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

79,978

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

189,047

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

488,788

by: bb

29 Aug 2025, 13:27

ER

If both x and y are positive integers that are divisible by

655-705 (Hard) | Multiples and Factors

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Berbatov

17 Sep 2012, 08:24

18

16

13,991

by: bumpbot

24 Sep 2024, 21:36

Truck A gives an average of X miles per gallon of petrol while truck B

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

amanvermagmat

13 Jul 2018, 10:59

2

3

2,246

by: bumpbot

24 Sep 2024, 19:14

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

4,093

by: bumpbot

24 Sep 2024, 19:08

ER

P, Q, R, S, and T represent five distinct points on the circumference

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

10 Apr 2020, 03:58

18

3

8,260

by: bumpbot

22 Sep 2024, 21:36

ER

If x and y are positive integers, is x > y ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

gmatophobia

18 Feb 2024, 12:51

10

7

1,596

by: Manushya

22 Sep 2024, 12:49

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Is xy > x^2*y^2? (1) 14*x^2 = 3 (2) y^2 = 1

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

jade3

16 Feb 2012, 22:37

36

17

28,317

by: bumpbot

22 Sep 2024, 02:54

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If abcd is not equal to zero, is abcd <0 ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

samusa

23 May 2018, 01:03

134

17

15,866

by: bumpbot

21 Sep 2024, 23:28

ER

Eleven members of Club A are also members of Club B, and five members

655-705 (Hard) | Overlapping Sets

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Bunuel

13 Feb 2015, 08:47

22

13

8,089

by: bumpbot

20 Sep 2024, 03:06

ER

If x > 0 and y > 0, what is the value of x − 2y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

17 Mar 2020, 08:22

19

4

4,212

by: bumpbot

19 Sep 2024, 04:38

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All customers in a café order either tea or coffee, and some of them

655-705 (Hard) | Overlapping Sets

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Bunuel

19 Sep 2024, 01:30

3

1

1,120

by: Sanskar115

19 Sep 2024, 01:53

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What is the remainder when a positive integer t is divided by 15?

655-705 (Hard) | Remainders

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akurathi12

06 Jan 2019, 04:25

18

5

5,927

by: bumpbot

19 Sep 2024, 00:44

ER

Of the first three dozen cookies baked at a bake shop on a certain day

655-705 (Hard) | Word Problems

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Bunuel

17 Sep 2024, 01:30

3

1,580

by: rish_dutton

17 Sep 2024, 19:59

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If the total price for n copies of a book is $31.50, what is the price

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

16 Sep 2024, 01:30

1

1,278

by: Krunaal

16 Sep 2024, 15:52

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In City X, a television ratings service estimates that the number of

655-705 (Hard) | Percent and Interest Problems, Word Problems

655-705 (Hard) | Percent and Interest Problems, Word Problems hide tags

eyunni

27 Oct 2007, 12:33

8

6

8,113

by: bumpbot

15 Sep 2024, 21:55

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Is the standard deviation of set X greater than the standard deviation

655-705 (Hard) | Statistics and Sets Problems

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

BrentGMATPrepNow

26 Sep 2021, 07:07

24

3

5,145

by: Bunuel

15 Sep 2024, 13:14

Is the positive square root of x an integer? (1) x = n^3 and n is a pe

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Carcass

05 Sep 2022, 04:37

12

8

2,507

by: Cowtommi

15 Sep 2024, 12:36

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In the figure above, points A, B, C, and D are collinear and AB, BC

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

gmatt1476

21 Sep 2019, 18:15

112

15

18,154

by: bumpbot

12 Sep 2024, 11:41

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Is x < y < z ? (1) |x - 1| < y < z + 1 (2) |x + 1| < y < z - 1

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

25 Feb 2020, 01:54

30

4

3,572

by: bumpbot

10 Sep 2024, 23:13

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Is q < 0?

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

Mo2men

28 Dec 2018, 21:46

5

3

3,045

by: bumpbot

07 Sep 2024, 08:58

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What is the sum of a set of 33 consecutive multiples of 3?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

TheUltimateWinner

28 Sep 2020, 09:15

3

2

1,688

by: bumpbot

07 Sep 2024, 00:02

ER

Every day Guy takes the same N sandwiches to work. Guy takes to work

655-705 (Hard) | Overlapping Sets

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Bunuel

03 Jun 2021, 01:30

10

6

3,396

by: bumpbot

06 Sep 2024, 11:25

ER

Y and Z are both positive numbers less than 1. Is Y > Z ?

655-705 (Hard) | Fractions and Ratios, Number Properties

655-705 (Hard) | Fractions and Ratios, Number Properties hide tags

Bunuel

03 Jun 2018, 11:12

12

6

3,218

by: dhwanit2412

05 Sep 2024, 07:14

ER

If p, q, r are positive integers such that p is q% of r, what is the

655-705 (Hard) | Percent and Interest Problems

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Bunuel

13 Oct 2021, 07:00

11

5

6,187

by: bumpbot

05 Sep 2024, 00:38

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Is z an odd integer? (1) z/3 is odd. (2) 3z is odd.

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Juaz

01 May 2007, 00:09

28

8

13,619

by: Bunuel

04 Sep 2024, 09:41

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Is the sum of x^y and y^x positive? (1) xy > 0 (2) x + y > 0

655-705 (Hard) | Exponents, Inequalities

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

Bunuel

13 May 2020, 08:09

9

3

5,003

by: bumpbot

02 Sep 2024, 13:59

ER

If m and n are positive single-digit numbers such that the units' digi

655-705 (Hard) | Multiples and Factors

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RenB

26 Sep 2023, 04:37

4

2

1,744

by: siddhantvarma

02 Sep 2024, 10:06

ER

A car rental company reduced its rates on all cars. If car A's reduced

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

01 Jul 2018, 21:22

1

2

1,611

by: Emily1122

01 Sep 2024, 22:15

ER

Given that x ≠ 0, is x^(1/3) > x^(1/5)?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

13 Aug 2018, 03:45

22

9

8,205

by: Shafkat26

01 Sep 2024, 21:42

ER

What is the value of integer x?

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

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

Bunuel

23 Jun 2015, 02:59

46

9

6,720

by: bumpbot

01 Sep 2024, 09:45

ER

If N is a positive integer, is X*Y an even integer? (1) N = X/16 (2)

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

amanvermagmat

02 Apr 2018, 05:19

7

4

2,782

by: SatvikVedala

30 Aug 2024, 20:57

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If x, y, and z are positive integers such that x < y < z, is x a facto

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

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

Bunuel

08 Jun 2015, 07:43

24

9

6,329

by: GMATBusters

30 Aug 2024, 19:35

ER

What is the value of x? (1) |x+2| 4 (2) |x - 1| = 2x - 3

655-705 (Hard) | Absolute Values, Inequalities

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

nafuzzz

30 Aug 2024, 13:31

5

1

962

by: Bunuel

30 Aug 2024, 13:45

ER

If x is a positive integer less than 30, is x odd?

655-705 (Hard) | Number Properties, Remainders

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

Bunuel

29 Sep 2015, 05:18

44

10

10,402

by: GMATBusters

30 Aug 2024, 08:17

ER

Is the sum of integers a and b divisible by 7?

655-705 (Hard) | Multiples and Factors, Remainders

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

gmatjon

22 Oct 2009, 20:04

68

17

15,050

by: GMATBusters

30 Aug 2024, 07:12

ER -1

If x and y are nonzero integers, what is the remainder when odd intege

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

Bunuel

27 Dec 2016, 09:05

7

5

3,095

by: CTaylor2324

29 Aug 2024, 14:00

ER

Is (p - 2)(q - 2) square of an integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

kiran120680

29 Mar 2019, 12:42

14

4

3,215

by: NickelMue

27 Aug 2024, 12:08

ER

If x is a positive integer, is x!/2^x < 1 (1) The units digit of x!

655-705 (Hard) | Exponents, Inequalities

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

Bunuel

10 Nov 2022, 09:30

3

2

1,658

by: bumpbot

26 Aug 2024, 08:54

ER

A call to Rosie’s Psychic Hotline costs $5.99 for the first 2 minutes

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

26 Aug 2016, 07:19

10

6

7,573

by: pratiksha1998

24 Aug 2024, 10:22

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Is |a| > a? (1) a^2 > a (2) a/2 > 2/a

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

03 Apr 2020, 01:55

24

13

7,352

by: Bunuel

24 Aug 2024, 01:31

ER

A round trip from A to B takes 2 hours by car for Sarah. If she drives

655-705 (Hard) | Distance and Speed Problems

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amanvermagmat

29 Jun 2018, 00:52

9

3

3,009

by: bumpbot

22 Aug 2024, 21:55

ER

Of the four jars A, B, C, and D, does at least one jar has three or

655-705 (Hard) | Word Problems

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Bunuel

22 Aug 2024, 01:31

5

2

1,159

by: Krunaal

22 Aug 2024, 07:44

ER

If the product of x and y is -15, what is the sum of x and y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

09 Sep 2022, 01:30

3

2

1,493

by: bumpbot

20 Aug 2024, 14:52

ER

Around the World in 80 Questions (Day 8): What is the value of

655-705 (Hard) | Absolute Values +2 tags

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

Bunuel

26 Jul 2023, 08:00

20

8

5,099

by: bumpbot

20 Aug 2024, 08:11

ER

If xy ≠ 0, is x an integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

11 Sep 2015, 02:05

14

9

4,508

by: bumpbot

20 Aug 2024, 07:17

ER

If a, b and c are integers, is ab a multiple of 18?

655-705 (Hard) | Multiples and Factors

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

Bunuel

22 Mar 2021, 01:30

8

7

2,469

by: Bunuel

20 Aug 2024, 06:04

If p is a two digit prime number, what is the value of p?

655-705 (Hard) | Number Properties, Remainders

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

Carcass

02 Sep 2022, 00:07

4

2,633

by: bumpbot

19 Aug 2024, 10:40

ER

12 Days of Christmas GMAT Competition - Day 2: P is a positive integer

655-705 (Hard) | Multiples and Factors

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Bunuel

15 Dec 2021, 07:00

18

6

6,118

by: bumpbot

19 Aug 2024, 10:25

ER

If a, b, c, and d are integers where 0 < a < b < c < d, what is the va

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

unraveled

21 Aug 2019, 01:11

11

6

4,065

by: bumpbot

18 Aug 2024, 23:04

ER

If positive integer N = A – B, where A is a positive integer and B is

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

EgmatQuantExpert

13 Aug 2018, 03:10

131

16

18,697

by: bumpbot

18 Aug 2024, 13:26

ER

A group of 7 students took a test. In the test, one student scored 100

655-705 (Hard) | Statistics and Sets Problems

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

RJ7X0DefiningMyX

10 Jul 2019, 07:45

11

3

5,026

by: bumpbot

18 Aug 2024, 09:20