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

175

15

78,554

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

188,424

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

487,768

by: bb

29 Aug 2025, 13:27

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a and b are positive integers. What is the value of b?

555-605 (Medium) | Multiples and Factors

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

Bunuel

21 Apr 2022, 01:30

1

974

by: paulrahul

22 Apr 2022, 13:36

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Is the slope of Line L > 0? 1) Line L does NOT pass through Quandrant

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

GMATinsight

01 May 2020, 00:49

2

974

by: Archit3110

01 May 2020, 08:44

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A school employs math teachers and physics teachers. If 4 of these

555-605 (Medium) | Combinations, Word Problems

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

Bunuel

28 Mar 2025, 00:30

4

975

by: Abhiswarup

30 Mar 2025, 23:17

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What is the value of b ? (1) (a + c)/c = 5 (2) b + a = 3

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

03 May 2021, 19:00

1

975

by: Kinshook

03 May 2021, 19:14

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If Farai is twice as old as Dmitry, how old is Farai?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

06 Mar 2020, 04:14

2

975

by: GMATinsight

06 Mar 2020, 04:27

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Scientists have discovered a distant exoplanet

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Gmat750aspirant

15 Mar 2025, 09:55

6

4

976

by: prathamk111

24 Jan 2026, 12:25

ER

If each of the 8 employees working on a certain project received an

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

Bunuel

09 Apr 2025, 00:30

5

6

976

by: Abhiswarup

09 Apr 2025, 23:19

ER

If x + 2y 0, is x/(x + 2y) < 1? (1) 10|x| = |y| (2) x > 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

26 Sep 2023, 08:15

4

2

976

by: chetan2u

27 Sep 2023, 01:10

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If x and y are positive, is y/x + x/y > 2? (1) x > y (2) x > 1 > y

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

22 May 2023, 03:30

1

976

by: gmatophobia

22 May 2023, 06:24

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Is AB=10 the shortest side of triangle ABC? (1) The perimeter of ABC

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

04 May 2023, 01:30

4

1

976

by: stne

05 May 2023, 08:21

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Is |x| + x > |y| + y ? (1) x > y (2) Both x and y are negative

605-655 (Medium) | Absolute Values, Inequalities

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

Bunuel

08 Jan 2023, 10:27

1

976

by: gmatophobia

08 Jan 2023, 10:50

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

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

16 Jan 2024, 02:30

1

977

by: Oppenheimer1945

16 Jan 2024, 07:45

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How many cookies did Max eat? (1) Sharon ate 4 cookies, 2 fewer than

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

01 Dec 2023, 02:30

1

977

by: umangshah

01 Dec 2023, 05:16

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What is the value of ab ? (1) a|b| = 7 (2) b|a| = 7

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

Bunuel

31 Oct 2023, 01:30

4

2

977

by: unraveled

31 Oct 2023, 08:57

If x and y are positive integers, is the expression x^x + y^y + x^y ev

605-655 (Medium) | Exponents

605-655 (Medium) | Exponents hide tags

RenB

25 Jun 2023, 07:57

2

1

977

by: gmatophobia

25 Jun 2023, 08:18

ER

Three machines, a, b, c, individually can do a certain job.

505-555 (Easy) | Work and Rate Problems

505-555 (Easy) | Work and Rate Problems hide tags

Bunuel

04 Jun 2025, 00:30

6

5

978

by: Aboyhasnoname

18 Sep 2025, 18:56

ER

Did the population of Country S increase by less than 20 percent from

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

27 Oct 2022, 01:30

1

978

by: SaquibHGMATWhiz

27 Oct 2022, 07:06

ER

If Sarah was 21 years old exactly 5 years ago, how old was Larry exact

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

23 Apr 2025, 00:30

3

979

by: sujoykrdatta

23 Apr 2025, 05:19

ER

How many songs did the musician record? (1) Of the songs the musician

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

21 Mar 2024, 01:30

1

979

by: mayankdgmat

21 Mar 2024, 09:16

ER

If a is an integer, is a - b an integer? (1) 95 is a factor of a

555-605 (Medium) | Number Properties, Percent and Interest Problems

555-605 (Medium) | Number Properties, Percent and Interest Problems hide tags

Bunuel

27 Jun 2023, 04:00

1

979

by: arnimavarshney10

27 Jun 2023, 20:38

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If 2x + y 0, is x/(2x + y) < 1 ? (1) |x| = 10|y| (2) y > 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

07 Apr 2023, 11:45

3

1

979

by: Herson

08 Apr 2023, 21:32

ER

What is the value of y?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

31 Aug 2022, 01:30

2

1

979

by: GMATinsight

31 Aug 2022, 04:24

ER

What is the charge per hour of the 1st year associate at a law firm?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

02 Oct 2020, 01:30

1

2

979

by: TestPrepUnlimited

04 Oct 2020, 13:51

ER

At an animal shelter, each cat and each dog received exactly one treat

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

02 May 2025, 03:33

2

3

980

by: Bunuel

11 May 2025, 06:30

ER

If xyz = x, is x = 0 ? (1) yz = 0 (2) xy = 0

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

31 Mar 2023, 04:45

1

980

by: GMATinsight

31 Mar 2023, 05:10

ER

In the figure shown above, point E is the intersection point of the di

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

19 Jan 2022, 04:30

1

980

by: Nidzo

19 Jan 2022, 05:03

ER

Fifty percent of the articles in a certain magazine are written by

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

04 Apr 2025, 00:30

2

1

981

by: Dereno

04 Apr 2025, 22:34

ER

When a positive integer n is divided by 29, what is the remainder?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

22 Jun 2023, 04:00

1

981

by: GMATinsight

22 Jun 2023, 07:14

ER

If x and y are greater than zero, is 1/3*x > 1/4*y? (1) x > y (2) x =6

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

20 Feb 2023, 07:43

1

981

by: GMATinsight

20 Feb 2023, 08:16

ER

If p is the circumference of the circle Q, what is the value of p ?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

24 May 2022, 01:30

1

981

by: zhanbo

24 May 2022, 01:38

ER

In year X, the number of cross-country flights accounted for 16.4

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

19 Jun 2024, 01:30

6

3

982

by: HarishD

19 Jun 2024, 09:12

ER

If y is positive, what is the value of y ? (1) 10 y < 11 (2) y^2 =

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

30 May 2023, 01:30

2

982

by: zhanbo

30 May 2023, 10:48

ER

If x and y are integers, is x a multiple of 5? (1) x + y is a multipl

605-655 (Medium) | Multiples and Factors

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

Bunuel

27 Mar 2023, 10:30

1

982

by: stne

28 Mar 2023, 11:38

ER

What fraction of the students at John Bob Memorial High School are

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

29 Aug 2023, 01:30

1

983

by: nivivacious

29 Aug 2023, 07:37

ER

Which two of the following three inequalities must be true xz < 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

24 Jun 2022, 01:30

3

2

983

by: paragamrutkar

24 Jun 2022, 22:00

ER

Is x> 0? 1) 4^x= 1/64 2) (-4)^x= -64

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Poor Quality hide tags

TheUltimateWinner

22 Apr 2019, 12:15

8

983

by: IanStewart

26 Apr 2019, 06:17

What is the value of a + b + 1?

805+ (Hard) | Algebra, Math Related

805+ (Hard) | Algebra, Math Related hide tags

NathanMasky

24 Feb 2025, 14:57

8

2

984

by: bumpbot

19 Apr 2026, 19:38

ER

Is (r^2)x > 0? (1) r^5 = 1 (2) x > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

26 Sep 2023, 05:15

5

984

by: JeffTargetTestPrep

26 Sep 2023, 08:21

ER

If m and n are positive integers, what is the value of m?

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Bunuel

12 Sep 2023, 05:00

2

1

984

by: GMATinsight

12 Sep 2023, 05:24

ER

If x and y are positive integers, is x even?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

08 Feb 2023, 02:30

1

2

984

by: Sushil117

08 Feb 2023, 10:49

ER

If 50 - 7 < x < 50 + 7, then what is the value of x?

555-605 (Medium) | Inequalities, Number Properties

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

Bunuel

25 Sep 2023, 08:15

2

985

by: IshanSaini

25 Sep 2023, 11:36

ER

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

655-705 (Hard) | Exponents, Inequalities

655-705 (Hard) | Exponents, Inequalities hide tags

Bunuel

19 May 2023, 03:30

1

985

by: TheBipedalHorse

19 May 2023, 22:38

ER

If a, b, c, d, and n are distinct positive integers greater than 1, is

605-655 (Medium) | Exponents, Number Properties

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

Bunuel

20 Jan 2023, 12:15

2

1

985

by: gmatophobia

20 Jan 2023, 13:44

ER

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

605-655 (Medium) | Multiples and Factors

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

Bunuel

28 Nov 2022, 02:30

4

3

985

by: gmatophobia

28 Nov 2022, 09:37

Is the sum of a pair of integers (a, b) odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Raxit85

10 Feb 2020, 23:09

1

985

by: georgioskonst

11 Feb 2020, 17:19

ER

A shopkeeper purchased 20 identical units of an item at a cost of $20

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

24 May 2024, 01:30

1

986

by: Rucha.Shukla

24 May 2024, 04:15

ER

What is the value of z ? (1) 6z = z^2 + 9 (2) z^2 = z + 12

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

05 Dec 2023, 02:30

2

1

987

by: umangshah

05 Dec 2023, 06:31

ER

If x and y are positive integers and x > y, is x/y an integer ?

555-605 (Medium) | Multiples and Factors

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

Bunuel

29 Mar 2023, 08:45

1

987

by: gmatophobia

29 Mar 2023, 11:03

ER

X is a 4-digit integer, and Y is a 3-digit integer. Is the sum of the

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

04 Oct 2023, 01:30

2

1

988

by: LucienH

04 Oct 2023, 16:38

ER

Is a positive integer x divisible by 30? (1) x is divisible by 2 and

555-605 (Medium) | Multiples and Factors

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

Bunuel

09 Aug 2023, 01:30

1

989

by: GMATinsight

09 Aug 2023, 02:31