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

179

15

79,912

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

189,027

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,750

by: bb

29 Aug 2025, 13:27

ER

Is x + x > -y (1) x + y = 1 (2) x > 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

08 Jun 2023, 06:15

2

1,124

by: andrenoble

08 Jul 2023, 05:05

ER

If |x+1|=|y+1|, what is the value of x+y? 1) xy<0

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

MathRevolution

20 Dec 2017, 01:53

16

5

3,817

by: gmatophobia

07 Jul 2023, 09:33

ER

The base of the roof of a building has a pentagonal shape. The roof is

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

18 Oct 2016, 23:41

15

7

5,524

by: Vibhatu

07 Jul 2023, 01:09

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

6,237

by: bumpbot

05 Jul 2023, 01:26

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

2,798

by: bumpbot

04 Jul 2023, 18:05

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

2,887

by: bumpbot

03 Jul 2023, 22:15

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

2,045

by: bumpbot

02 Jul 2023, 13:50

ER

Let m and n be positive integers. Is (m^13 - m^12)/n an integer?

705-805 (Hard) | Exponents, Number Properties

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

Bonojit

13 Jun 2023, 01:51

3

4

1,264

by: chetan2u

28 Jun 2023, 02:05

ER

If x and y are two numbers on the number line, is x + y = 0 ?

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

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

GMATBusters

20 Jul 2019, 07:41

24

9

3,672

by: bumpbot

27 Jun 2023, 22:57

ER

If x and y are greater than 1, is the largest prime factor of x greate

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

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

Bunuel

22 Apr 2016, 04:46

11

3

3,553

by: bumpbot

27 Jun 2023, 14:32

ER

Given x and y are positive integers such that y is odd, is x divisible

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

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

Bunuel

10 Apr 2015, 04:48

32

13

6,043

by: bumpbot

27 Jun 2023, 04:13

ER

In the diagram above, the fourteen rectangular tiles are all

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

nave

04 Feb 2014, 03:22

84

10

20,857

by: Ritik25

26 Jun 2023, 12:24

ER

What is the area of the triangle PQR in the circle shown above?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

05 Sep 2018, 23:40

16

7

3,557

by: bumpbot

26 Jun 2023, 10:40

ER

If y is an odd number and x3y4=648, y=? 1) y is positive. 2) x is

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

BillyZ

26 Mar 2017, 16:14

11

8

3,749

by: bumpbot

25 Jun 2023, 11:14

ER

If n is a positive integer, is n a prime number?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

23 Jun 2023, 01:30

4

2

1,603

by: 8.toastcrunch

23 Jun 2023, 02:35

ER

Is CB||ED? (1) ABC and AED are both isosceles triangles (2) C = E

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

BrentGMATPrepNow

10 Jun 2018, 06:17

13

8

3,311

by: bumpbot

22 Jun 2023, 00:36

ER

A company had 1000 employees at the beginning of the year 2011. If p p

705-805 (Hard) | Percent and Interest Problems, Word Problems

705-805 (Hard) | Percent and Interest Problems, Word Problems hide tags

mangamma

18 Jun 2019, 09:24

12

5

4,722

by: bumpbot

20 Jun 2023, 03:09

ER

In the grid above, the variables a through p are each equal to 2, 3, 5

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

29 Apr 2015, 04:02

32

5

4,381

by: bumpbot

18 Jun 2023, 07:02

ER

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

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

10 Jun 2022, 02:30

8

2

2,237

by: bumpbot

17 Jun 2023, 19:32

ER

A solid in three-dimensional coordinate space has four vertices, at p

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

cat2010

31 Dec 2022, 00:19

6

2

1,943

by: mmdfl

17 Jun 2023, 08:05

ER

Is |a| > |b|? (1) 1/(a - b) > 1/(b - a) (2) a + b < 0

705-805 (Hard) | Absolute Values, Inequalities

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

Bunuel

09 Mar 2016, 13:32

6

4,020

by: HoudaSR

16 Jun 2023, 15:31

ER

In the diagram below, what is the length of RS?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

17 Jul 2017, 23:25

13

9

4,699

by: bumpbot

16 Jun 2023, 14:11

ER

If ab = 4, what is the value of abc? (1) bc = 2 (2) ca = 8

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

24 May 2023, 09:30

3

4

1,820

by: ankitgoswami

13 Jun 2023, 13:47

ER

If b is a positive integer less than 10 and x = 1 + b/100, what is the

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

07 Apr 2021, 16:21

6

4

3,802

by: Bonojit

12 Jun 2023, 23:31

ER

Does regular polygon X have more than 6 sides?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

21 Jul 2017, 05:01

21

10

6,779

by: bumpbot

12 Jun 2023, 21:52

ER

If f(x) = x^2 - x + 1, is f(p) > f(q)? (1) p < q (2) p^2 > q^2

705-805 (Hard) | Functions and Custom Characters, Inequalities

705-805 (Hard) | Functions and Custom Characters, Inequalities hide tags

Bunuel

09 Jun 2023, 04:15

2

1

1,181

by: stne

10 Jun 2023, 09:24

ER

Is a > b? 1) a > 1.5b 2) a > 0.5b

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Russ19

25 Aug 2021, 06:03

5

1,744

by: rxb266

09 Jun 2023, 03:13

ER

Is a < b? (1) a^3 = ab (2) |b| > |a|

705-805 (Hard) | Absolute Values +2 tags

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

Bunuel

14 Jun 2018, 21:07

19

7

2,974

by: bumpbot

06 Jun 2023, 05:04

ER

If x and y are prime numbers, what is the value of |x-y|?

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

banksy

07 Sep 2013, 06:02

49

11

11,476

by: bumpbot

04 Jun 2023, 20:40

ER

If x, y and z are positive integers, is it true that x^2 is divisible

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

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

Bunuel

29 May 2023, 01:30

8

4

1,432

by: mysterymanrog

04 Jun 2023, 07:59

ER

Does the line x + y = 6 intersect or touch the circle C with radius 5

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bunuel

01 Feb 2021, 01:15

11

9

6,172

by: bumpbot

04 Jun 2023, 01:46

ER

If the total price of n equally priced stock shares is p, what is p?

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

rxs0005

25 Nov 2010, 09:30

2

4

5,383

by: bumpbot

03 Jun 2023, 00:58

ER

Is x a positive integer? (1) The reciprocal of x is greater than x

705-805 (Hard) | Absolute Values +2 tags

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

Bunuel

25 Dec 2016, 02:41

20

10

4,788

by: bumpbot

02 Jun 2023, 21:23

ER

If (a^(1/2)*b^(1/3))^6 = 2000, what is the value of ab?

705-805 (Hard) | Exponents

705-805 (Hard) | Exponents hide tags

Bunuel

03 Aug 2020, 02:27

28

12

8,125

by: bumpbot

02 Jun 2023, 05:34

ER

How much time does Mr. Richards take to reach his office from home? (1

705-805 (Hard) | Distance and Speed Problems

705-805 (Hard) | Distance and Speed Problems hide tags

Bunuel

06 Sep 2019, 10:52

15

5

4,176

by: bumpbot

31 May 2023, 13:13

ER

When a positive integer p is divided by 3, what is the remainder? 1) W

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

MathRevolution

20 Sep 2017, 00:48

5

4

6,841

by: bumpbot

31 May 2023, 13:10

ER

Is y > z? (1) -y > 2z (2) z > -2y

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

09 Apr 2018, 04:48

8

6

2,968

by: bumpbot

31 May 2023, 04:42

ER

If m and n are positive integers, what is the greatest common factor

705-805 (Hard) | Multiples and Factors

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

Bunuel

01 Sep 2019, 22:53

12

8

4,357

by: bumpbot

30 May 2023, 12:57

ER

Two lines, k and m, intersect in the coordinate plane at point (a,b).

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

GMATmission

14 Nov 2011, 08:32

47

9

12,624

by: bumpbot

30 May 2023, 05:58

ER

If x^3y^4 = 5,000, is y = 5? (1) y is a positive integer.

705-805 (Hard) | Algebra +2 tags

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

Economist

08 Sep 2023, 08:02

97

11

29,311

by: bumpbot

30 May 2023, 04:11

ER

In the given figure, if A is the center of the circle, CD is a

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

ChandlerBong

29 May 2023, 23:37

3

4

1,262

by: KarishmaB

30 May 2023, 02:54

What is the value of a + b? (1) The difference between 3.ab4 and 4.

705-805 (Hard) | Fractions and Ratios

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

ratedR123

01 Feb 2021, 11:25

3

1,914

by: bumpbot

29 May 2023, 23:15

ER

Is x an integer?

705-805 (Hard) | Algebra, Number Properties

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

chetan2u

14 Jun 2018, 04:49

15

7

2,579

by: bumpbot

29 May 2023, 05:41

ER

In the figure given, what is the value of y? (1) x = z (2) a||b

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

19 Dec 2019, 02:19

11

3

2,571

by: Bunuel

28 May 2023, 11:41

ER

Three different numbers have a product that is greater than

705-805 (Hard) | Inequalities +2 tags

705-805 (Hard) | Inequalities, Multiples and Factors, Word Problems hide tags

fskilnik

20 Feb 2019, 07:11

5

6

2,370

by: IanStewart

28 May 2023, 06:44

ER

Mastering Important Concepts in Triangles - Exercise Question #1

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

EgmatQuantExpert

07 Aug 2018, 06:00

82

9

12,204

by: nivivacious2

25 May 2023, 00:57

ER

If 0 < x < 1 and m=(1/2^n)

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

anmolmakkarz17

06 Nov 2019, 04:05

15

5

2,059

by: wickedvikram

25 May 2023, 00:38

ER

What is the third side of the ∆ABC with sides 3-5-x? 1) ∆ABC encloses

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

GMATinsight

29 Sep 2020, 05:01

13

8

2,291

by: bumpbot

24 May 2023, 21:49

Is 9 the HCF of p and q?

705-805 (Hard) | Multiples and Factors

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

TBT

12 Mar 2023, 09:58

3

1,785

by: gmatophobia

23 May 2023, 11:12

ER

If x is the sum of n consecutive positive integers, and n>2, is n

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

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

Bunuel

25 Jan 2023, 02:30

9

7

3,555

by: fdfd97

22 May 2023, 22:34