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

79,048

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

857

24

188,713

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

488,251

by: bb

29 Aug 2025, 13:27

ER

What is the value of x? (1) x^2 – 5 x + 6 = 0 (2) x > 0

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

ajgoupil

06 Feb 2020, 11:29

6

8,187

by: bumpbot

16 May 2024, 00:57

ER

What was the total distance that Bill drove from Mount Pleasant to

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

15 May 2024, 01:30

2

1,063

by: Anugmat740

15 May 2024, 22:57

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If x, y and z are positive, is x = y/z^2 ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

23 Feb 2014, 07:50

7

4

14,984

by: bumpbot

15 May 2024, 19:14

ER

How much funding did the Education & Health Services get through state

555-605 (Medium) | Graphs and Illustrations

555-605 (Medium) | Graphs and Illustrations hide tags

Sajjad1994

01 Oct 2019, 09:22

8

2

3,054

by: ADisHere

15 May 2024, 13:41

In the graph above ,if divisions K and L togather

505-555 (Easy) | Graphs and Illustrations

505-555 (Easy) | Graphs and Illustrations hide tags

guerrero25

31 Oct 2013, 02:44

20

4

10,008

by: ADisHere

15 May 2024, 13:27

ER

The possible arguments of the functions f(x,y) and g(x,y) are x=0 or 1

655-705 (Hard) | Graphs and Illustrations

655-705 (Hard) | Graphs and Illustrations hide tags

Asifpirlo

06 Aug 2013, 15:29

29

8

6,759

by: bumpbot

15 May 2024, 13:24

ER

In the graph shown above, which sector represents the $9.6

705-805 (Hard) | Graphs and Illustrations

705-805 (Hard) | Graphs and Illustrations hide tags

guerrero25

30 Oct 2013, 00:18

94

16

17,546

by: bumpbot

15 May 2024, 13:23

ER

If k and ℓ are lines in the xy-plane, is the slope of k less than the

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

02 Aug 2018, 23:58

264

16

31,966

by: bumpbot

15 May 2024, 11:08

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An urn contains only two kinds of marbles: red and blue. If a marble

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

14 May 2024, 01:30

4

3

1,400

by: Bunuel

14 May 2024, 23:54

ER

p is the value of the positive integer such that (3^p + 2) is NOT a

655-705 (Hard) | Number Properties, Remainders

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

Bunuel

30 Jul 2017, 22:36

12

4

3,074

by: bumpbot

14 May 2024, 17:23

ER

Set S and T have 100 numbers, respectively. Is standard deviation of S

655-705 (Hard) | Statistics and Sets Problems

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

PriyankaPalit7

18 Mar 2019, 11:15

5

2

2,976

by: bumpbot

13 May 2024, 22:12

ER

In the figure above, what is the product of the lengths of A

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

fluke

30 Jan 2011, 06:18

21

10

10,837

by: bumpbot

13 May 2024, 19:26

ER

Jason has more shirts than his brother. How many shirts does Jason hav

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

19 Sep 2017, 01:21

6

3

2,241

by: bumpbot

13 May 2024, 16:56

ER

If X is a real number, is X > 7? (1) X^2 > 49 (2) [X] = 7, where

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

amanvermagmat

10 May 2018, 11:05

8

6

2,820

by: bumpbot

13 May 2024, 15:57

ER

What is the total value of Company H's stock?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Jasonammex

24 Aug 2011, 00:48

10

9

18,768

by: bumpbot

13 May 2024, 13:18

ER

In a hotel with single rooms and double rooms, what is the probability

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

15 Oct 2019, 02:25

7

4

3,622

by: bumpbot

13 May 2024, 11:59

ER

During a 7-year period the profits of Midas, Inc. changed by

555-605 (Medium) | Percent and Interest Problems

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

ankithakhu

28 Mar 2010, 01:57

19

12

7,100

by: bumpbot

13 May 2024, 10:25

ER

If 5 percent of the personnel stationed at army base M are officers

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

13 May 2024, 01:30

2

1,330

by: unraveled

13 May 2024, 08:36

ER

Sam leaves Town X at 9 am and drives due north at 50 mph towards Town

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

04 May 2017, 05:10

25

8

6,754

by: bumpbot

13 May 2024, 02:54

ER

Is ab<1? (1) a^2b<a (2) ab^2<b

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

GMATNinja

18 Apr 2022, 00:26

16

7

6,850

by: bumpbot

13 May 2024, 01:27

ER

Alan and Peter are cycling at different constant rates on a

555-605 (Medium) | Distance and Speed Problems

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

summer101

11 May 2015, 03:34

33

10

10,214

by: bumpbot

13 May 2024, 01:01

ER

What is the remainder when a three-digit integer ABC (where A, B, and

655-705 (Hard) | Multiples and Factors, Remainders

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

Bunuel

29 Dec 2020, 01:15

16

5

3,927

by: Guntabulla

13 May 2024, 00:22

In triangle HGM, what is the length of side HM?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

adkikani

21 Nov 2018, 08:12

7

3

7,082

by: bumpbot

13 May 2024, 00:16

ER

Carlotta can drive from her home to her office by one of two

Sub 505 (Easy) | Distance and Speed Problems

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

seabhi

24 Feb 2014, 06:56

23

4

18,874

by: bumpbot

12 May 2024, 23:21

ER

In a sequence k, each term after the second term is the sum

505-555 (Easy) | Sequences

505-555 (Easy) | Sequences hide tags

NoHalfMeasures

11 Aug 2014, 03:29

32

10

15,186

by: bumpbot

12 May 2024, 11:54

ER

Set A: {x, x, x, y, y, y, 3x+y, x-y}

705-805 (Hard) | Statistics and Sets Problems

705-805 (Hard) | Statistics and Sets Problems hide tags

BrentGMATPrepNow

01 Nov 2016, 07:56

9

4

6,652

by: bumpbot

12 May 2024, 05:31

ER

How old will Fred be in 3 years?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

BrentGMATPrepNow

26 Jun 2018, 07:34

6

3

3,398

by: bumpbot

12 May 2024, 03:33

ER

If the greatest common factor of positive integers A and B is 20, what

605-655 (Medium) | Multiples and Factors

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

Bunuel

28 Apr 2016, 01:07

14

6

7,296

by: bumpbot

12 May 2024, 03:07

ER

What is the rate of interest per annum at which sum of money is invest

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

10 May 2024, 01:30

4

2

1,312

by: poojaarora1818

12 May 2024, 01:29

If a is a decimal, what is the units digit of 10a?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

ChandlerBong

03 May 2023, 07:54

7

3

1,689

by: bumpbot

11 May 2024, 15:04

ER

If x and y are integer, is y < 0?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Supermaverick

06 Jul 2017, 11:30

1

2

1,951

by: bumpbot

11 May 2024, 14:37

ER

If a*b 0, is |a|/|b| = a/b? (1) |a*b| = a*b (2) |a|/|b| = |a/b|

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

devinawilliam83

11 May 2024, 13:34

12

3

7,115

by: bumpbot

11 May 2024, 13:30

ER

If c and d are positive, is d an integer ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

pathakshashi

23 Jul 2012, 01:40

10

3

5,923

by: bumpbot

11 May 2024, 10:11

ER

Is k^2 +k -2 > 0 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

anartey

12 Feb 2013, 15:57

26

13

12,361

by: bumpbot

11 May 2024, 06:00

ER

The positive integer n is greater than 10. What is the remainder when

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

a33jcfve

27 Oct 2015, 19:10

30

9

7,704

by: bumpbot

11 May 2024, 04:52

ER

At least one pencil is distributed to each of the 19 students. Did at

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

BillyZ

23 Mar 2017, 00:20

10

5

3,308

by: bumpbot

11 May 2024, 04:45

ER

If x, y, and z are positive integers, where x > y > z, is x*y*z an odd

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

28 Dec 2020, 01:15

11

7

2,228

by: bumpbot

11 May 2024, 04:40

ER

What is the units digit of x?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

27 Apr 2016, 00:15

10

5

3,350

by: bumpbot

10 May 2024, 23:39

ER

Given x = y + z. Is x > y ? (1) y > 0 (2) z > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

GMATBusters

15 Jun 2018, 10:21

35

6

14,031

by: bumpbot

10 May 2024, 17:56

ER

If x, y, z are integers, is xyz a multiple of 3?

605-655 (Medium) | Multiples and Factors

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

MathRevolution

15 May 2016, 21:24

21

13

6,865

by: bumpbot

10 May 2024, 16:43

ER

In the x-y plane, y = f(x) = ax^2+bx+c passes through (1,0) an

805+ (Hard) | Functions and Custom Characters

805+ (Hard) | Functions and Custom Characters hide tags

MathRevolution

06 Jul 2018, 01:43

22

4

3,000

by: bumpbot

10 May 2024, 09:16

ER

What is the value of positive integer x?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

19 Jan 2015, 06:09

25

8

7,408

by: bumpbot

10 May 2024, 08:59

ER

In the former Soviet Union, rubles came in denominations of

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Vijayeta

27 Jul 2014, 07:50

45

6

7,672

by: bumpbot

10 May 2024, 07:57

ER

Set A and Set B each contain three whole numbers ranging from 1 to 10.

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

27 Nov 2014, 07:51

16

7

4,863

by: bumpbot

10 May 2024, 03:39

ER

If x and y are integers, and (-x)^x = ...

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

BrentGMATPrepNow

21 May 2018, 14:58

20

5

4,405

by: bumpbot

09 May 2024, 21:16

If r and s are positive integers and rs = 20, what is the value of r ?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Carcass

21 Sep 2022, 04:23

2

1,462

by: bumpbot

09 May 2024, 18:24

Is the highest common factor of (a,b) less than 10? 1) HCF (a,64)=4 2)

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

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

TheUltimateWinner

30 Jun 2019, 08:36

5

2

1,498

by: bumpbot

09 May 2024, 18:23

ER

A survey was made of 100 students who study German, French and Japanes

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

14 Jun 2022, 23:15

2

1,457

by: bumpbot

09 May 2024, 18:07

ER

Is the integer z divisible by 15?

555-605 (Medium) | Multiples and Factors

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

Bunuel

16 Dec 2020, 01:15

14

11

3,322

by: bumpbot

09 May 2024, 17:23

ER

Is the average of x consecutive integers divisible by 3? 1) The media

705-805 (Hard) | Number Properties, Statistics and Sets Problems

705-805 (Hard) | Number Properties, Statistics and Sets Problems hide tags

GMATinsight

13 Mar 2021, 02:50

13

2

1,868

by: jager

09 May 2024, 12:14