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

79,172

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

188,795

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,389

by: bb

29 Aug 2025, 13:27

ER

If A, B, and C are integers, what is the value of C - B ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

29 Sep 2023, 01:30

1

823

by: singh.00

29 Sep 2023, 01:52

ER

If x, y are positive integers, what is the unit digit of 2^(4x + 2) +

555-605 (Medium) | Exponents, Number Properties

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

Bunuel

28 Sep 2023, 08:15

2

1,185

by: JeffTargetTestPrep

28 Sep 2023, 17:44

ER

In the equation x^2 + 5x + k = 0, k is a constant and x is a variable.

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

28 Sep 2023, 01:30

1

906

by: Examor

28 Sep 2023, 08:39

ER

If xy > 0, is x^3y^4 > 0? (1) x > 0 (2) y > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

28 Sep 2023, 05:15

2

854

by: nasgmatbag

28 Sep 2023, 07:54

ER

Is triangle ABC an isosceles?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Ljchen121

14 Aug 2013, 02:39

62

13

20,963

by: bumpbot

28 Sep 2023, 04:54

ER

If PQ > 0 and |P|^Q = 1, then what is the value of P?

705-805 (Hard) | Exponents

705-805 (Hard) | Exponents hide tags

Bunuel

21 Mar 2023, 11:30

6

2

2,216

by: hazeljj

28 Sep 2023, 04:53

ER

What is the value of |x+4|+x? (1) x ≤ −4 (2) |x+4| = 0

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

Bunuel

19 May 2021, 09:00

3

4

2,181

by: AlexKoh

28 Sep 2023, 01:30

ER

Is 2 < z < 2? (1) z^2 < 4 (2) z^2 > 4

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

27 Sep 2023, 01:31

2

1

1,157

by: gmatophobia

27 Sep 2023, 22:53

ER

C is a circle in the xy-coordinate plane with center at (0, 0) and rad

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

Russ19

07 Aug 2021, 06:15

7

2

2,046

by: bumpbot

27 Sep 2023, 16:55

ER

What is the remainder when 2^k is divided by 10?

555-605 (Medium) | Exponents, Remainders

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

Bunuel

27 Sep 2023, 05:15

2

1

1,084

by: LucienH

27 Sep 2023, 14:48

ER

Is x > 0? (1) x^3 + x^2 + x < 0 (2) x^2 < 1

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

27 Sep 2023, 08:15

3

1,068

by: LucienH

27 Sep 2023, 14:41

ER

If x, y and z are distinct positive integers where x and y are prime n

805+ (Hard) | Multiples and Factors, Number Properties

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

Bunuel

28 May 2022, 08:45

9

2

2,216

by: bumpbot

27 Sep 2023, 13:29

ER

If x, y, z and n are positive integers and t = x^2y^2z^n, how many di

805+ (Hard) | Multiples and Factors, Number Properties

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

Bunuel

15 Jan 2021, 01:15

21

9

2,980

by: bumpbot

27 Sep 2023, 13:29

ER

If v = (w)^2(y)(z), how many positive factors does v have?

505-555 (Easy) | Multiples and Factors, Number Properties

505-555 (Easy) | Multiples and Factors, Number Properties hide tags

Bunuel

07 Mar 2016, 09:00

8

6

6,704

by: bumpbot

27 Sep 2023, 13:29

ER

If x, y and z are distinct prime numbers, how many positive factors do

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

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

vomhorizon

21 Nov 2012, 09:07

20

5

15,570

by: bumpbot

27 Sep 2023, 13:28

ER

If a, b, c, d, and e are integers and cde = 0, is d = 0 ? (1) abc = 3

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

12 Jun 2020, 06:40

49

13

23,285

by: bumpbot

27 Sep 2023, 08:03

ER

Is x/y an even integer? (1) x is even. (2) y is a factor of x.

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

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

Bunuel

27 Sep 2023, 01:31

3

1

844

by: ChandlerBong

27 Sep 2023, 03:52

ER

If |x| < 4, what is the value of x?

555-605 (Medium) | Absolute Values, Multiples and Factors

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

pikachu

24 Dec 2012, 13:42

20

4

6,601

by: bumpbot

27 Sep 2023, 02:01

ER

Is x > y^2? (1) x > y + 5 (2) x^2 - y^2 = 0

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

tonebeeze

12 Jul 2010, 17:53

73

4

20,546

by: bumpbot

27 Sep 2023, 01:30

ER

If x is an integer, is |x| > 1?

705-805 (Hard) | Absolute Values, Inequalities

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

ssgomz

06 Aug 2010, 15:53

32

2

10,471

by: bumpbot

27 Sep 2023, 01:17

ER

If x + 2y 0, is x/(x + 2y) < 1? (1) 10|x| = |y| (2) x > 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

26 Sep 2023, 08:15

4

2

987

by: chetan2u

27 Sep 2023, 01:10

ER

In the figure to the right is b > a ? (Note: Figure not drawn to scale

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

09 Mar 2022, 02:30

6

3

3,229

by: Bunuel

27 Sep 2023, 00:06

ER

What is the value of ∠PRB ?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

03 May 2020, 09:31

10

3

3,042

by: bumpbot

26 Sep 2023, 23:38

ER

Is wp + st > 0? (1) ws + pt > 0 (2) wt + ps > 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

24 Sep 2023, 05:15

3

1

904

by: gmatophobia

26 Sep 2023, 23:03

ER

Is yz > x? (1) y > x/z (2) z < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Harley1980

10 Apr 2015, 07:46

13

6

3,880

by: bumpbot

26 Sep 2023, 21:50

ER

Does the line y = ax + b pass through the point (2, 5)?

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

14 Sep 2015, 23:07

56

8

6,590

by: jainanant909

26 Sep 2023, 11:44

ER

In the figure above, AB is a tangent to the circle at P. Is PQ a radiu

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

04 Oct 2021, 01:30

7

9

3,698

by: bumpbot

26 Sep 2023, 11:22

ER

What is the units digit of positive integer n? (1) When dividing n by

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

26 Sep 2023, 01:30

3

1

1,548

by: AryaSwagat

26 Sep 2023, 09:43

ER

Is (r^2)x > 0? (1) r^5 = 1 (2) x > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

26 Sep 2023, 05:15

5

996

by: JeffTargetTestPrep

26 Sep 2023, 08:21

ER

In the x-y plane, does the equation -x = 5y - 7 contain the point (a,

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

Bunuel

29 Dec 2021, 06:00

6

2

1,436

by: bumpbot

26 Sep 2023, 07:21

ER

What is the value of x?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

1, 2

Bunuel

05 Mar 2015, 09:31

10

20

5,575

by: bumpbot

26 Sep 2023, 06:44

ER

What is the area of the region in which squares ABCD and EFGH overlap?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

04 Dec 2019, 02:42

20

6

6,889

by: bumpbot

26 Sep 2023, 04:47

ER

What is the value of (3/2x)/(2/3y + 3/2y) ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

14 Sep 2023, 01:30

2

973

by: envy5

26 Sep 2023, 03:41

ER

If x and y are integers, is x even? (1) x·y is even. (2) x=6y

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

26 Sep 2023, 01:30

2

1

973

by: nasgmatbag

26 Sep 2023, 03:03

ER

The sides AC and BC of ∆ABC are parallel, respectively, to

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Asifpirlo

11 Dec 2013, 02:40

7

3,803

by: bumpbot

26 Sep 2023, 02:22

ER

If x + y > 0, is xy < 0 ? (1) x^(2y) < 1 (2) x + 2y < 0

655-705 (Hard) | Exponents, Inequalities

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

Bunuel

24 Mar 2022, 01:30

12

5

4,373

by: chetan2u

25 Sep 2023, 23:54

ER

Does x = 7 ? (1) 6 < x < 8 (2) x < 9

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

25 Sep 2023, 01:30

3

1

939

by: IshanSaini

25 Sep 2023, 12:13

ER

What is the value of x ? (1) x^(4x) = 1 (2) x^(-x) = -1

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Bunuel

25 Sep 2023, 05:15

1

905

by: IshanSaini

25 Sep 2023, 11:51

ER

If 50 - 7 < x < 50 + 7, then what is the value of x?

555-605 (Medium) | Inequalities, Number Properties

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

Bunuel

25 Sep 2023, 08:15

2

993

by: IshanSaini

25 Sep 2023, 11:36

ER

If x and y are integers and x>y, is xy>0?

555-605 (Medium) | Inequalities, Number Properties

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

chetan2u

02 Apr 2016, 00:32

5

3

2,043

by: bumpbot

25 Sep 2023, 08:30

ER

If n and k are integers, is (1)^(4n+k) less than 0?

505-555 (Easy) | Exponents +2 tags

505-555 (Easy) | Exponents, Inequalities, Number Properties hide tags

Bunuel

18 Sep 2023, 05:45

5

2

1,553

by: nasgmatbag

25 Sep 2023, 02:50

ER

If a and b are integers and N = (a^4)(b^3) + 1. Is N odd?

555-605 (Medium) | Exponents, Number Properties

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

Bunuel

28 Aug 2023, 01:30

3

2

1,323

by: nasgmatbag

25 Sep 2023, 02:35

ER

One of the sides of a triangle tht inscribe in a circle is 6

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

stunn3r

25 Jun 2013, 02:08

14

8

8,954

by: bumpbot

24 Sep 2023, 21:54

ER

Is the triangle ABC, right angled at B?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Smita04

09 Feb 2012, 18:40

51

10

15,811

by: bumpbot

24 Sep 2023, 21:51

ER

What are the coordinates of point A?

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

sps1604

13 Jun 2013, 08:21

53

12

12,313

by: bumpbot

24 Sep 2023, 20:10

ER

If R = 8x/3y and y ≠ 0, what is the value of R? (1) x = 2/3 (2) x = 2

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

11 Oct 2018, 21:36

7

3

8,046

by: bumpbot

24 Sep 2023, 19:39

ER

E, F, G, and H are the vertices of a polygon. Is polygon EFGH a square

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

jscott319

28 Nov 2010, 13:18

59

16

23,456

by: bumpbot

24 Sep 2023, 19:09

ER

If x is an integer greater than 1 but less than 101, is 1/2*x an integ

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

22 Apr 2016, 04:45

3

7

2,980

by: bumpbot

24 Sep 2023, 15:25

ER

If m is an integer, is m odd? (1) 1 + m^2 is an odd integer. (2) 5m

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

15 Aug 2019, 01:03

2

6

3,877

by: bumpbot

24 Sep 2023, 15:14

ER

If b 0, |a/b| = a/b, is b > 0? (1) a > 0 (2) a + b > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

24 Sep 2023, 08:15

1

887

by: gmatophobia

24 Sep 2023, 12:44