GMAT Data Sufficiency (DS) Forum - Free Practice Questions

ER

Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

178

15

78,972

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

857

24

188,670

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,177

by: bb

29 Aug 2025, 13:27

ER

Is the positive integer x prime?

555-605 (Medium) | Multiples and Factors

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

Bunuel

31 Jul 2018, 22:03

25

6

5,287

by: bumpbot

22 Jun 2025, 11:02

ER

Of the 48 students in a class, 16 like to study History. What percenta

805+ (Hard) | Statistics and Sets Problems

805+ (Hard) | Statistics and Sets Problems hide tags

mangamma

19 Apr 2019, 09:11

33

7

5,287

by: bumpbot

23 Apr 2025, 08:16

ER

What is the units digit of x?

605-655 (Medium) | Algebra, Number Properties

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

Bunuel

26 Apr 2016, 06:38

13

10

5,287

by: vishalsinghvs08

05 May 2023, 09:10

ER

Is m^3 > m^2?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

fireinbelly

28 Apr 2013, 03:05

12

14

5,287

by: GMATCoachBen

20 Oct 2022, 13:46

ER

If q is a multiple of n, and n is a positive integer, is 360/q an

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

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

Bunuel

01 Sep 2015, 22:32

18

11

5,286

by: bumpbot

23 Sep 2021, 04:49

ER

Is xyz > 0 ? (1) xy + yz > 0 (2) xz > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

avohden

16 Nov 2013, 00:51

4

5,286

by: bumpbot

03 Apr 2019, 05:55

ER

If x is not equal to 0, is 1 x 1 ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

09 Mar 2020, 03:04

11

8

5,285

by: bumpbot

01 Sep 2023, 19:10

ER

What is the measure of angle AOB in the circle with center O?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

02 Sep 2018, 23:42

8

7

5,285

by: anurasi

27 Dec 2019, 01:55

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

5,284

by: bumpbot

02 Feb 2023, 03:36

ER

If r, s, and t are positive integers, is r + s + t even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

09 Apr 2021, 02:42

4

5,284

by: winterschool

10 Apr 2021, 10:59

How is Bill related to Betty?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

ashwink

05 Mar 2017, 00:14

1

2

5,282

by: bumpbot

19 Sep 2025, 11:41

ER

If x and y are positive integers , is x^y + (x^x)(y^y) odd?

805+ (Hard) | Exponents, Number Properties

805+ (Hard) | Exponents, Number Properties hide tags

Bunuel

17 Nov 2021, 07:00

8

4

5,282

by: felon57

30 Jan 2025, 18:21

ER

If xy ≠ 0, is x = y? (1) |x| = |y| (2) xy > 0

505-555 (Easy) | Absolute Values

505-555 (Easy) | Absolute Values hide tags

HIUY

27 Mar 2018, 02:30

12

5

5,281

by: bumpbot

09 Nov 2022, 07:18

ER

If p and q are positive integers, is p/q also an integer?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

CrackverbalGMAT

17 May 2019, 06:34

11

3

5,280

by: bumpbot

05 Jan 2024, 17:55

ER

If n is a positive integer, and (45*14*7^n - 15*7^(n - 1)*54)^(1/2) is

805+ (Hard) | Exponents +3 tags

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

Bunuel

17 Mar 2020, 05:38

23

7

5,279

by: bumpbot

08 Oct 2023, 00:15

ER

If O and ∆ are digits. What is the value of ∆.OOO + O. ∆∆∆?

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

Bunuel

29 Jan 2020, 01:44

31

4

5,277

by: bumpbot

09 Sep 2025, 18:47

ER

Is 3 a factor of the positive integer m?

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

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

Stardust Chris

23 Feb 2015, 14:03

19

7

5,276

by: bumpbot

20 Apr 2024, 05:09

ER

At a golf driving range, a computer automatically records th

Poor Quality

Poor Quality hide tags

amy888

24 Feb 2014, 18:36

3

5,276

by: bumpbot

13 Feb 2021, 23:22

ER

If xy = z, what is the value of x ? (1) y =2z (2) y2 = 4

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

rxs0005

26 Dec 2010, 14:28

17

8

5,274

by: bumpbot

08 Oct 2022, 14:35

ER

If a ≠ b, what is the value of a + b?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

21 Oct 2019, 23:33

3

5,269

by: Hoozan

24 Mar 2022, 01:46

ER

Is y^x > x^y? (1) y > x (2) x is a positive number

655-705 (Hard) | Exponents, Inequalities

655-705 (Hard) | Exponents, Inequalities hide tags

Bunuel

10 Sep 2017, 21:42

20

7

5,264

by: bumpbot

14 Mar 2024, 08:17

ER

If x, y, and z are integers greater than 0 and x = y + z, what is the

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

amirdubai1982

11 Nov 2010, 02:55

10

9

5,264

by: bumpbot

08 Jun 2023, 02:19

ER

Is country X's GDP higher than country Y's GDP? (1) GDP of the countr

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

29 Jan 2020, 01:52

3

2

5,263

by: bumpbot

07 Jul 2021, 06:46

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

5,260

by: bumpbot

20 Feb 2021, 10:37

ER

What is the area of equilateral triangle ABC?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

23 Jan 2015, 07:37

7

11

5,260

by: rhine29388

12 Apr 2016, 14:59

ER

A car and a van are traveling at different constant speeds on a straig

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

Bunuel

29 Apr 2018, 09:37

21

13

5,259

by: bumpbot

04 Feb 2022, 06:01

ER

Each person who attended a certain concert paid the same

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

dreambeliever

02 Jun 2011, 19:35

2

13

5,259

by: bumpbot

27 Oct 2021, 09:26

ER

When positive integer y is divided by 51, the remainder is x. What is

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

20 Apr 2016, 01:02

19

9

5,258

by: bumpbot

28 Jan 2021, 14:25

ER

Data set M consist of distinct negative integers. What is the value of

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

21 Dec 2018, 06:10

12

7

5,257

by: bumpbot

31 Mar 2022, 01:53

ER

Is x^2 equal to xy? (1) x^2 + y^2 = -(x^2 y^2) (2) x = y

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

06 Oct 2015, 05:50

12

7

5,256

by: bumpbot

26 Dec 2022, 03:43

ER

Is x positive? (1) x − y < 0 (2) x^2 − y^2 > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

16 Jun 2018, 00:15

12

6

5,254

by: bumpbot

20 Apr 2025, 03:17

ER

12 Days of Christmas GMAT Competition - Day 2: Warren has exactly

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

1, 2, 3, 4, 5

Bunuel

17 Dec 2024, 09:00

88

98

5,254

by: HansikaSachdeva

19 Dec 2024, 08:50

ER

A, B, C, and D are distinct points on a plane. If triangle A

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

IrinaOK

04 Jul 2014, 05:50

7

13

5,254

by: Bunuel

04 Jul 2014, 05:52

ER

A line of people waiting to buy a device, 12% of the people have to wa

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

31 Jul 2020, 00:51

13

10

5,253

by: bumpbot

23 Jun 2025, 15:02

ER

If, on a coordinate plane, point A has the coordinates

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bull78

25 Jul 2010, 12:53

8

11

5,253

by: abhishekmayank

14 Dec 2021, 00:14

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

5,249

by: bumpbot

30 May 2023, 04:14

ER

In a certain marching band formation

Poor Quality

Poor Quality hide tags

Vineetk

29 Jun 2013, 03:35

1

6

5,249

by: Bunuel

07 Mar 2016, 10:00

ER

What is the volume that a certain jar can hold?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

AbdurRakib

05 Jun 2016, 14:46

18

11

5,248

by: bumpbot

23 Aug 2022, 13:23

ER

All geologists must pass a written test and a field test to become lic

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

15 Oct 2019, 02:40

14

5

5,247

by: bumpbot

17 Jul 2025, 12:34

ER

Is a > b ? (1) ca > cb (2) 3a > 3b

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

prab

21 Oct 2010, 02:13

11

5

5,246

by: bumpbot

06 Feb 2024, 02:24

ER

Nate Dogg sings hooks for two different prices: $52 for an EP and $58

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

07 Sep 2015, 04:34

17

5

5,245

by: bumpbot

27 Oct 2025, 20:35

ER

S = { w , x , y, z } , is the range of S greater than 5 1 -

555-605 (Medium) | Statistics and Sets Problems

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

rxs0005

26 Sep 2010, 09:27

9

5

5,243

by: CEdward

01 May 2021, 13:58

ER

Every night, Jon and his brothers randomly determine the sch

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

Ronak275

03 Jul 2014, 12:07

40

4

5,242

by: bumpbot

04 Sep 2025, 16:28

ER

Is a > bc? (1) a/c > b (2) c > 3

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

17 Apr 2015, 04:36

15

11

5,242

by: GinoRako

04 Jan 2023, 03:54

ER

In the trapezoid ABCD above, BC = 20, and AE = 8. What is the perimete

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

10 Jul 2020, 01:50

18

8

5,240

by: bumpbot

09 Oct 2023, 02:06

ER

If O is a center of a circle as above figure, what is the area of the

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

MathRevolution

18 May 2016, 16:13

8

4

5,240

by: bumpbot

14 Jan 2022, 02:05

ER

A certain motel has a total of 540 units, each of which has a 1-person

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

20 Oct 2019, 02:35

3

2

5,238

by: TestPrepUnlimited

21 Oct 2019, 20:12

Is d greater than or equal to 0? 1). d is the median of d, 1/d, -d 2).

805+ (Hard) | Statistics and Sets Problems

805+ (Hard) | Statistics and Sets Problems hide tags

PriyankaPalit7

18 Mar 2019, 10:38

36

7

5,237

by: bumpbot

30 Sep 2025, 13:34

ER

If both conveyer belt A and conveyer belt B are used, they can fill a

505-555 (Easy) | Work and Rate Problems

505-555 (Easy) | Work and Rate Problems hide tags

Bunuel

29 Oct 2017, 01:46

14

3

5,237

by: bumpbot

24 Feb 2022, 05:11

ER

If a and b are integers then what is the remainder when a^2 + b^2 is

705-805 (Hard) | Multiples and Factors, Remainders

705-805 (Hard) | Multiples and Factors, Remainders hide tags

Kritisood

16 Apr 2020, 01:18

20

5

5,236

by: bumpbot

04 Dec 2022, 04:48