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

178

15

78,885

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

188,619

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

488,091

by: bb

29 Aug 2025, 13:27

ER

If k is a positive integer, what is the value of k?

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

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

Bunuel

26 Feb 2018, 03:15

28

9

5,698

by: bumpbot

17 Jun 2025, 11:46

ER

Does the curve (x-a)^2 + (y-b)^2=16 intersect the y-axis ?

805+ (Hard) | Coordinate Plane, Geometry

805+ (Hard) | Coordinate Plane, Geometry hide tags

christoph

26 Nov 2018, 12:09

239

16

25,146

by: bumpbot

17 Jun 2025, 12:37

ER

Is the number x positive?

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

rrsnathan

18 Sep 2013, 06:15

143

17

24,922

by: bumpbot

17 Jun 2025, 13:14

ER

Is line y=kx+b tangent to circle x^2+y^2=1?

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

smyarga

07 Apr 2020, 06:27

14

4

2,431

by: bumpbot

17 Jun 2025, 14:30

ER

If x and y are positive, is x < y?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

1, 2

Lettherebelight

18 Jun 2021, 15:54

405

26

75,401

by: bumpbot

17 Jun 2025, 15:08

ER

The equation of the curve shown in the figure is given by af(x) = ax2

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

Bunuel

19 Jul 2019, 00:52

8

5

2,087

by: bumpbot

17 Jun 2025, 15:18

ER

In which quadrant of the coordinate plane does the point

805+ (Hard) | Absolute Values +2 tags

805+ (Hard) | Absolute Values, Coordinate Plane, Inequalities hide tags

1, 2

Bunuel

27 Jun 2013, 22:17

161

26

37,261

by: bumpbot

17 Jun 2025, 15:35

ER

In the xy - plane, at what point does the graph of

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Kaushik786

11 Mar 2021, 23:21

6

2

2,337

by: bumpbot

17 Jun 2025, 16:43

ER

For all integers n, the function f is defined by f(n) = a^n, where a

505-555 (Easy) | Exponents, Functions and Custom Characters

505-555 (Easy) | Exponents, Functions and Custom Characters hide tags

sperumba

15 Sep 2020, 03:08

66

9

22,667

by: bumpbot

17 Jun 2025, 21:47

ER

A one-million dollar inheritance was divided among five

705-805 (Hard) | Fractions and Ratios, Word Problems

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

shaneforu

21 Jun 2010, 13:06

52

15

33,993

by: bumpbot

17 Jun 2025, 21:57

ER

What is the ratio of the cost price of a Hershey's Chocolate to its se

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

sritamasia

27 Nov 2021, 16:12

6

4

2,108

by: bumpbot

17 Jun 2025, 22:08

ER

If p is a positive integer, is p^2 divisible by 96?

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

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

Bunuel

05 Jun 2015, 06:20

52

14

10,798

by: bumpbot

17 Jun 2025, 22:17

ER

A car drives along a straight road from Smithville to Laredo, going

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

17 Jun 2025, 00:30

3

2

546

by: Dereno

17 Jun 2025, 22:46

ER

Aaron has how many more guitars than Bonnie?

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

01 Jan 2021, 09:30

9

2

1,935

by: bumpbot

17 Jun 2025, 22:49

ER

What was the ratio of the number of parcels to envelopes picked up by

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

07 Jul 2021, 04:30

2

3

1,996

by: bumpbot

17 Jun 2025, 22:50

ER

Last year Roger, Shelly, and Terry each contributed money to a certain

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

26 Sep 2019, 04:23

3

2

4,590

by: bumpbot

17 Jun 2025, 23:29

ER

The average (arithmetic mean) cost of three computer models is $900.

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

GinGMAT

05 Mar 2016, 12:08

49

4

9,070

by: bumpbot

17 Jun 2025, 23:37

In 1997 there were 300 female employees at Company C. If the

505-555 (Easy) | Percent and Interest Problems

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

Jcpenny

20 Nov 2023, 08:29

47

10

23,660

by: bumpbot

17 Jun 2025, 23:42

ER

How many liters of apple juice were added to the cranberry juice in a

Sub 505 (Easy) | Mixture Problems

Sub 505 (Easy) | Mixture Problems hide tags

Aim800score

09 Dec 2017, 07:18

6

3

14,474

by: bumpbot

17 Jun 2025, 23:44

ER

For each order, a certain company charges a delivery fee d that depend

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Marcab

20 Nov 2023, 09:47

80

16

21,328

by: bumpbot

17 Jun 2025, 23:52

ER

What was the net profit of a certain company during their fourth year

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

17 Jun 2025, 00:30

3

581

by: amansoni5

17 Jun 2025, 23:56

ER

If n = p + r, where n, p, and r are positive integers and n

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

abhi758

08 Apr 2010, 03:56

9

6

6,366

by: bumpbot

18 Jun 2025, 00:28

ER

If m and n are positive integers, is n even?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

gmatt1476

21 Sep 2019, 19:18

150

16

23,761

by: bumpbot

18 Jun 2025, 00:34

ER

A country's per capita national debt is its national debt divided by

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

1, 2

gmatt1476

21 Sep 2019, 15:12

212

20

24,282

by: Pablopikachu

18 Jun 2025, 01:44

ER

Alan and Sue have each been saving one dollar a day and will continue

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

gmatt1476

21 Sep 2019, 16:30

66

9

14,564

by: bumpbot

18 Jun 2025, 02:11

ER

The total cost of an office dinner was shared equally by k of the n em

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

31 Dec 2013, 07:20

41

12

22,462

by: bumpbot

18 Jun 2025, 02:28

ER

The absolute difference between a two digit number and the number for

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Bunuel

21 Jul 2021, 07:30

8

3

4,113

by: bumpbot

18 Jun 2025, 02:35

ER

Of the four numbers represented on the number line above, is

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

1, 2

devinawilliam83

14 Jul 2016, 23:24

400

21

61,994

by: bumpbot

18 Jun 2025, 06:22

ER

If a and b are positive integers, then is b a multiple of 6?

705-805 (Hard) | Exponents, Multiples and Factors

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

Bunuel

18 Aug 2021, 20:55

7

6

4,558

by: bumpbot

18 Jun 2025, 06:35

ER

What is the value of (a! + b!)(c! + d!)?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

AnkitK

29 Aug 2019, 07:19

52

13

12,269

by: bumpbot

18 Jun 2025, 10:10

ER

Peter went to the store to buy paint. Small cans cost $30 and larger

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

mikemcgarry

19 Dec 2013, 11:03

14

8

10,133

by: bumpbot

18 Jun 2025, 11:26

ER

How many guests were present at the party?

505-555 (Easy) | Combinations

505-555 (Easy) | Combinations hide tags

Bunuel

06 Apr 2020, 02:15

19

11

9,216

by: bumpbot

18 Jun 2025, 11:28

ER

What are the individual prices of three cameras? (1) The three camera

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

18 Jun 2025, 00:30

5

4

587

by: Dereno

18 Jun 2025, 11:31

ER

How many different ways can two basketball teams be formed from 7 frie

Sub 505 (Easy) | Combinations

Sub 505 (Easy) | Combinations hide tags

Bunuel

27 Dec 2016, 09:07

12

4

5,989

by: bumpbot

18 Jun 2025, 11:48

ER

Is n a multiple of 6? 1) 3n has twice as many factors as n has 2) 2n

705-805 (Hard) | Multiples and Factors

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

GMATinsight

25 Jun 2017, 00:31

16

5

3,097

by: sk1999

18 Jun 2025, 12:07

ER

A room contains exactly N people, out of which exactly half are men

505-555 (Easy) | Combinations

505-555 (Easy) | Combinations hide tags

amanvermagmat

20 Nov 2018, 11:08

9

2

3,469

by: bumpbot

18 Jun 2025, 12:08

ER

If a is a positive integer and 81 divided by a results in a

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

kashishh

16 Jun 2012, 14:48

45

11

12,272

by: bumpbot

18 Jun 2025, 12:52

ER

A seller sells his rice at cost price but uses a faulty weighing machi

705-805 (Hard) | Arithmetic

705-805 (Hard) | Arithmetic hide tags

PriyankaPalit7

23 Apr 2019, 01:25

67

7

8,618

by: bumpbot

18 Jun 2025, 13:30

ER

Of the 80 children in a group, 64 like chocolates. How many children

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

Bunuel

20 May 2020, 08:45

7

2

1,716

by: bumpbot

18 Jun 2025, 17:39

ER

If a, b, and c are integers, is abc divisible by 4?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

alex1233

26 Jan 2013, 12:04

23

10

9,964

by: bumpbot

18 Jun 2025, 18:02

ER

If x and y are positive integers such that the product of x

655-705 (Hard) | Exponents, Number Properties

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

saikiranx

25 Nov 2012, 05:51

33

8

9,107

by: bumpbot

18 Jun 2025, 18:25

ER

What is Marys age? (1) In two years, Mary will be twice as old as Be

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

18 Jun 2025, 00:30

3

4

571

by: Missinga

18 Jun 2025, 19:45

ER

A certain salesman's yearly income is determined by a base salary plus

805+ (Hard) | Percent and Interest Problems, Word Problems

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

1, 2

devinawilliam83

25 Jan 2012, 00:22

379

30

50,110

by: bumpbot

18 Jun 2025, 20:59

ER

What was the population of City X in 2002 ? (1) X's population in 200

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

26 Apr 2019, 07:23

34

8

14,531

by: bumpbot

19 Jun 2025, 01:57

ER

If it took Carlos 1/2 hour to cycle from his house to the library yest

655-705 (Hard) | Distance and Speed Problems

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

1, 2

TomB

11 Jun 2019, 05:58

894

31

154,985

by: bumpbot

19 Jun 2025, 08:10

ER

Next week, each of the summer interns will be given either 2 or 3

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

19 Jun 2025, 00:30

3

2

454

by: Dereno

19 Jun 2025, 08:17

ER

At a restaurant, a group of friends ordered four main dishes

805+ (Hard) | Min-Max Problems

805+ (Hard) | Min-Max Problems hide tags

thebigr002

11 Sep 2012, 06:10

145

17

32,140

by: bumpbot

19 Jun 2025, 08:42

ER

What is the percentage increase in student enrollment from Year 2 to

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

19 Jun 2025, 00:30

3

506

by: Dereno

19 Jun 2025, 09:54

ER

Bunuel's Algebra DS Diagnostic Test

505-555 (Easy) | Absolute Values +11 tags

505-555 (Easy), 555-605 (Medium), 655-705 (Hard) | Absolute Values, Algebra, Combinations, Exponents, Fractions and Ratios, Functions and Custom Characters, Inequalities, Min-Max Problems, Percent and Interest Problems, Roots hide tags

1, 2, 3

Bunuel

17 Aug 2023, 01:45

166

53

25,431

by: Gg153

19 Jun 2025, 10:01

ER

Is positive integer n 1 a multiple of 3?

705-805 (Hard) | Multiples and Factors

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

Orange08

25 Sep 2010, 11:06

68

11

16,811

by: bumpbot

19 Jun 2025, 10:53