GMAT Data Sufficiency (DS) Forum - Free Practice Questions

ER

Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

175

15

78,524

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

188,411

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

487,750

by: bb

29 Aug 2025, 13:27

ER

When a class is divided into 6 teams with an equal number of

Poor Quality

Poor Quality hide tags

loveparis

09 Feb 2011, 16:40

1

4

5,329

by: anordinaryguy

17 Aug 2011, 10:00

ER

If x and y are integers, is |x| > |y|? 1) |x| = |y+1| 2)

Poor Quality

Poor Quality hide tags

bibha

05 May 2010, 07:28

2

19

6,457

by: gmatmachoman

26 Aug 2011, 12:32

In the xy plane, what is the slope of line perpendicular to

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

DeeptiM

28 Aug 2011, 12:33

4

2

3,120

by: fluke

28 Aug 2011, 13:15

ER

If x is positive is x divisible by 2 ? (1) x^3+x is

805+ (Hard) | Algebra, Number Properties

805+ (Hard) | Algebra, Number Properties hide tags

anaik100

22 Mar 2010, 11:56

14

9

11,115

by: gmatopoeia

07 Sep 2011, 02:59

Is x = 2? (1) x > 1 (2) x is one of the numbers from the

Sub 505 (Easy) | Statistics and Sets Problems

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

nonameee

13 May 2024, 01:09

3

2,645

by: fluke

05 Oct 2011, 04:56

ER

Is it true that exactly two of the three sentences I, II,

Poor Quality

Poor Quality hide tags

nonameee

02 Nov 2011, 07:26

1

5

2,620

by: nonameee

03 Nov 2011, 04:46

ER

In the figure above, what is the ratio of the area of triangle ABC to

Poor Quality

Poor Quality hide tags

SonyGmat

08 Jan 2012, 04:59

2

9

9,074

by: SonyGmat

09 Jan 2012, 14:45

ER

Is |x-2|+|x+2|<4?

Poor Quality

Poor Quality hide tags

IanStewart

09 Jan 2012, 23:38

2

4

3,271

by: mydreammba

13 Jan 2012, 21:45

ER

d=83,521,y73/441,682,36y. In the expression above

Poor Quality

Poor Quality hide tags

enigma123

09 Jan 2012, 22:05

14

4

12,421

by: omerrauf

17 Jan 2012, 08:44

ER

If X^3 = Y, is Y a fraction? (1) X^2 is a fraction. (2) X

Poor Quality

Poor Quality hide tags

saurya_s

05 Aug 2004, 03:11

3

7,668

by: Bunuel

19 Jan 2012, 04:45

ER

is (a-b)/c >0? 1. a>b, b<c 2. a<b, b<c

Poor Quality

Poor Quality hide tags

Creeper300

07 Nov 2010, 13:44

3

2

3,462

by: metallicafan

03 Feb 2012, 11:39

ER

If m and z are integers, is z divisible by 11 ?

555-605 (Medium) | Multiples and Factors

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

rxs0005

06 Feb 2012, 09:11

8

5

4,556

by: Bunuel

06 Feb 2012, 14:05

Square ABCD encloses a circle of area 154 at its center

Poor Quality

Poor Quality hide tags

Smita04

09 Feb 2012, 23:11

6

2,779

by: sdas

11 Feb 2012, 08:27

ER

How far in miles is city A from city B?

Poor Quality

Poor Quality hide tags

Smita04

11 Feb 2012, 05:10

3

4

5,871

by: mikemcgarry

11 Feb 2012, 15:35

ER

If S is a set of ten consecutive integers, is the integer 5

555-605 (Medium) | Statistics and Sets Problems

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

Jasonammex

24 Aug 2011, 01:47

2

1

5,526

by: Bunuel

19 Feb 2012, 04:38

ER

Three Children Alice, Brain & Chris have a total of

Poor Quality

Poor Quality hide tags

qweert

07 Aug 2010, 22:30

6

10

5,092

by: Bunuel

29 Mar 2012, 05:16

ER

If x does not equal 0 what is the value of (x^p/x^q)^2

Poor Quality

Poor Quality hide tags

Viking81

18 Apr 2012, 01:48

2

3

5,755

by: aalba005

23 Apr 2012, 12:13

If the market value of a car was $6,000 exactly 3 years ago

Poor Quality

Poor Quality hide tags

hfbamafan

08 May 2012, 22:28

8

2

10,014

by: chibiutena

09 May 2012, 09:38

ER

If r/s = 2/5 , what is the value of rs ?

Poor Quality

Poor Quality hide tags

piyatiwari

30 May 2012, 17:27

2

4

4,455

by: rggoel9

05 Jun 2012, 04:56

X and Y are positive numbers. Is the hundredth digit of XY

Poor Quality

Poor Quality hide tags

g81

06 Jun 2012, 13:38

1

2

2,423

by: g81

06 Jun 2012, 14:05

ER

What is the remainder when n is divided by 15?

Poor Quality

Poor Quality hide tags

mithun2vrs

27 Apr 2012, 11:03

9

5

9,882

by: Bunuel

12 Jun 2012, 04:56

ER

In which quadrant of the coordinate plane does the point

705-805 (Hard) | Absolute Values, Coordinate Plane

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

Wengen

18 Jun 2012, 01:14

5

4

5,715

by: Bunuel

18 Jun 2012, 01:14

ER

For positive integer x, y, and z, is y > z?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

banksy

17 Mar 2011, 14:42

4

1

5,005

by: Bunuel

21 Jun 2012, 12:25

What is the value of X

Poor Quality

Poor Quality hide tags

jayoptimist

04 Jul 2012, 09:23

3

2,554

by: cyberjadugar

04 Jul 2012, 10:42

ER

x is an integer and x raised to any odd integer is greater

805+ (Hard) | Algebra, Exponents

805+ (Hard) | Algebra, Exponents hide tags

jamifahad

19 Jul 2012, 02:55

28

8

14,673

by: gurpreetsingh

19 Jul 2012, 03:01

ER

If sets X and Y have an equal number of elements, does set X have a

Poor Quality

Poor Quality hide tags

enigma123

23 Nov 2011, 13:58

26

7

19,526

by: alphabeta1234

01 Aug 2012, 18:44

ER

Is |x| < 1?

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

Aximili85

29 Aug 2012, 10:11

1

4

4,730

by: Bunuel

30 Aug 2012, 01:48

ER

What is the slope of the line L ?

Poor Quality

Poor Quality hide tags

shivanigs

11 Sep 2012, 22:30

8

4

11,371

by: Bunuel

12 Sep 2012, 02:13

ER

Andy, George, and Sally are a team of consultants working on

705-805 (Hard) | Work and Rate Problems

705-805 (Hard) | Work and Rate Problems hide tags

R2I4D

17 May 2010, 17:17

39

10

13,190

by: IanStewart

25 Sep 2012, 00:33

ER

What is the probability that a field gun will hit thrice on

Poor Quality

Poor Quality hide tags

Smita04

09 Feb 2012, 23:35

21

6

10,262

by: Bunuel

29 Oct 2012, 13:49

ER

What is the value of x^2+ 5x +4?

Poor Quality

Poor Quality hide tags

nkimidi7y

05 Sep 2012, 12:30

4

15

5,299

by: AbhiJ

31 Oct 2012, 12:56

ER

A number n has the prime factors a, b, and c, and only these

Poor Quality

Poor Quality hide tags

actleader

06 Nov 2012, 22:59

3

4,339

by: dabral

07 Nov 2012, 14:37

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

ER

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

Poor Quality

Poor Quality hide tags

MacFauz

04 Dec 2012, 01:11

6

5,521

by: MacFauz

06 Dec 2012, 01:52

ER

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

Poor Quality

Poor Quality hide tags

gmatbull

06 Dec 2012, 05:07

3

2,486

by: mikemcgarry

07 Dec 2012, 12:05

ER

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

4,848

by: Bunuel

13 Dec 2012, 07:38

ER

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

Poor Quality

Poor Quality hide tags

tabsang

25 Dec 2012, 01:59

2

4,003

by: tabsang

25 Dec 2012, 05:43

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

805+ (Hard) | Work and Rate Problems

805+ (Hard) | Work and Rate Problems hide tags

nshang

22 Jul 2013, 06:25

88

2

30,449

by: Sachin9

16 Jan 2013, 02:08

ER

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

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

15,577

by: PrashantPonde

26 Jan 2013, 00:41

ER

A certain electronic memory game is played by answering equa

Poor Quality

Poor Quality hide tags

ankitD

09 Feb 2013, 04:54

1

5

2,999

by: IanStewart

10 Feb 2013, 07:24

ER

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

Poor Quality

Poor Quality hide tags

siddharthamaridi

14 Nov 2012, 02:30

4

19,639

by: VeritasPrepRon

21 Mar 2013, 10:51

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

Poor Quality

Poor Quality hide tags

guerrero25

13 Apr 2013, 12:00

4

5

3,779

by: mau5

15 Apr 2013, 11:09

ER

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

655-705 (Hard) | Algebra +2 tags

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

MacFauz

28 Feb 2013, 07:23

8

10

4,396

by: manishuol

19 Apr 2013, 21:48

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

Poor Quality

Poor Quality hide tags

Sergiy

18 Apr 2013, 04:19

4

3,359

by: Sergiy

22 Apr 2013, 23:35

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

Poor Quality

Poor Quality hide tags

SpencerH

24 Apr 2013, 21:05

4

3

3,211

by: doe007

24 Apr 2013, 22:33

ER

The useful life of a certain piece of equipment is

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

kairoshan

19 Nov 2009, 06:45

7

5

16,933

by: Bunuel

05 May 2013, 04:21

ER

What is the units digit of a^18?

Poor Quality

Poor Quality hide tags

apoorvarora

09 Dec 2012, 07:56

6

14

4,271

by: walker

11 May 2013, 08:19

ER

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

Poor Quality

Poor Quality hide tags

gmac25

17 Aug 2009, 15:08

7

8

9,085

by: Bunuel

12 May 2013, 02:50

ER

What is the value of a+b ?

Poor Quality

Poor Quality hide tags

summer101

02 Jun 2013, 05:07

2

2,042

by: Bunuel

02 Jun 2013, 10:45