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

178

15

78,893

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

188,621

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

488,103

by: bb

29 Aug 2025, 13:27

ER

Is a^2 = a? (1) a^2 = 2a (2) a 2

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

30 Apr 2021, 01:30

5

7

2,269

by: Bunuel

03 May 2021, 01:15

ER

Is x > 1? (1) x^2 + x + 2 > 8 (2) 8(x – 4) > 4(x – 2)

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

17 Apr 2018, 01:04

6

7

2,820

by: ueh55406

23 Apr 2021, 10:31

ER

x represents the number of kids on a school bus. What is x?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

TheUltimateWinner

16 Apr 2021, 12:22

3

7

1,842

by: ManyataM

16 Apr 2021, 13:36

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If k, n, and m are positive integers, is kn even?

555-605 (Medium) | Algebra, Number Properties

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

Bunuel

21 Aug 2019, 03:16

6

7

2,705

by: bumpbot

14 Apr 2021, 14:57

ER

Q is a cube. Find the volume of the cube.

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

24 Feb 2015, 08:00

5

7

8,251

by: bumpbot

10 Apr 2021, 04:22

ER

Is the negative number x less than –1?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

09 Apr 2021, 01:22

14

7

2,861

by: andreagonzalez2k

08 Apr 2021, 13:10

ER

In the figure above, if angle ABC = 110 degrees, and angle AED = 100 d

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

rxs0005

13 Aug 2010, 10:49

11

7

6,054

by: bumpbot

07 Apr 2021, 02:27

ER

If a, b, and c are positive integers, is it true that ab is divisible

605-655 (Medium) | Multiples and Factors

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

Bunuel

30 Mar 2021, 01:30

8

7

3,278

by: Bunuel

31 Mar 2021, 01:15

ER

If x is an integer, does the decimal expression of the fraction x/8 ha

805+ (Hard) | Fractions and Ratios, Number Properties

805+ (Hard) | Fractions and Ratios, Number Properties hide tags

Bunuel

11 Jan 2021, 01:15

9

7

2,810

by: MBAB123

12 Mar 2021, 22:15

ER

Find the value of the two digit number Z?

655-705 (Hard) | Multiples and Factors

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

Bunuel

08 Feb 2021, 01:15

4

7

2,325

by: Ujjawalm8shra

11 Feb 2021, 09:06

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Is integer r prime? (1) r + 1 is prime (2) r is greater than 10

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

10 Dec 2016, 06:36

2

7

2,532

by: bumpbot

04 Feb 2021, 11:26

ER

If a, b, and c are positive integers, is abc an even integer ?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

18 Jun 2015, 03:13

6

7

8,371

by: bumpbot

31 Jan 2021, 13:53

ER

X is a two-digit positive integer. If the ratio between the units digi

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

24 Jun 2016, 03:10

4

7

2,369

by: bumpbot

27 Jan 2021, 09:06

ER

Is the area of the triangle drawn in circle A greater than π?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

13 Sep 2018, 05:04

9

7

3,373

by: bumpbot

26 Jan 2021, 22:03

ER

Is N/2 an odd integer? (1) 2N is even (2) N is even

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Carcass

27 Feb 2012, 07:04

5

7

4,766

by: Nipungupta9081

25 Jan 2021, 22:31

ER

Is a + b > 0? (1) |a| > |b| (2) a < b

605-655 (Medium) | Absolute Values, Inequalities

605-655 (Medium) | Absolute Values, Inequalities hide tags

chetan2u

20 Nov 2017, 10:19

13

7

3,551

by: chetan2u

25 Jan 2021, 22:14

ER

In the figure above, what is the area of triangle ABC ?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

15 Nov 2018, 04:04

5

7

6,089

by: Bunuel

15 Jan 2021, 13:14

ER

If a and b are two-digit numbers that share the same digits,

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

srichaks

25 May 2010, 06:47

23

7

11,080

by: bumpbot

12 Jan 2021, 02:11

ER

What is the value of a + b?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

01 Jul 2016, 04:19

4

7

3,475

by: bumpbot

09 Jan 2021, 09:09

ER

Is n^2 an even integer?

Poor Quality

Poor Quality hide tags

avohden

02 Nov 2013, 00:56

14

7

3,955

by: Bunuel

07 Jan 2021, 00:36

ER

What is the value of a ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

atalpanditgmat

03 Apr 2013, 09:42

4

7

4,999

by: MHIKER

05 Jan 2021, 16:10

ER

What is the greatest common divisor of two positive integers x and y?

555-605 (Medium) | Multiples and Factors

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

Bunuel

24 Dec 2020, 01:15

6

7

2,244

by: Bunuel

30 Dec 2020, 01:27

ER

If m is a three-digit positive integer, what is the value of m?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

03 Nov 2016, 05:06

1

7

2,675

by: bumpbot

24 Dec 2020, 14:52

ER

If xy ≠ 0, is x = y? (1) |x| = |y| (2) xy > 0

Sub 505 (Easy) | Absolute Values, Inequalities

Sub 505 (Easy) | Absolute Values, Inequalities hide tags

Bunuel

01 Nov 2018, 00:17

10

7

3,458

by: QuantMadeEasy

20 Dec 2020, 00:11

ER

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

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

11 Mar 2018, 20:57

2

7

2,423

by: bumpbot

16 Dec 2020, 11:46

ER

If P and Q are integers, is [m][fraction](10^{2P} + Q)/3[/fraction][/m

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

GMATBusters

20 Oct 2018, 10:04

6

7

1,809

by: bumpbot

13 Dec 2020, 10:58

ER

Consider a seven digit integer A,BC7,8DE. If the integer is divisible

605-655 (Medium) | Multiples and Factors

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

Bunuel

10 Dec 2020, 01:15

5

7

2,062

by: DanTe02

13 Dec 2020, 05:40

ER

If a and b are positive integers, is the product ab odd?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

17 Apr 2017, 23:31

4

7

4,005

by: bumpbot

10 Dec 2020, 20:51

ER

Sequence X consists of 825 terms, and each term after the first term

Sub 505 (Easy) | Sequences

Sub 505 (Easy) | Sequences hide tags

Bunuel

05 Oct 2017, 04:40

1

7

4,472

by: bumpbot

27 Nov 2020, 05:05

ER

If x is a positive integer, is x^2 + 1 an odd number?

505-555 (Easy) | Exponents, Number Properties

505-555 (Easy) | Exponents, Number Properties hide tags

Bunuel

07 Nov 2020, 10:30

8

7

3,040

by: GCMEMBER

13 Nov 2020, 00:25

ER

If x is a positive integer then find x? (1) x^2−5x+6=0 (2) x^2=3x

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

GMATinsight

26 Jan 2020, 05:44

7

1,898

by: MHIKER

12 Nov 2020, 07:38

ER

Is the triangle equilateral ?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

ShankSouljaBoi

31 Oct 2020, 09:30

3

7

1,894

by: jhavyom

31 Oct 2020, 23:17

ER

Is a/b > 0 ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Carcass

27 Feb 2012, 07:19

3

7

3,584

by: Basshead

31 Oct 2020, 07:39

ER

A jogger runs along the track PABCQRCDASP. How many times will he nee

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

30 Oct 2020, 00:15

7

2,174

by: yashikaaggarwal

31 Oct 2020, 06:23

ER

What is the value of b?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

marcovg4

31 May 2013, 11:33

6

7

3,869

by: bumpbot

31 Oct 2020, 01:18

ER

Is x = y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

peacewarriors

08 Jul 2014, 02:03

8

7

2,952

by: bumpbot

29 Oct 2020, 02:43

ER

What is the value of xyz? (1) y! = 6 and x! > 720 (2) z is the least

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

01 May 2019, 00:39

4

7

2,435

by: bumpbot

25 Oct 2020, 03:04

ER

A saltwater solution completely fills a glass cylinder. If the solutio

Poor Quality

Poor Quality hide tags

Yash12345

05 Sep 2015, 12:47

16

7

8,022

by: bumpbot

18 Oct 2020, 22:39

ER

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

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

jrawls

05 Nov 2020, 06:34

10

7

4,373

by: bumpbot

06 Oct 2020, 20:27

ER

If k is a positive integer, is k an integer?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

gmatser1

23 Jun 2015, 01:01

11

7

3,462

by: MHIKER

22 Sep 2020, 09:40

ER

A train takes two hours to travel from one station to the other.

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

delta23

27 Jul 2018, 21:00

13

7

3,478

by: Archit3110

17 Sep 2020, 03:26

ER

HOT Competition 26 Aug/8PM: If the length and breadth of rectangle ABC

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

26 Aug 2020, 20:31

96

7

5,519

by: debjit1990

26 Aug 2020, 22:15

ER

Manfred plans to invest a certain amount of money in stocks and a cert

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

14 Aug 2020, 02:43

10

7

2,638

by: sush147

18 Aug 2020, 15:50

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

4,689

by: IanStewart

10 Aug 2020, 09:54

ER

Is x^12 – 2x^11 negative? (1) x^2 < |x| (2) x^(-1) < -1

705-805 (Hard) | Absolute Values, Inequalities

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

Bunuel

09 Dec 2019, 00:56

10

7

2,776

by: catinabox

04 Aug 2020, 09:23

ER

If Hugga the rhinoceros weighs twice as much as Behbeh the goat, then

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

22 Jul 2020, 02:40

9

7

2,241

by: Pesko1999

22 Jul 2020, 08:29

ER

What is the value of x? (1) x(y - z) = 0 (2) yz < 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Russ19

03 Jul 2020, 11:13

12

7

2,981

by: ifteec464

21 Jul 2020, 11:59

ER

If 3x - 3 - 4x = x - 7 - 2x + 4, then what is the value of x ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Sajjad1994

21 Mar 2020, 01:00

2

7

2,090

by: KaramveerBakshi

13 Jul 2020, 03:08

ER

If k is an integer, is k^2 < 100?

605-655 (Medium) | Inequalities, Number Properties

605-655 (Medium) | Inequalities, Number Properties hide tags

GMATBusters

01 May 2020, 06:19

8

7

2,926

by: sampad

12 Jul 2020, 05:29

ER

How many odd factors does the integer n have?

605-655 (Medium) | Algebra, Number Properties

605-655 (Medium) | Algebra, Number Properties hide tags

firas92

03 Jun 2019, 00:27

18

7

4,486

by: gurmukh

10 Jul 2020, 09:20