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

179

15

79,212

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

857

24

188,816

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

488,441

by: bb

29 Aug 2025, 13:27

ER

A box contains only pens, pencils, and pads. If an item is randomly se

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

Bunuel

16 Aug 2019, 01:47

6

3,435

by: Bunuel

17 Sep 2019, 05:10

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If a and b are integers, is a < 0?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

28 Apr 2016, 04:48

3

9

3,435

by: fskilnik

26 Sep 2018, 13:23

ER

If p,q are distinct and greater than 1, p + q =

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

pushpitkc

02 Mar 2019, 01:26

10

5

3,434

by: bumpbot

07 Jan 2024, 02:26

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Is the slope of Line K positive ?

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

nevilpat1

08 Sep 2014, 10:50

2

3,434

by: SalahT

25 Sep 2021, 05:34

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Is John older than Ricardo? (1) John is twice as old as Edgar, and Ed

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

19 Feb 2021, 10:04

2

3

3,434

by: Bunuel

05 Mar 2021, 05:15

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If c is a constant and x is a variable, what is the value of c in the

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

06 Jan 2021, 06:37

3

3,434

by: bond001

26 Jan 2021, 02:06

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A certain theater has 4 type of seats: stall, side, balcony, and box.

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

arinamdar

02 Jul 2024, 02:53

6

2

3,433

by: bumpbot

20 Aug 2025, 07:34

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If x is an integer, what is the value of |x-5|?

655-705 (Hard) | Absolute Values +2 tags

655-705 (Hard) | Absolute Values, Algebra, Number Properties hide tags

chetan2u

27 Sep 2021, 11:41

6

4

3,433

by: bumpbot

17 Jan 2024, 21:06

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What is the value of (u + v)? (1) 2w − 7 = 0 (2) u + v − 3w = 11

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

22 Jan 2016, 10:25

1

2

3,433

by: BrentGMATPrepNow

19 Nov 2017, 16:03

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In a certain mixture of oil and vinegar, additional vinegar was added

555-605 (Medium) | Mixture Problems

555-605 (Medium) | Mixture Problems hide tags

Bunuel

03 Feb 2017, 08:12

6

4

3,432

by: bumpbot

26 Nov 2020, 00:42

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If c and k are distinct positive integers, is c divisible by

Poor Quality

Poor Quality hide tags

gmatpapa

24 Jan 2011, 01:01

8

2

3,432

by: gmatpapa

24 Jan 2011, 03:38

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Is the slope of Line L positive?

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

GMATinsight

23 Jul 2015, 07:03

6

3

3,431

by: bumpbot

06 May 2017, 06:53

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If x ≠ y and x and y are non-zero integers, is (x+y)/(x−y)>0?

705-805 (Hard) | Absolute Values, Inequalities

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

Bunuel

29 Apr 2016, 03:57

16

5

3,429

by: bumpbot

02 Jan 2025, 09:27

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If x and y are positive integers, what is the remainder when

555-605 (Medium) | Exponents, Remainders

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

MathRevolution

25 May 2018, 02:38

10

8

3,429

by: Basshead

27 Oct 2020, 10:05

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The mean of a set of n consecutive positive integers is m1. One of the

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

06 Dec 2019, 03:05

17

6

3,429

by: kiendt

08 Dec 2019, 07:14

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If w1x1=y1z1, w2x2=y2z2, and w2<w1, i

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

MathRevolution

24 Feb 2016, 22:13

4

5

3,429

by: bumpbot

17 Jun 2019, 12:46

ER

If l and w represent the length and width, respectively, of the rectan

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

GMATinsight

09 Sep 2015, 11:35

5

4

3,429

by: BillNella89

01 Mar 2018, 05:31

ER

Tom is going to move, he has three kinds of boxes: large, medium, and

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

30 Dec 2020, 03:00

17

3

3,428

by: bumpbot

10 Jan 2026, 00:30

ER

A regular polygon is partially obscured by a box. (Dotted lines show t

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

03 Sep 2020, 00:30

13

5

3,428

by: bumpbot

03 May 2023, 08:44

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Is the product of x and y greater than the sum of x and y? (1) xy < 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

03 Jun 2018, 11:14

7

2

3,428

by: bumpbot

05 Oct 2022, 05:03

ER

If x is a positive integer less than 10, and x + 2 is a prime number,

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

12 Dec 2018, 04:52

2

5

3,428

by: surendrasaini1

12 Dec 2018, 11:14

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If Q is a positive odd integer, find the remainder when Q is divided b

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

rheam25

08 Feb 2020, 05:35

12

2

3,427

by: bumpbot

06 Nov 2025, 10:51

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Is pqrst > 0 ? (1) p - qrst = 0 (2) pqr/st > 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

aarish2102

10 Jul 2022, 06:48

9

4

3,426

by: bumpbot

08 Aug 2024, 01:32

ER

What is the X intercept of non horizontal line m? (1) The slope of m

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

Bunuel

24 Mar 2022, 01:30

19

4

3,426

by: bumpbot

22 Apr 2023, 12:25

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Is c^(abcd) = 1? (1) |a| > |b| > |c| > |d| (2) c^d > 3

705-805 (Hard) | Absolute Values +2 tags

705-805 (Hard) | Absolute Values, Exponents, Inequalities hide tags

Bunuel

02 Dec 2019, 01:19

13

2

3,425

by: chetan2u

03 Sep 2023, 00:09

ER

One cylinder stands inside another cylinder, what is the volume of the

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

09 Sep 2018, 08:52

1

2

3,425

by: CEdward

05 Apr 2021, 15:21

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What is the maximum possible radius of the circle C which has centre a

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

GMATinsight

05 Jun 2017, 23:09

7

5

3,424

by: bumpbot

14 Oct 2023, 03:11

ER

Mr. Mike took a two-day automobile trip. What was her average speed in

505-555 (Easy) | Work and Rate Problems

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

Bunuel

31 Aug 2020, 00:13

3

6

3,424

by: RohitSaluja

14 Jan 2021, 20:47

ER

What was Caseys total score for eighteen holes of golf?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

03 Nov 2022, 06:01

3

2

3,422

by: bumpbot

24 Dec 2024, 03:04

ER

If Z is represented by the decimal 0.W7, what is the digit W?

555-605 (Medium) | Fractions and Ratios

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

Bunuel

28 Aug 2016, 10:36

4

3,422

by: bumpbot

12 Jun 2021, 07:53

ER

If x and y are positive integers and 18 is a multiple of x*y^2, what

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

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

Bunuel

01 Oct 2018, 04:35

5

2

3,421

by: GMATWhizTeam

15 Feb 2020, 01:14

ER

If |a – b| = c, what is the value of a?

Sub 505 (Easy) | Absolute Values

Sub 505 (Easy) | Absolute Values hide tags

Bunuel

06 Nov 2016, 09:09

8

3

3,421

by: bumpbot

13 Sep 2018, 08:22

ER

What is the value of p^8 - q^8 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

01 Feb 2018, 23:56

6

7

3,420

by: KanishkM

19 Feb 2019, 03:15

ER

In a zoo, the ratio of elephants to lions is same as lions to deer. If

805+ (Hard) | Fractions and Ratios, Number Properties

805+ (Hard) | Fractions and Ratios, Number Properties hide tags

chetan2u

16 Jul 2017, 01:30

3

13

3,420

by: srikanth9502

17 Jul 2017, 04:15

ER

If a + b + c > 0, is c > 2?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

tjerkrintjema

10 Jun 2015, 04:35

17

5

3,419

by: bumpbot

24 Mar 2025, 23:41

ER

2x – y =

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

vikasp99

06 Mar 2017, 05:08

2

10

3,419

by: bumpbot

09 Jun 2024, 19:35

ER

If x and y are positive integers, what is the units digit of 3^(4x+2y+

555-605 (Medium) | Exponents, Number Properties

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

Bunuel

30 Dec 2019, 13:08

11

8

3,418

by: bumpbot

30 Oct 2023, 14:46

The recipe for Bread X requires 4 cups of flour and 1 tbsp of yeast. T

805+ (Hard) | Inequalities +2 tags

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

abrutlag

05 Jul 2020, 10:52

12

4

3,417

by: bumpbot

24 Jun 2025, 12:08

ER

In a conference, if each of the 1230 participants ordered for either

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

25 Oct 2018, 02:09

7

6

3,417

by: bumpbot

02 Feb 2023, 08:26

ER

For positive integer n, is 12 a factor of n?

505-555 (Easy) | Multiples and Factors

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

MathRevolution

11 May 2017, 01:24

5

3

3,416

by: bumpbot

19 Nov 2023, 10:25

ER

If a is an integer, is b an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

30 Jul 2016, 03:03

3

3,415

by: bumpbot

31 Oct 2021, 01:32

ER

Is m-n > 0?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

GMATBusters

01 Feb 2020, 19:00

2

12

3,414

by: J2S2019

02 Feb 2020, 06:32

ER

Around the World in 80 Questions (Day 10): If a and b are positive

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

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

Bunuel

28 Jul 2023, 08:00

28

3

3,413

by: vedha0

28 Jul 2023, 10:00

ER

If n is a positive integer, then is (n + 1)(n + 3) a multiple of 4?

605-655 (Medium) | Multiples and Factors, Number Properties

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

Bunuel

06 Sep 2019, 10:56

3

3,411

by: bumpbot

30 Jan 2024, 08:49

ER

If x is a positive integer, does the remainder, when (7^x + 1) is divi

555-605 (Medium) | Exponents, Remainders

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

Bunuel

01 Oct 2018, 04:55

11

3

3,411

by: auradediligodo

13 Oct 2019, 12:13

ER

In the diagram above, line JX is parallel to line KY. If the area of t

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

10 Feb 2017, 09:48

4

3,411

by: bumpbot

08 Apr 2018, 07:21

ER

If x and y are positive integers, is x% of y > y?

655-705 (Hard) | Inequalities, Percent and Interest Problems

655-705 (Hard) | Inequalities, Percent and Interest Problems hide tags

BrentGMATPrepNow

16 Jun 2021, 06:48

9

4

3,410

by: bumpbot

14 Apr 2025, 11:46

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If p and q are two nonzero integers, is p^q > q^p ?

605-655 (Medium) | Exponents, Inequalities

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

Bunuel

28 Jul 2020, 02:45

8

9

3,410

by: bumpbot

26 Jul 2023, 05:01

ER

If A is the centre of the circle, what is the value of x ?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

28 Feb 2020, 02:03

10

3,410

by: bumpbot

28 Apr 2021, 11:21

ER

Is a positive? (1) a – a = 0 (2) a + a = 2a

505-555 (Easy) | Algebra, Number Properties

505-555 (Easy) | Algebra, Number Properties hide tags

Bunuel

01 Dec 2016, 01:59

3

2

3,410

by: Dev1212

03 Dec 2016, 06:57