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

79,112

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

188,752

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

488,335

by: bb

29 Aug 2025, 13:27

ER

Is q^2 an odd integer? (1) q is an odd integer (2) q^4 is a

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

enigma123

19 Mar 2012, 04:59

11

5

3,728

by: bumpbot

30 May 2017, 11:36

ER

In a gas sample, there are, rounded to the nearest order of magnitude

805+ (Hard) | Exponents, Word Problems

805+ (Hard) | Exponents, Word Problems hide tags

guddo

31 May 2025, 15:58

63

8

3,727

by: Bunuel

17 Jan 2026, 00:15

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Is (a − 5)^2 < (b + 5)^2 ?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

Bunuel

24 Apr 2017, 04:27

16

4

3,727

by: bumpbot

10 Aug 2024, 11:51

ER

Dennis cooks dishes in three colors - red, white and yellow. If Norman

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

16 Jun 2021, 04:30

3

2

3,726

by: bumpbot

21 Jun 2025, 11:15

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Is the positive integer x even? (1) x is NOT divisible by n!, where n

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

Bunuel

11 Jul 2019, 02:25

16

8

3,725

by: bumpbot

04 Nov 2025, 07:26

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If w < x < y < z, is wxyz > 0? (1) wz > 0 (2) xy > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

19 Dec 2016, 05:26

3

3,725

by: shashank1tripathi

25 Dec 2016, 00:09

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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

Among the respondents of a survey, one-fourth do not like to watch mov

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

Nikhil

01 Dec 2018, 10:10

13

10

3,723

by: bumpbot

20 Apr 2025, 02:11

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If a and b are positive integers, What is the value of tens digit of a

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Poor Quality hide tags

Kritisood

22 Apr 2020, 08:28

7

9

3,722

by: Commendlionel

12 Dec 2020, 01:56

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The perimeter of square ABCD is half of the perimeter of parallelogram

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

07 Sep 2015, 23:00

1

5

3,722

by: MathRevolution

15 Sep 2015, 09:29

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A telecommunications companys stock fell 10% last month, while a riva

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

09 Jun 2020, 03:04

19

8

3,720

by: bumpbot

22 Apr 2025, 08:11

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One number is five more than half a second number, which is evenly div

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

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

Bunuel

14 Feb 2016, 11:14

4

3,720

by: bumpbot

20 Jan 2024, 10:56

What is the perimeter of rectangle R ? (1) R is a square. (2) The

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Carcass

01 Nov 2018, 05:04

1

3,720

by: nkin

01 Nov 2018, 05:46

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If a, b, and c are positive integers, a - b = ? (1) 3^a*7^b = 21^c (2

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Bunuel

27 Sep 2021, 01:30

7

4

3,718

by: bumpbot

29 Aug 2025, 21:34

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A bicycle store earned a different percent profit on each of the three

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

06 Apr 2022, 04:00

15

2

3,717

by: bumpbot

22 Jan 2026, 13:04

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

705-805 (Hard) | Absolute Values, Inequalities

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

Darkhorse12

20 Feb 2017, 07:00

11

10

3,717

by: bumpbot

24 Jan 2023, 07:45

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If M and N are integers, is M > N ? (1) M < N^2 (2) |M| N

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

29 Dec 2020, 01:15

11

6

3,716

by: bumpbot

09 Dec 2025, 08:24

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What is the value of non-zero integer R ? (1) R^3 = R^R (2) |R^R| = 1

705-805 (Hard) | Absolute Values, Exponents

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

Bunuel

01 Oct 2019, 03:32

10

6

3,716

by: bumpbot

28 Jul 2021, 22:36

ER

The average (arithmetic mean) of the original six prices for six coats

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

06 Apr 2022, 08:30

15

2

3,715

by: Annukiran

16 Dec 2025, 23:57

ER

What is the value of the product xy?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

11 Nov 2017, 09:35

2

1

3,715

by: Sasindran

11 Nov 2017, 09:44

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10 + 11 + 12 +...+ x = 5106 What is x?

605-655 (Medium) | Arithmetic, Sequences

605-655 (Medium) | Arithmetic, Sequences hide tags

huongguyen

15 Oct 2021, 20:19

22

5

3,714

by: bumpbot

06 May 2026, 07:47

ER

Is x an integer ? (1) 2x is even (2) 3x is odd

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

04 May 2021, 02:09

1

3,714

by: Showmeyaa

04 May 2021, 02:53

ER

At a particular school, 60 male students play sports. How many male st

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

Bunuel

06 Apr 2016, 02:11

11

8

3,714

by: bumpbot

20 Aug 2019, 09:32

ER

A family of 5 people: A, B, C, D, E had an average age of 34 years

605-655 (Medium) | Arithmetic, Word Problems

605-655 (Medium) | Arithmetic, Word Problems hide tags

amanvermagmat

02 Mar 2018, 00:06

12

2

3,713

by: PocusFocus

02 Jul 2025, 18:52

ER

Is |a| = |ab|? (1) a b (2) a^10 b^10 = 0

655-705 (Hard) | Absolute Values, Algebra

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

Bunuel

29 Apr 2016, 02:43

9

6

3,713

by: bumpbot

12 Mar 2023, 17:48

ER

In the figure above, is MN > LM ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

GloryBoy92

01 Jun 2019, 12:54

1

2

3,713

by: CrackverbalGMAT

03 Jun 2019, 14:52

ER

If x and y are consecutive even integers, what is the value of xy? (1)

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

01 Jul 2016, 04:16

3

3,712

by: bumpbot

13 Feb 2024, 00:06

ER

A produce stand sells green peppers for a certain price and red pepper

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

26 Jan 2015, 05:40

5

3,712

by: bumpbot

29 Jan 2022, 08:45

ER

Is the sum of five consecutive integers odd? (1) The first number is o

505-555 (Easy) | Number Properties, Statistics and Sets Problems

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

Sajjad1994

19 Dec 2018, 12:31

7

5

3,711

by: bumpbot

10 Oct 2024, 11:03

ER

Is the line PQ parallel to the line SR? (1) w = q (2) y = z

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

22 Oct 2017, 06:41

7

5

3,711

by: bumpbot

04 Jul 2021, 23:03

ER

In the diagram above, line BC touches the circle at point C, and the

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

17 Jul 2016, 11:27

8

6

3,711

by: agar123

05 Aug 2020, 08:59

ER

A set consists of n distinct integers arranged in the order of increas

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

29 May 2020, 02:06

17

11

3,710

by: bumpbot

23 Apr 2026, 01:31

ER

Each of the letters in the table above represents one of the numbers 3

805+ (Hard) | Graphs and Illustrations

805+ (Hard) | Graphs and Illustrations hide tags

Bunuel

30 Aug 2019, 06:22

14

2

3,710

by: bumpbot

18 Dec 2023, 05:50

ER

Is the circumference of the largest circle above that can contain all

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

01 Aug 2017, 12:44

20

4

3,710

by: poorvi125

28 Oct 2022, 06:53

ER

What is the average (arithmetic mean) of 5 consecutive integers?

555-605 (Medium) | Statistics and Sets Problems

555-605 (Medium) | Statistics and Sets Problems hide tags

Bunuel

25 Jan 2022, 04:21

4

2

3,710

by: BrushMyQuant

07 Oct 2022, 10:13

ER

If a and b are integers, is 5 a factor of ab?

555-605 (Medium) | Multiples and Factors

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

rxs0005

25 Sep 2010, 09:21

5

4

3,710

by: mayank0255

24 Sep 2022, 04:44

ER

How much ice cream is left in a certain tub?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

28 Feb 2016, 09:48

4

3,708

by: bumpbot

12 Jan 2023, 03:48

ER

What percent of the visitors to a certain zoo were female?

705-805 (Hard) | Fractions and Ratios

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

chetan2u

05 Apr 2016, 22:39

3

7

3,708

by: bumpbot

13 Jan 2022, 07:39

ER

Rosy and Daisy bought some books, pens, and pencils. Out of the total

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Nums99

29 May 2024, 01:28

18

3

3,707

by: bumpbot

29 Jul 2025, 19:52

ER

If a < -1, is b between 0 and 1?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

23 Nov 2017, 06:33

9

5

3,707

by: bumpbot

24 Jan 2022, 10:57

ER

In a jar there are 15 white balls, 25 red balls, 10 blue balls..

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k24Moriarty

05 Sep 2020, 15:20

3

2

3,706

by: naveenban2

10 Sep 2020, 13:55

ER

Is x = 9?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

rockroars

10 Nov 2010, 04:53

3

4

3,706

by: bumpbot

28 Jul 2020, 03:52

ER

David has 26 coins in a jar, and all the coins are dimes and nickels.

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

18 Feb 2020, 02:16

10

9

3,706

by: lacktutor

19 Feb 2020, 00:04

ER

SliceCo, a company that sells knives, is structured so that each of it

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

bumpbot

17 Jun 2019, 08:24

9

8

3,705

by: bumpbot

18 Sep 2024, 11:26

ER

Does Meadow Park have a greater number of amphibians than reptiles wit

Sub 505 (Easy) | Arithmetic, Fractions and Ratios

Sub 505 (Easy) | Arithmetic, Fractions and Ratios hide tags

EMPOWERgmatRichC

06 Oct 2019, 21:24

14

6

3,705

by: bumpbot

22 Nov 2021, 20:59

ER

In the diagram find the length of AB?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

11 Nov 2019, 04:41

5

3

3,705

by: Venkatkhad

18 Apr 2021, 10:26

ER

If 4x/7y = 1, then what is the value of 3x + 5y ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

31 Oct 2017, 23:02

4

5

3,704

by: BelalHossain046

27 Mar 2019, 10:54

ER

How many of the 400 students in the 11th grade will take calculus?

Sub 505 (Easy) | Overlapping Sets, Word Problems

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

Bunuel

27 Aug 2015, 01:16

5

8

3,703

by: bumpbot

14 Dec 2022, 23:59

ER

A box contains balls of two sizes big and small and different colo

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

Nikhil

01 Dec 2018, 10:07

10

4

3,703

by: Debo1988

14 May 2020, 07:45

ER

If A and B are single digit non-zero numbers, what is the product of A

655-705 (Hard) | Fractions and Ratios

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

Bunuel

28 Jul 2021, 05:00

14

4

3,701

by: bumpbot

27 May 2025, 09:26