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

79,863

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

189,006

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

488,716

by: bb

29 Aug 2025, 13:27

In the diagram above, triangle PQR has a right angle at Q. What is the

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Carcass

21 Jan 2022, 11:30

3

1,535

by: Carcass

23 Jan 2022, 11:30

ER

If x and y are integers and x>y, then what is the value of x-y?

705-805 (Hard) | Algebra, Inequalities

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

mangamma

28 Apr 2019, 08:43

13

5

3,965

by: bumpbot

21 Jan 2022, 20:54

ER

In the figure above, what is the area of semicircle DPA?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

07 Dec 2020, 01:15

12

7

3,138

by: bumpbot

20 Jan 2022, 19:29

ER

If A = 2B, is A^4 > B^4?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

23 Jun 2016, 02:12

13

5

3,077

by: bumpbot

19 Jan 2022, 03:05

ER

In the figure, what is the value of z? (1) x = 30 (2) y = 60

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

06 Sep 2019, 10:55

2

3

1,710

by: bumpbot

13 Jan 2022, 10:10

ER

If x and y are both positive perfect cubes, what is x+y?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

09 Feb 2015, 06:37

13

7

5,912

by: bumpbot

13 Jan 2022, 08:05

ER

What percent of the visitors to a certain zoo were female?

705-805 (Hard) | Fractions and Ratios

705-805 (Hard) | Fractions and Ratios hide tags

chetan2u

05 Apr 2016, 22:39

3

7

3,715

by: bumpbot

13 Jan 2022, 07:39

ER

If a square with 20 as one side’s length and decreases to a and b show

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

MathRevolution

21 Mar 2016, 18:29

8

7

2,592

by: bumpbot

13 Jan 2022, 07:23

ER

If a*b*c=60, where a, b, and c are integers greater than 1

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

stunn3r

25 Jun 2013, 02:03

5

4

5,029

by: bumpbot

13 Jan 2022, 06:35

ER

What is the ordinate (y-coordinate) of point C?

705-805 (Hard) | Coordinate Plane, Graphs and Illustrations

705-805 (Hard) | Coordinate Plane, Graphs and Illustrations hide tags

fskilnik

11 Mar 2019, 05:26

14

3

3,193

by: bumpbot

12 Jan 2022, 07:33

ER

Is x > y, where x and y are different non zero integers.

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

rajarshee

22 Sep 2015, 22:14

15

6

2,708

by: bumpbot

12 Jan 2022, 07:29

ER

If a and b are non-zero integers, is a^b <1? (1) a > 0 (2) b < 0

705-805 (Hard) | Exponents, Inequalities

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

Bunuel

11 Jan 2022, 02:30

1

1,352

by: ElninoEffect

11 Jan 2022, 02:59

ER

a is a positive integer less than 10 and r is the remainder when

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

Stardust Chris

23 Feb 2015, 14:14

6

3

2,814

by: bumpbot

09 Jan 2022, 19:42

ER

When 55 is divided by 3x the remainder is 2x. What is the value of x?

705-805 (Hard) | Number Properties, Remainders

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

1, 2

Bunuel

23 Jan 2015, 07:36

54

23

10,743

by: bumpbot

07 Jan 2022, 12:26

ER

If x is a positive number, rounded to the nearest integer, is x^2 equa

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

08 Dec 2021, 09:00

4

2

1,650

by: rajshreeasati

05 Jan 2022, 01:49

ER

In the xy-coordinate plane, is the point (a,b) further from the point

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bunuel

02 Dec 2019, 01:25

7

2

2,417

by: bumpbot

04 Jan 2022, 10:07

ER

Let n be a positive integer. Is n^2 + 1 divisible by n + 1?

705-805 (Hard) | Multiples and Factors, Number Properties

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

Bunuel

02 Dec 2019, 00:40

9

2

2,365

by: bumpbot

04 Jan 2022, 09:46

ER

If a and b are positive integers, 2 < a, and 0 < b < 10, is the hundre

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

09 Feb 2015, 06:39

20

11

4,757

by: bumpbot

31 Dec 2021, 11:15

ER

Points A and B lie on Circle O. Is the area of Circle O greater than 8

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

23 Apr 2015, 03:46

27

9

8,651

by: bumpbot

30 Dec 2021, 09:24

ER

If x, y and z are positive integers, and y and z are factors of x^2

705-805 (Hard) | Multiples and Factors, Number Properties

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

Bunuel

03 Feb 2020, 02:16

21

15

3,757

by: bumpbot

28 Dec 2021, 03:42

ER

If A ,B , and C are points on the plane, is AB < 10 ?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

dungtd

04 Aug 2010, 20:35

3

8

4,350

by: bumpbot

22 Dec 2021, 17:19

ER

What is the remainder when x^4 + y^4 divided by 5?

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

1, 2

mdfrahim

04 Jul 2009, 23:08

37

24

13,341

by: bumpbot

18 Dec 2021, 20:00

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

5,271

by: abhishekmayank

14 Dec 2021, 00:14

ER

If these lines intersect at point C, is either m or p greate

705-805 (Hard) | Absolute Values, Coordinate Plane

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

WoundedTiger

04 Jan 2013, 04:37

16

11

5,705

by: bumpbot

05 Dec 2021, 05:25

ER

Is x greater than x^3 ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

lumone

20 Apr 2014, 12:26

9

10

5,948

by: bumpbot

03 Dec 2021, 11:19

ER

If -3x > 4y, is x < 0? (1) y > 0 (2) 3x + 5y – 20 = 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

21 Apr 2017, 07:55

20

7

4,075

by: bumpbot

03 Dec 2021, 07:52

ER

What is the area of the parallelogram inscribed in a circle?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

ritula

24 Jun 2015, 07:23

14

19

11,216

by: bumpbot

03 Dec 2021, 03:57

ER

If P^2 + Q^2 =1, is P – Q =1?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

shivanigs

25 Aug 2012, 05:32

11

13

11,254

by: Bunuel

02 Dec 2021, 08:35

ER

Is the triangle ABC with sides a,b,c a right-angled triangle?

705-805 (Hard) | Exponents, Geometry

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

GMATBusters

31 Mar 2020, 21:49

2

5

1,885

by: Karthik740

29 Nov 2021, 12:01

In a sequence, S, the ratio of each successive term is fixed. If the

705-805 (Hard) | Sequences

705-805 (Hard) | Sequences hide tags

nislam

28 Nov 2021, 10:53

5

1

1,323

by: GMATist1

28 Nov 2021, 11:26

ER

If O is the center of the circle above and the length of chord AB is 2

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

25 Nov 2019, 02:19

7

5

6,178

by: thakurarun85

28 Nov 2021, 08:40

ER

In the sequence d_1, d_2, d_3, . . ., for all positive integers n, d_

705-805 (Hard) | Inequalities, Sequences

705-805 (Hard) | Inequalities, Sequences hide tags

Russ19

11 May 2021, 10:04

7

4

2,059

by: chetan2u

27 Nov 2021, 20:40

ER

A rectangular solid box is x inches long, y inches wide and z inches

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

19 Nov 2014, 08:18

30

5

6,721

by: bumpbot

21 Nov 2021, 16:59

ER

Point Q is located on the circumference of a circle drawn on the coord

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Fighter1095

22 Sep 2020, 07:02

10

5

4,179

by: bumpbot

19 Nov 2021, 14:56

ER

If O represents the center of a circular clock and the point of the cl

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

23 Jun 2015, 23:08

25

11

8,253

by: mgan

15 Nov 2021, 04:51

ER

What is the remainder when the positive integer x is divided by 7? 1)

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

Russ19

11 Nov 2021, 10:21

5

1

1,668

by: chetan2u

12 Nov 2021, 00:36

ER

If x and y are positive integers, is x/y a terminating decimal?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

30 Jan 2018, 07:19

33

8

8,537

by: Bunuel

09 Nov 2021, 08:55

ER

Is 9 the HCF of p and q?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

GMATBusters

23 May 2020, 19:09

21

15

5,431

by: Fdambro294

04 Nov 2021, 00:38

ER

If n and p are positive integers, what is the ratio of n to p?

705-805 (Hard) | Algebra, Fractions and Ratios

705-805 (Hard) | Algebra, Fractions and Ratios hide tags

Bunuel

25 Jan 2018, 23:34

11

9

3,323

by: bumpbot

03 Nov 2021, 20:47

ER

If a, b, and c are all integers, is ab + bc + ca + a^2 odd?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

22 Jul 2021, 01:31

7

6

3,780

by: Bunuel

03 Nov 2021, 07:14

ER

In the figure shown, all the lines pass through point A in the center.

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bunuel

30 Sep 2021, 01:30

4

2

1,513

by: Bunuel

03 Nov 2021, 06:47

ER

In the xy-coordinate plane, line L 1 and line L 2 intersect at the

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

RITU700

05 Mar 2016, 12:59

14

4

4,864

by: bumpbot

31 Oct 2021, 09:19

ER

Is x > 0?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

1, 2

afife76

27 Feb 2014, 11:15

26

21

9,238

by: bumpbot

30 Oct 2021, 06:47

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

5,270

by: bumpbot

27 Oct 2021, 09:26

If K! has exactly 6 different prime factors, find the value of K?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

nick1816

22 Jun 2019, 17:19

2

3

3,014

by: bumpbot

25 Oct 2021, 14:53

ER

If PQRS is a parallelogram, what is the area

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

GMATBusters

25 Apr 2020, 19:36

3

13

4,378

by: bumpbot

21 Oct 2021, 09:13

ER

If a,b, and c are positive integers with at least one of

705-805 (Hard) | Sequences, Statistics and Sets Problems

705-805 (Hard) | Sequences, Statistics and Sets Problems hide tags

chetan2u

20 Jun 2018, 21:14

20

7

4,214

by: bumpbot

20 Oct 2021, 00:37

ER

If x and y are integers, is 3x^4 + 4y even?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

PyjamaScientist

16 Oct 2021, 04:36

2

1

1,439

by: GMATinsight

16 Oct 2021, 04:56

ER

Is quadrilateral PQRS a parallelogram? (1) P, Q, R, S are the mid-poi

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

amanvermagmat

25 Jun 2018, 11:06

20

4

3,522

by: bumpbot

23 Sep 2021, 22:50

ER

A terminating decimal is a number with a finite number of nonzero digi

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

17 Sep 2021, 01:30

7

3

2,622

by: TestPrepUnlimited

18 Sep 2021, 07:43