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

78,673

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

188,492

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

487,882

by: bb

29 Aug 2025, 13:27

ER

If A is a prime number, what is the value of A?

655-705 (Hard) | Multiples and Factors, Number Properties

655-705 (Hard) | Multiples and Factors, Number Properties hide tags

Bunuel

18 Jul 2016, 08:16

3

10

2,656

by: stonecold

21 Aug 2016, 08:57

ER

Is 0 > ab?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

30 Dec 2014, 07:44

11

3,543

by: HKD1710

21 Aug 2016, 06:16

ER

Daniel rides to school each day on a path that takes him first to a

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

01 Jul 2016, 04:22

2

4

2,313

by: Bunuel

18 Aug 2016, 10:30

ER

What is the value of 12/5^p?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

14 Aug 2016, 07:13

1

3

2,053

by: MarkusKarl

14 Aug 2016, 15:38

ER

If y≠0 and y≠-1, is x/y > x/(y+1)?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

jimmylow

14 Aug 2016, 06:14

3

5

3,453

by: Bunuel

14 Aug 2016, 06:15

ER

What is the value of f^2 – g^2?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

12 Aug 2016, 08:47

2

2,210

by: Manonamission

12 Aug 2016, 10:33

ER

What is the ratio of 2a to b?

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

Bunuel

11 Aug 2016, 06:56

1

2

3,809

by: AbdurRakib

11 Aug 2016, 13:34

ER

Is -3x^3 < -3?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

21 Jan 2015, 03:03

4

6

3,255

by: DAllison2016

04 Aug 2016, 12:25

ER

John, Paul and Linda drove on a 1,500 mile trip. If they shared the...

655-705 (Hard) | Distance and Speed Problems

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

EBITDA

01 Aug 2016, 09:53

1

2,908

by: Bunuel

01 Aug 2016, 09:58

ER

If a / b > 2, is 3a + 2b < 18?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

EBITDA

31 Jul 2016, 10:48

5

6

2,579

by: Bunuel

01 Aug 2016, 02:00

ER

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

555-605 (Medium) | Multiples and Factors

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

EBITDA

31 Jul 2016, 08:23

2

9

2,806

by: Bunuel

01 Aug 2016, 00:17

ER

If X and Y are both integers different from zero, what is the value of

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

20 Jul 2016, 11:42

6

1,969

by: shravan2025

30 Jul 2016, 09:13

ER

A hexagonal playing field is composed of six equilateral triangles, ea

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

22 Jan 2016, 10:26

2

1,696

by: rohit8865

30 Jul 2016, 05:53

ER

If P and Q are both positive, what is the value of P?

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

30 Jul 2016, 03:06

2

3,492

by: shashank1tripathi

30 Jul 2016, 05:09

ER

How much water (in grams) should be added to a 35%-solution of acid to

555-605 (Medium) | Mixture Problems

555-605 (Medium) | Mixture Problems hide tags

abhi758

17 Aug 2009, 08:09

37

7

21,230

by: Bunuel

30 Jul 2016, 02:33

ER

Is K an integer? (1) K=P/Q, where P and Q are consequtive

Poor Quality

Poor Quality hide tags

stolyar

15 May 2003, 05:09

1

10

5,049

by: bumpbot

28 Jul 2016, 19:45

ER

What is the value of n?

505-555 (Easy) | Algebra, Inequalities

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

Bunuel

26 Jul 2016, 10:00

3

2,846

by: Skywalker18

26 Jul 2016, 20:00

ER

What is the value of (X^2 + Y^2)?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

18 Jul 2016, 08:12

2

1,893

by: Chakolate

26 Jul 2016, 15:07

ER

Is N divisible by 24?

505-555 (Easy) | Multiples and Factors

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

stonecold

20 Jul 2016, 09:36

2

2,131

by: abhimahna

20 Jul 2016, 11:10

ER

A circle and a straight line are drawn on the same coordinate graph.

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

27 Aug 2022, 03:19

4

8

3,358

by: LogicGuru1

19 Jul 2016, 10:56

ER

If X and Y are positive integers, is X greater than Y?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

18 Jul 2016, 08:26

2

1,688

by: jasimuddin

18 Jul 2016, 21:49

ER

If X and Y are positive integers, what is the ratio between Y and X?

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

Bunuel

18 Jul 2016, 08:09

2

2,198

by: BrentGMATPrepNow

18 Jul 2016, 08:32

ER

Is a/b >0? (1) ab > 0 (2) b/a > 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Creeper300

07 Nov 2010, 13:40

3

2

4,137

by: LogicGuru1

18 Jul 2016, 04:13

ER

How many degrees is angle e?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

17 Jan 2016, 12:20

1

3

2,913

by: ravi2107

17 Jul 2016, 11:41

ER

What is the median of the series S_1, S_2, S_3,, S_n where

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EBITDA

16 Jul 2016, 05:39

3

5

2,489

by: pallaviisinha

17 Jul 2016, 09:06

ER

If x^2 = y^2, what is the value of x-y?

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EBITDA

12 Jul 2016, 01:40

7

4

5,438

by: Bunuel

16 Jul 2016, 14:52

ER

What is the value of (a+b)?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

08 Jul 2016, 07:55

3

5

2,390

by: Bunuel

16 Jul 2016, 11:54

If a number is drawn at random from the first 1000 positive

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GMATT73

23 Nov 2005, 07:19

75

14

26,643

by: Nevernevergiveup

12 Jul 2016, 22:53

ER

What is the value of a^2 - 2a + b^2?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

EBITDA

12 Jul 2016, 09:26

2

15

2,256

by: HARRY113

12 Jul 2016, 21:14

ER

Is abc = 2?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

13 Nov 2014, 09:40

6

5

4,356

by: manojach87

12 Jul 2016, 18:35

ER

What is the value of X+Z? (1) X+Y=11 (2) Z+Y=13

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

08 Jul 2016, 07:56

1

6

3,602

by: hsbinfy

09 Jul 2016, 06:45

ER

Tom was born on October 28th. On what day of the week was he born?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

07 Mar 2016, 11:36

1

5

2,823

by: rhine29388

01 Jul 2016, 03:11

ER

If Tom invest $x April at a constant monthly interest rate of y percen

555-605 (Medium) | Percent and Interest Problems

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

MathRevolution

26 Jun 2016, 18:29

1

3

2,276

by: Divyadisha

29 Jun 2016, 13:55

ER

ABC and PQR are both triangles. Is the area of triangle ABC

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

nafishasan60

06 Feb 2012, 01:27

5

6

15,097

by: bumpbot

27 Jun 2016, 10:55

ER

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

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

26 May 2016, 11:37

2

5

2,983

by: rhine29388

27 Jun 2016, 06:07

ER

Is rectangle ABCD a square?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

24 Jun 2016, 03:24

8

9

5,193

by: HKD1710

25 Jun 2016, 14:07

ER

x equals to y% of what number? (1) x = 3y (2) 6y + 2x = 56x/14

555-605 (Medium) | Percent and Interest Problems

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

craky

27 Jan 2011, 02:38

5

5,169

by: Nightfury14

24 Jun 2016, 11:44

ER

What is the value of P?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

23 Jun 2016, 02:13

5

2,467

by: Nightfury14

23 Jun 2016, 03:54

ER

Is B an integer? (1) B^3 is an integer

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

rxs0005

04 Feb 2012, 18:35

7

2

3,324

by: bumpbot

20 Jun 2016, 22:41

ER

If P is an integer, is

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VenoMfTw

20 Jun 2016, 04:05

3

1,499

by: chetan2u

20 Jun 2016, 07:41

ER

If x > 1, what is the value of x?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

melguy

02 Jun 2011, 18:35

5

6

3,579

by: Bunuel

19 Jun 2016, 09:47

ER

How many integers n are there such than v < n < w ?

555-605 (Medium) | Arithmetic, Number Properties

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

BN1989

14 Jun 2019, 03:47

42

5

9,923

by: Bunuel

19 Jun 2016, 09:33

ER

Is the sum of 6 integers odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

LM

19 Sep 2017, 09:21

4

3

3,972

by: bumpbot

14 Jun 2016, 20:52

ER

If x > 0, is y < 0?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

AbdurRakib

10 Jun 2016, 12:18

1

2

2,226

by: hsbinfy

11 Jun 2016, 00:57

ER

What is the value of x + y? (1) Line A || Line C (2) Line B || Line D

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

MathRevolution

07 Jun 2016, 19:03

2

4

1,922

by: MathRevolution

09 Jun 2016, 20:45

ER

If m is a positive integer less than 200, what is the greatest prime f

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MathRevolution

06 Jun 2016, 21:49

1

6

1,792

by: Daanu

08 Jun 2016, 11:58

ER

James and Andrea take a trip in Andrea's car.

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Gnpth

14 Jul 2014, 09:55

7

5

6,896

by: Kurtosis

06 Jun 2016, 04:44

ER

What is the measurement of A + B of a triangle shown as above figure?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

MathRevolution

01 Jun 2016, 06:44

1

2,278

by: MathRevolution

05 Jun 2016, 05:48

ER

In a party, 70% of the people like at least one of two type of drinks:

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jyotibrata

26 Dec 2015, 03:48

7

5

2,628

by: Bunuel

05 Jun 2016, 03:18

ER

2 circles have the same center and the smaller circle’s radius r is 5.

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

MathRevolution

29 May 2016, 20:54

3

4,625

by: MathRevolution

01 Jun 2016, 06:38