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

176

15

78,797

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

856

24

188,570

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

487,998

by: bb

29 Aug 2025, 13:27

ER

At a certain auto dealership, 500 cars were sold last week.

805+ (Hard) | Min-Max Problems

805+ (Hard) | Min-Max Problems hide tags

Nevernevergiveup

27 Jul 2016, 05:04

52

10

8,676

by: bumpbot

08 Jan 2025, 01:15

ER

If 8 skiers raced down a course multiple times in one day, and each

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

28 Jul 2016, 05:17

2

5

3,294

by: bumpbot

05 Apr 2023, 01:51

ER

The hold of a fishing boat contains only cod, haddock, and halibut.

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

28 Jul 2016, 05:23

17

7

6,279

by: bumpbot

11 Apr 2023, 09:01

ER

If a, b, c, and d are positive numbers, and a/b = c/d, what is the val

555-605 (Medium) | Fractions and Ratios

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

mikemcgarry

28 Jul 2016, 12:00

4

3

3,044

by: bumpbot

23 Dec 2025, 20:11

ER

If n = x^5*y^7, where x and y are positive integers greater than 1

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

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

Bunuel

29 Jul 2016, 02:20

86

14

11,168

by: bumpbot

15 Oct 2022, 10:51

ER

What is the perimeter of quadrangle ABCD in which a circle is inscribe

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

29 Jul 2016, 04:00

26

6

3,921

by: bumpbot

06 Feb 2020, 21:07

ER

N and P are points on the number line below 20. Is P closer to 10 than

805+ (Hard) | Arithmetic

805+ (Hard) | Arithmetic hide tags

Bunuel

29 Jul 2016, 10:33

12

4

6,492

by: bumpbot

06 Jan 2025, 01:42

ER

If a is an integer, is b an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

30 Jul 2016, 03:03

3

3,410

by: bumpbot

31 Oct 2021, 01:32

ER

Is r < 1? (1) r > 0 (2) r^2 < 1

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

30 Jul 2016, 03:05

3

2,721

by: bumpbot

10 Dec 2023, 07:09

ER

If P and Q are both positive, what is the value of P?

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

30 Jul 2016, 03:06

2

3,494

by: shashank1tripathi

30 Jul 2016, 05:09

ER

If n is a positive integer, what is the value of n?

555-605 (Medium) | Multiples and Factors

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

EBITDA

31 Jul 2016, 08:23

2

9

2,808

by: Bunuel

01 Aug 2016, 00:17

ER

If a / b > 2, is 3a + 2b < 18?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

EBITDA

31 Jul 2016, 10:48

5

6

2,581

by: Bunuel

01 Aug 2016, 02:00

ER

If |x| = |y|, is x/y = -1?

Sub 505 (Easy) | Absolute Values

Sub 505 (Easy) | Absolute Values hide tags

HarveyKlaus

31 Jul 2016, 11:31

25

8

8,220

by: bumpbot

26 Jan 2023, 12:40

ER

Stanley has gained 8 pounds a year ever since he turned 18. How much

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

01 Aug 2016, 05:08

2

5,257

by: bumpbot

20 Feb 2021, 10:37

ER

In the figure above, with B a point on the line AC, what is the measu

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

01 Aug 2016, 05:44

2

5

4,169

by: bumpbot

07 Apr 2022, 20:16

ER

John, Paul and Linda drove on a 1,500 mile trip. If they shared the...

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

EBITDA

01 Aug 2016, 09:53

1

2,911

by: Bunuel

01 Aug 2016, 09:58

A and B are two integers. Is A-7B Even?

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

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

stonecold

03 Aug 2016, 04:57

1

3

2,231

by: stonecold

24 Aug 2016, 02:16

ER

What is the area of square ABCD, as shown in the coordinate plane abov

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

AbdurRakib

04 Aug 2016, 10:52

11

10

6,306

by: bumpbot

08 Oct 2023, 11:34

ER

Is a positive integer x a prime number?

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

MathRevolution

04 Aug 2016, 19:25

15

9

5,245

by: bumpbot

30 May 2023, 04:14

ER

What is the area of the rectangular region depicted above with sides

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

05 Aug 2016, 05:26

6

9

5,143

by: bumpbot

18 Feb 2024, 07:50

ER

If C = 5r/(2s) and s ≠ 0, what is the value of C?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

05 Aug 2016, 05:29

2

8

5,097

by: bumpbot

27 Mar 2024, 08:18

ER

x + y = 8. Does x = 3?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

11 Aug 2016, 06:48

7

3

4,333

by: bumpbot

08 Aug 2018, 12:11

ER

In triangle ABC, what is the length of AB?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

11 Aug 2016, 06:52

3

6,757

by: KrishnakumarKA1

15 Mar 2017, 02:55

ER

What is the ratio of 2a to b?

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

Bunuel

11 Aug 2016, 06:56

1

2

3,810

by: AbdurRakib

11 Aug 2016, 13:34

ER

Is s = r?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

11 Aug 2016, 06:57

6

5

4,649

by: bumpbot

31 Aug 2019, 07:11

ER

If there are only red, blue, and green marbles in a jar, what is the

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

11 Aug 2016, 06:58

2

3

5,519

by: bumpbot

20 Apr 2025, 06:18

ER

What is the value of f^2 – g^2?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

12 Aug 2016, 08:47

2

2,210

by: Manonamission

12 Aug 2016, 10:33

ER

A shelf contains only books of poetry, short stories, and non-fiction.

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

12 Aug 2016, 08:49

6

2,960

by: PulkitMudgal

05 Nov 2024, 23:46

ER

Which of the following is equivalent to (x + y)(x^2 + y^2)(x^4 + y^4)

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

12 Aug 2016, 08:59

6

5

6,719

by: bumpbot

17 Feb 2021, 06:48

ER

If sr=t, what is the value of r?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

14 Aug 2016, 07:08

10

5

3,434

by: bumpbot

22 Jun 2024, 20:24

ER

Is ab > 2?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

14 Aug 2016, 07:09

1

2

2,083

by: laddaboy

23 Mar 2017, 17:43

ER

Is f < g?

705-805 (Hard) | Absolute Values, Inequalities

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

Bunuel

14 Aug 2016, 07:11

10

15

7,588

by: bumpbot

18 Sep 2018, 05:39

ER

What is the value of 12/5^p?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

14 Aug 2016, 07:13

1

3

2,054

by: MarkusKarl

14 Aug 2016, 15:38

ER

If 3y = 2x + 6, what is the value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

14 Aug 2016, 07:16

3

3,277

by: AyushCrackVerbal

19 May 2019, 18:32

ER

Of the people surveyed last Monday, 60% were homeowners. Of the people

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

HarveyKlaus

14 Aug 2016, 11:06

26

5

12,056

by: bumpbot

19 Jan 2024, 05:42

ER

If x is a positive three-digit integar what is the tens digit of x

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

HarveyKlaus

14 Aug 2016, 11:10

54

14

17,436

by: bumpbot

19 Jan 2024, 08:08

ER

Is the integer k greater than 3 ?

505-555 (Easy) | Exponents

505-555 (Easy) | Exponents hide tags

ramonguib

14 Aug 2016, 17:23

95

15

32,176

by: bumpbot

16 Oct 2024, 13:30

ER

Is x^2 + y^2 > 6? (1) (x + y)^2 > 6 (2) xy = 2

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

14 Aug 2016, 23:37

9

4

8,420

by: bumpbot

14 Mar 2024, 00:35

ER

The total amount that a certain bank loaned in 1998 was $47 million.

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

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

Bunuel

16 Aug 2016, 03:17

8

6

7,961

by: bumpbot

31 Jul 2023, 20:57

ER

In the figure above, what is the area of the shaded region?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

17 Aug 2016, 01:50

2

8

6,247

by: KrishnakumarKA1

15 Mar 2017, 02:51

ER

In the figure above, what is the value of x?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

17 Aug 2016, 01:52

1

3

2,690

by: KrishnakumarKA1

15 Mar 2017, 02:47

ER

In the figure above, what is the length of RT?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

17 Aug 2016, 01:54

17

5

7,351

by: bumpbot

21 Nov 2022, 03:36

ER

If a, b and c are integers and a < b < c. Are a, b, c consecutive

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

stonecold

17 Aug 2016, 07:26

55

5

14,235

by: Bunuel

19 Nov 2017, 23:33

ER

Is k a multiple of 14? (1) k > 13! (2) k = m!, where m is an integer g

605-655 (Medium) | Multiples and Factors, Number Properties

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

duahsolo

17 Aug 2016, 12:18

8

5

2,326

by: bumpbot

19 Oct 2022, 01:16

ER

For all integers x and y, the operation  is defined by xy = (x+2)^2

605-655 (Medium) | Algebra, Functions and Custom Characters

605-655 (Medium) | Algebra, Functions and Custom Characters hide tags

Bunuel

18 Aug 2016, 07:38

15

5

11,338

by: bumpbot

02 Aug 2023, 02:38

ER

If x is an integer, is 72/x an integer?

555-605 (Medium) | Multiples and Factors

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

Bunuel

21 Aug 2016, 04:10

4

3

5,051

by: bumpbot

13 Apr 2024, 03:52

ER

If a > 0 and b > 0, is a/b > b/a ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

21 Aug 2016, 04:13

12

8

12,264

by: ScottTargetTestPrep

06 Oct 2020, 03:47

ER

A total of 72 passengers are on a ship, and they go out on an excursio

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

21 Aug 2016, 04:16

4

3,055

by: TheNightKing

30 Dec 2019, 20:39

ER

In the xy plane, is the point (4, −2) on the line l?

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

21 Aug 2016, 04:16

2

6

3,884

by: Balajikarthick1990

22 Aug 2016, 04:40

ER

Is the integer z divisible by 6?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

stonecold

21 Aug 2016, 07:33

13

7

3,642

by: bumpbot

03 Jan 2026, 02:39