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

79,334

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

188,897

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

488,542

by: bb

29 Aug 2025, 13:27

ER

What is the total profit or loss to the shopkeeper in the sale of a mi

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

21 Jan 2020, 04:55

1

3

3,046

by: bumpbot

26 Feb 2023, 19:01

ER

If xyn < 0 <xym, is y < 0?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

03 May 2016, 05:21

4

3

3,045

by: chetan2u

11 Jul 2021, 19:40

ER

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

655-705 (Hard) | Multiples and Factors

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

Bunuel

24 Jan 2023, 08:29

4

3,045

by: Bunuel

17 Apr 2023, 11:22

ER

If m is 2-digit positive integer and n is a positive integer, what is

605-655 (Medium) | Exponents, Number Properties

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

MathRevolution

13 Oct 2016, 19:04

7

9

3,044

by: kapstone1996

02 Jul 2019, 11:29

ER

In a sequence of N consecutive integers, are there exactly two multi

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

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

Bunuel

19 Aug 2020, 02:17

6

5

3,044

by: KaramveerBakshi

19 Aug 2020, 20:37

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If n is a positive integer. Is n^3-n divisible by 24? 1) 2n has twice

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

GMATinsight

15 May 2017, 04:05

4

2

3,043

by: bumpbot

08 Sep 2018, 06:00

ER

Is x > 0 (1) x^2 > x (2) x^3 > x

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

abhinav008

20 Oct 2020, 00:15

3

7

3,043

by: bumpbot

10 Jan 2022, 01:43

ER

Is y^2 = 0?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

11 Nov 2017, 09:34

1

2

3,043

by: bumpbot

23 Apr 2022, 09:46

ER

If m, n, and p are digits, is (m + n)/p a digit?

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

01 Nov 2016, 04:50

4

3

3,043

by: bumpbot

09 Oct 2024, 10:46

ER

What was the average speed of a runner in a race from Point X to Point

505-555 (Easy) | Distance and Speed Problems

505-555 (Easy) | Distance and Speed Problems hide tags

Bunuel

23 Feb 2022, 08:00

6

2

3,043

by: bumpbot

26 Jan 2026, 05:04

ER

Is m, which does not equal zero, a positive number?

Sub 505 (Easy) | Algebra, Number Properties

Sub 505 (Easy) | Algebra, Number Properties hide tags

Bunuel

02 Feb 2016, 02:05

1

3

3,042

by: bumpbot

31 Oct 2017, 05:51

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What is the value of a - b ? (1) a^2 - b^2 = 9 (2) a^2 - 2ab + b^2 = 1

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

13 Nov 2019, 01:56

2

1

3,042

by: chetan2u

13 Nov 2019, 02:10

ER

At least 200 employees at a certain company play football. If 5 percen

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

Bunuel

19 Dec 2019, 02:47

10

3

3,041

by: bumpbot

27 Jul 2023, 10:13

ER

A vertically oriented cylindrical tank, a rectangular solid tank, and

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

31 Aug 2015, 10:39

8

2

3,040

by: bumpbot

16 Oct 2016, 08:54

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If xy ≠ 0, is x^y <= y^x? (1) x^(1/2) = y (2) x = 2y

705-805 (Hard) | Exponents, Inequalities

705-805 (Hard) | Exponents, Inequalities hide tags

Bunuel

19 Dec 2019, 01:58

12

1

3,040

by: chetan2u

19 Dec 2019, 07:56

ER

Is b<50 (1) The square of (b+x) is less than 2500 (2) The square of (

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

capsicumgirl

29 Sep 2015, 22:05

6

7

3,040

by: bumpbot

23 Aug 2022, 22:49

ER

In the x-y plane, does the parabola y=ax^2+bx+c have x-intercepts?

505-555 (Easy) | Functions and Custom Characters

505-555 (Easy) | Functions and Custom Characters hide tags

MathRevolution

07 Jun 2018, 02:41

13

4

3,040

by: bumpbot

17 Dec 2022, 05:05

ER

Is q < 0?

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

Mo2men

28 Dec 2018, 21:46

5

3

3,040

by: bumpbot

07 Sep 2024, 08:58

ER

On a certain week, 950 visitors chose one of weekdays from Monday thro

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

28 Apr 2021, 03:30

13

8

3,039

by: bumpbot

14 May 2026, 18:09

ER

The equations ax + 2y = 6 and bx + cy = 9 have infinite solutions.

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

11 Jul 2017, 03:36

11

8

3,038

by: bumpbot

08 Apr 2021, 03:44

ER

If n is a positive integer with k digits. What is the value of n?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

19 Dec 2016, 04:55

8

4

3,037

by: daniformic

07 Jul 2020, 15:32

ER

In the expression 3x − 2y < z, is y positive?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

31 Jan 2016, 07:37

2

4

3,037

by: bumpbot

14 Mar 2022, 12:14

ER

Is a^3-b^2>0?

705-805 (Hard) | Absolute Values, Inequalities

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

rajarshee

07 May 2017, 02:34

17

5

3,034

by: exc4libur

09 Jun 2020, 05:26

ER

Is x > 2y? (1) 2x + y < 6 (2) 3x - y > 6

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Russ19

07 Dec 2020, 08:58

9

5

3,034

by: bumpbot

11 Feb 2024, 01:19

ER

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

Sub 505 (Easy) | Exponents, Number Properties

Sub 505 (Easy) | Exponents, Number Properties hide tags

Bunuel

07 Feb 2016, 10:45

3

3,033

by: gurmukh

02 Apr 2020, 09:21

ER

Shane drives from his house to the beach by one of three possible rout

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

09 Jan 2018, 23:42

8

3

3,033

by: bumpbot

07 Feb 2023, 09:18

ER

If there are different numbers of red, blue and white balls, is the nu

705-805 (Hard) | Fractions and Ratios

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

chetan2u

28 Oct 2017, 05:34

11

13

3,032

by: bumpbot

19 Jul 2025, 00:35

ER

If R & S are consecutive Odd integers, then is R>S?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

tirupatibalaji

09 Jan 2011, 06:23

3

2

3,031

by: bumpbot

29 Mar 2017, 06:08

ER

If 5w + 3v = 13, what is the value of vw ? (1) w > 0 (2) w/v = 2

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

13 Sep 2020, 03:00

2

3

3,031

by: Bunuel

13 Sep 2020, 03:42

ER

If Ed’s annual salary is $360,000 what is Rick’s annual salary?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

03 Mar 2021, 15:10

3

3,031

by: Bunuel

12 Apr 2021, 01:15

ER

What is the value of |x| ? (1) x = |x| (2) x^2 = 9

555-605 (Medium) | Absolute Values, Algebra

555-605 (Medium) | Absolute Values, Algebra hide tags

Bunuel

07 Apr 2020, 07:27

7

6

3,031

by: bumpbot

09 Feb 2023, 20:36

ER

What is the remainder when integer n is divided by 3?

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

Bunuel

11 Jan 2017, 03:25

15

6

3,031

by: bumpbot

15 Dec 2023, 07:07

ER

The table above shows the discount schedule that a health club uses

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Hoozan

26 Jan 2021, 05:00

5

3,031

by: bumpbot

29 Nov 2024, 04:09

ER

If m is a positive integer, what is the remainder when m is divided by

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

07 Feb 2024, 02:30

8

2

3,031

by: bumpbot

03 Jul 2025, 05:26

ER

Is x an even integer? Assume n and p are integers.

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

24 Oct 2017, 23:52

3

3,030

by: Plunkster82

31 Oct 2017, 12:23

ER

Is |a - b| < |a| + |b| ? (1) a/b < 0 (2) a^2*b < 0

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

21 Jan 2021, 01:15

9

4

3,030

by: bumpbot

24 Jan 2023, 13:56

ER

On Day X, was the forecast temperature 36°C at noon?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

gmatt1476

30 May 2024, 10:37

2

3,030

by: MartyMurray

06 May 2025, 05:39

ER

Is y > 0?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

24 Jun 2017, 00:13

5

7

3,029

by: ydmuley

26 Jun 2017, 00:23

ER

If z > 0 is z^(1/3) > z^(1/2) ?

555-605 (Medium) | Exponents, Inequalities

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

pran21

16 Aug 2014, 02:10

3

3,029

by: bumpbot

25 Jul 2017, 03:40

ER

A deli sells both orange Juice and apple Juice. A case of apple Juice

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Nikhil

01 Dec 2018, 10:04

1

6

3,029

by: Keyurneema

07 May 2020, 10:24

ER

What is the remainder when positive integer n is divided by 3?

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

Bunuel

27 Apr 2020, 03:22

9

5

3,029

by: bumpbot

14 Mar 2022, 08:07

Three coconuts have distinct weights. The coconuts are weighed two at

655-705 (Hard) | Arithmetic, Word Problems

655-705 (Hard) | Arithmetic, Word Problems hide tags

amanvermagmat

09 May 2018, 11:15

10

2

3,029

by: bumpbot

27 Jun 2024, 12:06

ER

The average (arithmetic mean) of a list of six numbers is equal to 0.

805+ (Hard) | Statistics and Sets Problems

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

Bunuel

06 Apr 2022, 02:00

9

2

3,029

by: bumpbot

17 Dec 2025, 17:53

ER

Is the area of the rectangle more than the area of the square?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

susheelh

02 Jul 2016, 03:58

6

7

3,028

by: bumpbot

19 Jan 2024, 01:24

ER

If a, b, and c are prime, is abc odd?

505-555 (Easy) | Arithmetic

505-555 (Easy) | Arithmetic hide tags

Kaushik786

20 Sep 2021, 07:08

2

3,028

by: bumpbot

29 Jul 2025, 08:28

ER

Did David solve more questions than Steve in a 2-hour test?

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

25 May 2022, 08:30

1

2

3,028

by: bumpbot

09 Aug 2025, 07:12

ER

If x and y are real numbers and a^2x*a^2y = 81, what is the value of x

555-605 (Medium) | Algebra, Exponents

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

Bunuel

11 Feb 2019, 04:02

3

5

3,027

by: bumpbot

12 May 2021, 02:36

ER

12 Days of Christmas GMAT Competition - Day 11: Is the area of triangl

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

24 Dec 2021, 07:00

4

2

3,027

by: Bunuel

25 Dec 2021, 08:00

ER

Is n/12 an integer?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Bunuel

28 Jul 2017, 01:44

11

4

3,027

by: bumpbot

19 Jul 2024, 23:07

ER

If O and P are each circular regions, what is the area of the smaller

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

noTh1ng

07 Aug 2015, 06:17

2

7

3,026

by: bumpbot

15 Jul 2019, 04:09