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

176

15

78,722

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

856

24

188,529

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

487,940

by: bb

29 Aug 2025, 13:27

ER

In a certain set of 300 stocks, each is priced at either $50, $100, or

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

28 Aug 2015, 02:33

29

4

3,538

by: bumpbot

16 Dec 2025, 20:29

ER

Janet purchased a house and later sold it at a price that was greater

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

09 Aug 2023, 05:00

29

4

12,706

by: bumpbot

12 Nov 2025, 12:53

ER

If m, s are the average and standard deviation of integers a, b, c

655-705 (Hard) | Statistics and Sets Problems

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

ashwink

12 Mar 2017, 20:49

29

5

9,427

by: pappal

11 Nov 2025, 13:02

ER

According to the graph above, the sale of fruits and vegetables in Sto

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

17 Dec 2014, 08:02

29

3

12,161

by: bumpbot

02 Nov 2025, 23:15

ER

GMAT Club Olympics 2024 (Day 3): Charlie invested $x for one year at

705-805 (Hard) | Percent and Interest Problems

705-805 (Hard) | Percent and Interest Problems hide tags

Bunuel

10 Jul 2024, 07:00

29

10

8,139

by: bumpbot

27 Oct 2025, 09:28

ER

A chemist combined 'a' milliliters of a solution that

655-705 (Hard) | Mixture Problems

655-705 (Hard) | Mixture Problems hide tags

Daeny

23 Sep 2012, 11:25

29

8

8,798

by: bumpbot

20 Oct 2025, 17:22

In a class of 100 students, how many are boys? (There is at least 1 gi

655-705 (Hard) | Mixture Problems

655-705 (Hard) | Mixture Problems hide tags

Aayu12

12 Jan 2020, 01:14

29

5

9,195

by: bumpbot

27 Sep 2025, 11:45

ER

Brian takes a weekend trip to visit a friend. What is his average rate

555-605 (Medium) | Distance and Speed Problems

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

aashu4uiit

23 Nov 2014, 13:35

29

7

12,656

by: bumpbot

23 Sep 2025, 05:35

ER

If pq 0, is p + q > 1/p + 1/q? (1) p < q < 1 (2) pq < 1

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

BengalScientist

12 Jun 2013, 19:33

29

8

10,959

by: bumpbot

24 Aug 2025, 21:52

ER

12 Days of Christmas GMAT Competition - Day 4: Last year in the North

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

Bunuel

14 Dec 2023, 07:00

29

18

3,906

by: bumpbot

12 Aug 2025, 13:13

ER

Set S contains exactly four distinct positive integers. Is t

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

daviesj

07 Jan 2013, 10:30

29

7

9,830

by: bumpbot

09 Aug 2025, 21:35

ER

Find the maximum value of a*b? 1) a and b are prime numbers 2) a+b =

555-605 (Medium) | Min-Max Problems, Number Properties

555-605 (Medium) | Min-Max Problems, Number Properties hide tags

GMATinsight

16 Aug 2018, 05:16

29

10

6,479

by: srik410

02 Aug 2025, 03:25

ER

If y is an integer and x + y + z is odd, is y even?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

18 Feb 2015, 04:45

29

18

6,209

by: bumpbot

12 Jul 2025, 10:01

ER

In the xy-coordinate plane, line l passes through the point (-3, 0).

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

12 Nov 2014, 10:09

29

5

9,072

by: bumpbot

01 Jul 2025, 06:33

ER

How many bags of grass seed were used for rectangular lawn X ?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

16 Dec 2014, 05:53

29

8

6,356

by: bumpbot

21 Jun 2025, 05:13

ER

In a certain class, some students donated cans of food to a local food

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

24 Jun 2018, 20:55

29

8

20,515

by: bumpbot

31 May 2025, 01:25

ER

Each of the cards in a deck of 50 cards has a number from 1 to 20

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

14101992

25 Jun 2016, 05:23

29

14

8,136

by: sp4949

30 Mar 2025, 14:18

ER

What is the value of n in the equation - 25 + 19 + n = S ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

02 Feb 2023, 09:53

29

16

26,236

by: bumpbot

27 Feb 2025, 05:56

ER

How many basic units of currency X are equivalent to 250 basi

Sub 505 (Easy) | Arithmetic

Sub 505 (Easy) | Arithmetic hide tags

Bunuel

21 Jun 2018, 09:39

29

13

27,486

by: bumpbot

14 Feb 2025, 21:08

ER

What is the remainder when p is divided by 5?

705-805 (Hard) | Number Properties, Remainders

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

1, 2

GMATBusters

23 May 2020, 19:04

29

20

8,743

by: bumpbot

10 Jan 2025, 11:01

ER

Is a positive integer x odd?

605-655 (Medium) | Multiples and Factors

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

Bunuel

14 May 2018, 01:58

29

5

5,157

by: bumpbot

29 Dec 2024, 10:46

ER

Is |k| = 2? (1) k^2 = 4 (2) k = |-2|

Sub 505 (Easy) | Absolute Values

Sub 505 (Easy) | Absolute Values hide tags

zz0vlb

28 Apr 2010, 12:30

29

5

14,064

by: bumpbot

11 Nov 2024, 23:05

ER

If the length of side AB is 17, is triangle ABC a right tria

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

enigma123

05 Feb 2012, 04:13

29

14

17,309

by: bumpbot

05 Nov 2024, 02:30

ER

If y^c = y^d+1 , what is the value of y?

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

Awli

09 Dec 2018, 09:31

29

15

5,775

by: bumpbot

02 Oct 2024, 14:11

ER

In a school election, if each of the 900 voters voted for either Edith

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

15 Dec 2014, 09:38

29

6

15,448

by: bumpbot

24 Aug 2024, 04:41

ER

A swim club that sold only individual and family memberships charged $

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

18 Dec 2014, 07:17

29

6

14,335

by: bumpbot

11 Aug 2024, 13:54

ER

What are the roots of the quadratic equation x^2 + bx + c = 0 if the

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

kiran120680

31 May 2019, 09:43

29

4

8,108

by: bumpbot

24 Jul 2024, 11:10

ER

If f(x) = 100 - x^2, is f(a) > f(b)? (1) a^2 > b^2 (2) a/b > 1

605-655 (Medium) | Algebra +2 tags

605-655 (Medium) | Algebra, Functions and Custom Characters, Inequalities hide tags

kiran120680

06 Mar 2019, 21:34

29

12

8,143

by: bumpbot

10 Jun 2024, 05:24

ER

Is (|x^(-1)*y^(-1)|)^(-1)> xy?

555-605 (Medium) | Absolute Values +2 tags

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

BPHASDEU

20 Feb 2017, 22:39

29

6

10,028

by: bumpbot

19 May 2024, 20:59

ER

The possible arguments of the functions f(x,y) and g(x,y) are x=0 or 1

655-705 (Hard) | Graphs and Illustrations

655-705 (Hard) | Graphs and Illustrations hide tags

Asifpirlo

06 Aug 2013, 15:29

29

8

6,739

by: bumpbot

15 May 2024, 13:24

ER

How many integers k are there such that x < k < y?

805+ (Hard) | Arithmetic

805+ (Hard) | Arithmetic hide tags

BrentGMATPrepNow

21 Jan 2020, 07:11

29

3

3,743

by: bumpbot

09 May 2024, 04:14

ER

Sets A and B each consist of three terms selected from the 5

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

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

daviesj

26 Dec 2012, 00:33

29

7

9,406

by: bumpbot

30 Apr 2024, 08:08

ER

How many positive factors does the positive integer x have?

555-605 (Medium) | Multiples and Factors, Number Properties

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

Nevernevergiveup

26 Dec 2015, 03:12

29

9

11,989

by: bumpbot

20 Apr 2024, 06:51

ER

If x is a positive integer, is the GCD of x + 3 and x + 5 more than 1?

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

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

EgmatQuantExpert

10 Mar 2024, 09:12

29

7

5,214

by: Haffun

10 Mar 2024, 08:21

ER

A certain floor of an office building has 1,200 square feet of floor

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

30 Aug 2015, 11:04

29

7

6,300

by: bumpbot

19 Feb 2024, 19:11

ER

If x is a negative integer, what is the value of x?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

BrentGMATPrepNow

24 Nov 2019, 12:14

29

6

5,514

by: bumpbot

12 Feb 2024, 04:10

ER

Is n > m ? (1) 7n > 9m (2) |n/m| > 1

705-805 (Hard) | Absolute Values, Inequalities

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

PrepTap

28 May 2022, 03:26

29

15

9,429

by: bumpbot

20 Jan 2024, 05:27

ER

Two missiles are launched simultaneously. Missile 1 launches

705-805 (Hard) | Inequalities, Word Problems

705-805 (Hard) | Inequalities, Word Problems hide tags

dvinoth86

23 Feb 2012, 22:45

29

3

13,359

by: saurabhbajpai

16 Jan 2024, 10:07

ER

Line M is tangent to a circle, which is centered on point

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

nitestr

12 Jun 2013, 18:45

29

10

12,174

by: bumpbot

02 Jan 2024, 11:07

ER

GMAT CLUB OLYMPICS: What is the number of factors of a positive intege

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

Bunuel

20 Aug 2021, 08:00

29

5

5,702

by: bumpbot

28 Dec 2023, 02:37

ER

If a, b, and c are positive and a^2+c^2=202, what is the val

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

ichauhan.gaurav

04 Jul 2013, 17:59

29

14

9,559

by: bumpbot

28 Oct 2023, 13:57

ER

Is x^3 > x^2? (1) x > 0 (2) x^2 > x

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

siddhans

22 Sep 2011, 01:18

29

14

7,225

by: bumpbot

24 Oct 2023, 18:53

ER

If P and Q are integers and P>0, then is Q divisible by 2?

805+ (Hard) | Exponents, Number Properties

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

PyjamaScientist

09 Nov 2021, 22:40

29

6

5,122

by: bumpbot

19 Oct 2023, 01:33

ER

What is the hundredths digit in the decimal expression of

705-805 (Hard) | Fractions and Ratios, Number Properties

705-805 (Hard) | Fractions and Ratios, Number Properties hide tags

rxs0005

15 Nov 2010, 17:10

29

11

8,544

by: bumpbot

20 Sep 2023, 04:30

ER

If x and y are integers great than 1, is x a multiple of y?

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

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

jananijayakumar

13 Aug 2010, 03:07

29

8

6,535

by: bumpbot

12 Sep 2023, 08:10

ER

If the positive integer n is greater than 6, what is the remainder whe

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

19 Jun 2018, 02:01

29

8

6,245

by: bumpbot

25 Jul 2023, 19:04

ER

Two consecutive positive integers, each greater than 9, are divided by

655-705 (Hard) | Multiples and Factors +2 tags

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

Bunuel

10 Jun 2020, 01:01

29

18

9,475

by: bumpbot

01 May 2023, 04:22

ER

If xy does not equal 0, what is the value of ((x^2)^3 y^4)/x

505-555 (Easy) | Algebra, Exponents

505-555 (Easy) | Algebra, Exponents hide tags

tonebeeze

05 Mar 2016, 19:43

29

7

11,115

by: bumpbot

27 Apr 2023, 23:17

ER

If x < p < q < y. Is |q - x| < |q - y|?

805+ (Hard) | Absolute Values, Inequalities

805+ (Hard) | Absolute Values, Inequalities hide tags

jamifahad

11 Jul 2013, 01:37

29

16

10,201

by: bumpbot

25 Mar 2023, 22:58

ER

If x, y, and z are distinct integers, which integer is the median of t

805+ (Hard) | Arithmetic, Sequences

805+ (Hard) | Arithmetic, Sequences hide tags

AbdurRakib

15 Nov 2018, 04:08

29

9

7,103

by: bumpbot

13 Nov 2022, 03:44