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

175

15

78,533

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

188,416

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

487,759

by: bb

29 Aug 2025, 13:27

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In a sequence of terms in which each term is three times the

505-555 (Easy) | Sequences

505-555 (Easy) | Sequences hide tags

hogann

18 Dec 2013, 10:20

2

5,203

by: Bunuel

18 Dec 2013, 10:21

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What is the value of b ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

avohden

22 Oct 2013, 22:00

5

3,059

by: Bunuel

01 Dec 2013, 07:21

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Is the integer z divisible by 6?

605-655 (Medium) | Multiples and Factors

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

restore

08 Aug 2011, 11:16

5

8

6,417

by: Bunuel

29 Nov 2013, 02:29

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If a and b are consecutive positive integers, and ab = 30x ,

705-805 (Hard) | Multiples and Factors

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

4test1

09 Nov 2009, 22:04

73

12

22,287

by: AccipiterQ

19 Nov 2013, 09:00

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Is rst = 1?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

sudhagar

07 Nov 2013, 02:08

15

6

19,804

by: Bunuel

07 Nov 2013, 02:10

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Is xy > 7 ? (1) x + y = 7 (2) 1 x 3 and 2 y 4

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

avohden

02 Nov 2013, 00:40

3

2

3,661

by: avohden

05 Nov 2013, 22:42

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Let denote a mathematical operation. Is it true that x y

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conty911

25 Apr 2012, 22:35

4

3

6,548

by: Bunuel

30 Oct 2013, 07:59

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By what percent is the time taken by 12 men to complete a pa

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tabsang

28 Dec 2012, 05:49

10

6

4,896

by: fmomen01

22 Oct 2013, 07:14

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If p/q > 5, is q < 2?

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jeeteshsingh

15 Oct 2013, 09:04

6

31,161

by: Bunuel

15 Oct 2013, 09:14

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Quadrilateral ABCD is a rhombus and points C, D, and E are

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

vscid

13 Oct 2013, 16:03

18

3

5,037

by: Bunuel

13 Oct 2013, 16:05

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While on a summer vacation in Hawaii, Carla goes for an ocea

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Smita04

10 Jul 2012, 20:16

4

3,716

by: jlgdr

12 Oct 2013, 10:32

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If a and b are positive, is (a^(-1) + b^(-1))^(-1) less than

655-705 (Hard) | Exponents, Inequalities

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

barakhaiev

11 Oct 2013, 06:44

4

3

4,178

by: Bunuel

11 Oct 2013, 06:46

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What is the value of (x + y)^4 ?

555-605 (Medium) | Algebra, Number Properties

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

GMAT TIGER

17 Oct 2009, 23:27

2

8

4,200

by: Bunuel

11 Oct 2013, 04:28

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

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

l0rrie

18 Mar 2011, 14:07

20

12

7,331

by: Bunuel

20 Sep 2013, 00:34

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p and q are different two-digit prime numbers with the same

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

cvsmech

28 Sep 2011, 14:06

41

9

33,876

by: Bunuel

08 Sep 2013, 07:00

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If x and y are both integers, which is larger, x^x or y^y?

655-705 (Hard) | Exponents, Inequalities

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

AnkitK

23 Jul 2011, 02:25

4

7

4,980

by: Bunuel

08 Sep 2013, 06:04

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A basic savings account pays interest once per year on Decem

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sehosayho

28 Aug 2013, 01:36

3

3,387

by: Bunuel

29 Aug 2013, 04:52

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In the sequence of non-zero numbers t1, t2,t3,......tn,.....

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

riks200

12 Jul 2008, 22:34

14

4

8,306

by: Bunuel

23 Aug 2013, 03:25

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The figure above shows the shape of a brick patio. If arc AB

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Asifpirlo

22 Aug 2013, 02:28

3

3,132

by: fameatop

22 Aug 2013, 03:16

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A CEO is building an extra-wide garage in which to park his

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Asifpirlo

21 Aug 2013, 17:56

2

3,611

by: fameatop

22 Aug 2013, 03:10

A pencil costs $3 and a pen costs $7. If pens and pencils

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innocous

16 Aug 2013, 08:36

3

2

3,214

by: zerosleep

19 Aug 2013, 07:21

The average weight of the students

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Gian

10 Aug 2013, 05:55

1

3

4,566

by: maaadhu

10 Aug 2013, 06:09

Jenifer, David and Steve are children of Mrs. Noris.

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Asifpirlo

05 Aug 2013, 11:35

1

3

3,057

by: Asifpirlo

05 Aug 2013, 11:34

A car is travelling in a constant speed to cover a distance

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karthiksms

28 May 2012, 11:54

5

6

5,413

by: WholeLottaLove

01 Aug 2013, 15:12

A non empty set S has less than four elements. How many

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innocous

25 Jul 2013, 07:25

4

2,323

by: Observer

25 Jul 2013, 12:40

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If x is an integer, is x/2 an even integer ?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

hb

01 Jan 2016, 06:54

10

2

12,903

by: hb

21 Jul 2013, 07:26

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George scored 85 on an exam. Did George do better than 90

555-605 (Medium) | Statistics and Sets Problems

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

josemnz83

07 Jul 2013, 08:57

5

8

4,888

by: Bunuel

17 Jul 2013, 05:47

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What is the value of (x - y)^4?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

eresh

03 Jul 2013, 00:34

2

8

6,099

by: Bunuel

03 Jul 2013, 00:37

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Three machines, K, M, and P, working simultaneously and

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

rajman41

01 Jun 2012, 21:01

10

3

6,132

by: Bunuel

01 Jul 2013, 00:03

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Five people - Adam, Bob, Craig, Daniel and Evan - are of dif

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Carcass

26 Jun 2013, 18:26

2

2,275

by: Bunuel

26 Jun 2013, 20:31

A runner starts running on a circular path of radius 'r'

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atalpanditgmat

18 Jun 2013, 22:16

4

3

7,781

by: mattce

20 Jun 2013, 09:03

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Is square root of a positive integer x an integer?

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

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

summer101

03 Jun 2013, 07:14

37

2

9,765

by: Bunuel

05 Jun 2013, 03:07

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What is the value of a+b ?

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summer101

02 Jun 2013, 05:07

2

2,043

by: Bunuel

02 Jun 2013, 10:45

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A home owner must pick between paint A, which costs $6.00

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gmac25

17 Aug 2009, 15:08

7

8

9,085

by: Bunuel

12 May 2013, 02:50

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What is the units digit of a^18?

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apoorvarora

09 Dec 2012, 07:56

6

14

4,272

by: walker

11 May 2013, 08:19

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The useful life of a certain piece of equipment is

555-605 (Medium) | Word Problems

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kairoshan

19 Nov 2009, 06:45

7

5

16,933

by: Bunuel

05 May 2013, 04:21

An IT Department employs 8 people at an average salary of $8

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SpencerH

24 Apr 2013, 21:05

4

3

3,211

by: doe007

24 Apr 2013, 22:33

Is x^3-6x^2+11x-60?

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Sergiy

18 Apr 2013, 04:19

4

3,359

by: Sergiy

22 Apr 2013, 23:35

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Is x an odd number? (1) n^x = 1 (2) n^2 is a prime number

655-705 (Hard) | Algebra +2 tags

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MacFauz

28 Feb 2013, 07:23

8

10

4,396

by: manishuol

19 Apr 2013, 21:48

Is j-k > 1/j - 1/k ?

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guerrero25

13 Apr 2013, 12:00

4

5

3,780

by: mau5

15 Apr 2013, 11:09

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Is P the youngest of P,Q ,R and S?

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siddharthamaridi

14 Nov 2012, 02:30

4

19,640

by: VeritasPrepRon

21 Mar 2013, 10:51

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A certain electronic memory game is played by answering equa

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ankitD

09 Feb 2013, 04:54

1

5

2,999

by: IanStewart

10 Feb 2013, 07:24

If set B is a subset of Set A, how many elements are in set

Sub 505 (Easy) | Statistics and Sets Problems

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

anon1

28 Nov 2012, 22:15

11

15,578

by: PrashantPonde

26 Jan 2013, 00:41

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If angle BAD is a right angle, what is the length of side

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

gottabwise

23 Jan 2010, 16:43

6

5

12,913

by: Bunuel

24 Jan 2013, 07:24

Machine A can fill an order of widgets in a hours. Machine B

805+ (Hard) | Work and Rate Problems

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nshang

22 Jul 2013, 06:25

88

2

30,449

by: Sachin9

16 Jan 2013, 02:08

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In a class, each of the students were asked to pick an integ

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tabsang

25 Dec 2012, 01:59

2

4,003

by: tabsang

25 Dec 2012, 05:43

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Is |a| = b - c ? (1) a + c != b (2) a < 0

705-805 (Hard) | Absolute Values, Inequalities

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

fanatico

23 May 2011, 19:33

6

12

4,850

by: Bunuel

13 Dec 2012, 07:38

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If f(x) = 2^x + 2^-2, and x is an integer

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gmatbull

06 Dec 2012, 05:07

3

2,486

by: mikemcgarry

07 Dec 2012, 12:05

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(x-x_1)*(x-x_2)*(x-x_3)........(x-x_n)

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MacFauz

04 Dec 2012, 01:11

6

5,521

by: MacFauz

06 Dec 2012, 01:52

Find the number of days in the year X

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

siddharthamaridi

20 Mar 2025, 08:32

2

2,993

by: MacFauz

14 Nov 2012, 02:07