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

79,736

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

188,981

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

488,681

by: bb

29 Aug 2025, 13:27

ER

What is the value of the positive two-digit integer N?

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

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

fskilnik

20 Feb 2019, 07:46

3

5

2,539

by: bumpbot

23 Jan 2026, 02:49

ER

The product of digits of a positive three-digit integer k is 120. Is k

705-805 (Hard) | Multiples and Factors

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

Bunuel

13 Oct 2021, 03:00

6

4

2,538

by: bumpbot

10 Jan 2024, 13:39

ER

If x and y are positive integers, is x/y > 1?

555-605 (Medium) | Inequalities, Number Properties

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

Bunuel

22 Apr 2016, 06:37

3

2,538

by: bumpbot

04 Apr 2024, 23:44

ER

A stack of colored cards is sorted such that x blue cards, y red cards

705-805 (Hard) | Fractions and Ratios

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

Bunuel

15 Aug 2019, 01:30

6

5

2,538

by: bumpbot

07 Jul 2025, 06:13

ER

If x, y, and z are three integers such that 0 x y z, is the range of x

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

10 Apr 2018, 06:54

1

3

2,538

by: arushi118

01 Mar 2026, 00:05

ER

How long would it take for ball moving in a straight line to travel 24

Sub 505 (Easy) | Distance and Speed Problems, Geometry

Sub 505 (Easy) | Distance and Speed Problems, Geometry hide tags

Bunuel

28 Mar 2017, 02:39

3

2

2,537

by: Alligator16

15 Dec 2020, 06:41

ER

Is integer r prime? (1) r + 1 is prime (2) r is greater than 10

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

10 Dec 2016, 06:36

2

7

2,537

by: bumpbot

04 Feb 2021, 11:26

ER

If a and b are two consecutive integers, then what is the value of a?

655-705 (Hard) | Algebra +2 tags

655-705 (Hard) | Algebra, Exponents, Number Properties hide tags

Bunuel

12 Jul 2019, 01:44

2

6

2,536

by: jmwon

14 Jul 2019, 08:00

ER

What is the Standard Deviation of a set of consecutive even integers ?

555-605 (Medium) | Statistics and Sets Problems

555-605 (Medium) | Statistics and Sets Problems hide tags

Bunuel

12 Jan 2022, 03:30

1

2,536

by: stne

26 Jan 2022, 07:17

ER

Is a prime? (1) x! = a (2) x > 2

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

01 May 2019, 00:42

2

5

2,536

by: bumpbot

18 May 2025, 06:16

ER

Was Rylon’s average speed greater than 55 miles per hour? (1) Rylon dr

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

Bunuel

17 Apr 2018, 05:30

2

3

2,535

by: bumpbot

27 Mar 2022, 03:15

ER

M is a positive integer, what is the greatest common factor of M and

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

Bunuel

29 Sep 2021, 01:00

10

3

2,535

by: bumpbot

08 Mar 2023, 05:44

ER

If a^5 ≥ −32 and a is an integer, what is the value of a?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

18 Mar 2020, 09:12

7

5

2,534

by: minustark

14 Apr 2020, 15:27

ER

In a class of 40 students, is the average (arithmetic mean) score of

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

11 Jun 2022, 08:30

1

2

2,534

by: SaquibHGMATWhiz

14 Jun 2022, 05:01

ER

Is the median of List A greater than the median of List B?

805+ (Hard) | Statistics and Sets Problems

805+ (Hard) | Statistics and Sets Problems hide tags

Bunuel

24 Mar 2021, 01:30

5

4

2,534

by: bumpbot

01 Sep 2023, 11:56

ER

If f denotes a decimal, is f < 0.5 ? (1) When f is squared, the result

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

15 Nov 2018, 05:05

5

3

2,534

by: bumpbot

04 Oct 2023, 12:25

ER

AB and CD are both diameters of a circle with centre O. So A, B, C, D

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

amanvermagmat

04 Jul 2018, 23:20

2

2,533

by: PKN

05 Jul 2018, 01:04

ER

If the Perimeter of Quadrilateral ABCD is P then find P? 1) The maxim

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

GMATinsight

18 Nov 2017, 05:33

5

2

2,532

by: amanvermagmat

27 Nov 2017, 23:34

ER

If y is positive, what is the value of x ?

555-605 (Medium) | Absolute Values, Algebra

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

Bunuel

17 Sep 2017, 05:24

3

5

2,532

by: bumpbot

14 Jun 2019, 03:43

ER

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

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

GMATBusters

11 Jul 2020, 19:16

19

16

2,532

by: Kinshook

14 Jul 2020, 10:17

ER

There are a rectangle and a triangle as above figure. Each of triangle

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

MathRevolution

21 May 2016, 17:39

3

2,532

by: bumpbot

15 Sep 2021, 20:53

ER

If x, y and z are non-zero numbers, what is the value of (x^3 + y^3 +

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

happypuppy

28 Jan 2022, 20:42

2

1

2,531

by: chetan2u

28 Jan 2022, 20:02

ER

How many books are there on a certain shelf? (1) If four books are re

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

03 Aug 2022, 03:30

1

2,531

by: Rabab36

03 Aug 2022, 03:54

S is a set of positive integers. Is the median of the set S an integer

655-705 (Hard) | Statistics and Sets Problems

655-705 (Hard) | Statistics and Sets Problems hide tags

srishin

26 Aug 2023, 13:42

4

2,531

by: srishin

30 Aug 2023, 01:03

ER

Is integer k a multiple of 14?

555-605 (Medium) | Multiples and Factors

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

Bunuel

20 Jan 2017, 07:25

6

8

2,530

by: prashants412

18 Mar 2018, 00:44

ER

Is x > y? (1) x^3 > 100y^7 (2) x > 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

16 Dec 2019, 01:26

3

2,530

by: bumpbot

27 Jun 2021, 21:25

ER

What is the value of |x-5|?

555-605 (Medium) | Absolute Values, Algebra

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

Kinshook

10 Jul 2019, 22:45

9

2

2,530

by: ScottTargetTestPrep

08 Nov 2022, 18:42

ER

What is the remainder when x^2y is divided by 10?

705-805 (Hard) | Exponents, Remainders

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

chetan2u

28 Jul 2018, 00:34

23

6

2,530

by: bumpbot

03 Feb 2023, 10:05

ER

A rectangle has sides x and y and diagonal z. What is the perimeter of

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

02 Jun 2018, 13:26

5

8

2,530

by: TheBipedalHorse

19 Apr 2023, 22:17

ER

Is x an integer ?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

pllgl

24 Nov 2016, 02:46

4

2,529

by: Bunuel

24 Nov 2016, 02:50

ER

What is the value of b? (1) 5b − a = 3b + 5a (2) 4(b − a) = 12 − 4a

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

19 Mar 2020, 08:30

2

2,529

by: BrentGMATPrepNow

19 Mar 2020, 09:00

ER

In the diagram above, O is the center of the circle, DC = a and DO = b

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

25 Mar 2022, 01:30

1

2,529

by: Nidzo

25 Mar 2022, 03:05

ER

Let [x] represent the average of the greatest integer less than or equ

705-805 (Hard) | Functions and Custom Characters

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

Bunuel

29 Jan 2021, 01:15

7

3

2,529

by: bumpbot

22 Apr 2026, 04:54

ER

At how many points do the two graphs named as "First Graph" and "Secon

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

GMATinsight

13 May 2017, 02:28

11

3

2,528

by: bumpbot

12 May 2022, 23:54

ER

Is a < b? (1) a^b < b^a (2) a/b > 1

705-805 (Hard) | Exponents, Inequalities

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

Bunuel

09 Mar 2016, 13:01

11

5

2,528

by: bumpbot

15 Jul 2023, 04:22

ER

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

705-805 (Hard) | Absolute Values, Inequalities

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

Bunuel

02 May 2021, 02:45

8

5

2,528

by: bumpbot

23 Oct 2023, 18:03

ER

Soda concentrate is being added into a soda-making machine in a manufa

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

Bunuel

02 Jun 2018, 13:40

6

3

2,528

by: bumpbot

06 Nov 2023, 23:18

ER

Is x an even integer?

705-805 (Hard) | Multiples and Factors

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

Bunuel

15 Jun 2022, 08:30

11

8

2,527

by: bumpbot

27 Nov 2023, 11:09

ER

What is the number of 360-degree rotations that Tashi’s unicycle wheel

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

12 Jan 2015, 11:15

1

3

2,526

by: Bunuel

19 Jan 2015, 03:43

A rhombus PQRS has A, B, C, D as mid points of its sides PQ, QR, RS an

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

amanvermagmat

15 Aug 2018, 11:21

7

2

2,526

by: bumpbot

09 Oct 2019, 13:00

ER

What is the area of quadrilateral ABCD?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

18 Sep 2018, 22:10

10

4

2,526

by: smmc29

27 Feb 2021, 09:41

ER

Is point (3, 4) on line K? 1) Line K crosses the Y-axis at (0.5) 2) Th

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Russ19

07 May 2020, 11:48

13

5

2,525

by: bumpbot

24 Mar 2022, 19:22

ER

What is the maximum number of cubic blocks of wood that will fit into

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Sajjad1994

14 Aug 2017, 04:36

3

2,525

by: StringArgs

19 Aug 2022, 21:00

If the sequence v, w, x, y, and z is in Arithmetic progression

705-805 (Hard) | Sequences

705-805 (Hard) | Sequences hide tags

ChandlerBong

24 Mar 2023, 23:52

8

2

2,525

by: bumpbot

04 Nov 2025, 06:20

ER

How many positive integer factors does k have?

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

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

HKD1710

14 Jan 2017, 07:05

1

2,524

by: Bunuel

14 Jan 2017, 09:53

ER

If xyz ≠ 0, is xyz > 0? (1) xz < 0 (2) x + y + z = 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

13 Apr 2018, 02:02

2

3

2,524

by: push12345

28 Apr 2018, 06:16

ER

What is the value of k - n ? (1) k^2 - n^2 = 0 (2) k = 11

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

18 Feb 2020, 03:43

4

3

2,524

by: shameekv1989

18 Feb 2020, 05:34

ER

If machine X ran continuously at a uniform rate to fill a production

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

Bunuel

07 Jul 2021, 04:00

4

3

2,524

by: aishu0091

29 Dec 2021, 22:25

ER

In Year 1895, 7.9 percent of the men

655-705 (Hard) | Percent and Interest Problems

655-705 (Hard) | Percent and Interest Problems hide tags

GMATBusters

20 Apr 2020, 18:37

9

3

2,523

by: Kunal1801

16 Jan 2024, 10:24

ER

What is the value of b – 2c ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

23 Jun 2017, 08:27

3

2,522

by: KanishkM

19 Feb 2019, 01:08