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

78,586

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

854

24

188,439

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

487,794

by: bb

29 Aug 2025, 13:27

ER

If x + y > 0, is x > |y|? (1) x > y (2) y < 0

655-705 (Hard) | Absolute Values, Inequalities

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

bibha

07 May 2010, 22:05

119

7

22,462

by: bumpbot

10 Dec 2025, 02:22

ER

Of the 200 members of a certain association, each member who speaks Ge

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Gordon

21 Oct 2019, 08:48

119

19

33,452

by: bumpbot

07 Oct 2025, 21:54

ER -1

A certain pizzeria has more than fifty types of pizzas on its menu.

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

GMATCoachBen

06 Feb 2024, 19:21

119

13

14,298

by: Goldenfuture

01 Aug 2025, 19:27

ER

If w, x, y, and z are the digits of the four-digit number N, a positiv

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

gmattokyo

07 Aug 2019, 03:12

119

6

29,442

by: bumpbot

20 Jun 2025, 00:24

ER

If n is an integer, is n positive? (1) (2n + 1)/(n + 1) is an integer

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

jcmsolis2015

10 Jul 2021, 02:58

119

11

15,214

by: bumpbot

24 Dec 2024, 00:51

ER

On the scale drawing of a certain house plan if 1 centimeter represent

Sub 505 (Easy) | Fractions and Ratios, Geometry

Sub 505 (Easy) | Fractions and Ratios, Geometry hide tags

AbdurRakib

01 Jul 2016, 07:02

119

16

29,752

by: bumpbot

24 Aug 2024, 02:39

ER

If S is a set of odd integers and 3 and –1 are in S, is –15 in S ?

505-555 (Easy) | Sequences

505-555 (Easy) | Sequences hide tags

Bunuel

26 Apr 2019, 01:57

118

18

24,168

by: bumpbot

20 Apr 2026, 10:50

ER

The mode of a set of integers is x. what is the difference

805+ (Hard) | Statistics and Sets Problems

805+ (Hard) | Statistics and Sets Problems hide tags

Smita04

20 Sep 2012, 05:05

118

17

31,187

by: bumpbot

27 Mar 2026, 02:16

ER

What is the value of the two-digit positive integer n?

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

alex1233

16 Mar 2013, 14:04

118

14

16,445

by: bumpbot

01 Mar 2025, 11:07

ER

In the number 1.4ab5, a and b represent single positive

605-655 (Medium) | Fractions and Ratios

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

shinewine

11 Jul 2013, 09:14

118

16

26,518

by: Apeksha2101

04 Dec 2024, 10:51

ER

A committee of 2 people is to be formed from a group of 8

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

MichelleSavina

22 Jan 2011, 03:06

118

12

24,008

by: bumpbot

29 Aug 2024, 21:17

ER

The table above shows the cancellation fee schedule that a travel agen

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

14 Feb 2014, 02:01

117

15

27,618

by: Harsh_

11 Apr 2026, 01:33

ER

Can financial budgeting help individuals avoid debt?

705-805 (Hard) | Non-Math Related

705-805 (Hard) | Non-Math Related hide tags

GMATinsight

26 May 2024, 02:14

117

17

10,026

by: Bunuel

14 Dec 2025, 00:59

ER

If the arithmetic mean of n consecutive odd integers is 20, what is

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

19 Aug 2015, 03:05

117

11

13,803

by: bumpbot

28 Jul 2025, 10:57

ER

Is the hundredths digit of the decimal d greater than 5?

555-605 (Medium) | Fractions and Ratios

555-605 (Medium) | Fractions and Ratios hide tags

amitjash

05 Oct 2010, 07:58

117

14

36,959

by: bumpbot

23 Jun 2025, 23:04

ER

If k is a positive integer and the tens digit of k+5 is 4

605-655 (Medium) | Fractions and Ratios, Number Properties

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

bekbek

27 Jul 2015, 08:48

117

4

25,723

by: bumpbot

25 Apr 2025, 11:35

ER

In City X last April, was the average (arithmetic mean)

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

09 Jul 2012, 04:53

117

11

31,392

by: bumpbot

17 Apr 2025, 03:54

ER

To fill an order, a manufacturer had to produce 1000 tools per day for

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

sandranjeim

13 Jun 2019, 02:42

117

13

26,368

by: bumpbot

26 Aug 2024, 03:51

ER

Is st = t ? (1) s = st (2) t = ts

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

sidmaken

07 Jun 2014, 13:04

117

13

36,078

by: bumpbot

19 Jan 2024, 03:13

ER

In a certain sequence, each term, starting with the 3rd term

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

mun23

27 Mar 2013, 22:53

116

16

29,802

by: bumpbot

16 Sep 2025, 07:36

ER

A total of 100 customers purchased books at a certain bookstore last

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

IgnitedMind

12 Sep 2008, 10:14

116

11

24,847

by: KarishmaB

15 Sep 2025, 00:08

ER

Jazz and blues recordings accounted for 6 percent of the $840 million

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

16 Jun 2016, 05:45

116

13

34,535

by: bumpbot

19 Aug 2025, 07:45

ER

Bobby and his younger brother Johnny have the same birthday. Johnny's

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

03 Nov 2014, 09:31

116

7

12,884

by: bumpbot

27 Jul 2025, 05:38

ER

Robots X, Y, and Z each assemble components at their respect

555-605 (Medium) | Fractions and Ratios

555-605 (Medium) | Fractions and Ratios hide tags

Bunuel

24 Sep 2012, 05:16

116

14

27,458

by: bumpbot

16 Jun 2025, 06:09

ER

At a souvenir shop, all posters are priced equally and all

505-555 (Easy) | Multiples and Factors

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

bulletpoint

15 Oct 2013, 08:04

116

12

39,357

by: bumpbot

11 Sep 2023, 17:36

ER

During a 6·day local trade show, the least number of people

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Walkabout

13 Dec 2012, 07:42

115

8

25,121

by: totaltestprepNick

04 Mar 2026, 10:52

ER

How many crayons are in a certain box? (1) If the crayons were evenly

555-605 (Medium) | Remainders, Word Problems

555-605 (Medium) | Remainders, Word Problems hide tags

Bunuel

01 Aug 2023, 10:00

115

12

24,938

by: ariiiianna

17 Feb 2026, 04:16

ER

Last summer, as with every summer, Oshin and Reena made exactly one

655-705 (Hard) | Non-Math Related, Word Problems

655-705 (Hard) | Non-Math Related, Word Problems hide tags

GMATCoachBen

06 Feb 2024, 18:42

115

10

12,524

by: bumpbot

03 Jan 2026, 00:12

ER

Is quadrilateral RSTV a rectangle?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

shikhar

09 Jan 2019, 02:10

115

17

22,514

by: bumpbot

11 Sep 2025, 05:27

ER

A group of friends dined at a restaurant and paid a total of $132 for

805+ (Hard) | Percent and Interest Problems

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

ShortcutoSpeed

13 Nov 2023, 15:33

115

8

15,545

by: BinodBhai

30 Aug 2025, 00:26

ER

The table above shows the number of students in a certain high school

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

26 Oct 2015, 10:07

115

11

29,576

by: bumpbot

08 Jul 2025, 07:12

ER

Is x divisible by 30?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

enigma123

12 Jul 2013, 10:46

115

19

18,042

by: bumpbot

15 Nov 2024, 02:47

ER

If p, q and r are integers, and pq + r is an odd integer, is p an even

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

ashikaverma13

12 Nov 2017, 11:35

115

9

17,786

by: bumpbot

19 Oct 2024, 03:13

ER

There were 2 apples and 5 bananas in a basket. After

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Jcpenny

08 Nov 2008, 18:15

115

17

48,550

by: Bunuel

03 Dec 2023, 06:52

ER

What is the length of the hypotenuse of ΔABC ?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

gmatt1476

21 Sep 2019, 18:08

115

18

18,605

by: bumpbot

15 Oct 2023, 05:35

ER

Is x negative?

705-805 (Hard) | Exponents, Inequalities

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

PrashantPonde

17 Feb 2013, 12:16

114

13

19,822

by: bumpbot

24 Nov 2025, 05:09

ER

If y ≠2xz, what is the value of (2xz + yz)/(2xz – y)?

505-555 (Easy) | Algebra, Number Properties

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

AbdurRakib

15 Jun 2016, 03:30

114

18

34,915

by: bumpbot

01 Nov 2025, 07:46

ER

Is |x| < 1 ? (1) |x + 1| = 2|x – 1| (2) |x – 3| > 0

805+ (Hard) | Absolute Values, Inequalities

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

mn2010

16 Jun 2021, 01:32

114

8

18,307

by: bumpbot

14 Oct 2025, 05:57

ER

If x and y are integers and -x < y < x, does (x^2 - y^2)^(1/2) = x + y

805+ (Hard) | Absolute Values +3 tags

805+ (Hard) | Absolute Values, Algebra, Coordinate Plane, Number Properties hide tags

1, 2

Bunuel

14 Jun 2017, 04:26

114

25

16,272

by: bumpbot

29 Aug 2025, 05:02

ER

Is x between 0 and 1 ? (1) x^2 is less than x (2) x^3 is positive

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

jscott319

04 Nov 2010, 19:49

114

15

38,527

by: KalleAbhi

19 Jul 2025, 05:39

ER

If n is an integer and x^n – x^(-n) = 0, what is the value of x ?

655-705 (Hard) | Algebra, Exponents

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

DeeptiM

04 Dec 2020, 08:32

114

9

21,647

by: bumpbot

11 Jul 2025, 02:38

ER

If |a + 5| = |b + 5| what is the value of a + b?

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

gmat2805

24 Jul 2013, 23:14

114

18

21,230

by: bumpbot

12 Jun 2025, 22:53

ER

If p is a positive integer, what is the value of p?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

1, 2

jimmyjamesdonkey

09 Apr 2014, 01:17

114

22

62,889

by: Bunuel

01 May 2025, 13:17

ER

During a one day sale, a store sold each sweater of a certain type for

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

netcaesar

12 Dec 2018, 05:06

114

17

44,591

by: bumpbot

08 Mar 2025, 08:25

ER

If x is different from 0, is |x| < 1 ?

805+ (Hard) | Absolute Values, Inequalities

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

Carcass

29 Jan 2012, 08:29

114

14

18,382

by: bumpbot

14 Jan 2025, 10:20

ER

Jeff is painting two murals on the front of an old apartment

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

chiragr

08 Feb 2018, 05:29

114

17

21,314

by: JeffTargetTestPrep

25 Jun 2023, 18:46

ER

Does the equation y = (x – p)(x – q) intercept the x-axis at

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

1, 2

alchemist009

09 Jun 2012, 17:24

114

20

31,758

by: bumpbot

30 May 2023, 02:30

ER

On a certain day it took Bill three times as long to drive from home

555-605 (Medium) | Distance and Speed Problems

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

dobinnoli

30 Sep 2022, 14:30

113

4

27,286

by: bumpbot

23 Dec 2025, 20:25

ER

The cost of a certain phone call was $0.75 for the first 3 minutes and

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

megafan

17 Dec 2013, 17:06

113

11

27,084

by: egmat

24 Sep 2025, 01:00

ER

In a certain building, 1/5 of the offices have both a window

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

Jp27

25 Oct 2012, 00:36

113

12

21,599

by: Bunuel

07 Sep 2025, 11:04