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

79,070

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

188,727

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

488,287

by: bb

29 Aug 2025, 13:27

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Is 1 > |x - 1| ? (1) (x - 1)^2 > 1 (2) 0 > x

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

Hussain15

14 Jul 2010, 06:36

19

7

6,357

by: bumpbot

13 Mar 2023, 09:53

ER

What is the remainder when the positive integer X is divided by 12?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

uday1409

17 Dec 2014, 06:34

10

6

6,357

by: bumpbot

18 Apr 2024, 08:06

ER

Ten years ago, Dorothy deposited a certain amount of money in Account

655-705 (Hard) | Percent and Interest Problems, Word Problems

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

Bunuel

19 Aug 2020, 02:17

17

5

6,357

by: bumpbot

14 Apr 2025, 08:21

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If xy < 3, is x < 3 ?

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

Ankit04041987

18 Jun 2012, 02:23

11

10

6,358

by: CEdward

02 Feb 2021, 14:59

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n and k are positive integers, and when n is divided by k²

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

BrentGMATPrepNow

01 Nov 2016, 11:30

21

6

6,359

by: Bunuel

06 Jun 2024, 00:32

ER

For each positive integer n, the integer n* is defined by n* = n^2 + 1

605-655 (Medium) | Functions and Custom Characters

605-655 (Medium) | Functions and Custom Characters hide tags

Bunuel

07 Nov 2017, 23:38

7

2

6,359

by: bumpbot

11 Jul 2025, 07:29

ER

GMAT Club Around The World!!! What is the value of y? (1) When y is mu

555-605 (Medium) | Inequalities, Number Properties

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

Bunuel

06 Dec 2020, 09:37

4

17

6,360

by: bumpbot

17 Nov 2022, 04:30

ER

Given the equation x^2 + bx + c = 0, where b and c are constants, what

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

31 Mar 2020, 03:07

18

5

6,362

by: bumpbot

01 Sep 2023, 06:09

ER

If the product of the digits of a two-digit number x is 6, what is the

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

13 Apr 2016, 13:09

4

5

6,364

by: bumpbot

05 May 2020, 05:49

ER

Does the curve f(x)=y=ax^2+c intersect with the x - axis?

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

kiran120680

08 Mar 2019, 08:56

24

9

6,365

by: bumpbot

13 Jan 2023, 06:21

ER

If the given addition is correct, what is the sum of T, U and V?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

GMATBusters

29 Sep 2018, 10:47

24

18

6,366

by: bumpbot

17 Feb 2024, 03:21

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Is x = y? (1) x^2 + y^2 = 2xy. (2) 4^(x^2+y^2)=1

605-655 (Medium) | Algebra, Exponents

605-655 (Medium) | Algebra, Exponents hide tags

loveparis

09 Feb 2011, 15:24

13

5

6,367

by: bumpbot

17 Jan 2024, 22:43

ER

If S is a set of integers and 5 is in S, is every multiple

655-705 (Hard) | Statistics and Sets Problems

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

tingjojo

17 May 2011, 06:59

18

10

6,368

by: bumpbot

22 Jun 2025, 19:43

ER

How many factors does positive integer z have?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

Raxit85

10 Feb 2020, 23:01

49

9

6,370

by: bumpbot

11 Dec 2023, 18:25

ER

How many bags of grass seed were used for rectangular lawn X ?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

16 Dec 2014, 05:53

29

8

6,372

by: bumpbot

21 Jun 2025, 05:13

ER

The cost of delivery for an order of desk chairs was $10.00

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

ruturajp

31 Jul 2014, 02:48

14

4

6,373

by: Bunuel

31 Jul 2014, 02:49

ER

If Ms. Smith's income was 20 percent more for 1991 than it was for 199

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

23 Sep 2018, 21:45

3

6,374

by: bumpbot

25 Jul 2022, 09:36

A store purchased coats from a manufacturer at $40 each and then sold

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

guddo

24 Jan 2024, 02:41

21

3

6,375

by: bumpbot

30 Jan 2026, 04:42

ER

If n = p + r, where n, p, and r are positive integers and n

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

abhi758

08 Apr 2010, 03:56

9

6

6,376

by: bumpbot

18 Jun 2025, 00:28

ER

Is x^2 greater than x ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

metallicafan

20 Jun 2012, 10:44

4

10

6,377

by: bumpbot

14 Mar 2023, 11:26

ER

If the ratio of brown cars to blue cars in a certain parking lot is 2:

705-805 (Hard) | Fractions and Ratios

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

Bunuel

25 Jul 2016, 10:10

22

6

6,383

by: Pranavsawant

17 Sep 2025, 21:23

ER

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

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

maxLRok

24 Nov 2014, 01:44

7

6

6,385

by: bumpbot

07 Oct 2022, 08:44

ER

Placerville's soccer team won one third of its first 18 games and one

555-605 (Medium) | Fractions and Ratios

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

d999

11 Mar 2020, 01:48

12

7

6,385

by: bumpbot

28 Jul 2025, 23:16

ER

If P=S(1+r/100)^n where P is the amount from investment, S is principa

655-705 (Hard) | Sequences

655-705 (Hard) | Sequences hide tags

MathRevolution

30 Mar 2016, 23:27

4

6,386

by: bumpbot

10 Feb 2024, 05:16

ER

Is x^2 - y^2 even? (1) x + y is odd (2) x - y is odd

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Pepe

21 Nov 2010, 10:27

9

5

6,389

by: bumpbot

19 May 2024, 13:10

If the median of the 5 integers is 10, is the range of the integers gr

705-805 (Hard) | Statistics and Sets Problems

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

BillyZ

27 Mar 2017, 18:03

11

3

6,390

by: bumpbot

07 Oct 2025, 23:58

ER

When cleaning her house, Carlotta discovered an old box of candles and

Sub 505 (Easy) | Combinations

Sub 505 (Easy) | Combinations hide tags

Bunuel

23 Mar 2020, 07:09

22

7

6,390

by: bumpbot

31 Dec 2025, 02:17

ER

In the figure above, JKL is a right triangle. What is the area of tria

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

13 Nov 2018, 00:42

8

10

6,392

by: Jezza

16 May 2022, 03:14

ER

If x and y are the positive integers, Is x>y?

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

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

1, 2

GMATBusters

11 Apr 2020, 19:11

19

27

6,394

by: bumpbot

11 Oct 2024, 07:01

ER

In the equation ax^2 + bx + c = 0, where a, b and c are constants and

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

gmat1393

02 Feb 2019, 00:45

16

5

6,395

by: bumpbot

26 Jul 2022, 18:51

ER

If p and q are integers, is (p + q)/2 an integer? (1) p < 17 (2) p = q

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

07 May 2021, 05:54

2

4

6,395

by: bumpbot

27 Mar 2025, 07:18

ER

Is x + 2y - 3z > 0 ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

14 Oct 2020, 00:15

30

14

6,397

by: bumpbot

24 Nov 2024, 05:03

ER

What is the value of q ? (1) q = 9^(1/2) (2) |q| = 3

505-555 (Easy) | Absolute Values +2 tags

505-555 (Easy) | Absolute Values, Number Properties, Roots hide tags

Bunuel

15 Nov 2018, 05:34

33

4

6,397

by: bumpbot

12 Jul 2025, 06:50

ER

In triangle ABC, is AC^2 = AB^2 + BC^2 ?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

27 May 2020, 04:26

9

6

6,399

by: GMATWhizTeam

28 May 2020, 04:31

ER

What is the standard deviation of the terms in Set S?

505-555 (Easy) | Statistics and Sets Problems

505-555 (Easy) | Statistics and Sets Problems hide tags

Bunuel

27 Nov 2014, 07:50

11

5

6,399

by: bumpbot

24 Nov 2022, 15:49

ER

If x and y are integers, is x^y<y^x ?

705-805 (Hard) | Exponents

705-805 (Hard) | Exponents hide tags

dreambeliever

10 Jun 2011, 07:27

17

19

6,401

by: bumpbot

01 Aug 2021, 06:12

ER

Is x^3/y = x + x/y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

shivanigs

21 Jun 2012, 01:55

12

13

6,401

by: bumpbot

23 Apr 2023, 01:33

ER

How long does it take a particular jet to fly from its base

555-605 (Medium) | Distance and Speed Problems, Word Problems

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

guygmat

20 Jun 2011, 21:10

19

10

6,401

by: bumpbot

30 Oct 2023, 01:56

ER

The twelve numbers shown represent, the ages, in years, of the twelve

505-555 (Easy) | Statistics and Sets Problems

505-555 (Easy) | Statistics and Sets Problems hide tags

Bunuel

20 May 2019, 21:20

3

4

6,401

by: bumpbot

07 May 2026, 08:11

ER

If x and y are non-negative, is (x + y) greater than xy?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

07 Feb 2018, 21:21

11

6

6,406

by: bumpbot

06 Apr 2025, 04:41

ER

Is ab positive?

Poor Quality

Poor Quality hide tags

ashwink

08 Mar 2017, 06:04

4

8

6,409

by: ScottTargetTestPrep

15 Mar 2017, 16:24

ER

If xy < 5, is x < 1 ? (1) | y | > 5 (2) x / y > 0

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

rxs0005

07 Feb 2012, 16:36

21

5

6,411

by: chetan2u

17 Jun 2020, 09:26

ER

If p and q are consecutive integers, is p a multiple of 3?

655-705 (Hard) | Multiples and Factors

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

BN1989

01 Mar 2012, 05:47

15

9

6,412

by: bumpbot

10 Oct 2024, 08:42

ER

Can the total number of integers that divide x be express

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

EgmatQuantExpert

28 Feb 2017, 04:16

24

5

6,414

by: Bunuel

15 Jun 2025, 01:54

ER

Around the World in 80 Questions (Day 3): If m and n are prime numbers

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

19 Jul 2023, 08:00

20

8

6,415

by: bumpbot

12 Oct 2024, 08:27

ER

If a < b, is a > 0? (1) a^2 < b^2 (2) a^2 < ab < b^2

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

10 Aug 2018, 03:21

19

10

6,417

by: bumpbot

16 Apr 2022, 06:03

ER

Of the 90 houses in a certain community, 60 have a garden. How many

705-805 (Hard) | Statistics and Sets Problems

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

pushpitkc

16 Oct 2017, 13:47

27

6

6,417

by: bumpbot

07 Sep 2025, 13:33

ER

P is a positive integer. Cutting Edge Knife Company original

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

arps

15 Feb 2012, 16:27

9

6,417

by: bumpbot

15 Oct 2025, 00:52

ER

Is |a| > |b|? (1) 1/(a − b) > 1/(b − a) (2) a + b < 0

805+ (Hard) | Absolute Values, Inequalities

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

Bunuel

15 Jan 2021, 02:17

27

5

6,417

by: imaityaroy

13 Dec 2025, 23:19

ER

A company makes and sells two products, A, and B. The costs per unit

705-805 (Hard) | Combinations

705-805 (Hard) | Combinations hide tags

Bunuel

01 Nov 2019, 04:11

13

12

6,418

by: bumpbot

12 May 2021, 22:48