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

78,979

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

857

24

188,674

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

488,180

by: bb

29 Aug 2025, 13:27

ER

The greatest number in a set of 4 numbers is 70. What is the average

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

13 Nov 2018, 02:06

3

2,104

by: Archit3110

13 Nov 2018, 04:44

ER

What is the value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

BrentGMATPrepNow

24 Feb 2020, 07:31

3

5

2,105

by: bumpbot

30 Oct 2025, 06:21

ER

A certain number of people were polled to determine which of three

555-605 (Medium) | Fractions and Ratios, Overlapping Sets

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

Bunuel

14 Jul 2023, 01:30

11

4

2,105

by: bumpbot

26 Sep 2024, 01:10

ER

Does the population of rats in a zoo double every day?

Poor Quality

Poor Quality hide tags

AweSome777

10 Jul 2019, 04:59

1

5

2,105

by: v12345

02 Aug 2021, 00:50

ER

Is n^2 > n^3 ? (1) n^2 < 1 (2) n^3 < 1

655-705 (Hard) | Exponents, Inequalities

655-705 (Hard) | Exponents, Inequalities hide tags

aryamanpanda

12 Jul 2021, 05:21

8

3

2,105

by: gmatbyexample

12 Jul 2021, 10:58

If xy = -9, what is the value

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

ganand

05 May 2017, 06:49

4

2

2,105

by: niks18

05 May 2017, 21:15

ER

How many girls are members of both the Math Club and the Chess Club?

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

13 Jul 2023, 01:30

6

2

2,106

by: bumpbot

23 Sep 2024, 08:03

ER

Does the busy Bevilacqua Hospital offer Emergency Room services?

Sub 505 (Easy) | Non-Math Related

Sub 505 (Easy) | Non-Math Related hide tags

Bunuel

15 Jan 2024, 10:15

5

1

2,106

by: VivekSri

15 Jan 2024, 10:40

ER

If y is a positive integer with 3 digits and the sum of its digits is

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

03 Nov 2016, 02:21

2

3

2,106

by: Lowkya

29 May 2018, 05:54

ER

Is x 3? (1) |x| = 3 (2) x is positive.

Sub 505 (Easy) | Absolute Values, Algebra

Sub 505 (Easy) | Absolute Values, Algebra hide tags

Bunuel

30 May 2022, 01:31

2

2,107

by: bumpbot

27 Jul 2025, 12:41

ER

Is a + b = 0?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

16 Jul 2017, 23:14

3

2,107

by: bumpbot

30 Oct 2022, 09:10

ER

In an xy-plane, how many points are common to the x-axis and the curve

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

Bunuel

04 Jan 2021, 09:04

6

3

2,107

by: MBAB123

31 Jan 2021, 03:11

ER

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

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

12 Sep 2022, 11:26

5

3

2,108

by: bumpbot

23 Sep 2023, 01:56

x and y are positive integers. Is x-y even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

TheUltimateWinner

31 Oct 2020, 08:41

1

3

2,108

by: bumpbot

15 Feb 2022, 12:45

ER

What is the area of the circle with center O?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

12 Sep 2018, 00:22

2

2,108

by: souvonik2k

12 Sep 2018, 22:02

ER

If the sequence G has 100 terms, what is the 51st term of the sequence

Sub 505 (Easy) | Sequences

Sub 505 (Easy) | Sequences hide tags

Bunuel

07 May 2018, 02:49

1

2,108

by: EgmatQuantExpert

07 May 2018, 03:12

ER

What is the perimeter of rectangle M?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

11 Oct 2016, 02:25

1

2,109

by: msk0657

11 Oct 2016, 02:50

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

2,110

by: bumpbot

17 Jun 2025, 22:08

ER

Rakesh is standing 3 steps to the right of a Green mark and 2 steps to

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

10 Jun 2018, 04:52

7

5

2,110

by: bumpbot

18 Apr 2025, 21:07

ER

If l and w represent the length and width, respectively, of a rectangl

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Carcass

25 Sep 2022, 10:47

2

1

2,110

by: Catman

04 Mar 2023, 06:30

ER

Find the product of Y-intercepts of lines L and line M? 1) Product of

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

GMATinsight

08 Nov 2020, 21:08

3

4

2,110

by: bumpbot

17 Jul 2022, 12:43

ER

How much revenue did an author receive from the sale of 2000 books, so

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

13 Feb 2021, 09:22

1

2

2,110

by: Bunuel

22 Feb 2021, 08:15

ER

If w + x + y + z = 100

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

EMPOWERgmatRichC

22 Oct 2019, 23:21

1

2,110

by: chetan2u

23 Oct 2019, 00:01

ER

Is xy < 12? (1) x < 4 and y < 3 (2) x^2 < 121 and y^2 < 4

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

neiln413b

06 Jul 2018, 07:27

2

3

2,110

by: CAMANISHPARMAR

07 Jul 2018, 08:40

ER

If a and b are integers and a*b=2, is a>b?

605-655 (Medium) | Inequalities, Number Properties

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

chetan2u

15 Jul 2017, 21:54

4

2,110

by: stonecold

14 Aug 2017, 04:54

ER

What is the median of a data set consisting of 11 numbers?

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

06 Feb 2024, 02:30

2

2,111

by: Shubhradeep

06 Feb 2024, 16:00

ER

A rectangular sheet of paper of length L units and breadth W units is

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

25 Nov 2022, 11:10

8

2

2,111

by: mmdfl

17 Jun 2023, 18:41

ER

Is x = y? (1) x^2 = xy (2) x^2 = y^2

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

talismaaniac

17 Nov 2017, 08:00

8

3

2,111

by: bumpbot

22 Aug 2022, 05:57

ER

How many square tiles, each with a side length of n, are needed to com

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

16 Dec 2021, 02:30

2

2,111

by: Vatsal7794

16 Dec 2021, 04:30

ER

What is the units digit of (2x)^8?

655-705 (Hard) | Algebra +3 tags

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

chetan2u

04 Feb 2019, 00:47

12

4

2,111

by: chetan2u

08 Feb 2019, 09:10

ER

In the xy-plane, is the slope of line k positive? (1) The y-intercept

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

Confide

19 Jan 2024, 19:00

6

8

2,112

by: unraveled

23 Jan 2024, 08:45

ER

Is the radius of circle with center O an integer?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

21 Aug 2017, 23:38

2

4

2,112

by: bumpbot

11 Nov 2018, 07:57

ER

If line M passes through the coordinate system shown above, does line

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

02 Sep 2018, 22:16

3

2

2,113

by: NA08

06 Jun 2023, 08:18

ER

What is the value of 3y+8 ? (1) y^2+8 = 33 (2) (y - 5)^2 = 0

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

16 Feb 2022, 03:00

1

2,113

by: kungfury42

16 Feb 2022, 12:02

ER

What is the total number of students at a certain college?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

13 Oct 2021, 03:30

2

2,113

by: hientranzx

13 Oct 2021, 07:26

ER

O is the origin of the coordinate system above, and A lies in the 2nd

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

16 Jun 2021, 03:00

2

4

2,113

by: SiddharthR

31 Aug 2021, 11:33

ER

If a is an integer and 0 < a < 7 and b = a^7, then what is the value

605-655 (Medium) | Exponents +2 tags

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

Bunuel

11 Oct 2016, 02:11

1

4

2,113

by: abhimahna

11 Oct 2016, 07:07

ER

There are some oranges and apples in a basket. After additional 4 and

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

27 Dec 2022, 10:00

2

2,114

by: Bunuel

07 Jan 2023, 08:30

ER

Is b even? (1) a/b is even (2) (a+1)b is even

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

04 Apr 2018, 23:46

5

7

2,114

by: shmba

23 Aug 2018, 19:40

ER

If z is a positive two-digit even number, what is the ones digit of z?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

MahmoudFawzy

16 Dec 2018, 13:25

3

2,115

by: bumpbot

11 Jan 2024, 08:05

ER

What percent of Gigacorp’s 80 female employees are college graduates?

505-555 (Easy) | Percent and Interest Problems

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

Bunuel

03 Mar 2021, 14:51

2

2,115

by: Bunuel

12 Apr 2021, 06:00

ER

If John traveled 9 miles on his unicycle, what was his speed in miles

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

18 Sep 2018, 21:59

7

4

2,115

by: kiendt

08 Dec 2019, 07:02

ER

What is the area of the circle above with center O?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

20 Aug 2019, 02:28

4

8

2,115

by: Bunuel

19 Sep 2019, 02:34

ER

Levon has carrots, Brussel sprouts, and celery sticks in his refrigera

Sub 505 (Easy) | Arithmetic, Fractions and Ratios

Sub 505 (Easy) | Arithmetic, Fractions and Ratios hide tags

EMPOWERgmatRichC

07 Oct 2019, 19:48

2

3

2,116

by: EMPOWERgmatRichC

07 Oct 2019, 19:47

ER

If p is an integer, is q an integer?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

24 Dec 2017, 01:27

2

4

2,116

by: Salsanousi

16 Nov 2018, 14:37

ER

While snail R starts to move from point A to C via AC directly, snail

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

25 Oct 2016, 23:10

2

2,116

by: rudra316

26 Oct 2016, 18:24

ER

The data collected for 20 years of population surveys of a city C were

705-805 (Hard) | Sequences

705-805 (Hard) | Sequences hide tags

gmatophobia

23 Apr 2023, 23:41

8

4

2,117

by: bumpbot

16 Dec 2025, 08:03

ER

Is x^3*y^2*z^2 > 0 ? (1) xy > 0 (2) xz > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

10 Nov 2022, 10:17

5

3

2,117

by: bumpbot

09 Feb 2025, 16:01

ER

If k is a positive integer, is the value of x-y less than half the val

605-655 (Medium) | Exponents, Inequalities

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

Bunuel

15 Sep 2021, 08:00

5

3

2,117

by: Oppenheimer1945

16 Jan 2024, 07:24

ER

If a and b are different integers, what is the value of a?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

25 Sep 2017, 23:42

4

2,117

by: bumpbot

01 Sep 2020, 11:31