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

79,319

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

858

24

188,884

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

488,521

by: bb

29 Aug 2025, 13:27

ER

If 80% employees of a company play soccer, what percent of the employe

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

14 May 2020, 08:10

8

6

3,355

by: bumpbot

21 May 2025, 05:07

ER

Is x – 2y + z greater than x + y – z?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

20 Dec 2015, 06:04

3

6

3,353

by: bumpbot

12 Dec 2023, 00:21

ER

A data set contains 5 values: 11, 13, 15, 19, and x. What is the value

505-555 (Easy) | Statistics and Sets Problems

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

MathRevolution

22 Feb 2018, 02:09

6

3,353

by: bumpbot

12 May 2022, 10:42

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A skirt and a purse cost a total of $50.80. How much does the purse co

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

01 Feb 2017, 10:44

2

3,353

by: v12345

22 Jul 2020, 09:24

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If q is a member of the set {21, 22, 24, 25, 26, 27} what is

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

rxs0005

25 Sep 2010, 08:41

3

2

3,353

by: bumpbot

25 Sep 2019, 05:18

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If x + y is an integer, is y an integer?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

jamifahad

18 Jul 2011, 05:10

6

3,352

by: Bunuel

06 Dec 2017, 00:45

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What is the perimeter of triangle MNO?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

17 Jan 2016, 11:28

4

7

3,352

by: bumpbot

13 May 2017, 07:50

ER

A box contains some pens, which are either fountain pens or ball pens.

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

05 Jan 2022, 06:00

9

3

3,351

by: bumpbot

15 Mar 2026, 09:02

ER

Positive integers a, b and c are all less than 10. If the sum of all

805+ (Hard) | Arithmetic +2 tags

805+ (Hard) | Arithmetic, Combinations, Number Properties hide tags

Bunuel

11 Oct 2022, 02:31

16

4

3,351

by: bumpbot

14 Jun 2025, 06:51

ER

What is the units digit of x?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

27 Apr 2016, 00:15

10

5

3,351

by: bumpbot

10 May 2024, 23:39

ER

What is the value of n in the list above?

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

15 Sep 2020, 09:00

3

4

3,351

by: bumpbot

19 Jan 2023, 02:02

ER

What is the value of integer x? (1) x + x^2 = 0 (2) |x| + x^2 = 2x

605-655 (Medium) | Absolute Values, Algebra

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

Bunuel

22 May 2020, 02:59

9

4

3,351

by: bumpbot

21 Nov 2022, 13:04

ER

What is the value of positive two-digit integer x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

vikasp99

28 Feb 2017, 00:54

4

2

3,350

by: bumpbot

29 Jul 2024, 21:45

ER

The decimal representation of the number is given

555-605 (Medium) | Algebra, Inequalities

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

EgmatQuantExpert

23 May 2017, 07:26

6

5

3,350

by: bumpbot

28 Feb 2023, 09:06

ER

If x ≠ y, is y - x > 1/(x-y)?

605-655 (Medium) | Algebra, Inequalities

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

CAMANISHPARMAR

15 Jun 2019, 07:12

5

3,350

by: bumpbot

04 Oct 2020, 23:38

ER

Is a - b > 0?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

NYCgirl15

23 Apr 2015, 16:03

1

4

3,350

by: bumpbot

31 May 2019, 23:22

ER

In the Triangle ABC has angles a, b c at vertex A B C respectively. Is

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

rxs0005

20 Feb 2012, 10:10

1

5

3,350

by: bumpbot

17 Sep 2016, 13:37

ER

PQP is a three-digit number having digits P and Q; and RQS5 is a four-

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

Bunuel

28 Jul 2017, 01:22

6

3

3,349

by: bumpbot

22 Dec 2021, 18:13

ER

Triangle ABC is inscribed in a circle as shown above. What is the radi

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

11 Jul 2019, 01:25

1

2

3,349

by: vishalkazone

11 Jul 2019, 03:50

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What is the value of x^2 + 6x + 9 ? (1) x^2 + 6x = 40 (2) x + 3 = 7

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

edison2020

09 Oct 2020, 06:03

7

11

3,348

by: charlie1195

18 Dec 2024, 08:22

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If x is an integer, what is the value of x?

655-705 (Hard) | Absolute Values, Inequalities

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

BrentGMATPrepNow

13 Oct 2016, 08:22

7

5

3,348

by: ganeshkmr16

22 Jan 2023, 15:14

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A bag contains 24 chips, each of which is black, blue, green, or red,

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

Bunuel

29 Apr 2018, 09:25

2

3,348

by: v12345

03 Jul 2020, 23:46

ER

A typist typed complete pages of several books in a day. If he typed

655-705 (Hard) | Work and Rate Problems

655-705 (Hard) | Work and Rate Problems hide tags

Bunuel

06 Aug 2024, 01:30

19

7

3,347

by: Adit_

22 Apr 2026, 06:00

ER

If A and B are integers, is the product AB even?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

kiran120680

17 Apr 2019, 08:40

13

8

3,347

by: Saupayan

06 Sep 2023, 21:23

ER

At how many points the graph y = ax^2+bx+c intersect x-axis?

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

GMATinsight

18 Jan 2021, 08:15

14

4

3,347

by: Foreheadson

24 Sep 2022, 03:50

ER

What is the number of 10 cents coins in the piggy bank?

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

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

Bunuel

09 Mar 2020, 02:27

12

10

3,347

by: lacktutor

10 Mar 2020, 00:15

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Is xy < 1? (1) |x|y ≠ x|y| (2) (x − y)^2/(x + y)^2 = 1

655-705 (Hard) | Absolute Values, Inequalities

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

Shrey08

01 Jun 2021, 08:33

10

2

3,345

by: bumpbot

29 Jul 2025, 02:39

ER

John wants to put the 78 pencils in the 6 boxes. The number of the eac

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

MathRevolution

19 Apr 2016, 06:05

11

3

3,344

by: bumpbot

13 Mar 2025, 17:21

ER

If y ≠ 1, is (x - 1)/(y - 1) = 1 ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

mystiquethinker

26 May 2015, 06:13

4

3,344

by: bumpbot

07 Aug 2022, 19:35

ER

For all integers n, the function f is defined by f(n)=(a)^6/n where

555-605 (Medium) | Functions and Custom Characters

555-605 (Medium) | Functions and Custom Characters hide tags

Bunuel

11 May 2022, 05:00

6

2

3,343

by: bumpbot

13 Feb 2025, 07:08

ER

At company X, do at least 40 percent of the workers over the age of 40

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

24 Apr 2018, 05:44

17

6

3,343

by: bumpbot

20 Feb 2024, 06:19

ER

If sequence x1, x2, x3, ..., xn is such that xn+1 is 5 more than xn fo

605-655 (Medium) | Sequences

605-655 (Medium) | Sequences hide tags

Bunuel

13 Apr 2022, 01:30

7

2

3,342

by: luisdicampo

15 Apr 2026, 08:12

ER

GMAT Club World Cup 2022 (DAY 9): If k is a positive integer and k has

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

Bunuel

21 Jul 2022, 08:00

12

5

3,342

by: bumpbot

06 Jun 2025, 02:01

ER

What is the remainder when the positive three-digit number xyz is divi

655-705 (Hard) | Multiples and Factors, Remainders

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

Bunuel

31 Jan 2022, 02:30

17

4

3,340

by: bumpbot

14 Sep 2025, 19:25

ER

Poll: Is xy < z? (1) xyz = 1 (2) xyz^2 > 1

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Frank28

08 Jul 2020, 14:51

4

3,340

by: mSKR

09 Jul 2020, 09:58

ER

If r and s are consecutive even integers, is r greater than s ?

655-705 (Hard) | Inequalities, Number Properties

655-705 (Hard) | Inequalities, Number Properties hide tags

Bunuel

17 Dec 2017, 01:35

3

8

3,340

by: Bunuel

28 Dec 2017, 07:28

ER

Is (x - 2)(x - 3) > 0? (1) x - 2 > 0 (2) x - 3 < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

TheUltimateWinner

18 Oct 2023, 00:07

8

5

3,339

by: bumpbot

24 Nov 2024, 01:28

ER

If list Q contains more than two numbers, are all the numbers in Q equ

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

14 Jul 2020, 01:43

12

8

3,339

by: bumpbot

12 Jun 2024, 03:09

ER

Is B an integer? (1) B^3 is an integer

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

rxs0005

04 Feb 2012, 18:35

7

2

3,339

by: bumpbot

20 Jun 2016, 22:41

a, b and c are integers such that a < b < c. Do they have a

805+ (Hard) | Statistics and Sets Problems

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

cyberjadugar

09 Jun 2012, 12:04

3

2

3,339

by: mika84

22 Jun 2015, 14:06

ER

There are four different positions on a lacrosse team

555-605 (Medium) | Fractions and Ratios

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

itisSheldon

16 Apr 2018, 09:33

8

5

3,338

by: bumpbot

11 Jan 2020, 17:20

ER

Kelly's raise increased his salary by what percent ?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

19 Sep 2022, 03:24

6

2

3,337

by: RICHA1189

20 Mar 2023, 10:48

ER

If x and y are positive integers, is (4^x)*(1/3)^y < 1?

555-605 (Medium) | Exponents, Inequalities

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

Bunuel

21 Jan 2015, 02:58

4

5

3,337

by: SaquibHGMATWhiz

15 Nov 2022, 09:36

ER

Does |r+s|=|m+n|?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

Bunuel

29 Apr 2016, 02:44

7

5

3,337

by: bumpbot

05 Apr 2022, 11:14

ER

Is the positive integer r a multiple of the positive integer s?

605-655 (Medium) | Multiples and Factors

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

Bunuel

15 Jul 2019, 00:56

16

6

3,336

by: bumpbot

28 Sep 2024, 07:29

ER

If x is a positive integer, is x/30 a terminating decimal?

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

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

MathRevolution

03 May 2018, 02:10

9

4

3,336

by: bumpbot

14 Feb 2023, 04:18

ER

If m is a three-digit positive odd integer such that the sum of its di

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

15 Sep 2020, 03:00

1

4

3,336

by: Akp880

15 Sep 2020, 05:37

ER

In the figure below, segments AB and CD represent two different ways

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

14 Jan 2015, 02:21

11

7

3,336

by: bumpbot

25 Jul 2018, 18:22

ER

If (y^2 + 1)^(1/2) = 2, what is the value of y ?

555-605 (Medium) | Algebra, Roots

555-605 (Medium) | Algebra, Roots hide tags

Bunuel

07 Sep 2017, 23:56

5

2

3,335

by: bumpbot

17 Dec 2018, 01:32

ER

If y = |x| + x, where y is an integer. Is y = 0 ?

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

GMATBusters

15 Mar 2019, 00:15

9

11

3,334

by: bumpbot

17 Jan 2026, 04:30