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

79,408

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

188,922

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

488,593

by: bb

29 Aug 2025, 13:27

ER

If m and n are positive integers, is the product mn even

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

20 Apr 2018, 06:26

1

2

1,320

by: PPhoenix77

20 Apr 2018, 10:34

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If 0 < p <= q <= r, what is the value of q? (1) r - p = 260 (2) r - q

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

20 Apr 2018, 06:22

1

2

1,147

by: push12345

07 May 2018, 06:11

ER

Is x = 4? (1) |x + 2| < 10 (2) |x + 5| > 10

605-655 (Medium) | Absolute Values, Inequalities

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

Bunuel

20 Apr 2018, 06:14

20

8

6,298

by: bumpbot

24 Jul 2025, 08:51

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

805+ (Hard) | Absolute Values, Inequalities

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

Bunuel

20 Apr 2018, 06:13

78

12

11,114

by: bumpbot

16 Dec 2025, 18:49

If q is a multiple of prime numbers, is q a multiple of r ?

Poor Quality

Poor Quality hide tags

SonalSinha803

20 Apr 2018, 04:34

3

4,097

by: push12345

06 May 2018, 11:43

ER

A store sells only two types of shirts - branded and non-branded

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

souvik101990

20 Apr 2018, 01:34

17

9

5,098

by: bumpbot

28 Jul 2025, 04:48

ER

Each of three consecutive positive integers is less than 100. Their su

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

MathRevolution

18 Apr 2018, 04:54

7

6

3,318

by: bumpbot

19 Jan 2026, 02:35

ER

If f(n) = 6n^2 + 4n + 8 and g(n) = 4n^2 - 8n - 11, the value of f(x)

705-805 (Hard) | Algebra, Functions and Custom Characters

705-805 (Hard) | Algebra, Functions and Custom Characters hide tags

itisSheldon

17 Apr 2018, 08:35

8

2

3,138

by: MathRevolution

18 Apr 2018, 08:34

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If h denotes the hundredths digit of the number X = 0.4h8, what digit

Sub 505 (Easy) | Fractions and Ratios, Number Properties

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

Bunuel

17 Apr 2018, 05:50

1

2

1,400

by: push12345

02 May 2018, 04:56

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What is the ratio of the number of men to the number of women at the

Sub 505 (Easy) | Fractions and Ratios, Word Problems

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

Bunuel

17 Apr 2018, 05:46

4

3,570

by: bumpbot

23 May 2023, 19:45

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A square is inscribed in a circle. What is the area of the circle?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

17 Apr 2018, 05:45

6

2,915

by: swagatamoitra

13 Jul 2018, 23:47

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Is RX > $2,000? (1) One percent of R times $300,000 is $1,500. (2) On

505-555 (Easy) | Percent and Interest Problems

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

Bunuel

17 Apr 2018, 05:44

1

1,040

by: chetna14

18 Apr 2018, 21:15

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Is wz(x + y) a negative even integer?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

17 Apr 2018, 05:41

2

6

1,640

by: manasveek

20 Apr 2018, 05:17

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If a sequence A has 200 terms, what is the 100th term of A?

Sub 505 (Easy) | Sequences

Sub 505 (Easy) | Sequences hide tags

Bunuel

17 Apr 2018, 05:36

1

2,271

by: chetna14

18 Apr 2018, 21:28

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In a city that has a 6 percent sales tax rate, Vinod purchases a cotto

505-555 (Easy) | Percent and Interest Problems

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

Bunuel

17 Apr 2018, 05:35

3

4

2,202

by: bumpbot

10 Dec 2023, 07:22

ER

If 0 < x <= y , what is the value of x?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Bunuel

17 Apr 2018, 05:33

10

5

2,660

by: bumpbot

08 Nov 2022, 09:30

ER

Was Rylon’s average speed greater than 55 miles per hour? (1) Rylon dr

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

Bunuel

17 Apr 2018, 05:30

2

3

2,534

by: bumpbot

27 Mar 2022, 03:15

ER

Of the N books on a Table, some are English and the rest are Bangla.

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

mamun2871

17 Apr 2018, 04:31

32

6

6,336

by: bumpbot

21 Apr 2025, 02:00

ER

The median of a set of 5 different numbers is x

655-705 (Hard) | Statistics and Sets Problems

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

souvik101990

17 Apr 2018, 01:39

15

5,585

by: bumpbot

16 Aug 2024, 10:19

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Is a positive? (1) a/b < 0 (2) a > b

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

17 Apr 2018, 01:07

2

1,695

by: push12345

01 May 2018, 10:14

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Is x > y? (1) x > 0 (2) x^2 + 1 = y

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

17 Apr 2018, 01:05

2

1,399

by: push12345

01 May 2018, 10:10

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Is x > 1? (1) x^2 + x + 2 > 8 (2) 8(x – 4) > 4(x – 2)

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

17 Apr 2018, 01:04

6

7

2,830

by: ueh55406

23 Apr 2021, 10:31

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Is x < y? (1) s > y – t (2) x + s < t

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

17 Apr 2018, 01:01

2

4

2,282

by: SaquibHGMATWhiz

04 Jan 2023, 07:08

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

Is the total of the sales prices of 3 products greater than $23?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

MathRevolution

16 Apr 2018, 00:53

2

1,181

by: MathRevolution

18 Apr 2018, 04:52

ER

At a local coffee shop, pastries may have nuts, chocolate, both, or ne

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

15 Apr 2018, 09:42

14

7

4,862

by: bumpbot

20 May 2025, 03:32

ER

Is triangle ABC with sides a, b and c acute angled?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

itisSheldon

15 Apr 2018, 00:15

41

12

10,914

by: bumpbot

06 May 2023, 14:35

Is the slope of the line that passes through the point (p, q) positiv

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

itisSheldon

15 Apr 2018, 00:08

12

3

4,117

by: bumpbot

22 Mar 2021, 17:56

ER

When a positive integer n is divided by 5, the remainder is 2. What is

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

MathRevolution

13 Apr 2018, 02:38

20

5

6,432

by: bumpbot

04 Dec 2023, 10:56

ER

What is the value of x? (1) x^2 + x - 12 = 0 (2) x^2 < 25

505-555 (Easy) | Algebra, Inequalities

505-555 (Easy) | Algebra, Inequalities hide tags

Bunuel

13 Apr 2018, 02:17

1

7

2,192

by: MathRevolution

30 Apr 2018, 12:46

ER

The Venn diagram shows the enrollment of 400 college students in one

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

13 Apr 2018, 02:15

9

7

4,662

by: bumpbot

18 Jul 2025, 04:44

ER

Is the positive integer n divisible by 24? (1) n is divisible by 12.

Sub 505 (Easy) | Multiples and Factors, Number Properties

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

Bunuel

13 Apr 2018, 02:12

2

1,683

by: push12345

28 Apr 2018, 06:33

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If y ≠ 0, is y > 0? (1) |y| > 1 (2) y^2 + y/y^2 > 1

505-555 (Easy) | Absolute Values, Inequalities

505-555 (Easy) | Absolute Values, Inequalities hide tags

Bunuel

13 Apr 2018, 02:10

4

7

2,555

by: merajul

16 Nov 2019, 06:05

ER

A certain species of bacteria doubles its population every m minutes.

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

13 Apr 2018, 02:07

7

6

5,375

by: bumpbot

28 Sep 2025, 08:35

ER

If k is a positive integer, what is the value of k? (1) k^2 <10 (2) k

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

13 Apr 2018, 02:07

3

4

1,995

by: push12345

28 Apr 2018, 06:23

ER

Is 2k > 13? (1) 6 < k - 0.6 < 7 (2) k + 0.8 rounded to the nearest in

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

13 Apr 2018, 02:05

2

4

1,535

by: stne

12 Jul 2018, 05:04

ER

If xyz ≠ 0, is xyz > 0? (1) xz < 0 (2) x + y + z = 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

13 Apr 2018, 02:02

2

3

2,524

by: push12345

28 Apr 2018, 06:16

ER

How many math majors are in Professor X’s physics class? (1) If Profes

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

13 Apr 2018, 02:00

1

3

1,790

by: bumpbot

29 Jun 2023, 16:32

ER

The symbol & represents one of the arithmetic operations: addition, su

Sub 505 (Easy) | Arithmetic, Functions and Custom Characters

Sub 505 (Easy) | Arithmetic, Functions and Custom Characters hide tags

Bunuel

13 Apr 2018, 01:59

2

2,275

by: arup1590

14 Apr 2018, 02:24

ER

In the figure shown, if ABCD is a parallelogram, what is the value of

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

13 Apr 2018, 01:56

3

2,571

by: push12345

28 Apr 2018, 05:57

ER

If x and y are positive numbers, is xy < 16? (1) x < 8 and y < 3 (2)

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

13 Apr 2018, 01:54

2

1,742

by: push12345

28 Apr 2018, 05:34

ER

In a certain high school, there are 31 students who are members of the

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

Bunuel

13 Apr 2018, 01:52

9

2

2,881

by: bumpbot

28 Jan 2024, 22:43

ER

In the triangle shown y < z. If j < x < k, what is the least value of

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

13 Apr 2018, 01:46

1

4

2,127

by: ChristianMPT

12 Jan 2019, 10:13

ER

What is the area of the rectangular floor? (1) The length of the floor

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

13 Apr 2018, 01:42

2

2,062

by: NiharikaR

13 Apr 2018, 01:47

ER

Each day, Sergio feeds his cat a 500-gram mixture of Brand X and Brand

555-605 (Medium) | Mixture Problems

555-605 (Medium) | Mixture Problems hide tags

Bunuel

13 Apr 2018, 01:41

4

5

3,928

by: CEdward

08 Jan 2021, 22:24

ER

The heights of a certain plant species are normally distributed. What

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

13 Apr 2018, 01:40

6

2,459

by: push12345

27 Apr 2018, 23:18

ER

If the area of the right triangle shown is 24, what is the value of c?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

13 Apr 2018, 01:37

1

1,217

by: Gladiator59

13 Apr 2018, 01:43

ER

If y = ax and x = bz, what is y when z = 75?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

13 Apr 2018, 01:35

1

3

1,663

by: push12345

27 Apr 2018, 23:12

ER

What is the perimeter of the triangle shown? (1) The area of the tria

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

13 Apr 2018, 01:31

3

5

2,186

by: NonPlus

27 Apr 2018, 23:15

ER

The circumference of circle X is 1/2 the circumference of circle Y. Wh

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

13 Apr 2018, 01:26

2

5

2,387

by: push12345

27 Apr 2018, 22:50