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

178

15

78,897

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

857

24

188,631

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

488,105

by: bb

29 Aug 2025, 13:27

ER

If x is a positive integer greater than 1, is x! + x + 1 a p

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

goodyear2013

08 Jul 2014, 07:07

60

12

22,053

by: bumpbot

20 Aug 2025, 10:21

ER

Is x = y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

peacewarriors

08 Jul 2014, 02:03

8

7

2,952

by: bumpbot

29 Oct 2020, 02:43

ER

Is x = 3? (1) (x - 4)(x - 3)/(x - 3) = 0 (2) (x – 4)(x + 4) = 0

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

peacewarriors

15 Jun 2020, 23:58

4

10

2,891

by: Bunuel

28 Sep 2019, 10:03

ER

On the number line, are the points x and y on the same side

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

krikatkat

06 Jul 2014, 23:50

20

12

4,780

by: bumpbot

14 Dec 2023, 01:14

ER

If x =< 4 and y > = 10, what is the range of the numbers in

705-805 (Hard) | Statistics and Sets Problems

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

goodyear2013

06 Jul 2014, 11:39

15

3

4,101

by: TestPrepUnlimited

14 Aug 2021, 17:45

ER

Is |4m - 3n| > |3m - n| + |m - 2n| ?

805+ (Hard) | Absolute Values, Inequalities

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

Bunuel

06 Jul 2014, 10:11

154

17

16,233

by: bumpbot

20 Mar 2025, 05:49

ER

Is |15 - m| + |m - 15| > 15?

605-655 (Medium) | Absolute Values, Inequalities

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

goodyear2013

06 Jul 2014, 11:48

30

6

7,948

by: bumpbot

16 Jun 2025, 08:27

ER

If x and y are integers, is y an even integer?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Maksym

05 Jul 2014, 05:11

33

6

7,970

by: Bunuel

25 Aug 2024, 05:51

ER

In the figure, ABCD is a square, and OB is a radius of the

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Aragorn2584

03 Jul 2014, 13:04

3

3,938

by: bumpbot

08 Nov 2024, 10:48

ER

Every night, Jon and his brothers randomly determine the sch

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

Ronak275

03 Jul 2014, 12:07

40

4

5,241

by: bumpbot

04 Sep 2025, 16:28

ER

From January 1, 2002 to July 1, 2002, the median household

555-605 (Medium) | Statistics and Sets Problems

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

Gnpth

03 Jul 2014, 08:01

9

3

4,740

by: bumpbot

22 Nov 2023, 17:33

ER

Is quadrilateral MNPQ a rectangle?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

dheeraj24

03 Jul 2014, 04:45

8

10

8,417

by: Bunuel

23 Mar 2023, 09:20

ER

In the 30-day month of June, a motorcycle dealership sold a

705-805 (Hard) | Min-Max Problems, Word Problems

705-805 (Hard) | Min-Max Problems, Word Problems hide tags

dheeraj24

03 Jul 2014, 00:30

54

8

7,639

by: bumpbot

09 Oct 2025, 12:18

ER

Barry leaves for the studio

705-805 (Hard) | Distance and Speed Problems

705-805 (Hard) | Distance and Speed Problems hide tags

gaurav245

02 Jul 2014, 04:49

4

5

3,236

by: Bunuel

02 Jul 2014, 05:07

A regular hexagon is inscribed in a circle. What is the area

Poor Quality

Poor Quality hide tags

smartyman

02 Jul 2014, 01:03

2

5,111

by: dmmk

04 Nov 2014, 08:34

ER

If x and y are non-zero integers, is x = y ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

iaratul

01 Jul 2014, 04:06

9

4

3,075

by: iaratul

01 Jul 2014, 06:43

ER

Is the statistical function the Range on the integers 5, 7,

655-705 (Hard) | Statistics and Sets Problems

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

smartyman

30 Jun 2014, 19:13

13

3

3,235

by: bumpbot

01 Mar 2026, 01:56

ER

What is the greatest common divisor of a + b and 4?

505-555 (Easy) | Multiples and Factors

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

Maksym

29 Jun 2014, 08:53

7

2

3,537

by: GSBae

09 Sep 2014, 06:55

ER

How much special mix must one add to a certain recipe for pa

705-805 (Hard) | Mixture Problems

705-805 (Hard) | Mixture Problems hide tags

singhaldheeraj

28 Jun 2014, 04:41

47

13

13,282

by: NuttyIan

17 Jun 2025, 08:23

ER

When the lengths of two opposite sides of a square garden

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Areto

27 Jun 2014, 13:16

13

7

11,009

by: bumpbot

13 May 2023, 14:19

ER

If xyz < 0, is x < 0 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

27 Jun 2014, 10:21

108

10

16,524

by: KarishmaB

19 Sep 2023, 21:41

ER

Beth's pizzeria offers x different toppings. What is the val

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

anceer

27 Jun 2014, 02:03

72

10

11,777

by: Oppenheimer1945

17 Aug 2024, 02:37

ER

Is ABC a right triangle?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

smartyman

24 Jun 2014, 07:59

14

4

5,998

by: bumpbot

10 Jan 2024, 08:30

ER

In the figure, O is the center of the circle of radius 3, an

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

smartyman

24 Jun 2014, 07:58

4

5

3,962

by: KarishmaB

20 Oct 2016, 22:53

ER

In order to make the national tennis team, Matt

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

jogeshanand

23 Jun 2014, 22:02

88

16

13,287

by: bumpbot

04 Nov 2024, 07:21

ER

Is x > y ? (1) x + y < 0 (2) x - y > 0

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

newbornmuse

23 Jun 2014, 20:49

1

4

4,191

by: Bunuel

22 May 2023, 22:12

ER

What is area of square LMNO ?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Gnpth

23 Jun 2014, 05:33

4

2

7,247

by: Bunuel

23 Jun 2014, 05:41

ER

|x + 2| = |y + 2| what is the value of x + y ?

705-805 (Hard) | Absolute Values, Inequalities

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

1, 2

gauravsoni

17 Oct 2019, 10:37

183

22

24,684

by: anushree01

08 Nov 2025, 03:36

ER

If m and n are integers and x>0, what is value of x^m + x^n?

505-555 (Easy) | Algebra, Exponents

505-555 (Easy) | Algebra, Exponents hide tags

newbornmuse

20 Jun 2014, 05:23

51

11

14,603

by: bumpbot

09 Mar 2025, 05:49

ER

If a and b are two-digit positive integers greater than 10

805+ (Hard) | Remainders

805+ (Hard) | Remainders hide tags

1, 2

Bunuel

20 Jun 2014, 05:03

230

25

21,496

by: bumpbot

23 Jun 2025, 10:28

ER

If the sum of five integers is 875, what is the product of these

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

sidinsin

23 Oct 2023, 04:25

6

4

5,804

by: pierjoejoe

07 Oct 2024, 02:31

ER

At the beginning of last month, a stationery store had in stock 250 wr

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

1, 2

Bunuel

19 Jun 2014, 12:42

132

21

24,263

by: bumpbot

30 Jan 2026, 11:10

ER

What is the radius of the circle with center A ?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Gnpth

19 Jun 2014, 04:35

4

4,255

by: bumpbot

11 Nov 2019, 09:15

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

5,578

by: bumpbot

23 Oct 2020, 02:00

ER

If a and b are positive integers, what is the units digit of

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

honchos

17 Jun 2014, 12:32

208

9

27,029

by: bumpbot

17 Jun 2025, 11:05

ER

A list contains twenty integers, not necessarily distinct.

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

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

honchos

24 Jun 2014, 09:17

172

19

22,253

by: bumpbot

15 Nov 2025, 20:47

ER

The ratio of the number of employees of three companies X, Y

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

18 Jun 2023, 14:42

39

8

14,894

by: egmat

22 Jan 2026, 23:07

ER

If a and b are positive integers, what is the greatest commo

705-805 (Hard) | Multiples and Factors

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

Bunuel

12 Jun 2014, 07:37

158

9

15,083

by: bumpbot

24 Nov 2025, 07:31

ER

Is x^3 greater than x

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krishna789

11 Jun 2014, 21:30

2

4,077

by: krishna789

12 Jun 2014, 00:38

ER

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

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

irda

11 Jun 2014, 03:43

22

18

5,654

by: bumpbot

18 Jan 2023, 13:59

ER

If some of the passengers of the boat Silver Trout board the

605-655 (Medium) | Percent and Interest Problems

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

nidhi12

11 Jun 2014, 02:29

23

15

9,225

by: bumpbot

11 Sep 2024, 00:39

ER

Is x^2 > 5^2 ? (1) |x + 5| = 3|x - 5| (2) |x| > 3

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

madn800

19 Apr 2023, 23:54

15

4

7,365

by: MonishBhawale

19 Apr 2023, 21:19

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

20,633

by: bumpbot

02 Mar 2025, 19:01

ER

Is st = t ? (1) s = st (2) t = ts

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

sidmaken

07 Jun 2014, 13:04

117

13

36,096

by: bumpbot

19 Jan 2024, 03:13

ER

The symbol R represents one of the following

Sub 505 (Easy) | Arithmetic, Functions and Custom Characters

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

Gnpth

07 Jun 2014, 07:50

5

4

14,111

by: bumpbot

01 Dec 2025, 21:35

ER

There are two boxes of markers.The first box has only red

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Manik12345

07 Jun 2014, 01:28

2

7

7,800

by: Manik12345

09 Jun 2014, 01:21

ER

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

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

06 Jun 2014, 06:29

84

14

21,810

by: bumpbot

25 May 2025, 01:59

ER

How many rectangular boxes with the dimensions 1 foot by 3 f

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

nidhi12

05 Jun 2014, 04:20

15

11

9,237

by: bumpbot

14 Dec 2023, 01:21

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

18,763

by: rak08

11 May 2025, 22:05

ER

A train traveled from Station A to Station B at an average speed of 80

605-655 (Medium) | Distance and Speed Problems

605-655 (Medium) | Distance and Speed Problems hide tags

NoHalfMeasures

20 Nov 2023, 09:51

187

16

35,281

by: Bunuel

06 Dec 2025, 03:45