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

78,588

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

188,442

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

487,796

by: bb

29 Aug 2025, 13:27

An engineering course in a university college has 240 students in the

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

amanvermagmat

04 May 2018, 00:13

4

2

2,253

by: bumpbot

17 Aug 2023, 10:46

ER

Is Quadrilateral ABCD a rectangle? (1) A, B, C, D are the mid-points

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

amanvermagmat

20 Nov 2018, 10:54

10

4

2,161

by: bumpbot

12 Aug 2023, 11:45

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Is the quadrilateral ABCD a rectangle? (1) Mid points of AB, BC, CD

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

amanvermagmat

25 Jun 2018, 10:59

14

7

3,032

by: bumpbot

12 Aug 2023, 11:29

A trapezoid ABCD has sides BC and AD parallel to each other. A point E

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

amanvermagmat

17 Jul 2018, 23:25

2

1,499

by: alax123

05 Aug 2023, 23:29

W1, W2 are two rectangular tanks. Is lateral surface area of W1 > W2?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

amanvermagmat

14 Mar 2018, 23:06

4

7

2,341

by: alax123

05 Aug 2023, 06:27

Is the Standard Deviation of four positive numbers a, b, c, d greater

555-605 (Medium) | Statistics and Sets Problems

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amanvermagmat

13 Jan 2019, 22:20

6

2

1,841

by: bumpbot

31 Jul 2023, 23:05

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Is a > (3b)/2, where a and b are real numbers? (1) b < a/2 (2) a and

705-805 (Hard) | Inequalities, Number Properties

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

amanvermagmat

23 Jul 2018, 21:11

5

3

2,002

by: bumpbot

27 Jul 2023, 04:59

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X, Y, Z receive fixed salary in a company. Salary of Y is what percent

555-605 (Medium) | Arithmetic, Percent and Interest Problems

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

amanvermagmat

06 Apr 2018, 05:25

4

2

3,042

by: nikhilvsh

23 Jul 2023, 06:01

If X is a positive integer, is X odd? (1) X = 16*Y + 5, where Y is a

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

amanvermagmat

02 Apr 2018, 05:06

5

2,275

by: bumpbot

13 Jul 2023, 07:22

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Is |2x - 7| > y ?

655-705 (Hard) | Absolute Values, Inequalities

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

amanvermagmat

05 Jul 2018, 08:30

3

2,041

by: HoudaSR

12 Jun 2023, 08:54

ER

What is the difference between the number of chocolates with Alice and

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

amanvermagmat

19 Jul 2018, 11:22

5

2

2,616

by: Ashu9876

26 Mar 2023, 23:35

Triangle ABC is isosceles but not equilateral. Out of AB, BC and AC

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

amanvermagmat

15 Jan 2019, 22:23

3

5

2,190

by: bumpbot

20 Mar 2023, 08:29

A company called Nutrilicious offers its Calcium tablets in three diff

555-605 (Medium) | Arithmetic, Fractions and Ratios

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

amanvermagmat

04 Apr 2018, 11:16

3

4

2,329

by: bumpbot

17 Mar 2023, 02:45

ER

Charles has 3 different types of bonds: A, B and C. Value of

555-605 (Medium) | Arithmetic, Mixture Problems

555-605 (Medium) | Arithmetic, Mixture Problems hide tags

amanvermagmat

06 Dec 2018, 01:58

13

2

3,995

by: SatvikVedala

10 Mar 2023, 22:41

Sarah and Michael ran from point A to point B, immediately turned and

555-605 (Medium) | Distance and Speed Problems

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

amanvermagmat

12 May 2018, 22:30

3

2

1,822

by: sanjayparihar16

03 Mar 2023, 23:49

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A rectangular tank of dimensions 35 inches, 16 inches and 'X' inches

705-805 (Hard) | Geometry, Word Problems

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

amanvermagmat

07 Mar 2018, 03:31

4

3

2,271

by: SaquibHGMATWhiz

09 Jan 2023, 22:51

Truck T1 gives an average of M1 miles per gallon of petrol while truck

805+ (Hard) | Arithmetic, Distance and Speed Problems

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

amanvermagmat

13 Jul 2018, 11:03

10

4

2,793

by: bumpbot

05 Nov 2022, 08:18

ER

X and Y are non zero integers. What is the value of|

705-805 (Hard) | Absolute Values, Number Properties

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

amanvermagmat

28 Nov 2018, 08:08

12

3

2,240

by: chetan2u

18 Oct 2022, 20:00

What is the angle between the two lines L1 and L2, if both lines L1

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

amanvermagmat

18 May 2018, 11:21

5

3,837

by: bumpbot

18 Oct 2022, 19:06

N is a positive number with exactly two digits after decimal, and M is

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

amanvermagmat

01 May 2018, 11:09

1

2

1,330

by: bumpbot

18 Oct 2022, 17:36

Pipes X and Y are inlet pipes attached to a tank, and these pipes fill

505-555 (Easy) | Work and Rate Problems

505-555 (Easy) | Work and Rate Problems hide tags

amanvermagmat

09 Jun 2018, 11:34

9

5

3,223

by: bumpbot

18 Oct 2022, 16:58

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What is the measure of angle A of hexagon ABCDEF? (1) For hexagon AB

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

amanvermagmat

16 May 2018, 22:23

7

4

2,609

by: dushyant099

25 Aug 2022, 10:29

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A team played more than 50 and less than 60 matches in an entire year.

705-805 (Hard) | Arithmetic

705-805 (Hard) | Arithmetic hide tags

amanvermagmat

11 May 2018, 01:52

7

3

2,073

by: SaquibHGMATWhiz

22 Aug 2022, 21:50

Two circles C1 and C2 have centres as O1 and O2 respectively, and the

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

amanvermagmat

08 Jan 2019, 22:53

3

5

3,612

by: bumpbot

17 Aug 2022, 11:38

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ABCDEF is a regular hexagon with its vertices as A, B, C, D, E , F in

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

amanvermagmat

13 Jul 2018, 10:54

7

5

6,735

by: bumpbot

16 Aug 2022, 18:16

ER

What is the arithmetic mean of 3x and 4y? (1) y/3 - x/4 = 4/3

555-605 (Medium) | Algebra, Arithmetic

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

amanvermagmat

12 Mar 2018, 04:26

2

4

2,670

by: bumpbot

06 Aug 2022, 06:53

Is the positive integer X a prime number? (1) X is a factor of anothe

555-605 (Medium) | Multiples and Factors

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

amanvermagmat

06 Aug 2018, 10:52

2

1,492

by: bumpbot

02 Aug 2022, 18:23

Is the measure of two exterior angles of a triangle PQR, each equal to

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

amanvermagmat

12 Apr 2018, 22:45

18

8

4,349

by: bumpbot

30 Jun 2022, 10:58

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Is triangle ABC isosceles? (1) Angle ABC is greater than 90 degrees.

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

amanvermagmat

07 Jun 2018, 05:24

9

8

2,982

by: bumpbot

29 Jun 2022, 16:01

ER

A trapezoid ABCD has sides BC and AD parallel to each other, while AB

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

amanvermagmat

17 Jul 2018, 23:43

4

5,775

by: Kushchokhani

10 Jun 2022, 08:03

N is the sum of X consecutive positive integers, is N divisible by 5?

505-555 (Easy) | Multiples and Factors, Number Properties

505-555 (Easy) | Multiples and Factors, Number Properties hide tags

amanvermagmat

16 Jul 2018, 11:18

2

3

2,299

by: AritraKundu

08 May 2022, 20:08

A list of positive numbers 'L' has all integer values. What is the

705-805 (Hard) | Statistics and Sets Problems

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

amanvermagmat

15 Jan 2019, 22:04

5

8

2,529

by: OfCourse

07 May 2022, 01:48

ER

A club has 80 members, each of which practice one or more of tennis,

805+ (Hard) | Overlapping Sets

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amanvermagmat

08 Dec 2018, 22:58

12

3

2,941

by: bumpbot

04 May 2022, 09:51

A circle with center O has a chord CD inside it, such that points C an

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

amanvermagmat

22 Jul 2018, 10:50

4

3

1,781

by: bumpbot

11 Apr 2022, 02:15

What is x% of y? (1) x% more than y is 69 (2) x% less than y is 51

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

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

amanvermagmat

05 Mar 2018, 04:58

14

4

3,385

by: bumpbot

22 Mar 2022, 18:19

ER

X, Y, Z are integers. Is 3*X > Z? (1) X + 2*Y > 3*Z (2) 2*Z > 2*Y - X

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

amanvermagmat

26 Mar 2018, 01:20

4

3

1,616

by: bumpbot

10 Mar 2022, 09:40

Danny and Swati each receive a certain fixed salary and a variable sal

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

amanvermagmat

25 Apr 2018, 11:31

2

3

2,189

by: bumpbot

31 Jan 2022, 01:05

If a, b, c, d are four integers such that a < b < c < d, Is d-c = c-b

705-805 (Hard) | Number Properties, Statistics and Sets Problems

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

amanvermagmat

28 Jun 2018, 11:41

5

3

2,584

by: bumpbot

02 Dec 2021, 08:36

A rectangle ABCD has E, F, G and H as mid-points of its sides AB, BC,

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

amanvermagmat

15 Aug 2018, 11:15

6

3

6,041

by: bumpbot

06 Nov 2021, 10:36

ER

A triangle and a circle lie in the same plane. Is this circle the

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

amanvermagmat

17 Jan 2019, 22:00

4

2

2,447

by: amoghhlgr

25 Oct 2021, 21:56

ER

x and y are real numbers. Is y negative? (1) x^y > 0 (2) y^x > 0

555-605 (Medium) | Exponents, Number Properties

555-605 (Medium) | Exponents, Number Properties hide tags

amanvermagmat

26 Jul 2018, 22:13

12

4

2,801

by: bumpbot

20 Oct 2021, 21:29

ER

x, y, z are three distinct positive numbers. Which is the greatest num

605-655 (Medium) | Inequalities, Number Properties

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

amanvermagmat

17 Mar 2018, 00:02

3

5

5,719

by: bumpbot

06 Oct 2021, 00:49

ER

Is quadrilateral PQRS a parallelogram? (1) P, Q, R, S are the mid-poi

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

amanvermagmat

25 Jun 2018, 11:06

20

4

3,508

by: bumpbot

23 Sep 2021, 22:50

What is the value of positive integer N? (1) Sum of N consecutive po

705-805 (Hard) | Arithmetic, Sequences

705-805 (Hard) | Arithmetic, Sequences hide tags

amanvermagmat

08 May 2018, 23:23

23

8

3,989

by: bumpbot

13 May 2021, 03:28

If P and Q are non zero integers, is P+Q even? (1) P^Q < 0 (2) 3*P

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

amanvermagmat

26 Jul 2018, 11:49

4

3

2,612

by: bumpbot

07 May 2021, 06:18

ER

ABC is an equilateral triangle with point D on line BC such that AD =

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

amanvermagmat

17 Jul 2018, 23:22

2

3

2,436

by: CEdward

16 Feb 2021, 23:47

A regular convex polygon has 'n' sides. What is the value of n?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

amanvermagmat

25 Jun 2018, 11:02

9

4

2,841

by: bumpbot

08 Feb 2021, 21:05

ER

A set has N distinct integers. Is the sum of all these N integers nega

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

amanvermagmat

13 Mar 2019, 12:11

2

3

2,172

by: bumpbot

16 Nov 2020, 20:38

ER

Each boy does exactly 2 units of work per day and each girl does

555-605 (Medium) | Arithmetic, Work and Rate Problems

555-605 (Medium) | Arithmetic, Work and Rate Problems hide tags

amanvermagmat

09 Jun 2018, 11:22

8

3

2,995

by: bumpbot

31 Oct 2020, 20:08

W1 and W2 are two sets containing integers only. If an integer X is

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

amanvermagmat

15 Mar 2018, 23:30

5

6

2,831

by: bumpbot

25 Sep 2020, 06:36