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

78,703

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

188,512

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

487,922

by: bb

29 Aug 2025, 13:27

ER

If 8x > 3x + 4x, what is the value of the integer x?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

06 Apr 2022, 06:30

8

3

3,299

by: bumpbot

24 Dec 2023, 14:12

ER

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

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

Bunuel

07 Dec 2022, 10:30

6

2

1,389

by: bumpbot

25 Dec 2023, 07:00

Is the area of the triangle ABC more than 12 sq. units?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

mau5

19 May 2013, 07:51

12

6

3,888

by: bumpbot

25 Dec 2023, 11:20

ER

Does the average (arithmetic mean) of a, b, and c equal c? (1) c - a

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

25 Dec 2023, 02:30

5

3

1,664

by: Catman

26 Dec 2023, 02:43

ER

A bag holds 3 gold rings, 7 silver rings, and 9 bronze rings. If John

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

26 Dec 2023, 02:30

1

1,289

by: CEO2021

26 Dec 2023, 04:56

ER

If K is a positive integer, and 5^k is the factor of the product of

655-705 (Hard) | Exponents +3 tags

655-705 (Hard) | Exponents, Multiples and Factors, Number Properties, Remainders hide tags

Bunuel

21 Dec 2023, 23:55

3

2

2,019

by: vishwathols

27 Dec 2023, 00:52

ER

During July, a mail-order retailer received 3300 orders for amounts

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

26 Dec 2023, 02:30

2

1,383

by: Kunal1801

27 Dec 2023, 10:43

ER

What is the value of x^4 y^4 ? (1) x^2 y^2 = 32 (2) x y = 4

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

27 Dec 2023, 02:30

4

2

1,216

by: Aryaa03

28 Dec 2023, 04:31

ER

What is the greatest common factor of the positive integers j and k?

555-605 (Medium) | Multiples and Factors

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

Bunuel

25 Jun 2016, 02:53

22

5

10,085

by: bumpbot

30 Dec 2023, 21:04

What is the value of x?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

TheUltimateWinner

26 Mar 2021, 12:55

1

2

1,484

by: bumpbot

31 Dec 2023, 02:12

ER

Is the perimeter of parallelogram ABCD greater than 10?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

12 Mar 2020, 01:38

7

3

2,013

by: bumpbot

01 Jan 2024, 04:09

ER

In an election how many votes are cast?

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

11 Apr 2017, 05:55

6

4

10,487

by: bumpbot

01 Jan 2024, 09:06

ER

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

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

02 Jan 2024, 02:30

2

1,291

by: Ddefines

02 Jan 2024, 07:13

ER

What is the average speed for a 300 miles trip? (1) The average speed

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

Bunuel

04 Aug 2022, 01:30

2

2,017

by: bumpbot

02 Jan 2024, 14:15

If b is a non-zero integer and A = 5/(2.5 * 10^b), what is the value

705-805 (Hard) | Arithmetic, Number Properties

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

amanvermagmat

31 May 2018, 23:11

4

2

1,734

by: bumpbot

03 Jan 2024, 03:01

ER

The running times of students in a 100-meter race are represented by 6

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

03 Jan 2024, 02:30

1

1,257

by: Maheshkv

03 Jan 2024, 09:46

ER

If x and y are positive integers, and y = x^3, does x = y?

655-705 (Hard) | Multiples and Factors

655-705 (Hard) | Multiples and Factors hide tags

Bunuel

11 Oct 2016, 02:21

6

5

2,838

by: Yvo

03 Jan 2024, 13:00

ER

A starting line up of a team consists of x men and y women. There are

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

26 Nov 2017, 09:44

16

2

3,985

by: donu

03 Jan 2024, 19:14

ER

Is xy < 1 ? (1) x > 1 and y < 1 (2) 2x – y > 1

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

10 Mar 2017, 07:00

12

4

3,139

by: bumpbot

04 Jan 2024, 04:09

ER

In a given class, what is the average (arithmetic mean) height per pup

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

17 Dec 2014, 07:41

5

5,935

by: bumpbot

04 Jan 2024, 12:50

ER

By what percent did Company As revenues increase from 1980 to 1985?

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

Bunuel

20 Apr 2022, 05:30

4

2

2,145

by: bumpbot

04 Jan 2024, 13:35

ER

If p is an integer, is p + 4 a prime number less than 50?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

05 Dec 2016, 02:29

7

5

2,625

by: bumpbot

04 Jan 2024, 14:10

ER

If a = 0.01b + 3.5*10^-2, what is the value of a?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

13 Feb 2019, 00:51

6

2

1,574

by: bumpbot

04 Jan 2024, 17:40

ER

If |n| indicates the greatest integer less than or equal to n, is |n|

655-705 (Hard) | Functions and Custom Characters, Inequalities

655-705 (Hard) | Functions and Custom Characters, Inequalities hide tags

Bunuel

28 May 2022, 06:45

4

2

1,485

by: bumpbot

04 Jan 2024, 17:49

What is the value of 2x^2 + 4y? (1) x = 3 (2) x^2 + 2y = 17

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

AntonioGalindo

02 Jan 2024, 13:56

1

1,043

by: Ntaafuonua

05 Jan 2024, 02:13

ER

If a0, how many solutions does the equation a(x + b)^2 + c = 0 have?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

04 Jan 2024, 02:30

4

2

1,319

by: Aryaa03

05 Jan 2024, 03:13

ER

A total of 83 occupants live in a college apartment complex. If there

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

29 Apr 2018, 09:38

4

3

2,155

by: bumpbot

05 Jan 2024, 10:00

ER

The population of city n is 100,000 greater than the population of cit

705-805 (Hard) | Percent and Interest Problems

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

Bunuel

24 Jan 2021, 01:05

4

2

3,453

by: stne

05 Jan 2024, 13:57

ER

The total cost of a certain party was equally divided among n employee

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

05 Jan 2024, 02:30

1

1,148

by: VivekSri

07 Jan 2024, 03:35

ER

An item is discounted by 15% from its usual selling price. What is the

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

23 Jul 2022, 09:30

4

2

1,904

by: bumpbot

07 Jan 2024, 06:39

If the symbol ▼ represents a sequence of any two (unique or

705-805 (Hard) | Functions and Custom Characters

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

archieprima

22 Jan 2020, 09:24

9

4

5,574

by: bumpbot

07 Jan 2024, 19:03

ER

If x, y are positive integers, what is the remainder when 2^(8x + y)

605-655 (Medium) | Exponents, Remainders

605-655 (Medium) | Exponents, Remainders hide tags

Bunuel

08 Jan 2024, 02:30

5

1

1,187

by: Maheshkv

08 Jan 2024, 04:17

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

08 Jan 2024, 02:30

5

1

1,219

by: Maheshkv

08 Jan 2024, 04:29

ER

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

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

13 Aug 2018, 03:48

7

6

4,748

by: bumpbot

09 Jan 2024, 01:36

Three apples of distinct weights, are weighed two at a time, such that

705-805 (Hard) | Arithmetic, Word Problems

705-805 (Hard) | Arithmetic, Word Problems hide tags

amanvermagmat

09 May 2018, 11:31

7

2

2,418

by: bumpbot

09 Jan 2024, 10:44

ER

If x and y are positive numbers, x percent of what number is equal to

555-605 (Medium) | Percent and Interest Problems

555-605 (Medium) | Percent and Interest Problems hide tags

Bunuel

09 Jan 2024, 02:30

2

1

1,002

by: riuu

09 Jan 2024, 10:47

Given a triangle ABC as in the figure. The area of the triangle AFD is

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

ostrick5465

18 Dec 2023, 05:55

1

1,037

by: riuu

09 Jan 2024, 10:58

ER

Line l1 is given by the equation y = mx + 3, and line l2 is given by

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

24 Mar 2020, 08:07

6

2

2,745

by: bumpbot

09 Jan 2024, 18:02

ER

If w and k are distinct positive integers, do they have any common div

655-705 (Hard) | Multiples and Factors, Number Properties

655-705 (Hard) | Multiples and Factors, Number Properties hide tags

Bunuel

08 Jan 2017, 08:11

12

6

2,905

by: bumpbot

10 Jan 2024, 00:33

ER

What is the value of x in the data set above? (1) The range of the

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

10 Jan 2024, 02:30

3

1

1,308

by: GmatMaestro

10 Jan 2024, 04:10

ER

What was the percent increase of Company A's stock between June 1 and

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Bunuel

31 May 2016, 02:40

2

11,974

by: bumpbot

10 Jan 2024, 09:44

ER

Distance between Smith's house and office is D km. On Monday, Smith tr

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

Bunuel

06 Dec 2019, 05:35

7

4

3,813

by: bumpbot

10 Jan 2024, 12:31

ER

If z is a positive two-digit even number, what is the ones digit of z?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

MahmoudFawzy

16 Dec 2018, 13:25

3

2,113

by: bumpbot

11 Jan 2024, 08:05

ER

A machine that produces toys at a constant rate, how many hours are

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

Bunuel

11 Jan 2024, 02:30

1

1,128

by: VivekSri

11 Jan 2024, 21:45

ER

Is the positive integer x an odd number?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

12 Jan 2024, 02:30

2

1

1,073

by: VivekSri

12 Jan 2024, 13:18

ER

If x is a non positive integer, what is the value of x?

655-705 (Hard) | Absolute Values, Algebra

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

Montyyy95

23 Apr 2020, 03:43

9

2

5,923

by: jack_tay

13 Jan 2024, 22:18

ER

If represents one of the four basics operation of arithmetic

605-655 (Medium) | Arithmetic, Number Properties

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

chetan2u

24 Oct 2017, 08:26

12

8

3,193

by: bumpbot

14 Jan 2024, 07:56

For all values of x, x^2 - rx - s = (x - t)^2, where r, s and t are co

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

contactakanksha

03 Mar 2020, 06:46

5

2

1,853

by: Oppenheimer1945

15 Jan 2024, 08:24

ER

Does the busy Bevilacqua Hospital offer Emergency Room services?

Sub 505 (Easy) | Non-Math Related

Sub 505 (Easy) | Non-Math Related hide tags

Bunuel

15 Jan 2024, 10:15

5

1

2,099

by: VivekSri

15 Jan 2024, 10:40

ER

If x & y are integers and y = x^2 + x^3, is y < 0?

655-705 (Hard) | Exponents, Inequalities

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

Bunuel

21 Apr 2021, 04:30

7

5

1,833

by: bumpbot

15 Jan 2024, 13:17