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

78,633

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

854

24

188,469

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

487,852

by: bb

29 Aug 2025, 13:27

ER

For nonnegative integers x , y , and m , what is the greatest value

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

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

shasadou

23 Jan 2016, 02:08

101

14

14,900

by: bumpbot

22 Jun 2025, 12:04

ER

The ratio of the number of employees of three companies X, Y

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

18 Jun 2023, 14:42

39

8

14,887

by: egmat

22 Jan 2026, 23:07

ER

A store sells erasers for 0.23$ per piece and pencil for 0.1

555-605 (Medium) | Algebra, Word Problems

555-605 (Medium) | Algebra, Word Problems hide tags

honchos

26 Jul 2014, 10:36

48

9

14,887

by: bumpbot

15 Jun 2025, 08:08

ER

What is the volume of a certain cube?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Vidhi1

10 Dec 2013, 14:12

22

10

14,853

by: bumpbot

24 Jan 2026, 23:01

ER

If b, c, and d are constants and x^2 + bx + c = (x +

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

galiya

05 Aug 2011, 06:16

110

11

14,851

by: bumpbot

20 Jan 2026, 11:44

ER

If r and t are positive integers, what is the value of t?

555-605 (Medium) | Algebra, Exponents

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

MHIKER

28 Dec 2020, 07:54

48

6

14,846

by: MHIKER

28 Dec 2020, 07:53

ER

Is |x - 1| < 1? (1) (x - 1)^2 <= 1 (2) x^2 - 1 > 0

805+ (Hard) | Absolute Values, Inequalities

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

devinawilliam83

25 Oct 2023, 09:11

57

5

14,842

by: bumpbot

23 Sep 2025, 08:48

ER

Last Tuesday a trucker paid $155.76, including 10 percent state and fe

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

11 Dec 2014, 07:11

67

5

14,837

by: bumpbot

14 Nov 2025, 05:21

ER

If F is the prime factorization of N!, how many factors in F have an e

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

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

Bunuel

09 Apr 2015, 07:33

57

13

14,824

by: bumpbot

01 Oct 2024, 23:41

ER

A certain bank has ten branches. What is the total amount of assets un

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

27 Jan 2020, 01:08

64

15

14,815

by: ManifestDreamMBA

06 Feb 2025, 09:02

ER

Is x > 0? (1) x^6 > x^7 (2) x^7 > x^8

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

aDAMS

04 Apr 2023, 10:20

73

14

14,814

by: bumpbot

24 Sep 2025, 09:17

ER

Does set S contain any even numbers ?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

blog

16 Mar 2013, 04:06

21

15

14,807

by: bumpbot

29 Jan 2025, 04:22

ER

If a and b are integers, is b even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

jakolik

16 Aug 2010, 06:57

34

9

14,804

by: bumpbot

11 Nov 2023, 03:53

ER

The values of x and y vary with the value of z

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

NoHalfMeasures

19 Dec 2015, 15:22

122

10

14,795

by: bumpbot

03 Apr 2025, 12:46

The amount of coal a train burns each mile is directly propo

505-555 (Easy) | Distance and Speed Problems, Word Problems

505-555 (Easy) | Distance and Speed Problems, Word Problems hide tags

gmatmathguy123

26 May 2014, 02:11

33

8

14,794

by: vrinda6

09 Apr 2026, 01:30

ER

The table above shows a frequency chart for the scores on a certain

605-655 (Medium) | Statistics and Sets Problems

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

XimeSol

12 Nov 2024, 02:01

84

6

14,790

by: bumpbot

18 Nov 2025, 11:10

ER

Is n < 0 ? (1) m < n (2) -n < m

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

nayasnayas

17 Apr 2022, 02:04

11

7

14,787

by: RastogiSarthak99

06 Jun 2022, 05:06

ER

If a, b, and c are integers and abc ≠ 0, is a^2 – b^2

605-655 (Medium) | Multiples and Factors

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

mun23

26 Mar 2013, 01:52

46

8

14,771

by: Bunuel

15 Nov 2023, 07:31

ER

12 Days of Christmas GMAT Competition - Day 1: On Christmas Eve, Santa

655-705 (Hard) | Work and Rate Problems

655-705 (Hard) | Work and Rate Problems hide tags

Bunuel

05 Mar 2026, 09:08

26

12

14,764

by: Bunuel

05 Mar 2026, 08:33

ER

A length of rope is cut into three different lengths. What is the leng

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

lalania1

24 Nov 2016, 09:41

18

6

14,749

by: bumpbot

14 Mar 2024, 06:02

ER

If integer p is greater than 1, is p a prime number?

Sub 505 (Easy) | Multiples and Factors, Number Properties

Sub 505 (Easy) | Multiples and Factors, Number Properties hide tags

Bunuel

05 Jul 2018, 01:35

12

6

14,747

by: surah

30 Oct 2023, 22:15

ER

In the xy-plane shown, is the slope of the line L negative ?

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

guerrero25

22 Mar 2018, 00:13

31

10

14,745

by: bumpbot

06 Sep 2024, 11:47

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

14,742

by: bumpbot

12 Jun 2024, 06:20

ER

8 cities, including Memphis, are finalists to be chosen to host a poli

Sub 505 (Easy) | Probability

Sub 505 (Easy) | Probability hide tags

Bunuel

03 Nov 2014, 08:06

21

2

14,736

by: BrentGMATPrepNow

05 Sep 2018, 06:49

ER

Occupancy rate is defined as the number of units occupied,

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

madhavsrinivas

24 Dec 2013, 02:22

69

11

14,734

by: bumpbot

29 Nov 2024, 05:55

ER

In the xy-plane, a parabola intersects with axis-y at point

655-705 (Hard) | Coordinate Plane, Geometry

655-705 (Hard) | Coordinate Plane, Geometry hide tags

aalriy

10 Dec 2010, 11:03

34

9

14,730

by: bumpbot

22 Nov 2023, 05:08

ER

A line with the equation y = px + q is reflected over the

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

bhandariavi

20 Mar 2011, 17:14

51

18

14,714

by: bumpbot

07 Oct 2024, 00:29

ER

If $ represents a digit in the 7-digit number 3,62$,215, what is the

555-605 (Medium) | Fractions and Ratios, Word Problems

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

Bunuel

11 Dec 2014, 07:08

50

6

14,710

by: Bunuel

04 Jan 2026, 22:40

ER

What is the median of set A {-8, 15, -9, 4, N}?

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

08 Oct 2014, 14:39

21

12

14,710

by: RexLenny

04 Nov 2025, 13:25

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

14,708

by: bumpbot

12 Jun 2024, 02:18

ER

Currently there are 50 picture books on each shelf in the children's

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

04 Jun 2018, 09:09

48

7

14,700

by: bumpbot

17 May 2025, 00:36

ER

Is n equal to zero? (1) The product of n and some nonzero number is 0

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

26 Apr 2019, 02:25

11

8

14,695

by: bumpbot

15 Jan 2023, 12:06

ER

A family-size box of cereal contains more cereal and costs m

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

seabhi

24 Feb 2014, 06:42

3

14,693

by: bumpbot

25 Jan 2023, 18:22

ER

If m and n are positive integers, is root (n-m) an integer?

505-555 (Easy) | Roots

505-555 (Easy) | Roots hide tags

RSOHAL

21 Dec 2015, 10:51

62

4

14,689

by: bumpbot

23 Sep 2025, 21:37

ER

If n is a member of the set {33, 36, 38, 39, 41, 42}, what is the va

Sub 505 (Easy) | Statistics and Sets Problems

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

mcelroytutoring

23 May 2020, 08:12

15

2

14,683

by: bumpbot

13 Sep 2024, 23:16

ER

p^a*q^b*r^c*s^d=x, where x is a perfect square. If p, q, r

805+ (Hard) | Multiples and Factors, Number Properties

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

enigma123

26 Oct 2023, 00:20

74

19

14,680

by: KarishmaB

19 Jan 2025, 22:05

ER

x is an integer and x raised to any odd integer is greater

805+ (Hard) | Algebra, Exponents

805+ (Hard) | Algebra, Exponents hide tags

jamifahad

19 Jul 2012, 02:55

28

8

14,678

by: gurpreetsingh

19 Jul 2012, 03:01

ER

Chris was in an electronic appliances store to buy an LED computer

705-805 (Hard) | Non-Math Related

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

dpchen

29 Dec 2023, 08:01

130

19

14,673

by: rajatyadav1994

12 Jun 2025, 22:50

ER

If two elements are dropped from set X {-10, -8, 0, 6, 7}, what will

555-605 (Medium) | Statistics and Sets Problems

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

enigma123

10 Mar 2020, 01:48

30

9

14,660

by: bumpbot

08 Jul 2025, 11:07

ER

What is the value of x^2 - y^2 ? (1) x - y = y + 2 (2) x - y = 1/(x+y)

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

21 Jan 2014, 04:05

18

6

14,657

by: totaltestprepNick

01 Mar 2026, 14:08

ER

What will be the value of a/b ? Given that a and b are

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

GMATBaumgartner

17 Oct 2012, 04:01

135

12

14,653

by: bumpbot

21 Aug 2025, 12:04

ER

Of the students at a certain school, 40 took French, 30 took Latin, an

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

jawnjon

25 Mar 2024, 18:09

76

9

14,648

by: NEYR0N

12 Apr 2025, 12:06

ER

What was the revenue that a theater received from the sale

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Walkabout

14 Dec 2012, 05:30

11

6

14,644

by: bumpbot

31 Aug 2023, 00:49

ER

If x and y are integers and xy does not equal 0, is xy < 0?

605-655 (Medium) | Algebra, Inequalities

605-655 (Medium) | Algebra, Inequalities hide tags

Bunuel

19 Dec 2019, 04:07

17

5

14,637

by: bumpbot

29 Jul 2025, 01:38

ER

John took a test that had 60 questions numbered from 1 to 60

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

09 Jan 2014, 06:54

12

8

14,629

by: totaltestprepNick

25 Feb 2026, 16:24

ER

If k is a line in the xy-plane, what is the slope of k ?

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

anilnandyala

28 Oct 2010, 08:58

8

3

14,628

by: bumpbot

16 Jul 2023, 21:46

ER

Is |a| - |b| < |a - b| ? (1) b^a < 0 (2) |b| > |a|

805+ (Hard) | Absolute Values +2 tags

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

1, 2

DHAR

10 Nov 2018, 09:34

48

24

14,625

by: bumpbot

21 Nov 2023, 23:27

ER

Do more than 50% of the children in a certain group have

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

cmugeria

10 Sep 2010, 15:29

30

7

14,615

by: bumpbot

14 Sep 2024, 23:15

ER

What is the retail price of a certain calculator? (1) The retail pri

Sub 505 (Easy) | Arithmetic

Sub 505 (Easy) | Arithmetic hide tags

anairamitch1804

26 Jan 2017, 12:16

14

3

14,610

by: bumpbot

05 Jan 2024, 01:16

ER

In the correctly worked addition problem above, M, N, R, S, T and V

805+ (Hard) | Arithmetic

805+ (Hard) | Arithmetic hide tags

Bunuel

06 May 2015, 02:27

102

15

14,609

by: bumpbot

19 May 2025, 11:46