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

176

15

78,802

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

856

24

188,572

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,001

by: bb

29 Aug 2025, 13:27

ER

Is the integer n divisible by 20?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

GMATBusters

01 Nov 2018, 08:27

2

3

5,702

by: bumpbot

28 Jan 2023, 07:22

ER

If y is an integer between 2 and 100 and if y is also the square

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

GMATBusters

26 Mar 2018, 08:01

2

4

2,411

by: bumpbot

28 Dec 2022, 02:14

ER

Is the two-digit positive integer P a prime number?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

GMATBusters

01 Feb 2020, 19:54

4

8

3,733

by: bumpbot

17 Dec 2022, 11:09

ER

It is given that p, q, and r are positive integers, where p is an odd

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

GMATBusters

13 Oct 2018, 10:04

10

8

2,303

by: bumpbot

13 Dec 2022, 08:12

ER

What is the volume of the above prism?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

GMATBusters

11 Nov 2020, 06:42

5

6

1,777

by: bumpbot

10 Dec 2022, 07:24

ER

What was the total amount of postage required to mail n letters?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

GMATBusters

01 Nov 2018, 09:42

2

4

3,813

by: greed1443

23 Nov 2022, 22:02

ER

Jack has full tank of gas in his car and wants to drive 550 miles. He

505-555 (Easy) | Work and Rate Problems

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

GMATBusters

14 Mar 2020, 19:39

2

12

4,757

by: bumpbot

18 Sep 2022, 15:34

ER

A Rhombus is said to be mystic quadrilateral if its diagonals are in

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

GMATBusters

10 May 2020, 10:52

6

12

2,550

by: bumpbot

12 Sep 2022, 12:29

ER

The figure shows the intersection of a Square ABCD and a Circle. What

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

GMATBusters

07 Dec 2019, 19:00

33

17

6,189

by: bumpbot

25 Aug 2022, 17:25

ER

Point A lies on a circle whose center is at point C. Does point B lie

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

GMATBusters

15 Dec 2018, 10:15

21

12

4,258

by: Rickooreo

08 Aug 2022, 13:00

ER

In the given Figure, what is the Area of the Equilateral triangle ABC?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

GMATBusters

29 Sep 2018, 10:24

15

8

3,894

by: bumpbot

02 Aug 2022, 15:56

ER

Is the value of x^2 + xy equal to 0?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

GMATBusters

31 Oct 2018, 22:00

2

3

4,011

by: bumpbot

14 Jun 2022, 09:11

ER

In the figure above, QX = 10 and PQ = 6, what is the length of QY?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

GMATBusters

01 Feb 2020, 19:29

14

6

7,154

by: bumpbot

17 May 2022, 04:24

ER

Is m +n^3 odd?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

GMATBusters

04 Jan 2020, 19:10

17

3,960

by: bumpbot

14 May 2022, 23:10

ER

Is the Quadrilateral ABCD a rectangle?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

GMATBusters

25 Apr 2020, 20:10

12

18

5,551

by: bumpbot

14 Apr 2022, 09:27

ER

Is m+n prime?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

GMATBusters

28 Mar 2020, 19:50

4

9

2,259

by: LILICHKA

22 Feb 2022, 02:27

ER

How many books did the author write?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

GMATBusters

31 Oct 2018, 09:52

1

3

4,682

by: Yogananda

19 Feb 2022, 09:16

ER

What is the area of the triangle above?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

GMATBusters

08 Nov 2018, 09:45

4

5

4,557

by: kungfury42

16 Feb 2022, 06:47

ER

What is the remainder when the positive integer x is divided by 2?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

GMATBusters

07 Nov 2018, 09:53

6

8

5,293

by: kungfury42

16 Feb 2022, 06:42

ER

Is the triangle ABC with sides a, b,

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

GMATBusters

14 Jul 2020, 09:30

17

19

5,694

by: Fdambro294

01 Dec 2021, 02:32

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

1,872

by: Karthik740

29 Nov 2021, 12:01

ER

What is the value of x?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

GMATBusters

01 Nov 2018, 09:26

2

2,391

by: BrentGMATPrepNow

23 Nov 2021, 07:36

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

5,401

by: Fdambro294

04 Nov 2021, 00:38

ER

The above figure shows a circle with center O.

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

GMATBusters

25 Apr 2020, 19:06

7

14

4,209

by: bumpbot

28 Oct 2021, 22:34

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

4,359

by: bumpbot

21 Oct 2021, 09:13

ER

In the figure above, if AC = BD, is AD parallel to BC?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

GMATBusters

19 Jun 2018, 08:46

7

2

2,348

by: bumpbot

11 Oct 2021, 00:57

ER

Is x > 0? (1) x^6 > x^8 (2) (x^(1/2) + 1)^(-1) < 1

555-605 (Medium) | Exponents, Inequalities

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

GMATBusters

26 Sep 2019, 21:18

4

3

1,843

by: bumpbot

21 Sep 2021, 00:22

ER

A tank is filled with gasoline to a depth of exactly 2 feet. The tank

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

GMATBusters

28 Mar 2020, 19:07

10

15

4,998

by: GMATBusters

07 Sep 2021, 05:33

ER

If x/6 is a positive integer, does x have more than two different posi

605-655 (Medium) | Multiples and Factors, Number Properties

605-655 (Medium) | Multiples and Factors, Number Properties hide tags

GMATBusters

20 Jun 2018, 06:06

4

3

3,390

by: bumpbot

10 Aug 2021, 03:51

ER

if at least one of p, q, r is an integer, is p+q+r even?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

GMATBusters

04 Jan 2020, 20:07

8

15

8,743

by: ShaggiShow09

13 Jun 2021, 10:26

ER

50% of the country's population work in Information Technology.

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

GMATBusters

04 Jan 2020, 19:17

4

17

3,631

by: bumpbot

13 Jun 2021, 09:38

ER

If x is an integer, then x is divisible by how many positive integers?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

GMATBusters

08 Dec 2018, 10:01

18

7

4,339

by: MBAB123

29 May 2021, 10:47

ER

A Watertank containing water started to leak.

505-555 (Easy) | Distance and Speed Problems

505-555 (Easy) | Distance and Speed Problems hide tags

GMATBusters

17 Oct 2019, 21:23

3

2

2,348

by: bumpbot

23 May 2021, 00:32

ER

Is 3^x > x/|x| ? (1) |x| = 3 (2) x < 0

605-655 (Medium) | Absolute Values, Inequalities

605-655 (Medium) | Absolute Values, Inequalities hide tags

GMATBusters

06 Sep 2018, 23:06

7

5

3,307

by: bumpbot

11 Apr 2021, 21:46

ER

What is the ratio of p to r ? (1) 2p/r = 30 (2) p/(3r) = 5

Sub 505 (Easy) | Algebra, Fractions and Ratios

Sub 505 (Easy) | Algebra, Fractions and Ratios hide tags

GMATBusters

01 Nov 2018, 22:34

2

4,480

by: BrentGMATPrepNow

28 Dec 2020, 10:27

ER

If P and Q are integers, is [m][fraction](10^{2P} + Q)/3[/fraction][/m

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

GMATBusters

20 Oct 2018, 10:04

6

7

1,808

by: bumpbot

13 Dec 2020, 10:58

ER

What percentage of Apple’s sales in 2019 were computer sales?

605-655 (Medium) | Percent and Interest Problems, Word Problems

605-655 (Medium) | Percent and Interest Problems, Word Problems hide tags

GMATBusters

15 Oct 2020, 22:00

2

1,441

by: VoltAmpere

15 Oct 2020, 22:44

ER

What is the area of the triangle PQR w

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

GMATBusters

08 Oct 2020, 04:53

2

1,519

by: TestPrepUnlimited

09 Oct 2020, 11:04

ER

is x negative?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

1, 2

GMATBusters

04 Jan 2020, 18:57

7

23

5,870

by: ScottTargetTestPrep

10 Sep 2020, 07:14

ER

Is the angle [b]a[/b] equal to 30?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

GMATBusters

25 Jul 2020, 19:17

1

9

2,010

by: dishra

26 Jul 2020, 16:20

ER

Is d > e?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

GMATBusters

25 Jul 2020, 19:08

3

9

2,449

by: dishra

26 Jul 2020, 15:22

ER

if a^2 * a^b = a^z ,

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

GMATBusters

11 Jul 2020, 19:16

19

16

2,505

by: Kinshook

14 Jul 2020, 10:17

ER

If k is an integer, is k^2 < 100?

605-655 (Medium) | Inequalities, Number Properties

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

GMATBusters

01 May 2020, 06:19

8

7

2,923

by: sampad

12 Jul 2020, 05:29

ER

is m/n greater than 1 ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

GMATBusters

04 Apr 2020, 01:39

7

10

2,561

by: Papist

25 Jun 2020, 12:11

ER

What is the HCF of (p, q), if p

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

GMATBusters

23 May 2020, 19:50

5

9

4,363

by: urshi

24 May 2020, 10:46

ER

If m = n^(p+2q)/((n^q)^2), what is the value of m?

555-605 (Medium) | Algebra, Exponents

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

GMATBusters

10 May 2020, 10:57

4

11

2,765

by: StevenA

10 May 2020, 05:24

ER

If x^a*x^b = x^c, is what is c/(a+b)?

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

GMATBusters

10 May 2020, 10:59

10

2,166

by: StevenA

10 May 2020, 05:15

ER

What is the 57th term of the GP (geometric progression) whose first te

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

GMATBusters

09 May 2020, 18:56

5

10

2,661

by: shameekv1989

10 May 2020, 04:35

ER

If k is a positive integer, is

555-605 (Medium) | Inequalities, Number Properties

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

GMATBusters

01 May 2020, 05:53

4

2

1,226

by: CrackverbalGMAT

07 May 2020, 04:31

ER

Anya has Rs 1500 more than Govind. How much money does Anya have?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

GMATBusters

30 Apr 2020, 23:18

2

1,350

by: CrackverbalGMAT

07 May 2020, 04:14