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

183

15

83,786

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of May 2026

1, 2

Bunuel

01 Jan 2026, 05:45

863

24

191,796

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

491,781

by: bb

29 Aug 2025, 13:27

ER

If m and n are positive integers, what is the units digit of

555-605 (Medium) | Exponents, Number Properties

555-605 (Medium) | Exponents, Number Properties hide tags

Bunuel

16 Jun 2023, 01:30

4

5

1,802

by: mounj223

29 Jun 2023, 12:24

ER

In the figure above, the vertices of ΔOPQ and ΔQRS have coordinates as

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

26 Apr 2019, 02:55

133

10

24,545

by: bumpbot

29 Jun 2023, 14:51

ER

One member of a committee of 5 men and 8 women resigned and was not re

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

16 Oct 2019, 05:31

4

3

5,421

by: bumpbot

29 Jun 2023, 15:04

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

1,815

by: bumpbot

29 Jun 2023, 16:32

ER

P is a point (not shown in the figure) in the plane containing O, R, a

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

23 May 2020, 07:20

34

6

7,888

by: bumpbot

29 Jun 2023, 23:46

ER

If x is a prime number, what is the value of x?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

26 Jun 2023, 01:30

4

5

1,632

by: Momsspaghetti

30 Jun 2023, 03:15

ER

a and b are positive numbers. What is the value of (a-b)/(a+b)?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

29 Jun 2023, 04:00

2

1,069

by: Akshay790

30 Jun 2023, 03:25

What is the value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

achloes

30 Jun 2023, 21:36

1

1,087

by: greysniper7

01 Jul 2023, 00:02

For Company A, by what percent did profit increase this year over last

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

achloes

20 Jun 2023, 03:48

2

1,372

by: achloes

01 Jul 2023, 01:02

ER

If m and n are positive integers, what is the value of m + n?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

30 Jun 2023, 06:00

2

3

1,288

by: gasoline

01 Jul 2023, 02:22

ER

If a and b are positive integers less than 10, what is the mode of the

655-705 (Hard) | Combinations +2 tags

655-705 (Hard) | Combinations, Multiples and Factors, Statistics and Sets Problems hide tags

Bunuel

23 Jul 2018, 01:47

33

8

8,685

by: bumpbot

01 Jul 2023, 04:33

ER

For a positive integer n, when 3^n is divided by 5, what is the

505-555 (Easy) | Exponents, Remainders

505-555 (Easy) | Exponents, Remainders hide tags

Bunuel

27 Jun 2023, 06:00

3

4

1,276

by: Bunuel

01 Jul 2023, 07:30

ER

If p is a positive odd integer, what is the remainder when p is divide

505-555 (Easy) | Remainders

505-555 (Easy) | Remainders hide tags

Bunuel

30 Jun 2023, 01:30

5

3

1,334

by: walterwhite756

01 Jul 2023, 07:37

ER

If v and w are integers, is v > w? (1) v + w >0 (2) w^v < 0

555-605 (Medium) | Exponents, Inequalities

555-605 (Medium) | Exponents, Inequalities hide tags

Bunuel

30 Jun 2023, 01:30

7

3

1,814

by: walterwhite756

01 Jul 2023, 07:47

ER

In the diagram above, O is the center of the circle. What is the leng

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

11 Mar 2015, 04:47

9

8

13,159

by: bumpbot

01 Jul 2023, 10:49

ER

In the figure above, Rand Q are points on the x-axis. What is the area

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

GMATBusters

30 Nov 2018, 10:03

49

6

8,723

by: Crater

01 Jul 2023, 18:45

ER

Is xy > 0 (1) x + y > 0 (2) x + 3y < 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Rakesh1987

21 May 2019, 03:14

17

5

4,565

by: bumpbot

02 Jul 2023, 11:29

ER

If 10 < n < 20, what is the value of n?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

26 Jun 2023, 04:00

2

1,036

by: eshenoy

02 Jul 2023, 12:10

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

505-555 (Easy) | Exponents

505-555 (Easy) | Exponents hide tags

A4G

03 Dec 2013, 17:09

38

3

32,704

by: bumpbot

02 Jul 2023, 12:11

ER

If r^2 + s^2 = t^2, what is the value of t ?

705-805 (Hard) | Algebra, Number Properties

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

MIJI

07 Oct 2019, 07:28

7

6

2,061

by: bumpbot

02 Jul 2023, 13:50

ER

What is the value of positive integer p? (1) 200 multiplied by p is

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

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

Bunuel

27 Jun 2023, 01:31

2

3

1,201

by: walterwhite756

02 Jul 2023, 22:39

ER

If a and b are prime numbers, what is the value of a*b?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

27 Jun 2023, 01:31

4

5

1,648

by: rxb266

03 Jul 2023, 01:19

ER

Is the integer x divisible by 3? (1) The units digit of x is 3. (2)

555-605 (Medium) | Multiples and Factors

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

Bunuel

03 Jul 2023, 01:30

4

2

1,817

by: walterwhite756

03 Jul 2023, 05:45

ER

Are the integers z and f to the right of 0 on the number

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

enigma123

21 Mar 2012, 12:33

20

6

10,765

by: bumpbot

03 Jul 2023, 07:02

ER

If a and b are positive integers and a > b, is a/b an integer?

555-605 (Medium) | Multiples and Factors

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

Bunuel

03 Jul 2023, 04:00

1

1,152

by: JAAX7

03 Jul 2023, 07:16

ER

What is the perimeter of right triangle ABC? (1) AB = 11 (2) AC = 11

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

03 Jul 2023, 01:30

2

1,244

by: JAAX7

03 Jul 2023, 07:50

ER

Is the slope of the line l equal to -1/5?

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

Bunuel

25 Jul 2017, 03:59

12

5

2,669

by: bumpbot

03 Jul 2023, 08:33

ER

What is the median of 3 consecutive integers?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

03 Jul 2023, 08:00

3

1

1,117

by: divyadna

03 Jul 2023, 09:32

ER

Is an integer n even? (1) n(n + 2) = even (2) n(n + 3) = even

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

14 Jun 2023, 06:00

1

3

1,533

by: Bunuel

03 Jul 2023, 10:10

ER

If r and s are positive integers, is r/s a terminating decimal?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

03 Jul 2023, 06:00

4

3

1,627

by: Bunuel

03 Jul 2023, 11:48

ER

If m and k are integers, is x an integer?

705-805 (Hard) | Algebra +2 tags

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

TeamGMATIFY

23 Feb 2016, 18:34

7

3

2,908

by: bumpbot

03 Jul 2023, 22:15

ER

For real numbers a and b, is it true that a = b?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

yudiwan

25 Jul 2016, 18:25

43

16

19,980

by: rxb266

04 Jul 2023, 02:15

ER

If m and n are integers and m not equal to n. Does n = 0?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

04 Jul 2023, 01:30

3

1,571

by: Archit3110

04 Jul 2023, 03:05

ER

If 5x = y +7, is (x y) > 0?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

smartyman

04 Dec 2013, 17:23

113

19

18,359

by: mrd1761

04 Jul 2023, 09:19

ER

Is quadrilateral ABCD a rectangle?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

GKomoku

09 Apr 2020, 12:29

7

4

3,935

by: bumpbot

04 Jul 2023, 11:16

ER

Is quadrilateral ABCD a square?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Nums99

21 May 2021, 03:05

1

2

2,321

by: bumpbot

04 Jul 2023, 11:21

ER

Integer N is between 150 and 180, N = ?

Poor Quality

Poor Quality hide tags

Bunuel

24 Nov 2021, 05:30

6

3

3,794

by: sriyaansth02

04 Jul 2023, 11:55

ER

Equilateral triangle BDF is inscribed in equilateral triangle ACE, as

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

GMATBusters

13 Oct 2018, 10:34

5

6

2,830

by: bumpbot

04 Jul 2023, 18:05

Is x>y? 1) x+y>1/x-y 2) 1/x<1/y

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

TheUltimateWinner

13 Apr 2019, 10:48

7

4

2,172

by: bumpbot

04 Jul 2023, 18:52

ER

Is the average (arithmetic mean) of the seven numbers negative?

Sub 505 (Easy) | Statistics and Sets Problems

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

UncleFrodo

17 Jul 2018, 12:14

25

4

19,385

by: raka99

04 Jul 2023, 22:19

ER

If k does not equal -1, 0 or 1, does the point of intersection of line

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

anceer

13 Dec 2014, 03:58

35

5

6,281

by: bumpbot

05 Jul 2023, 01:26

ER

If x is an integer from 1 to 10, inclusive. What is the value of x?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

05 Jul 2023, 01:30

7

2

2,239

by: GMATinsight

05 Jul 2023, 04:12

ER

Is y < z ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Gnpth

07 Aug 2014, 11:37

9

11

4,177

by: bumpbot

05 Jul 2023, 05:16

ER

If y is not equal to zero, is ax > y? (1) a = -y = |x| (2) a < 1

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

Bunuel

22 Dec 2016, 02:35

5

7

2,287

by: bumpbot

05 Jul 2023, 08:07

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

655-705 (Hard) | Algebra, Multiples and Factors

655-705 (Hard) | Algebra, Multiples and Factors hide tags

Aabhash777

16 Nov 2022, 23:21

7

7,415

by: ankitgoswami

05 Jul 2023, 11:55

ER

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

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

16 Jun 2023, 06:00

1

951

by: ash124

05 Jul 2023, 13:02

ER

In the figure above, are l1 and l2 parallel to each other?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

06 Feb 2018, 05:47

2

4,227

by: bumpbot

05 Jul 2023, 14:17

ER

Is K an even number ? (1) |K - |K|| = K + |K| (2) K^(1/2) = K

655-705 (Hard) | Absolute Values +2 tags

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

Bunuel

06 Dec 2018, 05:36

21

13

6,314

by: bumpbot

05 Jul 2023, 14:22

ER

The area of a rectangle is 28 square centimeter. What is the perimeter

805+ (Hard) | Algebra, Geometry

805+ (Hard) | Algebra, Geometry hide tags

niteshwaghray

01 Jun 2017, 13:34

27

6

8,764

by: bumpbot

05 Jul 2023, 14:29

ER

If x is a positive integer, what is the units digit of 567^24*x^y

655-705 (Hard) | Algebra +2 tags

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

chetan2u

22 Sep 2016, 23:56

15

12

4,507

by: bumpbot

05 Jul 2023, 14:33