GMAT Data Sufficiency (DS) Forum - Free Practice Questions

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Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

179

15

79,468

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

858

24

188,937

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

488,616

by: bb

29 Aug 2025, 13:27

ER

If y = ax + b, where a and b are constants, what is the value of y whe

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

17 Oct 2020, 00:35

6

2

8,656

by: bumpbot

15 Jun 2024, 09:29

ER

Is A positive? (1) x^2 - 2x + A is positive for all x (2) Ax^2 + 1

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

1, 2

noboru

12 Apr 2018, 01:57

272

35

32,933

by: bumpbot

15 Jun 2024, 03:55

ER

Trains A and B left stations R and S simultaneously on two s

705-805 (Hard) | Distance and Speed Problems

705-805 (Hard) | Distance and Speed Problems hide tags

fozzzy

08 Oct 2013, 08:24

45

9

13,303

by: bumpbot

14 Jun 2024, 10:18

ER

On a given day, 50 people took a test that is designed to measure a ca

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

10 Aug 2025, 03:01

3

2

6,204

by: bumpbot

14 Jun 2024, 08:19

ER

A certain jar has a capacity of 1284 jelly beans. How many minutes

Sub 505 (Easy) | Work and Rate Problems

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

Bunuel

14 Jun 2024, 01:30

3

1,485

by: ajay0520

14 Jun 2024, 06:21

ER

How many cylindrical cans with a radius of 2 inches and a height of 6

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

19 Jan 2022, 09:59

5

4

2,079

by: Ami0Trafalgar

14 Jun 2024, 05:38

ER

If today is Carol's birthday, how old is Carol?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

11 Oct 2022, 01:30

3

2

2,335

by: bumpbot

14 Jun 2024, 03:07

ER

If oil and water are mixed in the ratio 1 : 1 in a beaker,

805+ (Hard) | Fractions and Ratios

805+ (Hard) | Fractions and Ratios hide tags

gvishesh21

25 Oct 2022, 03:45

7

9

2,170

by: bumpbot

13 Jun 2024, 23:37

ER

If a#b, what is the value of a+b?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

ashiima

08 May 2015, 09:23

2

3,473

by: bumpbot

13 Jun 2024, 20:39

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If w + x + y = 42, what is the value of wxy?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

CONSULTINGDREAMER

29 Aug 2015, 01:52

7

11

3,948

by: bumpbot

13 Jun 2024, 20:08

ER

If x and y are integers, is xy odd ? (1) x^y is odd (2) x + y is even

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Bunuel

08 Sep 2021, 06:30

11

8

4,945

by: laurars

13 Jun 2024, 17:46

ER

Is the value of 27^a/6^b a prime number?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

11 Sep 2017, 00:24

4

3

1,908

by: bumpbot

13 Jun 2024, 10:44

ER

A lottery game requires the entrant to select any 7-digit number. The

805+ (Hard) | Fractions and Ratios, Percent and Interest Problems

805+ (Hard) | Fractions and Ratios, Percent and Interest Problems hide tags

AbdurRakib

06 Jun 2016, 11:30

22

7

6,292

by: bumpbot

13 Jun 2024, 10:24

ER

If positive integer A = m^3n^2, where m and n are distinct prime

705-805 (Hard) | Multiples and Factors

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

Bunuel

07 Dec 2022, 09:30

4

1,454

by: bumpbot

13 Jun 2024, 10:22

ER

The three digit positive integer N = a2b is both a multiple

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

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

gmattokyo

25 Feb 2014, 07:25

18

10

5,828

by: bumpbot

13 Jun 2024, 10:07

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

13 Jun 2024, 01:30

5

4

1,523

by: PranavVyas

13 Jun 2024, 09:18

ER

What was the ledger balance in the saving bank account on January 31?

605-655 (Medium) | Percent and Interest Problems

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

Bunuel

11 Oct 2018, 04:13

6

3,308

by: bumpbot

13 Jun 2024, 08:00

ER

How many newspapers were sold at a certain newsstand today?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

09 Jan 2014, 06:49

3

5

15,004

by: bumpbot

13 Jun 2024, 01:32

ER

If positive integers x and y are NOT multiples of 11, do they leave th

605-655 (Medium) | Multiples and Factors, Remainders

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

Bunuel

22 Dec 2020, 01:15

18

10

4,064

by: Fdambro294

12 Jun 2024, 21:27

ER

What is the value of p?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

TheUltimateWinner

16 Nov 2016, 14:47

7

2,938

by: bumpbot

12 Jun 2024, 18:36

ER

In the equation y2 + ay - 24 = 0, a is a constant and y is a

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

fozzzy

01 Jun 2013, 03:28

4

2

3,449

by: bumpbot

12 Jun 2024, 18:32

ER

Company Z only sells chairs and tables. what percent of its

555-605 (Medium) | Percent and Interest Problems

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

satishreddy

04 Jan 2013, 06:36

42

9

14,763

by: bumpbot

12 Jun 2024, 06:20

ER

If w ≠ x, w ≠ z, and x ≠ y, is (x-y)^3(w - z)^3/(w-z)^2(x-y)(w-x)^2 ?

555-605 (Medium) | Algebra, Inequalities

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

Bunuel

13 Dec 2015, 05:52

9

5

4,416

by: bumpbot

12 Jun 2024, 04:29

ER

Martin has worked for the last 30 years. If his average (arithmetic

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

12 Jun 2024, 01:30

7

2

1,900

by: Shwarma

12 Jun 2024, 03:32

ER

If list Q contains more than two numbers, are all the numbers in Q equ

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

14 Jul 2020, 01:43

12

8

3,339

by: bumpbot

12 Jun 2024, 03:09

ER

Paul jogs at a constant rate for 80 minutes along the same route every

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

12 Jun 2024, 01:30

4

2

1,911

by: Purnank

12 Jun 2024, 02:59

ER

How many of the boys in a group of 100 children have brown hair? (1) O

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

Bunuel

30 Jul 2015, 10:38

19

7

14,745

by: bumpbot

12 Jun 2024, 02:18

ER

If x ≠0, then what is the value of (|x|)/x ?

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

EgmatQuantExpert

07 Aug 2018, 01:30

49

16

15,548

by: bumpbot

11 Jun 2024, 10:47

ER

What is the value of y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

JJ2014

15 Dec 2012, 11:33

23

5

7,348

by: bumpbot

11 Jun 2024, 03:47

ER

Is the distance between Borga and Kosver less than 140 Miles?

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

11 Jun 2024, 01:30

2

940

by: Purnank

11 Jun 2024, 03:32

ER

What is the value of (4x-y)*1/(3y)?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

macjas

27 May 2012, 09:13

3

4,729

by: bumpbot

10 Jun 2024, 22:13

ER

What is the value of a?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

HustleHarder

31 Aug 2010, 14:46

4

7

4,367

by: bumpbot

10 Jun 2024, 22:06

ER

If 3a + 2b – 4 = a – b, what is the value of b ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Gnpth

23 Jul 2014, 10:48

4

6

9,307

by: bumpbot

10 Jun 2024, 22:01

ER

If f(x) = 100 - x^2, is f(a) > f(b)? (1) a^2 > b^2 (2) a/b > 1

605-655 (Medium) | Algebra +2 tags

605-655 (Medium) | Algebra, Functions and Custom Characters, Inequalities hide tags

kiran120680

06 Mar 2019, 21:34

29

12

8,162

by: bumpbot

10 Jun 2024, 05:24

ER

If a 0, is b < a < c ? (1) b < |a| < c (2) |b| < |a| < |c|

555-605 (Medium) | Absolute Values, Inequalities

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

Bunuel

03 Feb 2020, 05:01

5

3

3,901

by: bumpbot

10 Jun 2024, 05:24

ER

If |ab| ≠ ab, is a > b? (1) |a| > b^3 (2) a^2 < b

605-655 (Medium) | Absolute Values, Inequalities

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

DHAR

03 Aug 2017, 09:26

16

9

5,685

by: bumpbot

10 Jun 2024, 05:23

ER

Bill took 4 math tests, and each test received a score out of 100. Wha

555-605 (Medium) | Statistics and Sets Problems, Word Problems

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

Bunuel

23 Jul 2018, 03:17

6

8,197

by: bumpbot

10 Jun 2024, 01:04

ER

2x – y =

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

vikasp99

06 Mar 2017, 05:08

2

10

3,422

by: bumpbot

09 Jun 2024, 19:35

ER

What is the value of x^2 - 4y^2?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

derekgmat

08 Nov 2012, 03:13

5

4

5,068

by: bumpbot

09 Jun 2024, 19:32

ER

If yz not equal 0, what is the value of 12x/(yz)?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

NYCgirl15

24 Apr 2015, 02:31

3

4

4,058

by: bumpbot

09 Jun 2024, 18:49

Two functions g(y) and h(y, z) are defined for all 4-digit integers

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

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

ChandlerBong

02 Jun 2023, 08:34

4

3

1,750

by: bumpbot

08 Jun 2024, 23:54

ER

If a, b, and c are positive distinct integers, is (a/b)/c an

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

bibha

08 Nov 2012, 03:18

38

6

14,162

by: bumpbot

08 Jun 2024, 23:43

ER

If rt ≠ 0, is qt > sr? (1) q/r < s/t (2) rt < 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

anooo31

02 May 2018, 23:29

25

8

4,323

by: bumpbot

08 Jun 2024, 23:12

ER

Is x = -4 ?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

nevilpat1

15 Sep 2014, 11:25

6

8

5,184

by: bumpbot

08 Jun 2024, 21:26

ER

A function f is defined by f(x,y) = x^2 - y. Is the value of

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

darlingriyarai

04 Apr 2019, 23:03

40

6

8,307

by: bumpbot

08 Jun 2024, 12:04

ER

If a, b, and c are positive numbers, what is the value of a + b + c ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

31 Dec 2022, 03:40

5

2

1,778

by: bumpbot

08 Jun 2024, 06:59

ER

What is the median of five numbers? (1) The three smallest numbers

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

Bunuel

26 Jan 2024, 02:30

1

2

1,669

by: MBhavya

08 Jun 2024, 06:02

ER

Of the people who attended a conference, some are professors and some

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

07 Jun 2024, 01:30

3

4

1,461

by: prantorboni

07 Jun 2024, 13:16

ER

Of the students in a class, 90% had taken a course in writing, or math

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

07 Jun 2024, 01:30

3

2

1,248

by: prantorboni

07 Jun 2024, 11:34

ER

For any integer n greater than 1, factorial denotes the product of all

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

EgmatQuantExpert

10 Mar 2024, 10:33

100

6

16,773

by: bumpbot

07 Jun 2024, 06:46