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

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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

188,726

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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

488,277

by: bb

29 Aug 2025, 13:27

ER

Is m+10 positive?

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sandysilva

18 Dec 2017, 02:58

7

1,830

by: sandysilva

18 Dec 2017, 07:58

ER

If the length of a rectangular solid is 7, then what is its surface

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

EMPOWERgmatRichC

26 Sep 2019, 14:20

2

1,830

by: EMPOWERgmatRichC

26 Sep 2019, 14:34

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What is the value of x? (1) |y^2 - 4| = x + 2 (2) |5 - x| = 9

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

btrg

16 Apr 2019, 09:04

8

5

1,830

by: bumpbot

30 Dec 2023, 04:34

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Is n divisible 35? 1) 4n^2/15 = Integer 2)2n/7=Integer

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

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

GMATinsight

26 Nov 2020, 22:36

13

5

1,830

by: bumpbot

31 Jul 2025, 20:08

ER

In a large bookcase, each shelf contains the same number of books

555-605 (Medium) | Word Problems

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Bunuel

13 Dec 2024, 01:30

2

1,830

by: bumpbot

18 Jan 2026, 04:43

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A and B are two positive integers. What is the Greatest prime factor

655-705 (Hard) | Multiples and Factors, Number Properties

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amanvermagmat

17 Mar 2019, 11:38

1

1,829

by: IanStewart

17 Mar 2019, 12:27

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If p is a positive number, is p > 4 ?

655-705 (Hard) | Inequalities

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Bunuel

20 Jun 2020, 04:43

3

2

1,829

by: chetan2u

20 Jun 2020, 05:03

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One side of a certain triangle has length 7. Is the perimeter of the t

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

12 Feb 2023, 22:36

4

1,829

by: dvns

01 Nov 2023, 09:36

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Is 2^x > 75 ? (1) 3^x > 50 (2) 2^x*3^x > 1500

605-655 (Medium) | Exponents, Inequalities

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

Bunuel

27 Nov 2018, 00:44

4

1,828

by: ArjunJag1328

27 Nov 2018, 05:09

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Five distinct numbers a, b, c, d, e are in random order. If they are

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

amanvermagmat

05 Jul 2018, 22:04

2

1,828

by: bumpbot

11 Apr 2020, 05:46

Sarah and Michael ran from point A to point B, immediately turned and

555-605 (Medium) | Distance and Speed Problems

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amanvermagmat

12 May 2018, 22:30

3

2

1,828

by: sanjayparihar16

03 Mar 2023, 23:49

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Is a – b > 2.5 ? (1) a > b + 2.5 (2) a = 3 + b

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

09 Feb 2022, 09:00

3

2

1,828

by: bumpbot

06 Feb 2024, 03:06

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If when k is rounded to the nearest unit, the result is equal to the

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

26 May 2021, 05:30

7

2

1,828

by: bumpbot

14 Nov 2024, 05:54

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If x and y are positive numbers, is x/y an integer?

555-605 (Medium) | Number Properties

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GMATBusters

01 Feb 2020, 19:34

3

6

1,827

by: Archit3110

02 Feb 2020, 02:04

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How many bananas did Jerry the monkey eat today? (1) Today, Jerry ate

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

Bunuel

15 Oct 2019, 23:18

2

1,826

by: Gmatmenow

21 Apr 2021, 07:43

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Does a = 0? (1) a^3 = a^4 (2) ab ≠ b

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

25 Sep 2017, 00:07

1

3

1,826

by: bumpbot

08 Nov 2022, 00:49

ER

The symbol represents one of the operations: addition, subtraction

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Bunuel

02 Feb 2024, 02:30

3

4

1,826

by: Bunuel

06 Jul 2024, 05:20

Maria runs a business of buying and selling of ready-made Tuxedos

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

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

amanvermagmat

12 Mar 2018, 03:59

1

2

1,825

by: amanvermagmat

13 Mar 2018, 11:09

ER

The total area of the smaller circle is what percent of the total area

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

23 Apr 2018, 21:48

4

1,825

by: smritisingh8

10 May 2018, 07:12

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If y and z are integers, what is the value of y + z ?

555-605 (Medium) | Inequalities

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Bunuel

29 Aug 2019, 06:46

4

1,825

by: Nikhil40

09 Jun 2020, 09:53

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What is the average of x and y? (1) 2x + 3y = 12 (2) x and y are

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

17 Jan 2024, 10:45

2

4

1,825

by: saswat1987

09 Mar 2024, 21:38

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Steve bought some apples at a cost of $.60 each and some oranges at a

555-605 (Medium) | Word Problems

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Bunuel

05 Apr 2024, 01:30

4

1

1,825

by: Nidzo

05 Apr 2024, 03:59

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Is x/15 > y/25 ? (1) 5y + 3x > 8x + 2y (2) 6y + 5x > 10x + 3y

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

18 Nov 2019, 02:08

1

1,824

by: rajatchopra1994

18 Nov 2019, 03:23

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What is the mean of a, b, c, d, e, and f ?

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

31 Jan 2019, 01:14

4

3

1,824

by: bumpbot

13 Jan 2023, 11:23

ER

What is the value of the integer y? (1) 40 < y < 44 (2) y has at least

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

31 Dec 2017, 12:05

6

3

1,823

by: bumpbot

27 Sep 2020, 21:50

ER

a + b = 8. Is ab > 8? (1) a^2 - b^2 = 32 (2) a^2 + b^2 = 40

605-655 (Medium) | Algebra, Inequalities

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

Bunuel

03 Nov 2021, 05:00

2

1

1,823

by: Nidzo

03 Nov 2021, 06:15

Is the integer n even? (1) n is divisible by 4 (2) n is divisible by 6

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

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

lylawaters

20 Apr 2023, 13:44

3

1,823

by: HarshaBujji

21 Apr 2023, 07:23

ER

If n is a positive integer, is n equal to 6?

555-605 (Medium) | Inequalities

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HKD1710

15 Jan 2017, 07:54

2

1,822

by: Nikkb

07 Sep 2017, 01:24

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What is the ratio between W and Q? (1) Q + W = 23. (2) W is 25% of Q.

505-555 (Easy) | Fractions and Ratios, Percent and Interest Problems

505-555 (Easy) | Fractions and Ratios, Percent and Interest Problems hide tags

Bunuel

14 Oct 2019, 03:11

1

1,822

by: CareerGeek

14 Oct 2019, 05:54

ER

If ab = c, is 72/b an integer? (1) c = 36 (2) 72/a is an integer

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

02 Dec 2019, 23:37

7

9

1,822

by: hero_with_1000_faces

05 Dec 2019, 05:46

ER

If a and b are integers, then what is the value of ab ?

505-555 (Easy) | Exponents

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Bunuel

03 Feb 2021, 10:41

1

2

1,822

by: bumpbot

29 Nov 2022, 01:24

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What is the value of a + b ? (1) (a + b) 2 = 4 (2) a = 2 b

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Carcass

30 Sep 2022, 00:53

5

4

1,822

by: Bunuel

02 Feb 2023, 09:38

ER

What is the sum of the terms in a certain sequence of consecutive

555-605 (Medium) | Sequences

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Bunuel

01 Mar 2023, 02:30

4

2

1,822

by: SaquibHGMATWhiz

06 Mar 2023, 03:13

ER

Is quadrilateral ABCD a parallelogram? (1) AB = BC (2) BC = CD = DA

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

07 Mar 2023, 08:10

2

1

1,822

by: stne

14 Mar 2023, 11:30

ER

Is ab + cd > 0 ? (1) ac + db > 0 (2) ad + bc > 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

01 Dec 2022, 02:59

5

2

1,822

by: bumpbot

08 Jun 2025, 10:49

ER

A rectangular field is 3.2 yards long. What is the area of the field

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

22 Oct 2021, 01:30

2

3

1,821

by: 100mitra

24 Oct 2021, 07:45

ER

The number of dogs stocked at a certain pet shop is k times the number

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nislam

29 Oct 2021, 10:30

7

5

1,821

by: andrenoble

06 Nov 2021, 04:37

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In triangle ABC, AB = BC = 7. What is the area of ABC ?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

28 Jul 2022, 03:04

4

2

1,821

by: RishabRao96

22 Sep 2022, 23:47

ER

What is the area of the shaded region, if O is the center of the circl

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

11 Sep 2018, 02:11

1

2

1,820

by: Diwakar003

11 Sep 2018, 11:13

ER

Given a right circular cylinder with radius 2, what is the height of

555-605 (Medium) | Geometry

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Bunuel

09 Sep 2018, 08:01

1

1,820

by: MikeScarn

15 Sep 2018, 18:57

ER

What is the value of b? (1) The radius of the circle is 6 (2) ac = 12

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

09 Sep 2018, 08:03

4

3

1,820

by: madhankumar666

23 Sep 2018, 19:28

ER

In a certain museum gift shop, did sales of calendars account for 15

555-605 (Medium) | Word Problems

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Bunuel

30 Dec 2020, 22:00

1

3

1,820

by: bumpbot

18 Jul 2023, 15:57

ER

The number of cats in Libbys house is twice the number of dogs and on

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

08 Feb 2024, 02:30

2

3

1,820

by: AdarshSambare

06 Oct 2025, 09:15

ER

What is the perimeter of a rhombus? (1) Its area is 140 square meter

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

10 Dec 2018, 03:08

8

5

1,819

by: gmatapprentice

20 Jul 2019, 06:49

ER

Is the exact value of x/y less than 0.5? (1) When x and y are rounded

805+ (Hard) | Number Properties

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Bunuel

12 May 2021, 04:30

4

1,819

by: GMATinsight

28 May 2021, 07:53

ER

What was the average number of miles per gallon of gasoline for a car

505-555 (Easy) | Word Problems

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Bunuel

24 Oct 2022, 01:30

1

1,819

by: $!vakumar.m

21 May 2023, 09:04

ER

If Simba walked at a constant rate, did it take more than 15 minutes

705-805 (Hard) | Work and Rate Problems

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Bunuel

02 Aug 2024, 01:31

10

3

1,819

by: ektalakra

21 Aug 2025, 12:41

ER

Hoses P and T simultaneously fill an empty swimming pool that has

Sub 505 (Easy) | Work and Rate Problems

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Bunuel

17 Apr 2024, 01:30

5

3

1,819

by: bumpbot

17 Jan 2026, 04:47

ER

Is x an integer? (1) The average (arithmetic mean) of x – 1 and x +

555-605 (Medium) | Number Properties

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Bunuel

09 Jan 2018, 23:32

7

1,818

by: amanvermagmat

10 Jan 2018, 22:43

ER

If y = 4, what is the value of 2x + 7y ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

13 Feb 2019, 00:07

2

1,818

by: EgmatQuantExpert

13 Feb 2019, 23:55