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

79,076

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

188,730

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

488,294

by: bb

29 Aug 2025, 13:27

ER

Is ay < 2y + x (a - 2)? (1) x > y (2) a > 2

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

ifteec464

26 Sep 2020, 01:11

3

2

1,190

by: TestPrepUnlimited

27 Sep 2020, 16:42

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If a + b + c = 50, what is the value of a ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

22 Feb 2018, 21:08

3

8

3,065

by: MathRevolution

18 Sep 2020, 05:59

ER

If m and n are positive integers, is m greater than n ?

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

15 Sep 2020, 04:30

3

4

3,694

by: Akp880

15 Sep 2020, 06:12

ER

Given z > 0, is x*z > 0? (1) xz = 3x (2) xz = -3x

655-705 (Hard) | Algebra, Inequalities

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

Bunuel

11 Dec 2018, 02:05

3

5

2,999

by: bumpbot

12 Sep 2020, 21:47

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In a jar there are 15 white balls, 25 red balls, 10 blue balls..

Poor Quality

Poor Quality hide tags

k24Moriarty

05 Sep 2020, 15:20

3

2

3,704

by: naveenban2

10 Sep 2020, 13:55

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Is xy > 1? (1) x > 1/y (2) y is positive

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

kawal27

01 Sep 2020, 12:16

3

1,346

by: IanStewart

02 Sep 2020, 07:22

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Is |a| = b - c ? (1) a + c does not equal b (2) a < 0

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

rjkaufman21

20 Sep 2011, 08:04

3

10

4,176

by: bumpbot

28 Aug 2020, 16:02

ER

Is a^2 greater than b^2?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

suminha

17 Aug 2020, 22:02

3

2,565

by: IanStewart

18 Aug 2020, 12:26

ER

Is the value of expression k – m + 1 greater than the

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

elegan

26 Oct 2012, 04:29

3

5

4,829

by: bumpbot

01 Aug 2020, 02:07

ER

Is x = 9?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

rockroars

10 Nov 2010, 04:53

3

4

3,706

by: bumpbot

28 Jul 2020, 03:52

A line l in the xy-coordinate system passes through the origin and poi

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

TheUltimateWinner

27 Jul 2020, 10:00

3

1

1,327

by: Siak0730

27 Jul 2020, 11:34

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Is x = √8 ? (1) x^2 − 4√2*x + 8 = 0 (2) x^2 + 2√2 *x − 16 = 0

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

27 Jul 2020, 03:09

3

6

2,299

by: KaramveerBakshi

27 Jul 2020, 07:36

ER

Is d > e?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

GMATBusters

25 Jul 2020, 19:08

3

9

2,451

by: dishra

26 Jul 2020, 15:22

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For the set of measurements 3, x2, x3, what is the value of x3 ? (1) T

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Poor Quality hide tags

Sajjad1994

18 Feb 2019, 11:55

3

5

2,377

by: bumpbot

26 Jul 2020, 14:11

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If x/2 + y = z, what is the value of z ?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

25 Sep 2017, 00:08

3

5

2,176

by: bumpbot

14 Jul 2020, 07:48

ER

Is integer x divisible by 3? (1) When x is divided by 5, the remainder

555-605 (Medium) | Multiples and Factors, Remainders

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

Bunuel

03 Jun 2018, 11:21

3

4

3,002

by: bumpbot

13 Jul 2020, 14:13

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What is the value of x^2 – 5xy + 6y^2? (1) 3y - x = 0 (2) 2x - y = 0

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Russ19

07 Jul 2020, 00:59

3

2

1,751

by: IanStewart

07 Jul 2020, 05:32

ER

Is x a positive integer?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

chetan2u

29 Jun 2020, 23:32

3

2

2,227

by: RaghavKhanna

30 Jun 2020, 00:09

ER

If a and b are greater than 0, a is what percent greater than b?

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

coreyander

28 Jun 2020, 12:21

3

4

2,597

by: chetan2u

28 Jun 2020, 23:24

ER

Find the unit digit of 19^x + 27^y?

655-705 (Hard) | Exponents, Number Properties

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

GMATinsight

27 Jun 2020, 23:41

3

7

1,787

by: GMATinsight

28 Jun 2020, 00:39

ER

Amari, Belen, and Chiaki all make purchases from the same vendor at an

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

21 Mar 2018, 05:43

3

7

1,889

by: Papist

25 Jun 2020, 10:15

ER

The X boys and Y girls in a certain class took a math test.

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

fozzzy

17 Sep 2013, 01:59

3

4

3,966

by: bumpbot

24 Jun 2020, 06:55

ER

If p is a positive number, is p > 4 ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

20 Jun 2020, 04:43

3

2

1,829

by: chetan2u

20 Jun 2020, 05:03

ER

Abraham is a member of the Board of Directors for a certain company..

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

asterias

16 Jun 2020, 11:16

3

2

2,473

by: mSKR

18 Jun 2020, 07:19

ER

How many buses are required to transport 175 students to the museum?

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Sajjad1994

15 Jun 2020, 23:40

3

2,257

by: mSKR

17 Jun 2020, 00:43

ER

A certain salad dressing made only of oil and vinegar is premixed and

Sub 505 (Easy) | Mixture Problems

Sub 505 (Easy) | Mixture Problems hide tags

Bunuel

26 Jul 2016, 09:49

3

5

5,524

by: puneet1997

15 Jun 2020, 08:59

ER

Did the XYZ Corporation have higher sales in 1988 or in 1989? Assume

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

17 Oct 2017, 08:16

3

5,904

by: bumpbot

11 Jun 2020, 04:53

ER

How far is A from C?

Sub 505 (Easy) | Distance and Speed Problems

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

kashishh

20 Jun 2012, 12:14

3

8

6,883

by: bumpbot

03 Jun 2020, 09:51

ER

If r, s and t are numbers, is r = 60 ?

Sub 505 (Easy) | Statistics and Sets Problems

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

Sajjad1994

30 May 2020, 05:01

3

4,798

by: GMATinsight

30 May 2020, 07:11

ER

Out of the 500 GMAT aspirants who registered on the e-GMAT website a

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

Bunuel

20 May 2020, 03:11

3

5

2,097

by: danikin

23 May 2020, 20:21

If John is exactly twice as old as Mark,how old is John?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

cfc198

28 Dec 2018, 12:11

3

2

1,763

by: bumpbot

23 May 2020, 07:43

ER

What is the value of 2P + Q0, where P is the units digit and Q is the

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Eduardo86

21 May 2020, 06:31

3

1,695

by: Eduardo86

21 May 2020, 09:16

ER

If x > 0, what is the value of x? (1) x is equal to half of its square

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

20 May 2020, 09:33

3

5

1,991

by: NitishJain

21 May 2020, 00:23

ER

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

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

15 Feb 2018, 23:32

3

6

3,933

by: bumpbot

19 May 2020, 10:39

ER

If a, b, c and d are positive consecutive multiples, not necessarily

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

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

Bunuel

13 May 2020, 06:41

3

2

1,962

by: Shishou

14 May 2020, 14:28

ER

If x is an integer between 0 and 10 is y less than the average of x an

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

12 May 2020, 02:49

3

4

3,592

by: sambitspm

13 May 2020, 04:47

ER

If both x and y are integers, is (x^2 − y^2)^(1/2) an integer?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

11 Jul 2019, 05:24

3

5

4,019

by: bumpbot

07 May 2020, 07:47

ER

Is 5m^k > 50k?

505-555 (Easy) | Exponents, Inequalities

505-555 (Easy) | Exponents, Inequalities hide tags

Bunuel

04 Jan 2017, 01:59

3

4

2,993

by: bumpbot

05 May 2020, 23:36

A triangle ABC has points D and E which lie on sides AB and AC respect

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

amanvermagmat

28 Jun 2018, 11:27

3

2

2,838

by: Shishou

25 Apr 2020, 07:04

ER

If m and n are positive integers and

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

MathRevolution

26 Jul 2018, 01:44

3

5

2,725

by: rsmalan

22 Apr 2020, 00:31

Is the positive integer p even? (1) p^2 + p is even (2) 4p + 2 is even

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

jaison6101

18 Apr 2020, 18:38

3

6,780

by: LeoN88

19 Apr 2020, 19:51

ER

if r,n, and s are nonzero numbers How many integers n are there such t

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

GMATBusters

18 Apr 2020, 05:02

3

2

1,417

by: sauravleo123

19 Apr 2020, 00:12

ER

Is r^6*s^3*t^4 negative?

655-705 (Hard) | Inequalities, Number Properties

655-705 (Hard) | Inequalities, Number Properties hide tags

GMATBusters

18 Apr 2020, 06:56

3

7

1,699

by: sauravleo123

18 Apr 2020, 11:55

ER

If x, a 3-digit number, is sum of two 2-digit numbers, y and z, then w

655-705 (Hard) | Arithmetic, Number Properties

655-705 (Hard) | Arithmetic, Number Properties hide tags

chetan2u

17 Apr 2020, 00:34

3

2

2,165

by: chetan2u

17 Apr 2020, 05:54

ER

Is the quadrilateral ABCD a square?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Enchanting

13 Apr 2020, 12:35

3

2

1,803

by: GMATinsight

13 Apr 2020, 23:05

In the xy-coordinate plane shown below, if xy≠0, then the

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

TheUltimateWinner

10 Apr 2020, 08:23

3

1,344

by: minustark

10 Apr 2020, 11:21

ER

If x and y are positive integers, when x^4-y^4 is divided by 4,

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

MathRevolution

10 Oct 2016, 06:04

3

2,156

by: bumpbot

10 Apr 2020, 04:22

ER

What is the measure of angle SQR in the figure above?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

07 Feb 2018, 06:03

3

7

4,211

by: Bunuel

09 Apr 2020, 13:47

ER

x and y are consecutive integers, and x < y. What is the value of x?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

06 Dec 2017, 00:36

3

4

2,472

by: bumpbot

07 Apr 2020, 05:57

ER

The inside of a rectangular carton is 90 centimeters long, 45 centimet

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

14 Sep 2018, 02:03

3

5

2,106

by: bumpbot

03 Apr 2020, 10:06