, a square is inscribed in a circle, which is insc

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

26 Aug 2015, 00:48

26

13

5,451

by: Abdeviliiers

06 Nov 2021, 07:35

ER

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

555-605 (Medium) | Exponents, Inequalities

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

excelingmat

11 Oct 2015, 05:07

14

13

3,853

by: bumpbot

30 Nov 2021, 11:15

ER

If P^2 + Q^2 =1, is P – Q =1?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

shivanigs

25 Aug 2012, 05:32

10

13

11,237

by: Bunuel

02 Dec 2021, 08:35

ER

If m ≠ -n, is (m – n)/(m + n) > 1? (1) n < -2 (2) m > 1

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

24 Aug 2015, 23:35

7

13

3,920

by: bumpbot

13 Jan 2022, 07:11

ER

Is -x < 2y ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

devilmirror

30 Jan 2007, 21:25

8

13

6,419

by: bumpbot

17 Jan 2022, 15:53

ER

For integers a, x, and y, a = x^2 + 2x + y. Is a even?

605-655 (Medium) | Algebra, Number Properties

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

Bunuel

07 Jun 2017, 14:18

36

13

7,313

by: bumpbot

22 Jan 2022, 23:37

ER

A car and a van are traveling at different constant speeds on a straig

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

29 Apr 2018, 09:37

21

13

5,257

by: bumpbot

04 Feb 2022, 06:01

ER

If x is positive, is x prime? (1) x^3 has exactly four distinct posit

805+ (Hard) | Algebra +2 tags

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

Bunuel

21 Dec 2018, 02:22

36

13

5,532

by: bumpbot

23 Feb 2022, 13:13

ER

In the xy-plane, does the line with the equation y = 2x - 4 contain

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

Skientist

04 Dec 2017, 00:18

60

13

10,875

by: Kushchokhani

19 Apr 2022, 06:01

ER

What is the two-digit number N?

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

monikaleoster

03 Nov 2012, 08:48

32

13

9,184

by: bumpbot

08 Jul 2022, 02:53

ER

In the figure ,small circel with radius r intersects larger

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

AnkitK

11 May 2011, 23:45

51

13

18,170

by: bumpbot

27 Jul 2022, 21:23

ER

What is the value of y-x^2-x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

daviesj

06 Jan 2013, 08:09

22

13

7,453

by: bumpbot

14 Aug 2022, 22:53

ER

If a, b, and c represent distinct digits, what is the value of the two

805+ (Hard) | Arithmetic

805+ (Hard) | Arithmetic hide tags

Bunuel

21 Mar 2017, 04:49

47

13

8,073

by: bumpbot

13 Oct 2022, 10:02

ER

If ABCD is a quadrilateral, is AB=BC=CD=DA ?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

tt11234

03 Sep 2010, 14:40

33

13

20,385

by: bumpbot

22 Oct 2022, 05:33

ER

In trapezoid JKLM, KL//JM, and JK = LM = 5. What is the area of this

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

mikemcgarry

31 May 2016, 10:27

13

9,715

by: bumpbot

16 Nov 2022, 09:02

ER

If angle ABC is 30 degrees, what is the area of triangle BCE?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

05 Nov 2019, 06:00

27

13

6,748

by: bumpbot

17 Nov 2022, 08:31

ER

If p and q are negative, is p/q > 1

805+ (Hard) | Absolute Values, Inequalities

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

rxs0005

07 Feb 2011, 07:08

54

13

17,130

by: bumpbot

27 Nov 2022, 09:10

ER

If a and b are positive integers, what is the value of a - b?

555-605 (Medium) | Algebra, Exponents

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

FN

01 Jan 2019, 00:16

42

13

10,752

by: bumpbot

29 Nov 2022, 00:44

ER

In the figure above, is the area of triangular region ADE equal to the

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

26 Apr 2019, 07:19

44

13

14,134

by: Bunuel

19 Dec 2022, 04:16

ER

A certain IT department of fewer than 15 people hires coders

705-805 (Hard) | Fractions and Ratios

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

Alterego

12 Aug 2012, 17:46

27

13

6,935

by: bumpbot

19 Dec 2022, 06:04

ER

If x is an integer, what is the value of x?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

28 May 2020, 03:45

10

13

3,044

by: Bunuel

27 Dec 2022, 06:03

ER

What is the value of h ? (1) h^2 = 36 (2) h^2 + 12h = -36

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

A4G

17 Jul 2019, 23:52

43

13

29,619

by: bumpbot

11 Jan 2023, 07:18

ER

If Set A consists of 10 numbers, each number reciprocal of a prime num

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

chetan2u

21 Jan 2016, 02:09

25

13

4,523

by: bumpbot

05 Feb 2023, 03:25