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

179

15

79,081

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

188,730

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

488,295

by: bb

29 Aug 2025, 13:27

ER

HOT Competition (Instagram) 31 Aug/11:00AM: On a certain farm, the rat

655-705 (Hard) | Fractions and Ratios

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

Bunuel

31 Aug 2020, 11:00

17

14

5,847

by: Bunuel

15 Nov 2021, 03:43

ER

A rectangular field of dimension 100 m x 80 m is to be covered by

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

EgmatQuantExpert

10 Jun 2018, 02:33

17

8

5,110

by: bumpbot

24 Nov 2021, 07:04

ER

Is the triangle ABC with sides a, b,

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

GMATBusters

14 Jul 2020, 09:30

17

19

5,704

by: Fdambro294

01 Dec 2021, 02:32

ER

Jeff plans to lose weight by reducing his daily calorie intake each we

555-605 (Medium) | Fractions and Ratios, Percent and Interest Problems

555-605 (Medium) | Fractions and Ratios, Percent and Interest Problems hide tags

23a2012

13 Mar 2015, 19:43

17

7

10,138

by: bumpbot

28 Dec 2021, 11:33

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In the diagram below, PQR is a triangle, right-angled at Q. A point S

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

23 Jul 2017, 23:22

17

5

4,601

by: bumpbot

24 Mar 2022, 02:09

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If xyz ≠ 0, is x^3 + y^3 + z^3 = 0?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Bunuel

11 Nov 2019, 04:53

17

2

3,892

by: bumpbot

18 Apr 2022, 12:34

ER

If n is a positive integer, what is the value of the hundreds digit of

555-605 (Medium) | Exponents +2 tags

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

Bunuel

19 Nov 2017, 23:40

17

7

4,142

by: bumpbot

24 Apr 2022, 07:39

ER

What is the remainder when positive integer x is divided by 52?

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

Bunuel

12 Jun 2017, 02:35

17

6

5,380

by: bumpbot

25 Apr 2022, 06:50

ER

Is x^2 < x – |y|? (1) y > x (2) x < 0

805+ (Hard) | Absolute Values, Inequalities

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

logro

15 Sep 2020, 10:38

17

6

2,682

by: bumpbot

12 May 2022, 10:14

ER

Is m +n^3 odd?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

GMATBusters

04 Jan 2020, 19:10

17

3,965

by: bumpbot

14 May 2022, 23:10

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

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

mvictor

26 Sep 2014, 10:05

17

5

4,480

by: bumpbot

17 May 2022, 09:20

ER

In the right triangle above, is c less than 10? (1) b < 8 (2) c > 9

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

29 Apr 2020, 03:20

17

4

9,310

by: bumpbot

07 Aug 2022, 01:58

ER

In the xy-plane, l and m are two lines. (3, 4) is a point only on

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

hetmavani

11 Apr 2018, 10:37

17

3

2,734

by: bumpbot

07 Aug 2022, 14:18

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

805+ (Hard) | Exponents

805+ (Hard) | Exponents hide tags

KanishkM

07 Jun 2019, 00:48

17

11

3,724

by: bumpbot

14 Aug 2022, 13:03

ER

What is the circumference of the circle above?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

30 Apr 2019, 01:04

17

10

4,656

by: BlueDefender

22 Aug 2022, 07:30

ER

A number B is formed by reversing the two digit number A. Wh

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

surendar26

20 Dec 2010, 10:08

17

5

7,816

by: bumpbot

18 Sep 2022, 19:53

ER

If x and y are nonnegative integers and x+y=25 what is x?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

c210

23 Feb 2014, 06:43

17

12

10,569

by: KarishmaB

03 Oct 2022, 02:59

ER

If xy = z, what is the value of x ? (1) y =2z (2) y2 = 4

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

rxs0005

26 Dec 2010, 14:28

17

8

5,279

by: bumpbot

08 Oct 2022, 14:35

ER

If x and y are integers, is y divisible by 3?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

06 Jun 2017, 11:31

17

8

6,151

by: hassi01

13 Oct 2022, 21:27

ER

In the figure above, what is the length of RT?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

17 Aug 2016, 01:54

17

5

7,356

by: bumpbot

21 Nov 2022, 03:36

ER

GMAT CLUB OLYMPICS: The sequence of n integers is such that

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

Bunuel

18 Aug 2021, 08:00

17

5

5,984

by: bumpbot

01 Dec 2022, 03:27

ER

The sum of n consecutive positive integers is 45. What is the value of

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

11 Apr 2018, 09:21

17

5

4,924

by: bumpbot

12 Jan 2023, 19:46

ER

If x is an integer, then is x a prime number?

605-655 (Medium) | Multiples and Factors, Number Properties

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

amp0201

04 May 2012, 20:51

17

2

16,311

by: SaquibHGMATWhiz

25 Feb 2023, 05:07

ER

If x > 1 and m > 1 , is x m < (m + x + 1) ?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

Hussain15

20 Jun 2010, 05:45

17

11

6,276

by: bumpbot

13 Mar 2023, 09:33

ER

K is a rectangular solid. Find the volume of K

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

24 Feb 2015, 07:57

17

7

9,258

by: bumpbot

15 Mar 2023, 07:56

ER

Is xy an integer?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

30 Apr 2015, 04:06

17

6

6,737

by: adityasuresh

15 Mar 2023, 08:12

ER

There are three circles, with radii 2, 4 and 5, respectively

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

guerrero25

15 Jun 2013, 13:26

17

9

6,535

by: bumpbot

26 Mar 2023, 11:57

ER

The hold of a fishing boat contains only cod, haddock, and halibut.

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

28 Jul 2016, 05:23

17

7

6,285

by: bumpbot

11 Apr 2023, 09:01

ER

If each of the students in a certain mathematics class is

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

udaymathapati

23 Aug 2010, 08:54

17

4

15,206

by: bumpbot

15 Apr 2023, 21:01

ER

For a week Raymond is paid at the rate of x dollars per hour

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Jcpenny

31 Dec 2014, 04:30

17

8

14,404

by: bumpbot

23 Apr 2023, 11:50

ER

In the figure above, does a = b?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

systemm6665

28 Apr 2014, 02:45

17

14

8,452

by: Bunuel

23 Apr 2023, 23:47

ER

Is PQ > 1? (1) P^Q = 1 (2) Q = -1

555-605 (Medium) | Exponents, Inequalities

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

shivanigs

05 Nov 2012, 01:13

17

7

16,513

by: bumpbot

23 Jun 2023, 05:06

ER

If x, y, and z are three positive consecutive odd integers, what is th

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

23 May 2020, 08:26

17

12

9,259

by: bumpbot

27 Jun 2023, 07:04

ER

Is xy > 0 (1) x + y > 0 (2) x + 3y < 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Rakesh1987

21 May 2019, 03:14

17

5

4,534

by: bumpbot

02 Jul 2023, 11:29

ER

Is 0< a/b < 1?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

jenl2881

13 Nov 2013, 16:17

17

8

7,819

by: bumpbot

12 Jul 2023, 11:05

ER

What is the GCD of the numbers 3, a, and 12, if ‘a’ is an integer

705-805 (Hard) | Multiples and Factors, Number Properties

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

EgmatQuantExpert

07 Jun 2018, 22:44

17

5

4,279

by: bumpbot

02 Aug 2023, 22:40

ER

What is the length of chord AB in circle O above?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

maxLRok

06 Dec 2012, 06:14

17

16

10,475

by: Vibhatu

18 Aug 2023, 06:15

ER

If parallelogram ABCD has a perimeter of 12 units and ∠ADC = 120

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

firas92

30 Jun 2019, 12:36

17

5

3,626

by: bumpbot

24 Aug 2023, 21:48

ER

Is the area of the right angled triangle ABC>25?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

seesharp

05 Mar 2016, 05:05

17

11

10,119

by: bumpbot

24 Aug 2023, 23:09

ER

If k is an integer, is k prime? Statement #1: k has fewer than four

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

mikemcgarry

10 Mar 2015, 07:19

17

8

8,567

by: rickyric395

07 Sep 2023, 04:59

For a given triangle with sides x,3x and 24, what is the

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

mau5

01 Aug 2013, 03:37

17

10

3,542

by: bumpbot

14 Sep 2023, 10:46

ER

Water is pumped in and out of a tank using an inlet and outlet pipe

505-555 (Easy) | Word Problems, Work and Rate Problems

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

kiran120680

17 Apr 2019, 05:13

17

7

6,590

by: masonjones5711

03 Oct 2023, 22:09

ER

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

505-555 (Easy) | Multiples and Factors, Number Properties

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

Bunuel

08 Oct 2015, 08:11

17

4

7,781

by: bumpbot

11 Oct 2023, 00:34

ER

If n is a positive integer, is n! divisible by 66 ?

555-605 (Medium) | Multiples and Factors

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

goodyear2013

03 Sep 2014, 08:44

17

2

6,921

by: Bunuel

12 Oct 2023, 00:39

ER

If m is an integer greater than zero but less than integer n

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

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

ananthpatri

08 Apr 2014, 09:22

17

13

11,312

by: bumpbot

14 Oct 2023, 05:19

ER

If a total of 84 students are enrolled in two sections of a calculus

Sub 505 (Easy) | Overlapping Sets, Word Problems

Sub 505 (Easy) | Overlapping Sets, Word Problems hide tags

Bunuel

22 Dec 2014, 08:48

17

11

11,700

by: bumpbot

22 Oct 2023, 11:38

ER

There are x and y number of integers respectively in Set X and Set Y,

705-805 (Hard) | Number Properties, Overlapping Sets

705-805 (Hard) | Number Properties, Overlapping Sets hide tags

chetan2u

25 Mar 2016, 05:34

17

8

3,539

by: bumpbot

26 Oct 2023, 02:33

ER

Is the perimeter of a certain triangle less than 24 inches?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

GMATbuster92

22 Sep 2018, 09:07

17

4

5,877

by: bumpbot

27 Oct 2023, 23:05

ER

In how many ways can a coach select a university team from a pool of

505-555 (Easy) | Combinations

505-555 (Easy) | Combinations hide tags

Bunuel

06 Mar 2018, 07:18

17

7

10,118

by: bumpbot

07 Nov 2023, 07:09

ER

If x and y are positive integers, is 4x – 7y < 0?

655-705 (Hard) | Exponents, Inequalities

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

energetics

24 Mar 2019, 13:07

17

4

4,886

by: bumpbot

15 Nov 2023, 00:42