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

78,629

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

854

24

188,465

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

487,848

by: bb

29 Aug 2025, 13:27

ER

GMAT Club Olympics 2024 (Day 9): Train A and Train B each departed

655-705 (Hard) | Distance and Speed Problems

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

1, 2, 3, 4

Bunuel

18 Jul 2024, 07:00

54

73

6,773

by: bumpbot

14 Mar 2026, 03:55

ER

If a, b, and c are positive numbers such that a is b percent

605-655 (Medium) | Percent and Interest Problems

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

kingflo

20 Jul 2013, 07:08

54

7

25,619

by: bumpbot

09 Mar 2026, 03:10

ER

Marcia's bucket can hold a maximum of how many liters of wat

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Walkabout

26 Dec 2012, 06:03

54

11

24,156

by: totaltestprepNick

25 Feb 2026, 15:29

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GMAT Club Olympics 2025 (Day 4): African grey parrots cannot detect

705-805 (Hard) | Non-Math Related

705-805 (Hard) | Non-Math Related hide tags

1, 2...7, 8

Bunuel

03 Jul 2025, 08:00

54

142

5,537

by: dianyang

10 Feb 2026, 02:53

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If f(x) and g(x) are two functions, what is the value of g(2)?

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

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

Bunuel

10 Jul 2017, 04:37

54

8

8,086

by: bumpbot

28 Jan 2026, 02:06

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If x and y are positive integers, is x an even integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

udaymathapati

08 Mar 2011, 13:18

54

6

14,112

by: bumpbot

28 Dec 2025, 04:06

Out of total 36 students in a class, what percent of students passed

805+ (Hard) | Arithmetic, Min-Max Problems

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

amanvermagmat

20 May 2018, 11:24

54

6

5,903

by: bumpbot

13 Dec 2025, 06:58

ER

In the 30-day month of June, a motorcycle dealership sold a

705-805 (Hard) | Min-Max Problems, Word Problems

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

dheeraj24

03 Jul 2014, 00:30

54

8

7,635

by: bumpbot

09 Oct 2025, 12:18

ER

If the average (arithmetic mean) of 4 numbers is 50, how man

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

20 Feb 2014, 01:11

54

7

27,330

by: bumpbot

28 Sep 2025, 16:11

ER

If Jack’s and Kate’s annual salaries in 1985 were each 10 percent high

505-555 (Easy) | Percent and Interest Problems, Word Problems

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

RSOHAL

20 Dec 2015, 19:29

54

11

21,695

by: bumpbot

27 Sep 2025, 08:45

ER

Is zw positive? (1) z + w^3 = 20 (2) z is positive

Sub 505 (Easy) | Algebra, Inequalities

Sub 505 (Easy) | Algebra, Inequalities hide tags

Bunuel

06 Oct 2016, 05:12

54

11

21,367

by: bumpbot

25 Sep 2025, 20:42

ER

What is the probability of selecting a clean number from a s

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

1, 2

GMATT73

26 Oct 2005, 07:52

54

22

26,093

by: bumpbot

29 Aug 2025, 22:16

ER

There is a set of consecutive even integers. What is the

605-655 (Medium) | Statistics and Sets Problems

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

Jinglander

10 Aug 2010, 08:20

54

10

10,322

by: bumpbot

25 Jul 2025, 11:43

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If m, n, and p are three-digit integers and m + n = p

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

monsama

25 Aug 2014, 03:42

54

15

11,262

by: bumpbot

17 Jul 2025, 03:06

ER

What was the percentage change in the simple average profit per car

555-605 (Medium) | Percent and Interest Problems

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

amathews

14 Apr 2017, 17:52

54

7

9,860

by: Nipunh

11 Jul 2025, 21:17

ER

How many hours did it take Dale to drive from A-town to B-town?

555-605 (Medium) | Distance and Speed Problems

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

shrive555

20 Dec 2011, 07:47

54

8

16,396

by: bumpbot

24 Jun 2025, 22:06

ER

If b is the product of three consecutive positive integers c

555-605 (Medium) | Multiples and Factors

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

milind1979

18 Apr 2009, 20:43

54

15

21,320

by: bumpbot

09 Jun 2025, 20:13

ER

2/3 of all the people who attended a certain party arrived by 8:00 PM.

555-605 (Medium) | Fractions and Ratios

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

shasadou

10 Nov 2015, 12:00

54

9

15,561

by: bumpbot

10 Mar 2025, 18:00

ER

What is the value of integer z?

655-705 (Hard) | Multiples and Factors +2 tags

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

Bunuel

08 Apr 2015, 04:52

54

14

8,694

by: bumpbot

08 Mar 2025, 12:25

ER

12 Days of Christmas GMAT Competition - Day 8: A certain five-letter

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

1, 2, 3

Bunuel

25 Dec 2024, 09:00

54

58

3,169

by: prashantthawrani

26 Dec 2024, 08:52

ER

Is |x y| < |x| + |y|?

655-705 (Hard) | Absolute Values, Inequalities

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

venmic

08 Aug 2012, 22:08

54

15

9,691

by: bumpbot

13 Dec 2024, 04:13

If x and y are non zero numbers less than 1 is (y^4 - x^4)>(y^3 - x^5)

805+ (Hard) | Absolute Values, Inequalities

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

a70

14 Aug 2018, 04:16

54

11

8,170

by: bumpbot

26 Oct 2024, 01:26

ER

In the figure above, is quadrilateral PQRS a parallelogram?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

gluon

21 Jul 2015, 03:04

54

10

24,374

by: bumpbot

23 Oct 2024, 04:52

ER

In the figure above, the shaded region represents the front of an upri

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

gmatt1476

21 Sep 2019, 18:44

54

11

13,736

by: bumpbot

21 Oct 2024, 20:58

ER

If n is an integer, is n even?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

26 Aug 2012, 03:12

54

9

36,768

by: bumpbot

18 Oct 2024, 02:05

ER

What is the value of prime number p ? (1) p+8 is prime.

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

BillyZ

07 Feb 2017, 18:57

54

13

7,391

by: bumpbot

24 Sep 2024, 00:34

ER

For positive integers n and m (n>m), is the average (arithmetic mean)

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

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

BillyZ

25 Mar 2017, 15:41

54

8

7,756

by: bumpbot

25 Aug 2024, 22:26

ER

If x is a positive three-digit integar what is the tens digit of x

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

HarveyKlaus

14 Aug 2016, 11:10

54

14

17,432

by: bumpbot

19 Jan 2024, 08:08

ER

What is the distance between a and b on the number line?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

Bunuel

01 Apr 2012, 01:51

54

18

28,395

by: bumpbot

20 Dec 2023, 03:35

ER

Is p > q (1) 2p/3 < 3q/8 (2) 7p/11 < 4q/5

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

ShankSouljaBoi

15 Aug 2020, 20:07

54

6

7,479

by: Bunuel

08 Dec 2023, 00:52

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

manulath

06 Jun 2012, 11:33

54

9

13,931

by: bumpbot

12 Oct 2023, 02:04

ER

Circle C is in the xy-plane, what is the area of the circle?

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

jitendra

25 Aug 2010, 04:46

54

11

10,851

by: bumpbot

08 Sep 2023, 08:05

ER

For the four-digit number ABCD , where A, B, C, and D all

805+ (Hard) | Arithmetic, Number Properties

805+ (Hard) | Arithmetic, Number Properties hide tags

fluke

15 May 2011, 15:01

54

12

13,394

by: bumpbot

02 Aug 2023, 07:38

ER

Two cars start moving simultaneously in different directions from poin

805+ (Hard) | Distance and Speed Problems

805+ (Hard) | Distance and Speed Problems hide tags

desaichinmay22

08 Dec 2014, 06:16

54

12

9,385

by: bumpbot

06 May 2023, 12:28

ER

Is ABCD rectangular

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

1, 2

skamal7

20 Jul 2013, 09:46

54

22

11,374

by: bumpbot

05 Feb 2023, 00:14

ER

If p and q are negative, is p/q > 1

805+ (Hard) | Absolute Values, Inequalities

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

rxs0005

07 Feb 2011, 07:08

54

13

17,127

by: bumpbot

27 Nov 2022, 09:10

ER

When 55 is divided by 3x the remainder is 2x. What is the value of x?

705-805 (Hard) | Number Properties, Remainders

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

1, 2

Bunuel

23 Jan 2015, 07:36

54

23

10,701

by: bumpbot

07 Jan 2022, 12:26

ER

Alberto invested a total of $50,000 in 2 new funds-a stock fund and

705-805 (Hard) | Percent and Interest Problems

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

guddo

24 Jan 2024, 02:21

53

6

12,755

by: bumpbot

05 Jan 2026, 06:24

ER

A number of people each wrote down one of the first 30

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Walkabout

06 Dec 2012, 07:17

53

14

20,301

by: bumpbot

12 Dec 2025, 16:42

ER

If x is a positive integer, is the mean of set S greater tha

655-705 (Hard) | Statistics and Sets Problems

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

Millis79

05 Apr 2014, 02:08

53

5

11,533

by: whatsinthename1

30 Nov 2025, 05:22

ER

Two bookworms, Alpha and Beta, start eating at opposite ends of a 42

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

mastvita

15 Dec 2010, 21:11

53

7

10,335

by: bumpbot

16 Oct 2025, 02:27

ER

GMAT Club Olympics 2025 (Day 6): An old photograph shows a group of

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

1, 2, 3, 4, 5

Bunuel

07 Jul 2025, 08:00

53

87

3,329

by: D3N0

09 Jul 2025, 00:56

ER

Pam and Ed are in a line to purchase tickets. How many

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

rxs0005

06 Aug 2010, 04:32

53

2

12,509

by: bumpbot

04 Jun 2025, 16:57

If abc 0, what is the value of a^3 + b^3 + c^3/abc ? (1)

805+ (Hard) | Absolute Values

805+ (Hard) | Absolute Values hide tags

gmatpapa

22 Mar 2011, 11:05

53

12

35,517

by: bumpbot

21 Apr 2025, 10:54

ER

A certain income tax is graduated according to the table above. For

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

27 Feb 2024, 12:16

53

6

10,883

by: KarishmaB

15 Apr 2025, 03:27

ER

GMAT Club Olympics 2024 (Day 2): Of the 100 flowers in a garden, 3/4

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

1, 2

Bunuel

09 Jul 2024, 07:00

53

25

8,501

by: rohitz98

04 Apr 2025, 19:13

ER

Will the first 10 volumes of a 20-volume encyclopedia fit

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

morya003

26 May 2013, 05:21

53

5

25,775

by: bumpbot

22 Mar 2025, 08:45

ER

If 25% of the employees at a firm did not take a vacation last year

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

EgmatQuantExpert

08 Mar 2025, 02:11

53

12

12,304

by: Wazzzaa

08 Mar 2025, 01:51

ER

If P, Q, R, and S are positive integers, and P/Q = R/S, is R

655-705 (Hard) | Multiples and Factors

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

rxs0005

01 Feb 2011, 11:01

53

14

21,040

by: bumpbot

17 Feb 2025, 05:18

ER

If |x|*y + 9 > 0, and x and y are integers, is x < 6 ?

605-655 (Medium) | Absolute Values, Inequalities

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

kylexy

16 Sep 2022, 03:24

53

8

20,457

by: bumpbot

14 Jan 2025, 21:12