GMAT Data Sufficiency (DS) Forum - Free Practice Questions

ER

Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

176

15

78,623

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

188,460

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

487,842

by: bb

29 Aug 2025, 13:27

ER

What was the median monthly number of gallons of water used by the

Sub 505 (Easy) | Statistics and Sets Problems

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

Bunuel

08 Aug 2023, 05:00

26

6

13,870

by: bumpbot

10 Jul 2025, 02:28

ER

If Z is an integer, is Z prime?

605-655 (Medium) | Inequalities, Number Properties

605-655 (Medium) | Inequalities, Number Properties hide tags

InspiredAnimal

12 May 2011, 04:49

110

11

13,869

by: bumpbot

15 Jun 2025, 22:46

ER

A box contains only white balls, red balls and green balls. What is th

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

Bunuel

30 Mar 2015, 05:44

18

9

13,861

by: bumpbot

06 Jun 2024, 20:35

ER

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

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

kamathimanshu

27 Jun 2021, 23:43

37

9

13,855

by: gmatophobia

18 Jul 2023, 23:00

ER

If n is a positive integer and 10^n is a factor of m, what

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

atalpanditgmat

26 May 2013, 09:16

111

6

13,847

by: bumpbot

25 Jun 2025, 08:30

ER

Is mn<10?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Srav

11 Oct 2015, 00:23

64

12

13,835

by: bumpbot

29 Oct 2024, 23:17

ER

Three employees, A, B and C, clean a certain conference room each day.

805+ (Hard) | Work and Rate Problems

805+ (Hard) | Work and Rate Problems hide tags

Awli

26 Feb 2015, 11:36

176

12

13,831

by: bumpbot

10 Mar 2026, 23:27

ER

If B is the midpoint of AC, what is the length of BE?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

enigma123

05 Feb 2012, 19:09

38

7

13,826

by: bumpbot

09 Dec 2023, 20:00

ER

What is the value of x 1 ? (1) x + 1 = 3 (2) x 1 < 3

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

RSOHAL

13 Sep 2022, 02:52

8

2

13,819

by: bumpbot

26 Sep 2025, 14:32

ER

If the arithmetic mean of n consecutive odd integers is 20, what is

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

19 Aug 2015, 03:05

117

11

13,805

by: bumpbot

28 Jul 2025, 10:57

ER

If Aaron, Lee, and Tony have a total of $36, how much money

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

18 Feb 2014, 03:41

15

6

13,799

by: totaltestprepNick

25 Feb 2026, 16:17

ER

At a particular moment, a restaurant has x biscuits and y

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

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

Stiv

12 May 2012, 03:49

63

11

13,796

by: bumpbot

19 Oct 2024, 19:38

ER

What is the absolute difference between the cubes of two

655-705 (Hard) | Algebra +2 tags

655-705 (Hard) | Algebra, Arithmetic, Exponents hide tags

1, 2

Smita04

15 Mar 2012, 23:23

88

20

13,794

by: vallequalle

17 Mar 2026, 07:14

ER

In which quadrant does the point P(x,y) lie?

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

gpathak722

19 Sep 2017, 04:05

21

4

13,791

by: bumpbot

18 Aug 2024, 00:24

ER

If a, b, and c are all integers, is ab + bc + ca + a^2 odd?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

16 Feb 2021, 01:15

22

5

13,785

by: tabishkazi

14 Oct 2023, 07:46

ER

Material M costs $10 per kg, and material N costs $20 per kg. If 25 kg

655-705 (Hard) | Statistics and Sets Problems

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

ashikaverma13

28 Dec 2016, 10:49

29

4

13,780

by: bumpbot

13 Jan 2026, 20:33

ER

Buckets X and Y contained only water and bucket Y was 1/2 full. If all

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

fozzzy

21 Jan 2013, 02:26

15

7

13,780

by: bumpbot

15 Jun 2024, 21:09

ER

If a school district paid a total of $35 per desk for x desks and a to

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

26 Apr 2019, 02:02

17

10

13,773

by: bumpbot

04 Feb 2025, 14:40

ER

The rate R at which a chemical reaction in a certain industrial proces

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

jm2k5

21 Dec 2023, 06:02

91

13

13,765

by: consistentprep

18 Jan 2026, 04:02

ER

Is the perimeter of triangle T greater than the perimeter of

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

jakolik

20 Jun 2013, 05:58

31

14

13,761

by: bumpbot

23 Aug 2023, 08:01

ER

Is x^3 - 6x^2 + 11x - 6 < 0

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

kumar83

04 Sep 2013, 23:52

31

9

13,761

by: rahul0909

23 Sep 2019, 08:24

ER

In the telephone number 936-215X, what digit does X

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

CaspAreaGuy

08 Sep 2007, 23:56

35

10

13,750

by: bumpbot

23 Sep 2025, 07:02

ER

In the xy plane, line x goes through the point (a,1) and lin

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

BabySmurf

04 Jan 2023, 05:31

101

10

13,742

by: Bunuel

23 Sep 2025, 08:33

ER

HOT Competition: Is |x+y| > |x-y| ? (1) |x| > |y| (2) |x - y| < |x|

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

24 Aug 2020, 08:00

76

15

13,740

by: bumpbot

13 Nov 2025, 11:10

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 a and b are nonzero, does the point (a,b) lie in the quadrant II of

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

08 May 2020, 03:30

20

4

13,735

by: bumpbot

23 Dec 2023, 20:57

ER

If the price of a magazine is to be doubled, by what percent

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

sky

08 Jul 2010, 04:04

40

9

13,730

by: bumpbot

04 Mar 2025, 19:55

ER

In the xy-plane, line l passes through the point (-7, k). What is the

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

Bunuel

29 Mar 2026, 00:06

31

7

13,726

by: bumpbot

30 Aug 2022, 18:17

ER

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

655-705 (Hard) | Absolute Values, Inequalities

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

push12345

15 Oct 2018, 07:21

39

9

13,721

by: bumpbot

30 Jul 2024, 00:21

ER

What is the radius of the circle shown?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

PathFinder007

02 Aug 2014, 10:24

19

10

13,711

by: bumpbot

05 Jan 2022, 19:50

ER

There is a sequence, 4(10^n), 4(10^(n-1)), ..., 4(10^(n-m)), for posit

805+ (Hard) | Number Properties, Sequences

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

Bunuel

20 Dec 2015, 06:37

69

12

13,704

by: bumpbot

15 Apr 2026, 06:06

ER

An equilateral triangle is inscribed in a circle, as shown above. What

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

11 Jul 2019, 05:43

22

7

13,704

by: bumpbot

18 Mar 2023, 10:28

ER

In the correctly-worked addition calculation above, A, B, C, D, and E

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

Bunuel

22 Sep 2015, 03:09

59

7

13,691

by: TommasoP

07 Dec 2025, 08:31

ER

In the same period of time that a sports car

655-705 (Hard) | Distance and Speed Problems

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

pablovaldesvega

26 Nov 2023, 06:12

86

12

13,686

by: KarishmaB

15 Sep 2025, 00:40

ER

If a, b, x, and y are positive integers, is a^(-x) > b(-y)?

Sub 505 (Easy) | Algebra +2 tags

Sub 505 (Easy) | Algebra, Exponents, Inequalities hide tags

zbvl

07 May 2018, 21:53

28

10

13,686

by: bumpbot

07 Oct 2023, 14:33

ER

What is the value of 5x^2 + 4x - 1 ? (1) x(x + 2) = 0 (2) x = 0

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

23 Sep 2018, 21:52

13

5

13,684

by: bumpbot

22 Oct 2024, 11:31

ER

Robin drove from Townville to Villageton. Upon arriving in Villageton,

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

25 Mar 2015, 04:30

11

8

13,683

by: jppresa

25 May 2021, 09:42

ER

Is |x – 3| < 7 ? (1) x > 0 (2) x < 10

555-605 (Medium) | Absolute Values, Inequalities

555-605 (Medium) | Absolute Values, Inequalities hide tags

agnok

06 Oct 2010, 07:11

50

18

13,682

by: bumpbot

07 Mar 2025, 01:14

ER

In the xy-coordinate plane, line L passes through the points (b, a) an

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

Bunuel

01 May 2015, 02:16

79

10

13,678

by: bumpbot

26 Feb 2024, 09:05

ER

If lines y=mx+b and x=y+bm intersect at a degrees angle

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

Marcab

16 Nov 2012, 05:26

45

16

13,676

by: EMPOWERgmatRichC

25 Jun 2018, 20:30

ER

Is t/3 > w/5 ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

10 Nov 2016, 23:56

21

12

13,672

by: bumpbot

07 Dec 2022, 17:14

ER

If triangles ABC and CDE are each equilateral, what is the

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

sanjoo

08 Feb 2014, 01:47

32

6

13,672

by: bumpbot

04 Oct 2022, 05:59

ER

If mn ≠ 0, is m > n? (1) 1/m < 1/n (2) m^2 > n^2

705-805 (Hard) | Inequalities, Number Properties

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

BillyZ

22 May 2017, 08:35

55

13

13,671

by: bumpbot

02 Sep 2023, 10:08

What is the value of abcd+a+b+c+d ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

alex90

25 Apr 2013, 05:31

73

6

13,668

by: bumpbot

17 Aug 2024, 03:27

ER

A certain zoo has mammal and reptiles and birds, and no other animals.

555-605 (Medium) | Fractions and Ratios

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

Bunuel

27 Sep 2015, 12:19

12

10

13,667

by: bumpbot

08 Dec 2024, 06:14

ER

A certain company paid bonuses of $125 to each of its executive employ

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

09 Dec 2014, 15:24

16

8

13,653

by: bumpbot

09 Dec 2025, 10:39

ER

Is m > k? (1) 3m > 3k (2) 2m > 2k

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

rpamecha

21 Apr 2012, 15:27

6

3

13,644

by: bumpbot

12 Jan 2023, 00:29

ER

In the xy-coordinate plane, what are the x-coordinates of the four ver

Sub 505 (Easy) | Coordinate Plane, Geometry

Sub 505 (Easy) | Coordinate Plane, Geometry hide tags

GMATinsight

22 Apr 2020, 00:00

48

5

13,622

by: bumpbot

11 Oct 2025, 01:01

ER

The numbers a, b, and c are all positive. If b^2 - c^2 = 17, then wha

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

23 Feb 2015, 03:34

27

16

13,616

by: VivekSri

11 Oct 2023, 20:36

ER

Two car, S and T, each traveled a distance of 50 miles. Did car S use

Sub 505 (Easy) | Distance and Speed Problems

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

Bunuel

15 Dec 2014, 09:14

18

4

13,603

by: bumpbot

25 Dec 2025, 06:05