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

78,749

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

856

24

188,539

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

487,957

by: bb

29 Aug 2025, 13:27

ER

If a and b are positive integers, and a < b, does the decimal expansio

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

nislam

05 Feb 2022, 10:38

10

5

1,869

by: bumpbot

17 Sep 2025, 21:29

ER

$5000 is invested in one account that pays x percent simple interest p

655-705 (Hard) | Percent and Interest Problems

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

nislam

23 May 2022, 13:52

8

3

1,952

by: bumpbot

04 Nov 2025, 07:08

ER

In the sequence of positive integers a1,a2,a3,...,an−1,an where n > 5

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

nislam

10 Nov 2021, 10:52

12

3

4,782

by: Adit_

16 Apr 2026, 23:33

ER

A square EFGH is inscribed in another square ABCD as show in the figur

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

niteshwaghray

29 May 2017, 11:21

1

8,051

by: Bunuel

29 May 2017, 11:30

ER

Find the perimeter of the rectangle ABCD, if the length and breadth ar

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

niteshwaghray

23 May 2017, 00:55

5

3

4,127

by: bumpbot

28 Aug 2018, 14:09

ER

If P & Q are integers such that |P|Q=4|P|Q=4 , is P negative? (1) |P|+

705-805 (Hard) | Absolute Values, Algebra

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

niteshwaghray

23 May 2017, 00:59

17

5

2,654

by: bumpbot

17 May 2019, 05:57

ER

In a sequence of 10 consecutive integers, what is the average of all n

Poor Quality

Poor Quality hide tags

niteshwaghray

20 Feb 2018, 09:25

7

4

2,741

by: Kritisood

13 Jun 2020, 02:17

ER

Z=2a×5b×7c A positive integer Z can be expressed in terms of its prime

805+ (Hard) | Algebra, Exponents

805+ (Hard) | Algebra, Exponents hide tags

niteshwaghray

23 May 2017, 00:34

21

9

3,604

by: MHIKER

12 Nov 2020, 15:56

ER

If ab > 0, what is the value of (a + b)2 (1) a2 = 4 (2) b2 = 1

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

niteshwaghray

23 May 2017, 12:14

3

3,069

by: MHIKER

12 Jan 2021, 13:26

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

3,521

by: bumpbot

04 Oct 2021, 05:35

ER

What is the value of (y^2–x^2)/(x^2y^2)

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

niteshwaghray

23 May 2017, 00:40

4

3

3,240

by: MBAHOUSE

14 Jul 2022, 07:43

ER

In the figure above, Δ POQ and Δ AOB are both right-angled at point O.

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

niteshwaghray

29 May 2017, 11:43

15

3

4,844

by: bumpbot

09 Jan 2023, 01:28

ER

If ap > aq, is a/pq>0?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

niteshwaghray

23 May 2017, 00:59

20

6

6,794

by: bumpbot

11 May 2023, 23:42

ER

The area of a rectangle is 28 square centimeter. What is the perimeter

805+ (Hard) | Algebra, Geometry

805+ (Hard) | Algebra, Geometry hide tags

niteshwaghray

01 Jun 2017, 13:34

27

6

8,714

by: bumpbot

05 Jul 2023, 14:29

ER

If the points p, q r and s are equally spaced in a number line, where

705-805 (Hard) | Algebra, Sequences

705-805 (Hard) | Algebra, Sequences hide tags

niteshwaghray

23 May 2017, 01:03

12

6

5,478

by: bumpbot

02 Dec 2025, 20:40

ER

The monthly performance bonus of a salesman depends on the number of u

605-655 (Medium) | Algebra, Word Problems

605-655 (Medium) | Algebra, Word Problems hide tags

niteshwaghray

23 May 2017, 01:01

5

2

3,078

by: bumpbot

07 Apr 2026, 12:01

The nth term of an increasing sequence S is given by Sn = Sn-1 + Sn-2

805+ (Hard) | Algebra, Sequences

805+ (Hard) | Algebra, Sequences hide tags

niteshwaghray

01 Jun 2017, 22:35

43

3

7,656

by: bumpbot

16 Apr 2026, 02:25

ER

Line M is tangent to a circle, which is centered on point

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

nitestr

12 Jun 2013, 18:45

29

10

12,174

by: bumpbot

02 Jan 2024, 11:07

Which of x, x^2, and 1/x is the greatest? (1) x > 0 (2) x < 1

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

NithinRaja

23 Nov 2023, 06:48

3

1,182

by: Kinshook

25 Nov 2023, 05:15

ER

Is xy + xy < xy ? (1) x^2/y < 0 (2) x^9*(y^3)^3 < (x^2)^4*y^8

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

nitin1negi

07 Feb 2021, 04:29

16

5

5,572

by: bumpbot

23 Oct 2020, 02:00

ER

If x and y are negative numbers, is x<y?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

nitin6305

21 May 2023, 01:25

91

9

19,722

by: bumpbot

27 Sep 2024, 06:08

ER

What is the result when x is rounded to the nearest hundredt

655-705 (Hard) | Fractions and Ratios, Number Properties

655-705 (Hard) | Fractions and Ratios, Number Properties hide tags

nitindas

03 Aug 2009, 12:58

222

15

41,263

by: bumpbot

13 Aug 2025, 13:48

ER

Of the students in a certain class, 55% of the female and 35% of the

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

nitya34

29 Mar 2009, 10:59

26

14

12,175

by: bumpbot

27 Sep 2025, 09:49

ER

Is x/y = 1 ? (1) x^3/y^3 = 1 (2) x^2/y^2 = 1

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Niveditha28

19 Oct 2020, 05:47

3

4

1,516

by: MathRevolution

20 Oct 2020, 11:01

ER

Is x^2yz negative? (1) x < 0 (2) y < 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Nivranshu

08 Sep 2021, 08:28

6

2,784

by: Archit3110

08 Sep 2021, 10:59

Is (a + b) < (c + d)? (1) c and d are negative integers such that

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Poor Quality hide tags

Nixondutta

09 Apr 2018, 04:40

18

8

2,074

by: ShukhratJon

22 May 2019, 02:51

ER

What is the value of x^2+ 5x +4?

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Poor Quality hide tags

nkimidi7y

05 Sep 2012, 12:30

4

15

5,299

by: AbhiJ

31 Oct 2012, 12:56

Is the smallest of five consecutive integers even? (1) The product of

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

nkin

21 Nov 2018, 07:08

5

3

15,417

by: bumpbot

31 Mar 2022, 11:38

ER

What is the value of X ?

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nkme2007

26 Jul 2020, 10:39

2

897

by: IanStewart

27 Jul 2020, 08:07

ER

If x is an integer and x > 1, is x equal to 13?

505-555 (Easy) | Multiples and Factors

505-555 (Easy) | Multiples and Factors hide tags

nkmungila

10 Oct 2017, 00:17

1

2,415

by: Bunuel

10 Oct 2017, 00:22

ER

Of the students who attend a library, each student either likes

555-605 (Medium) | Statistics and Sets Problems

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

nkmungila

11 Oct 2017, 21:58

4

1

5,042

by: Bunuel

11 Oct 2017, 22:03

ER

The sequence x1, x2, ... xn is such that x1 = 5, x2 = 5, x3 = 0, x4 =

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

nkmungila

19 Feb 2018, 05:58

26

4

6,638

by: bumpbot

12 Jan 2023, 10:13

ER

3,5,10,7,x. If x is an integer , is the mean of the five numbers

805+ (Hard) | Statistics and Sets Problems

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

nkmungila

10 Oct 2017, 23:24

20

8

8,010

by: bumpbot

05 Sep 2023, 07:17

ER

What is the remainder when N is divided by 8? (1) N is a product of

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

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

nkmungila

17 Oct 2017, 05:33

10

4

3,729

by: bumpbot

04 Mar 2025, 03:34

ER

Is A positive? (1) x^2 - 2x + A is positive for all x (2) Ax^2 + 1

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

1, 2

noboru

12 Apr 2018, 01:57

272

35

32,808

by: bumpbot

15 Jun 2024, 03:55

ER

If 1 book was left when a pile of books was stacked in rows

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

noboru

07 Aug 2009, 16:04

47

10

13,100

by: Souravi99

16 Oct 2024, 06:16

ER

If vertices of a triangle have coordinates (-2,2), (3,2) and

805+ (Hard) | Absolute Values, Coordinate Plane

805+ (Hard) | Absolute Values, Coordinate Plane hide tags

noboru

10 Aug 2009, 02:25

236

12

47,305

by: bumpbot

28 Mar 2025, 14:05

ER

What is the probability that a student randomly selected from a class

555-605 (Medium) | Overlapping Sets, Probability

555-605 (Medium) | Overlapping Sets, Probability hide tags

nocilis

05 Feb 2019, 05:45

287

17

191,303

by: Rickooreoisb

08 Jan 2026, 09:06

ER

Is x*|y| > y^2? (1) x > 0 (2) x > y

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

NoHalfMeasures

18 Oct 2021, 22:07

1

2

1,163

by: NoHalfMeasures

18 Oct 2021, 23:30

ER

On the number line, what is the distance between the point 2x and the

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

NoHalfMeasures

14 Jan 2016, 12:34

2

3

7,012

by: bumpbot

28 Jan 2023, 07:04

ER

The figure above represents a rectangular garden bordered by a

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

NoHalfMeasures

04 Jun 2014, 09:39

51

12

16,867

by: bumpbot

29 May 2023, 11:00

ER

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

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

NoHalfMeasures

20 Dec 2015, 20:47

24

6

8,086

by: bumpbot

12 Jun 2023, 04:04

ER

In a sequence k, each term after the second term is the sum

505-555 (Easy) | Sequences

505-555 (Easy) | Sequences hide tags

NoHalfMeasures

11 Aug 2014, 03:29

32

10

15,157

by: bumpbot

12 May 2024, 11:54

ER

What is the value of 6^x*6^y?

505-555 (Easy) | Exponents

505-555 (Easy) | Exponents hide tags

NoHalfMeasures

13 Aug 2014, 11:20

20

2

10,533

by: bumpbot

25 Aug 2024, 21:54

ER

If Mary always takes the same route to work, how long did it take Mary

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

NoHalfMeasures

18 Jan 2016, 02:16

18

3

10,153

by: GGGMAT2

23 Jan 2025, 22:39

ER

Each vote in a certain election went to one of two candidates, X or Y.

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

NoHalfMeasures

04 Jun 2014, 23:10

99

13

26,094

by: bumpbot

02 Feb 2025, 02:07

ER

At a certain high school there 20 more female sophomores

555-605 (Medium) | Fractions and Ratios

555-605 (Medium) | Fractions and Ratios hide tags

NoHalfMeasures

30 Sep 2014, 00:57

89

10

20,626

by: bumpbot

02 Mar 2025, 19:01

ER

The ratio of R to S is 3 to 5, what is the value of the rati

555-605 (Medium) | Fractions and Ratios

555-605 (Medium) | Fractions and Ratios hide tags

NoHalfMeasures

12 Aug 2014, 02:33

36

12

16,376

by: bumpbot

10 Mar 2025, 07:05

ER

The values of x and y vary with the value of z

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

NoHalfMeasures

19 Dec 2015, 15:22

122

10

14,797

by: bumpbot

03 Apr 2025, 12:46

ER

Each baby born at a certain hospital last week was either a single bir

555-605 (Medium) | Number Properties, Word Problems

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

NoHalfMeasures

05 Jun 2014, 03:29

68

9

18,758

by: rak08

11 May 2025, 22:05