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

179

15

79,728

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

858

24

188,980

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

488,678

by: bb

29 Aug 2025, 13:27

ER

If a and b are both positive integers greater than 1 and a^b = a^(11b)

655-705 (Hard) | Absolute Values, Exponents

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

Bunuel

17 Jan 2020, 02:18

10

5

4,072

by: bumpbot

10 Aug 2022, 10:03

ER

If x is an even integer, is x divisible by 6?

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

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

chetan2u

14 Jan 2018, 06:04

19

13

4,074

by: Basshead

05 Nov 2020, 16:27

ER

At the beginning of the last year, a car dealership had 150 cars in

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

10 Aug 2017, 02:56

10

2

4,074

by: bumpbot

05 Dec 2025, 05:25

ER

Is the positive integer m divisible by 6?

505-555 (Easy) | Multiples and Factors

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

thesaifeye

07 Nov 2019, 23:23

2

4,075

by: ccooley

07 Nov 2019, 12:48

ER

Is x^2 > y^2?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

BillyZ

14 May 2017, 02:00

13

4

4,075

by: bumpbot

10 Jul 2021, 09:26

Is x^2 * y^2< xy ?

555-605 (Medium) | Algebra, Inequalities

555-605 (Medium) | Algebra, Inequalities hide tags

idontknowwhy94

06 Oct 2016, 13:25

16

8

4,075

by: bumpbot

27 Mar 2023, 00:22

ER

Two sets, M and Q, include only consecutive multiples of 5

655-705 (Hard) | Statistics and Sets Problems

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

guerrero25

21 Mar 2013, 11:10

7

6

4,076

by: IanStewart

22 Jun 2021, 08:23

What is the value of X? 1) X is a mode of 2) X is neither

505-555 (Easy) | Statistics and Sets Problems

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

BarneyStinson

14 Mar 2010, 13:31

2

5

4,077

by: karan12345

02 Jun 2020, 00:05

ER

What is the remainder when the positive integer n is divided by 2?

705-805 (Hard) | Multiples and Factors, Remainders

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

Bunuel

10 Jun 2020, 03:56

6

7

4,077

by: bumpbot

04 Dec 2022, 16:22

ER

12 Days of Christmas GMAT Competition - Day 9: If Mary's balance

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

26 Dec 2024, 09:00

24

14

4,078

by: bumpbot

28 Dec 2025, 08:45

ER

Is X^N an integer? (1) X is an integer (2) N is an integer

605-655 (Medium) | Exponents, Number Properties

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

Bunuel

09 Sep 2019, 21:04

5

10

4,079

by: djmobley

30 Sep 2019, 19:13

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If a^2 = b^2 = 25, what is the value of a + b? (1) a - b = 0 (2) ab =

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

18 Mar 2021, 01:30

9

5

4,079

by: bumpbot

24 Mar 2022, 20:56

ER

A pumpkin patch contains x pumpkins that weigh 10 pounds each and y pu

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

02 May 2026, 10:09

8

4

4,079

by: bumpbot

19 Jan 2026, 03:18

ER

What is the volume of rectangular box Q? (1) Two adjacent

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

guygmat

19 Jun 2011, 08:02

2

3

4,080

by: Bunuel

04 Dec 2017, 00:21

ER

Given that b is more than 90 percent of a, is b < 65?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

26 May 2021, 02:00

4

2

4,081

by: TestPrepUnlimited

29 May 2021, 12:40

ER

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

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

17 Dec 2017, 01:42

10

4,081

by: bumpbot

26 Apr 2024, 06:17

ER

Is x > 2 + 2y ? (1) x^2 - 3xy + 2y^2 = 0 (2) y < -2

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

25 May 2020, 11:23

10

8

4,082

by: Bunuel

03 Nov 2021, 06:44

ER

If x = (9b - 3ab)/(3/a - a/3), what is x? (1) 9ab/(3+a) = 18/5 (2) b

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

21 Jul 2021, 23:50

5

6

4,082

by: bumpbot

05 Feb 2023, 11:47

ER

If p is an integer and p* = p^2 + 2, what is the value of integer k?

705-805 (Hard) | Functions and Custom Characters, Remainders

705-805 (Hard) | Functions and Custom Characters, Remainders hide tags

Bunuel

12 Sep 2017, 23:35

23

17

4,082

by: bumpbot

07 May 2026, 04:07

ER

If r and s are positive integers and rs = 12, what is the

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

nimc2012

08 Feb 2012, 02:23

2

3

4,083

by: bumpbot

13 Jan 2022, 08:57

ER

What is the standard deviation of the terms in set N?

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

17 May 2023, 01:30

1

4,083

by: chanhthang1802

17 May 2023, 22:23

ER

The ratio of As current age to Bs current age is 5:8. What will be

505-555 (Easy) | Fractions and Ratios, Word Problems

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

guddo

14 Aug 2024, 03:30

10

3

4,085

by: bumpbot

31 Aug 2025, 21:00

ER

What is the value of (k – w ) + (k – x ) + (k – y )?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

21 Jan 2018, 03:19

9

4

4,086

by: bumpbot

19 Jan 2024, 10:06

ER

Is J + K > L + M ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

gmatquant25

23 Sep 2014, 12:18

20

6

4,086

by: Bunuel

09 Dec 2025, 11:09

What is the value of positive integer N? (1) Sum of N consecutive po

705-805 (Hard) | Arithmetic, Sequences

705-805 (Hard) | Arithmetic, Sequences hide tags

amanvermagmat

08 May 2018, 23:23

26

8

4,087

by: bumpbot

29 Apr 2026, 07:26

ER

If x and y are positive integers, is x a multiple of y?

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

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

Omar7235

24 Mar 2017, 19:14

24

9

4,088

by: bumpbot

01 Jul 2024, 20:16

ER

On January 1, 2003, Jack invested $5,000 at r percent interest rate

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

12 May 2020, 01:17

10

6

4,089

by: bumpbot

13 May 2021, 03:30

ER

12 Days of Christmas GMAT Competition - Day 6: Clair bikes from home

555-605 (Medium) | Distance and Speed Problems

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

1, 2, 3, 4

Bunuel

23 Dec 2024, 09:00

61

67

4,089

by: Sanjay9822

24 Dec 2024, 10:11

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Is x^3 greater than x

Poor Quality

Poor Quality hide tags

krishna789

11 Jun 2014, 21:30

2

4,090

by: krishna789

12 Jun 2014, 00:38

ER

Is the positive integer z a prime number? (1) z and the square root

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

27 Oct 2021, 04:00

9

5

4,090

by: bumpbot

24 Sep 2024, 19:08

ER

If quadrilaterals ABCD and ADEF have the same areas, is AF>28?

705-805 (Hard) | Algebra +2 tags

705-805 (Hard) | Algebra, Geometry, Min-Max Problems hide tags

fskilnik

17 Mar 2019, 07:00

27

5

4,091

by: bumpbot

12 Nov 2022, 03:42

ER

If sequence Q has four terms: x, 12, y, and 20, is it true that the me

705-805 (Hard) | Statistics and Sets Problems

705-805 (Hard) | Statistics and Sets Problems hide tags

Bunuel

06 Nov 2019, 02:33

19

8

4,092

by: bumpbot

14 Dec 2025, 04:38

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

4,093

by: bumpbot

09 Jul 2020, 19:54

ER

If a and b are positive integers greater than 1 and least common multi

805+ (Hard) | Exponents +2 tags

805+ (Hard) | Exponents, Multiples and Factors, Number Properties hide tags

gmatophobia

08 Jan 2022, 12:50

18

6

4,093

by: bumpbot

07 Mar 2023, 10:26

ER

In how many years, the amount x will grow to be 9 times the original v

805+ (Hard) | Percent and Interest Problems

805+ (Hard) | Percent and Interest Problems hide tags

GMATBusters

23 May 2020, 19:56

25

12

4,094

by: bumpbot

10 Jun 2025, 12:48

ER

If y>0 is x>y? 1. 5x-4y=3 2. 4y-5x=3

Poor Quality

Poor Quality hide tags

agnok

17 Jul 2010, 08:21

3

2

4,095

by: agnok

20 Jul 2010, 08:28

ER

What is the sum of the two smallest integers in a set of different pos

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

08 Jul 2016, 07:58

6

4

4,095

by: bumpbot

28 Nov 2024, 17:16

ER

If y ≠ 0, is x = -1 ? (1) x = y/|y| (2) |x| = -x

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

GMATBusters

30 Jun 2019, 03:57

9

4,096

by: QuantMadeEasy

27 Nov 2019, 02:44

ER

There is an arithmetic sequence An where n is a positive integer such

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

MathRevolution

08 Nov 2016, 02:15

11

8

4,096

by: bumpbot

03 Jul 2025, 05:08

ER

A certain shipment of identical cans of soup can be packed either into

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

29 Oct 2015, 01:26

13

4

4,096

by: bumpbot

13 May 2026, 08:55

ER

What is the value of x^2 y^2?

555-605 (Medium) | Absolute Values, Algebra

555-605 (Medium) | Absolute Values, Algebra hide tags

Bunuel

25 Jul 2016, 10:12

13

6

4,097

by: Bunuel

17 Jul 2017, 06:06

ER

Triangle ABC has vertices A(3,0) , B(6,0) and C(a,b)

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Amankatyal

02 Aug 2018, 02:59

7

4

4,097

by: bumpbot

01 Oct 2023, 13:34

ER

Is x > 0? (1) |7x| > 17x (2) |x + 7| > 0

555-605 (Medium) | Absolute Values, Inequalities

555-605 (Medium) | Absolute Values, Inequalities hide tags

Bunuel

16 May 2021, 20:00

10

5

4,097

by: bumpbot

01 Mar 2024, 01:24

ER

What is the volume of cubical box in cubic centimeters? I.One face of

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Sajjad1994

10 Feb 2017, 07:28

2

3

4,098

by: gmathopeful19

11 Jul 2017, 17:53

ER

If x < 20, How many distinct factors does odd number x have? 1) 16x

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

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

GMATinsight

23 Jan 2018, 03:58

7

17

4,098

by: amanvermagmat

23 Jan 2018, 23:19

ER

Exactly 6 years ago, James opened 2 salary accounts, with no

605-655 (Medium) | Percent and Interest Problems

605-655 (Medium) | Percent and Interest Problems hide tags

gmatbull

07 Nov 2012, 05:54

6

4,099

by: bumpbot

01 Oct 2021, 04:45

ER

If P is a positive integer, what is the reminder when P^2-1 is divided

705-805 (Hard) | Number Properties, Remainders

705-805 (Hard) | Number Properties, Remainders hide tags

Turkish

27 May 2017, 06:31

10

3

4,099

by: bumpbot

06 Nov 2024, 08:28

ER

If a < b , is a > 0 ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

KanishkM

01 Jan 2019, 21:13

13

4

4,099

by: Strategix

02 Sep 2025, 05:14

ER

If xy > 0, is xyz < 0?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

22 Apr 2016, 04:32

7

6

4,100

by: bumpbot

10 Sep 2019, 22:37

ER

Is 7^x greater than 2,500?

655-705 (Hard) | Exponents, Inequalities

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

Bunuel

28 Aug 2015, 02:41

5

10

4,100

by: bumpbot

12 Jan 2022, 06:35