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

79,117

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

188,756

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

488,337

by: bb

29 Aug 2025, 13:27

ER

What is the value of x + 3y + 7?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

vivaslluis

24 Jul 2016, 10:31

13

5

4,439

by: SaquibHGMATWhiz

09 Jun 2023, 07:38

ER

If x/300 = y/100, what is the a value of x? (1) x + y = 400 (2) y = 10

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

09 Jun 2023, 06:15

1

955

by: houston1980

09 Jun 2023, 14:32

ER

In the diagram above, A is the center of the circle, angle ABD = 90°

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

09 Apr 2015, 07:20

31

7

9,284

by: bumpbot

09 Jun 2023, 21:04

ER

If n is the product of the least and the greatest of 6 consecutive int

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

20 Oct 2019, 01:47

8

4

4,656

by: bumpbot

10 Jun 2023, 04:45

ER

Is a^2 < b^4? (1) a < 1 (2) b = 3a

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

09 Jun 2023, 01:30

1

1,048

by: stne

10 Jun 2023, 08:36

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

1,173

by: stne

10 Jun 2023, 09:24

ER

a^2 b^2 = b^2 c^2. Is a = |b|?

805+ (Hard) | Absolute Values

805+ (Hard) | Absolute Values hide tags

nroy347

14 Sep 2013, 12:46

21

3

7,078

by: bumpbot

10 Jun 2023, 10:41

ER

If x 0, what is the value of x? (1) |x + 2| = |x| (2) |x^x| = 1

555-605 (Medium) | Absolute Values, Exponents

555-605 (Medium) | Absolute Values, Exponents hide tags

Bunuel

29 Nov 2018, 01:42

26

9

5,682

by: bumpbot

10 Jun 2023, 19:54

ER

Is ab < 1/ab? (1) ab > 0 (2) b < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

09 Jun 2023, 08:15

1

4

1,466

by: Gauravji21

10 Jun 2023, 20:59

ER

The length of rectangle B is x percent less than the length of rectang

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

21 May 2019, 02:19

13

5

4,819

by: bumpbot

10 Jun 2023, 21:13

ER

What is the area of circle O ? (1) The ratio of the area of the squar

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

23 May 2020, 07:54

20

6

11,445

by: bumpbot

11 Jun 2023, 02:02

ER

Is rw = 0?

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

BrainLab

19 Sep 2015, 14:51

43

12

28,033

by: bumpbot

11 Jun 2023, 06:22

If x is an integer, what is the value of x?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

d999

20 Mar 2020, 01:21

1

3

6,908

by: bumpbot

11 Jun 2023, 06:48

ER

What is the area of right triangle with sides a, b and hypotenuse c?

605-655 (Medium) | Algebra, Geometry

605-655 (Medium) | Algebra, Geometry hide tags

Bunuel

09 Jun 2023, 01:30

4

3

1,642

by: sanchitb23

11 Jun 2023, 09:26

ER

Is the integer 2b divisible by 6 ?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

1, 2

robu

08 Dec 2015, 12:02

70

29

11,132

by: bumpbot

11 Jun 2023, 10:37

If F/10 = P/20, what is the value of P?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

houston1980

09 Jun 2023, 14:45

1

3

1,333

by: houston1980

11 Jun 2023, 11:24

ER

If ab 0, is |a^b| = a^b? (1) |a| = a (2) |b| = b

555-605 (Medium) | Absolute Values, Exponents

555-605 (Medium) | Absolute Values, Exponents hide tags

Bunuel

05 Jun 2023, 06:45

2

1

1,472

by: HoudaSR

11 Jun 2023, 14:14

ER

What is the value of x? (1) |x + 3| = 3|x - 3| (2) x > 3

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

divyajoshi12

13 Sep 2018, 09:53

9

7

8,137

by: bumpbot

11 Jun 2023, 20:55

ER

Is x < 0? (1) |x| = -x (2) |x| > x

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

Bunuel

26 May 2023, 09:30

2

3

1,815

by: Bunuel

11 Jun 2023, 23:45

ER

If x^2 + 5z + 2xy + 6 = 2xy and x ≠ –2, what is the value of x ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

23 May 2020, 08:49

10

4

5,521

by: bumpbot

12 Jun 2023, 03:09

ER

Is -3*x^3 <= -3? (1) -3x < 3 (2) x < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

NoHalfMeasures

20 Dec 2015, 20:47

24

6

8,101

by: bumpbot

12 Jun 2023, 04:04

ER

If x y, what is the value of (x + y)/(x - y) ? (1) x^2 - 4xy = -4

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

12 Jun 2023, 04:15

2

1

939

by: SirSanguine

12 Jun 2023, 07:57

ER

If ac/(db) < 0, is d – b < 0 ?

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

Bunuel

29 Apr 2016, 04:01

16

9

4,393

by: Bunuel

12 Jun 2023, 08:09

ER

Is |2x - 7| > y ?

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

amanvermagmat

05 Jul 2018, 08:30

3

2,048

by: HoudaSR

12 Jun 2023, 08:54

ER

If x 0, is x^2 > x^4? (1) x^2 < 1 (2) x^2 < 2x

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

12 Jun 2023, 08:15

2

1

835

by: sanchitb23

12 Jun 2023, 12:07

ER

Is x + y < 0? (1) 5x + 11y < 0 (2) 4x + 10y < 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

BrentGMATPrepNow

19 Oct 2021, 07:03

12

2

2,269

by: bumpbot

12 Jun 2023, 13:00

ER

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

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

12 Jun 2023, 01:30

2

3

1,240

by: arnimavarshney10

12 Jun 2023, 13:18

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

6,763

by: bumpbot

12 Jun 2023, 21:52

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

3,796

by: Bonojit

12 Jun 2023, 23:31

ER

Is pr > 0 ? (1) pq > 0 (2) q/r < 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

12 Jun 2023, 01:30

4

1,792

by: hinasingh

13 Jun 2023, 01:17

ER

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

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

idontknowwhy94

07 Oct 2016, 10:34

8

10

3,699

by: bumpbot

13 Jun 2023, 03:48

ER

If p, q and r are even numbers, and 2<p<q<r, What is the val

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

TheRob

20 Oct 2009, 11:59

9

6

7,520

by: bumpbot

13 Jun 2023, 07:49

ER

In the figure above, what is the length of PQ times the length of RS?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

20 Nov 2015, 00:53

31

8

10,199

by: arya251294

13 Jun 2023, 10:39

ER

What is the value of (21*x^2*y)(5*y^2*x)?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

shasadou

23 Jan 2016, 07:37

18

4

7,430

by: mysterymanrog

13 Jun 2023, 12:28

ER

If x is a positive integer, what is x? (1) x^2 + 7x – 18 = 0 (2) x^2

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

dabaobao

05 Apr 2019, 08:20

4

3

3,763

by: bumpbot

13 Jun 2023, 13:31

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

1,810

by: ankitgoswami

13 Jun 2023, 13:47

ER

If s denoted the number of terms in set S in which no term is zero. Is

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

13 Jun 2023, 01:30

2

3

1,215

by: zhanbo

14 Jun 2023, 00:51

ER

Is kn < 30? (1) 3 < k < 6 and 5 < n < 8 (2) k + n = 11

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

13 Jun 2023, 01:30

3

4

1,227

by: zhanbo

14 Jun 2023, 01:11

ER

Is xy < 15? (1) x < -3 (2) y < -5

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

16 May 2023, 09:30

1

1,609

by: hinasingh

14 Jun 2023, 04:30

ER

Set P consists of 56 integers. Is the product of all the integers in

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

14 Jun 2023, 01:30

7

3

1,394

by: sanchitb23

14 Jun 2023, 13:56

ER

If a and b are positive integers and X = 2^a * 3^b, what is the value

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

14 Jun 2023, 01:30

5

1,362

by: sanchitb23

14 Jun 2023, 14:03

ER

If n is a positive integer, what is the remainder when n is divided by

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

Bunuel

19 May 2019, 23:19

12

8

8,062

by: bumpbot

14 Jun 2023, 19:40

ER

A piece of carpet in the shape of a trapezoid has a smaller base measu

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

20 Mar 2022, 02:51

4

2,078

by: Bunuel

15 Jun 2023, 00:37

ER

Is quadrilateral ABCD a rhombus?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

honchos

20 Dec 2014, 08:26

34

7

9,394

by: bumpbot

15 Jun 2023, 01:48

ER

There are 10 numbers, 70, 70, 80, 80, 80,…100. If each of the smallest

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

MathRevolution

12 Jan 2016, 18:50

1

3

3,203

by: infowarf

15 Jun 2023, 02:03

ER

Is pq = 1 ? (1) p = 0 or pq = 1 (2) q = 0 or pq = 1

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

15 Jun 2023, 01:30

3

2

1,445

by: zhanbo

15 Jun 2023, 02:04

ER

If x = 6m^2 + 4n^2, what is the greatest even number that must be a fa

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

TheNightKing

13 Jul 2019, 18:14

6

5

1,957

by: Deep32470

15 Jun 2023, 05:20

ER

Is a positive integer x an even number? (1) The smallest prime factor

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

15 Jun 2023, 06:00

1

923

by: mysterymanrog

15 Jun 2023, 06:02

The scores obtained by Ben and Molly in three tests is shown in the ta

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

gmat1393

13 Apr 2019, 06:22

6

4

4,666

by: Deep32470

15 Jun 2023, 06:52

ER

What is the average score of the five students across the five

555-605 (Medium) | Overlapping Sets, Word Problems

555-605 (Medium) | Overlapping Sets, Word Problems hide tags

Dhruv0911

16 Jun 2023, 09:37

1

2,853

by: gmatophobia

16 Jun 2023, 12:56