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

79,728

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

858

24

188,980

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

488,678

by: bb

29 Aug 2025, 13:27

ER

Will at least three identical cubes fit inside a cylindrical shipping

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

payalkhndlwl

25 Jun 2019, 23:02

23

7

6,150

by: bumpbot

06 Feb 2023, 07:48

ER

If p,q,r are non-zero numbers, is pq/r>0?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

akurathi12

05 Jan 2019, 11:06

14

4

6,515

by: bumpbot

06 Feb 2023, 06:05

ER

Each of 30 members on a company's board voted once for one of four dif

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

01 Feb 2023, 12:03

1

1,103

by: stne

06 Feb 2023, 05:58

ER

Rishi spends $1054.69 on rent each month and receives a set monthly in

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

07 Apr 2020, 02:46

8

4

3,119

by: bumpbot

06 Feb 2023, 05:31

ER

If this week there were 3,750 more Internet addicts than last week, by

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

11 Jan 2023, 02:30

1

950

by: BrushMyQuant

06 Feb 2023, 04:53

ER

If Z is a positive integer such that (Z/81)^(1/3) = Y^4 - 7. What is

805+ (Hard) | Absolute Values +4 tags

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

Bunuel

07 Nov 2019, 02:56

18

5

4,535

by: bumpbot

05 Feb 2023, 21:20

ER

If x = (9b - 3ab)/(3/a - a/3), what is x? (1) 9ab/(3+a) = 18/5 (2) b

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

21 Jul 2021, 23:50

5

6

4,082

by: bumpbot

05 Feb 2023, 11:47

ER

There is a set of numbers 2, 4, 6, 8,10 and x. What is the value of x?

555-605 (Medium) | Statistics and Sets Problems

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

Bounce1987

15 Sep 2017, 15:12

13

12

6,021

by: dbcoupie123

05 Feb 2023, 10:45

ER

If Set A consists of 10 numbers, each number reciprocal of a prime num

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

chetan2u

21 Jan 2016, 02:09

25

13

4,537

by: bumpbot

05 Feb 2023, 03:25

ER

Is ABCD rectangular

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

1, 2

skamal7

20 Jul 2013, 09:46

54

22

11,431

by: bumpbot

05 Feb 2023, 00:14

ER

ABCDEFGH is a regular octagon. What is the area of triangle ABC?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

23 Jul 2017, 23:34

7

4

10,300

by: bumpbot

04 Feb 2023, 20:51

ER

a, x, and k are positive integers. k is odd. Is a divisible by 24?

805+ (Hard) | Exponents

805+ (Hard) | Exponents hide tags

Bunuel

11 Dec 2017, 00:50

45

11

4,783

by: bumpbot

04 Feb 2023, 06:30

ER

If k is a positive integer whose only prime factors are 2 and 5, is k

555-605 (Medium) | Multiples and Factors

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

Bunuel

18 Jan 2023, 09:15

1

2

1,373

by: Bunuel

04 Feb 2023, 04:45

ER

If a and b are two real numbers, is ab < 6? (1) |a-2| < 1 (2) |b+3|

555-605 (Medium) | Absolute Values, Inequalities

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

ktzsikka

16 Nov 2021, 08:52

5

4

3,149

by: bumpbot

04 Feb 2023, 04:02

ER

If x is an integer, what is the value of x? (1) |x 3| = 2x (2) (x

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

10 Jan 2023, 09:15

4

2

1,299

by: Bunuel

04 Feb 2023, 02:45

ER

Matt and Jaron are constructing a brick wall. If they work

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

aparnaharish

07 Sep 2013, 06:07

20

6

8,205

by: bumpbot

04 Feb 2023, 02:09

ER

What is the value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

30 Dec 2020, 10:13

2

2,205

by: bumpbot

03 Feb 2023, 10:38

ER

What is the remainder when x^2y is divided by 10?

705-805 (Hard) | Exponents, Remainders

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

chetan2u

28 Jul 2018, 00:34

23

6

2,529

by: bumpbot

03 Feb 2023, 10:05

ER

If s < p < t, is the average (arithmetic mean) of s and t equal to 5p/

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

15 Jan 2020, 02:27

1

3

2,095

by: bumpbot

03 Feb 2023, 09:09

ER

Is j prime? (1) j + 1 is not prime (2) j is odd.

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

12 Dec 2016, 12:28

1

2

1,808

by: bumpbot

02 Feb 2023, 19:41

ER

Is the positive square root of x an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

17 Dec 2017, 23:29

3

2,796

by: bumpbot

02 Feb 2023, 14:42

ER

If a, b, c are integers, is a + b + c an odd number? (1) a + b = odd

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

31 Jan 2023, 06:54

1

1,107

by: stne

02 Feb 2023, 12:42

ER

What is the hundreds digit of the integer x?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

HarveyKlaus

10 Jul 2016, 06:43

13

4

9,873

by: bumpbot

02 Feb 2023, 10:28

ER

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

1,830

by: Bunuel

02 Feb 2023, 09:38

ER

What is the value of the integer n? (1) n^2+ 3n = 4 (2) (n + 3)^n = 1

705-805 (Hard) | Algebra, Exponents

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

Bunuel

02 Feb 2023, 06:00

2

6

1,477

by: ChanSu

02 Feb 2023, 09:21

ER

Is point C equidistant from point A(-3, -3) and point B(1, -3) ?

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

Bunuel

24 May 2022, 03:50

4

3

1,717

by: Bunuel

02 Feb 2023, 08:55

ER

In a conference, if each of the 1230 participants ordered for either

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

25 Oct 2018, 02:09

7

6

3,423

by: bumpbot

02 Feb 2023, 08:26

ER

If x + y ≠ 0. What is the value of (ax + ay)/(x + y)?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Lolaergasheva

11 Mar 2011, 07:30

11

4

9,639

by: bumpbot

02 Feb 2023, 08:18

ER

Is x = 4 a solution to the equation x^2 + mx 48 = 0?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

02 Feb 2023, 02:30

2

1

1,216

by: gmatophobia

02 Feb 2023, 07:43

ER

M and N are both nonzero integers. Is M/N a prime number?

605-655 (Medium) | Absolute Values, Number Properties

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

Kiski

24 Jul 2014, 04:32

11

15

7,148

by: bumpbot

02 Feb 2023, 07:16

ER

In the xy-plane, there is a rectangle ABCO shown as the above figure.

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

MathRevolution

06 Apr 2017, 01:08

11

9

4,534

by: Bunuel

02 Feb 2023, 07:05

ER

What is the value of x?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

GMATBusters

01 Nov 2018, 08:04

10

4

7,105

by: bumpbot

02 Feb 2023, 05:50

ER

What is the value of the greater of two numbers if one of the numbers

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

01 Dec 2015, 02:43

7

4

6,769

by: bumpbot

02 Feb 2023, 05:27

If x^2 – 5x + 6 = 0, then x = ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Mahimab

16 Dec 2018, 08:06

4

5

4,052

by: bumpbot

02 Feb 2023, 05:07

ER

What is the value of xy ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

avohden

24 Oct 2013, 17:10

5

3

4,225

by: bumpbot

02 Feb 2023, 05:02

ER

A certain wooded lot contains 56 oak trees. How many pine trees does

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

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

Bunuel

12 Oct 2015, 22:06

8

6

7,840

by: bumpbot

02 Feb 2023, 03:40

ER

Is ax = 6 - bx ?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

avohden

24 Oct 2013, 17:35

5

7

4,375

by: bumpbot

02 Feb 2023, 03:40

ER

What is the ratio of p to r ? (1) The ratio of p to 3r is 5 to 9

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

18 Oct 2019, 05:18

1

4

5,302

by: bumpbot

02 Feb 2023, 03:36

ER

What is the value of x ? (1) x ≤ 8 (2) 8 ≤ x

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

GMATBusters

01 Nov 2018, 22:32

1

4

3,782

by: bumpbot

02 Feb 2023, 03:31

ER

If h is the hundredths digit in the decimal number d = 1.3h4, what is

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

26 Feb 2020, 23:56

13

12

5,527

by: bumpbot

02 Feb 2023, 03:24

Is xy + xz = 0? (1) x = 0 (2) y + z = 0

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

gmat1393

16 Oct 2018, 21:53

2

3

7,013

by: bumpbot

02 Feb 2023, 03:14

ER

Is ax = 3 - bx? (1) x(a + b) = 3 (2) a = b = 1.5 and x = 1

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

grantcke

29 Mar 2018, 21:18

6

9,496

by: bumpbot

02 Feb 2023, 03:04

ER

If X = P*N^K + P where P, N and K are positive integers, is X odd?

705-805 (Hard) | Exponents, Number Properties

705-805 (Hard) | Exponents, Number Properties hide tags

Bunuel

19 Dec 2019, 02:32

9

3

3,972

by: bumpbot

02 Feb 2023, 02:08

ER

What is the value of x? (1) 3 < x < 5 (2) x^2 = 16

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

01 Feb 2023, 02:30

1

1,599

by: gmatophobia

01 Feb 2023, 23:28

ER

What is the value of a^2b/c? (1) a = 1/b and c = 1/a (2) b=c and a=4c

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

02 Jun 2022, 01:56

7

4

2,044

by: prabhsimarkaura

01 Feb 2023, 21:46

ER

What is the value of m in the list of numbers above?

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

cat2010

08 Jan 2023, 19:22

1

1,437

by: Bunuel

01 Feb 2023, 03:17

ER

What is the average (arithmetic mean) of 10 consecutive integers?

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

31 Jan 2023, 10:15

1

2,064

by: SaquibHGMATWhiz

01 Feb 2023, 00:51

ER

If x is an integer, is x even? (1) x^2 - y^2 = 0 (2) x^2 + y^2 = 98

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

31 Jan 2023, 02:30

1

980

by: SaquibHGMATWhiz

31 Jan 2023, 22:45

ER

Rectangle ABDC is perfectly inscribed inside a circle and has an area

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

06 Oct 2021, 05:00

9

4

3,101

by: khumoyuns

31 Jan 2023, 10:06

ER

Is x + y > 1 ? (1) x > 0.798 (2) y < 0.201

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

31 Jan 2023, 07:08

1

914

by: BrentGMATPrepNow

31 Jan 2023, 09:04