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

78,753

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

856

24

188,542

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

487,966

by: bb

29 Aug 2025, 13:27

ER

Is x > y? (1) x^2 > y^2 (2) x - y > 0

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

sarb

14 Jun 2012, 01:07

9

11

5,823

by: Basshead

31 Oct 2020, 12:43

ER

Is x > 4?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

rxs0005

26 Jan 2011, 05:59

3

11

6,508

by: Basshead

31 Oct 2020, 04:58

ER

Is 5 > x > 0 ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

GMATD11

23 Feb 2014, 05:17

4

10

5,218

by: Basshead

31 Oct 2020, 02:59

ER

A room is 480 centimeters wide and 520 centimeters long. If n identica

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

10 Jun 2015, 04:00

15

9

9,033

by: bumpbot

29 Oct 2020, 03:36

ER

Is x = y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

peacewarriors

08 Jul 2014, 02:03

8

7

2,949

by: bumpbot

29 Oct 2020, 02:43

ER

Is xy + xy < xy ? (1) x^2/y < 0 (2) x^9*(y^3)^3 < (x^2)^4*y^8

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

nitin1negi

07 Feb 2021, 04:29

16

5

5,572

by: bumpbot

23 Oct 2020, 02:00

ER

n is the product of least and greatest 6 consecutive integers. What is

505-555 (Easy) | Number Properties, Statistics and Sets Problems

505-555 (Easy) | Number Properties, Statistics and Sets Problems hide tags

anuragsingal

05 Jan 2015, 04:15

8

11

9,286

by: Tonkotsu

19 Oct 2020, 19:40

ER

Distribution D consists of five different numbers. What is the standar

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

17 Oct 2020, 13:46

3

1,222

by: MathRevolution

18 Oct 2020, 02:58

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If a > 0 and b > 0, is a/b > b/a ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

21 Aug 2016, 04:13

12

8

12,264

by: ScottTargetTestPrep

06 Oct 2020, 03:47

ER

What is the value of ab + bc ? (1) b = 5 (2) a + c = 8

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

06 Dec 2015, 12:06

2

9

6,031

by: bumpbot

05 Oct 2020, 10:50

ER

In the diagram above, rectangle ABCD is intersected by line WZ at poin

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

06 Jun 2017, 10:10

13

8

4,052

by: bumpbot

03 Oct 2020, 12:03

ER

If x is an integer, is x even?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

RichaKhanna

07 Jul 2015, 00:46

1

5

4,336

by: bumpbot

02 Oct 2020, 03:05

ER

Is 3x − y + z greater than 2x − y + 2z?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Chembeti

12 Jun 2013, 03:27

3

6

3,799

by: Bunuel

30 Sep 2020, 01:26

ER

If x, y and z are integers, is x odd?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

07 Sep 2015, 23:09

25

12

5,626

by: warrior1991

25 Sep 2020, 23:46

ER

In the xy plane point P (m,n) and point Q (n,m) what is the

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

rxs0005

22 Sep 2010, 13:07

31

16

8,530

by: bumpbot

06 Sep 2020, 06:58

ER

Is 10 – 6x < 0 ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

nidhi12

04 Jun 2014, 07:53

6

15

5,180

by: bumpbot

05 Sep 2020, 08:43

ER

Find the number of zeroes at the right end in n! given n is a positive

505-555 (Easy) | Multiples and Factors, Number Properties

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

TanmayKothari

24 Aug 2020, 22:28

2

4

1,874

by: IanStewart

25 Aug 2020, 08:40

ER

If the two horizontal lines in the figure provided are parallel, what

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

11 Sep 2015, 02:23

12

13

4,683

by: bumpbot

14 Aug 2020, 21:21

ER

If x and y are integers, is x even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

12 Oct 2015, 22:16

6

9

3,551

by: bumpbot

11 Aug 2020, 13:49

ER

What is the slope of line l that does not pass through the origin?

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

TheUltimateWinner

02 Aug 2020, 09:24

8

7

4,685

by: IanStewart

10 Aug 2020, 09:54

ER

On a number line if x > y is z between x and y? (1) x < 0 (2) y - x >z

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

15 Nov 2019, 02:03

5

2,891

by: Bunuel

30 Jul 2020, 22:30

ER

If p and q are consecutive positive integers, is p a multiple of 3 ?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

metallicafan

13 Dec 2011, 09:51

5

6

4,068

by: bumpbot

09 Jul 2020, 19:54

ER

What is the value of x? (1) 2^x < 20

705-805 (Hard) | Exponents, Inequalities

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

abrutlag

05 Jul 2020, 10:50

5

9

1,959

by: Kinshook

09 Jul 2020, 10:30

ER

If x is a positive integer, does 6 divide evenly into x?

505-555 (Easy) | Multiples and Factors

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

Bunuel

19 Apr 2016, 03:11

8

6

3,945

by: TestPrepUnlimited

28 Jun 2020, 14:05

ER

If x is a non-zero number, find x? (1) 2|x| = 2x^2 (2) x|x| = 2^x

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

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

GMATinsight

23 Jun 2020, 23:51

7

6

1,647

by: Archit3110

23 Jun 2020, 22:55

ER

What is the length of diameter PR in the circle shown above?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

13 Sep 2018, 02:33

11

5

2,793

by: TestPrepUnlimited

22 Jun 2020, 11:09

ER

If xy < 5, is x < 1 ? (1) | y | > 5 (2) x / y > 0

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

rxs0005

07 Feb 2012, 16:36

21

5

6,407

by: chetan2u

17 Jun 2020, 09:26

ER

If x and y are positive integers, what is the value of xy?

705-805 (Hard) | Algebra, Exponents

705-805 (Hard) | Algebra, Exponents hide tags

chetan2u

01 Jun 2020, 01:03

8

4

3,048

by: chetan2u

02 Jun 2020, 21:56

ER

A turtle is crossing a field, how many meters total did he pass?

505-555 (Easy) | Distance and Speed Problems

505-555 (Easy) | Distance and Speed Problems hide tags

Bunuel

10 May 2020, 11:17

2

4

4,646

by: Bunuel

01 Jun 2020, 03:19

ER

m and n are both integers. Is m>n?

Poor Quality

Poor Quality hide tags

happyapple123

30 May 2020, 09:24

4

12

1,869

by: satya2029

31 May 2020, 04:28

ER

Is the positive integer n a multiple of 3?

555-605 (Medium) | Multiples and Factors

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

Bunuel

26 May 2020, 02:27

5

2,917

by: sambitspm

27 May 2020, 11:12

ER

Is the Sum of 5 different positive integers greater then 35?

655-705 (Hard) | Statistics and Sets Problems

655-705 (Hard) | Statistics and Sets Problems hide tags

agentzap

05 Feb 2012, 09:32

9

5,286

by: bumpbot

23 May 2020, 21:20

ER

When rounded to the nearest hundredths digit, the number p becomes 6.7

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

20 May 2020, 08:42

4

2,213

by: chetan2u

20 May 2020, 20:32

ER

Boats X and Y are moving towards each other in still water. They recei

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

Bunuel

06 May 2020, 22:39

7

5

3,528

by: sujoykrdatta

07 May 2020, 17:57

ER

Is x > y ? (1) x >= (y - 2)^2 - 1 (2) y < |x|

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

Bunuel

01 May 2020, 03:17

14

7

2,594

by: ShankSouljaBoi

02 May 2020, 10:24

ER

x - y = 5? (1) x*y = y(y + 5) (2) xy ≠ 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Casey1985

31 Jan 2020, 22:00

11

8

2,457

by: Bunuel

28 Apr 2020, 00:26

ER

A natural number p, when divided by a certain divisor q, gives

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Poor Quality hide tags

DHAR

30 Jul 2017, 20:18

59

8

10,193

by: WheatyPie

02 Apr 2020, 11:31

ER

Is integer x odd? (1) 2x+1 is odd (2) x/2 is even

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Ravixxx

30 Mar 2020, 23:59

2

4

4,764

by: CrackverbalGMAT

01 Apr 2020, 00:29

ER

If a > b, is (a + b) an integer?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

GMATBusters

08 Dec 2018, 10:04

5

1,927

by: GMATinsight

23 Mar 2020, 00:11

ER

A school has 60 students. Each student studies either Cantonese or Fre

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

Bunuel

16 Jul 2015, 01:19

4

11

8,519

by: Kinshook

18 Mar 2020, 09:45

ER

The lengths of the sides of triangle ABC are such that AB = x + 2, BC

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

25 Feb 2015, 03:21

7

10,487

by: bumpbot

13 Mar 2020, 07:23

ER

What is the area of triangle BDC?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

GMATBusters

07 Dec 2019, 19:22

8

17

5,044

by: ayushkumar22941

08 Mar 2020, 20:49

ER

Is the positive integer N divisible by 4?

505-555 (Easy) | Multiples and Factors

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

Bunuel

25 Feb 2020, 01:59

2

3

2,247

by: MathRevolution

29 Feb 2020, 11:23

ER

If a line K passes through (1, 5) and the line K intersects with the

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

29 Jan 2020, 01:49

2

5

1,971

by: GMATinsight

21 Feb 2020, 03:46

ER

Is x > y ? (1) (x - y)(x - y) > 0 (2) y > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

sang5650

31 Mar 2010, 15:34

3

7

5,015

by: bumpbot

19 Feb 2020, 07:17

ER

If a, b and c are distinct positive integers, what is the value of (a

805+ (Hard) | Exponents

805+ (Hard) | Exponents hide tags

Bunuel

06 Aug 2017, 00:57

16

9

4,224

by: ScottTargetTestPrep

10 Feb 2020, 17:55

ER

For the system of equations given, what is the value of z?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

11 Sep 2012, 04:46

3

8

21,253

by: TheUltimateWinner

09 Feb 2020, 10:57

ER

If |a - b| = |b - c| = 2 , what is |a - c| ?

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

AndreG

09 Oct 2010, 04:09

20

11

6,770

by: bumpbot

06 Feb 2020, 22:00

ER

If z is a positive integer, does z have more than 2 positive integer

505-555 (Easy) | Multiples and Factors, Number Properties

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

Bunuel

27 Jan 2020, 02:49

3

1,311

by: GMATinsight

27 Jan 2020, 07:43

ER

What is the value of a + b/(ab)^1/2? (1) a is 4 times b.

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Sajjad1994

22 Jan 2020, 00:39

8

11

2,300

by: Bunuel

22 Jan 2020, 09:26