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

176

15

78,816

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

856

24

188,580

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

488,015

by: bb

29 Aug 2025, 13:27

ER

Is x an integer? (1) x^3 = 8 (2) x = 4^(1/2)

Sub 505 (Easy) | Algebra, Number Properties

Sub 505 (Easy) | Algebra, Number Properties hide tags

Bunuel

26 Apr 2019, 02:16

26

17

19,417

by: bumpbot

03 Sep 2025, 04:14

ER

On a camping trip, x campers each paid y dollars for food. What percen

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

10 Jul 2020, 02:47

26

9

12,620

by: bumpbot

03 Sep 2025, 04:16

ER

Company M has two divisions - X and Y. Each division

655-705 (Hard) | Fractions and Ratios

655-705 (Hard) | Fractions and Ratios hide tags

broall

15 Jul 2017, 08:38

128

15

19,563

by: Vaishbab

03 Sep 2025, 05:20

ER

List A ={1, 2, 3, 4, 5, 6, 7, 8, 9, 10} The integers from list A

805+ (Hard) | Number Properties +2 tags

805+ (Hard) | Number Properties, Overlapping Sets, Statistics and Sets Problems hide tags

kiran120680

13 Jun 2019, 09:13

32

6

7,287

by: bumpbot

03 Sep 2025, 06:16

ER

For a trade show, two different cars are selected randomly

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

ykaiim

18 Jun 2010, 04:25

40

8

15,378

by: bumpbot

03 Sep 2025, 06:20

ER

If x is less than 75 percent of y, is x less than 75 ?

605-655 (Medium) | Arithmetic

605-655 (Medium) | Arithmetic hide tags

sananoor

28 Jul 2017, 04:36

25

8

6,524

by: bumpbot

03 Sep 2025, 07:04

ER

If x is a positive number, is x greater than 1? (1) 1>1/x (2) -1/x >-1

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

02 Oct 2022, 07:51

3

3,478

by: bumpbot

03 Sep 2025, 07:21

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Is x > 0? (1) 1/x < 1 (2) 1/x > x

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

Nups1324

27 Nov 2020, 23:58

37

16

6,803

by: gmatchile1

03 Sep 2025, 11:37

ER

What is the remainder when the three-digit integer n is divided by 9?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

TheUltimateWinner

25 Dec 2020, 08:28

15

8

2,974

by: bumpbot

03 Sep 2025, 11:48

ER

The positive integers r, s, and t are such that r is

705-805 (Hard) | Multiples and Factors, Number Properties

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

mehdiov

28 Jul 2010, 02:01

88

16

13,997

by: bumpbot

03 Sep 2025, 11:50

ER

A jeweler sold a watch at a profit. Was his percent profit on the sal

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

31 Jul 2020, 00:55

21

7

3,996

by: bumpbot

03 Sep 2025, 11:59

ER

What is the median of the set {a, b, c, d}? 1) The average (arithmetic

705-805 (Hard) | Statistics and Sets Problems

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

Russ19

15 Sep 2021, 04:05

35

6

4,281

by: Pranavsawant

03 Sep 2025, 12:06

ER

Andres bought exactly two sorts of donuts, old-fashioned donuts and je

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

27 Mar 2015, 06:05

21

17

5,607

by: bumpbot

03 Sep 2025, 18:33

ER

A jar contains 100 glass beads, of which 56 are pink and 44 are blue.

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

02 Sep 2025, 22:00

5

4

655

by: Missinga

03 Sep 2025, 19:45

If p is a positive integer, is p prime?

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

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

rishabhmishra

19 Mar 2018, 22:32

16

7

4,651

by: bumpbot

03 Sep 2025, 21:28

ER

Does s = t ? (1) s^(1/2) = t (2) s is both a factor and multiple of t

605-655 (Medium) | Multiples and Factors

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

Bunuel

01 May 2019, 03:22

3

2,204

by: bumpbot

04 Sep 2025, 01:30

ER

What was Bill's average speed on his trip of 250 miles from New York

Sub 505 (Easy) | Distance and Speed Problems

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

Bunuel

28 Mar 2016, 02:23

11

8

13,422

by: bumpbot

04 Sep 2025, 04:40

ER

Is x > y ? (1) ax > ay (2) a^2*x > a^2*y

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Jivana

28 Jun 2021, 00:11

84

14

32,516

by: bumpbot

04 Sep 2025, 07:47

ER

Does x – y = 200? (1) x=10^2 (2) x=100 and y=-100

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

pinkcupcake

17 Mar 2015, 09:39

3

4

6,091

by: bumpbot

04 Sep 2025, 07:54

ER

In a piggy bank filled with only pennies, nickels, and dimes, what is

555-605 (Medium) | Fractions and Ratios

555-605 (Medium) | Fractions and Ratios hide tags

Bunuel

21 Oct 2025, 09:28

25

10

17,393

by: bumpbot

04 Sep 2025, 07:57

ER

Lori's Laminate has set an annual goal of cutting head count at its Te

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

18 Jun 2022, 07:30

6

5

1,610

by: Bunuel

04 Sep 2025, 08:31

ER

Is the average (arithmetic mean) height of Porthos, Athos, and Aramis

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

24 Mar 2026, 08:22

15

7

6,504

by: bumpbot

04 Sep 2025, 08:58

ER

A movie theater increased the ticket price for evening shows by 10%

605-655 (Medium) | Percent and Interest Problems, Word Problems

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

guddo

30 May 2024, 12:29

77

12

11,421

by: RRINSEAD2025

04 Sep 2025, 08:59

ER

Is the HCF of a and b an odd number? 1) HCF of (a+103) and (b+2) is an

705-805 (Hard) | Multiples and Factors, Number Properties

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

TheUltimateWinner

06 Jun 2019, 09:52

22

6

2,916

by: bumpbot

04 Sep 2025, 12:01

ER

The net proceeds increase as the number of tickets sold increases.

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

03 Sep 2025, 22:00

4

3

544

by: Souradeep17

04 Sep 2025, 13:24

ER

Each person in a club with 100 members voted for exactly one of 3 cand

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

03 Sep 2025, 22:00

5

2

736

by: Souradeep17

04 Sep 2025, 13:33

ER

Two chocolates need to be picked from a box with replacement.

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

Bunuel

09 Aug 2024, 01:30

12

3

2,740

by: bumpbot

04 Sep 2025, 13:36

ER

If S is a sequence of consecutive multiples of 3, how many multiples

705-805 (Hard) | Multiples and Factors

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

Bunuel

17 Feb 2021, 01:15

9

7

8,203

by: bumpbot

04 Sep 2025, 14:02

ER

If |x| = |y|, is x/y = -1 (1) x < 0 (2) y > 0

Sub 505 (Easy) | Absolute Values

Sub 505 (Easy) | Absolute Values hide tags

DaniGmat77

07 Aug 2020, 10:53

13

3

5,916

by: bumpbot

04 Sep 2025, 15:20

ER

Every night, Jon and his brothers randomly determine the sch

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

Ronak275

03 Jul 2014, 12:07

40

4

5,237

by: bumpbot

04 Sep 2025, 16:28

ER

If r and s are positive integers, is r/s an integer?

555-605 (Medium) | Multiples and Factors

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

1, 2

BANON

23 Feb 2012, 08:13

367

22

75,691

by: bumpbot

04 Sep 2025, 21:45

ER

What is the hundredths digit of the decimal z?

555-605 (Medium) | Fractions and Ratios

555-605 (Medium) | Fractions and Ratios hide tags

LM

05 Jun 2019, 04:23

464

14

86,112

by: bumpbot

04 Sep 2025, 21:55

ER

At how many points does the graph y = ax^2 + bx + c intersect X-axis?

705-805 (Hard) | Algebra +2 tags

705-805 (Hard) | Algebra, Coordinate Plane, Roots hide tags

GMATinsight

16 Jun 2021, 09:02

20

4

4,945

by: bumpbot

05 Sep 2025, 00:17

ER

Is x^4 + y^4 > z^4? (1) x^2 + y^2 > z^2 (2) x + y > z

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

ksharma12

04 Dec 2018, 03:49

253

18

43,315

by: wArrior902

05 Sep 2025, 09:34

ER

What is the value of integer x ?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

MBAUncle

20 Apr 2010, 07:04

93

14

13,439

by: bumpbot

05 Sep 2025, 08:48

ER

If the probability that there is exactly 1 defective pen in a box is 1

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

13 Nov 2019, 01:52

18

2

5,344

by: bumpbot

05 Sep 2025, 09:00

ER

What is the average (arithmetic mean) of 3x and 6y? (1) x + 2y = 7

505-555 (Easy) | Statistics and Sets Problems

505-555 (Easy) | Statistics and Sets Problems hide tags

Carcass

02 Nov 2018, 03:54

10

5

7,469

by: bumpbot

05 Sep 2025, 09:01

ER

The value of Bries heirloom pendant decreased by 50 percent from 2013

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

04 Sep 2025, 22:00

4

3

476

by: Souradeep17

05 Sep 2025, 11:06

ER

If p, s, and t are positive integer, is |ps - pt| > p(s - t) ?

505-555 (Easy) | Absolute Values

505-555 (Easy) | Absolute Values hide tags

AJ1012

18 Dec 2015, 13:11

372

16

42,251

by: bumpbot

05 Sep 2025, 16:09

ER

If y 0, is |x| = 1 ? (1) x = y/|y| (2) |x| = -x

505-555 (Easy) | Absolute Values

505-555 (Easy) | Absolute Values hide tags

Bunuel

03 Aug 2018, 05:26

178

11

29,138

by: bumpbot

05 Sep 2025, 16:15

If a rope is cut into three pieces of unequal length, what is the leng

505-555 (Easy) | Algebra, Word Problems

505-555 (Easy) | Algebra, Word Problems hide tags

mciatto

31 Aug 2003, 16:21

43

11

28,243

by: bumpbot

06 Sep 2025, 01:42

ER

How long does it take for Ben to travel from his home to office on Fri

655-705 (Hard) | Distance and Speed Problems

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

hr1212

11 Feb 2025, 07:01

16

4

1,991

by: stne

06 Sep 2025, 10:43

ER

Jake invested x dollars for a simple annual interest rate of y percent

655-705 (Hard) | Percent and Interest Problems

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

Bunuel

13 May 2021, 22:00

11

3

5,193

by: bumpbot

06 Sep 2025, 14:03

ER

Tina and Ethan collect only red and black marbles. Together, they have

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

13 Jul 2020, 02:14

8

7

2,578

by: bumpbot

06 Sep 2025, 18:52

ER

On Christmas, a class teacher gave a gift pack to each student present

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

Bunuel

17 Nov 2021, 08:00

7

9

4,835

by: bumpbot

06 Sep 2025, 19:37

ER

At a certain fruit stand, oranges cost $0.35 each and grapefruits cost

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

najanapat

22 Feb 2024, 15:10

63

6

12,123

by: bumpbot

06 Sep 2025, 19:51

ER

Each of the letters in the table above represents one of the

605-655 (Medium) | Arithmetic, Graphs and Illustrations

605-655 (Medium) | Arithmetic, Graphs and Illustrations hide tags

Walkabout

07 Dec 2012, 10:08

333

8

58,142

by: bumpbot

07 Sep 2025, 02:17

ER

During an experiment, some water was removed from each of

555-605 (Medium) | Statistics and Sets Problems

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

vaivish1723

13 May 2010, 04:07

429

19

72,305

by: bumpbot

07 Sep 2025, 05:13

ER

If r and s are positive integers, can the fraction r/s be expressed as

555-605 (Medium) | Multiples and Factors, Number Properties

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

1, 2

asveaass

20 Oct 2012, 08:21

767

24

82,705

by: bumpbot

07 Sep 2025, 05:32

ER

Terry holds 12 cards, each of which is red, white, green, or blue. If

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

11 Sep 2012, 04:52

175

12

41,904

by: bumpbot

07 Sep 2025, 06:00