GMAT Club Forum

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Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

55

7

24,600

by: unicornilove

22 May 2024, 11:49

ER

100 Hardest and easiest questions for DS as of May 2024

Bunuel

21 Aug 2015, 03:42

775

19

162,776

by: bumpbot

28 Nov 2023, 14:32

ER

DS Question Directory by Topic and Difficulty

bb

07 Mar 2012, 08:58

1,422

0

449,169

by: bb

07 Mar 2012, 08:58

ER

Set P consists of the first n positive multiples of 3 and set Q consis

805+ Level | Number Properties

805+ Level | Number Properties hide tags

Gmatprep998

28 May 2019, 03:58

12

3

2,713

by: Archit3110

01 Jun 2019, 23:15

ER

What is the value of the two-digit positive integer XY, where X repres

555-605 Level | Arithmetic

555-605 Level | Arithmetic hide tags

Bunuel

01 Jul 2018, 20:41

5

4

2,713

by: bumpbot

26 Oct 2019, 11:55

At a donation meeting yesterday, each of N persons donated $100

555-605 Level | Algebra, Arithmetic

555-605 Level | Algebra, Arithmetic hide tags

thalcantero

21 Aug 2017, 15:47

2

2,713

by: bumpbot

02 Feb 2024, 23:21

ER

For a set of 3 numbers, assuming there is only one mode, does the mode

705-805 Level | Statistics and Sets Problems

705-805 Level | Statistics and Sets Problems hide tags

Bunuel

26 Jun 2015, 02:24

10

4

2,714

by: bumpbot

25 Oct 2018, 00:11

ER

Is x+y>0?

655-705 Level | Absolute Values, Inequalities

655-705 Level | Absolute Values, Inequalities hide tags

rajarshee

24 Sep 2015, 02:08

21

5

2,714

by: crack1991

16 Oct 2019, 21:10

ER

What is the value of x? (1) |x + 9| = 2x (2) |2x − 9| = x

705-805 Level | Absolute Values

705-805 Level | Absolute Values hide tags

Bunuel

02 May 2021, 01:15

9

6

2,715

by: Bunuel

27 Feb 2022, 02:00

ER

Is a/b>0?

555-605 Level | Absolute Values +2 tags

555-605 Level | Absolute Values, Algebra, Fractions and Ratios hide tags

chetan2u

11 Nov 2017, 10:19

8

13

2,716

by: bumpbot

20 Nov 2019, 07:17

ER

If rs ≠ 0, is 1/r + 1/s =

555-605 Level | Algebra

555-605 Level | Algebra hide tags

gmatpapa

24 Jan 2011, 04:40

2

3

2,717

by: bumpbot

23 Apr 2016, 13:16

ER

If x is a positive integer, does the remainder, when (7^x + 1) is divi

555-605 Level | Exponents, Remainders

555-605 Level | Exponents, Remainders hide tags

Bunuel

01 Oct 2018, 04:55

11

3

2,717

by: auradediligodo

13 Oct 2019, 12:13

ER

For any integers a, b, c, and d, sechigh(a, b, c, d) is the second hig

705-805 Level | Functions and Custom Characters +2 tags

705-805 Level | Functions and Custom Characters, Number Properties, Word Problems hide tags

Bunuel

08 Sep 2021, 05:00

14

5

2,717

by: bumpbot

11 Mar 2023, 03:58

ER

If p/r = 3, What is the value of r ?

Sub 505 Level | Multiples and Factors, Number Properties

Sub 505 Level | Multiples and Factors, Number Properties hide tags

Bunuel

23 May 2020, 04:37

3

5

2,717

by: bumpbot

09 Sep 2023, 02:36

ER

Is x divisible by 405 ? (1) 27 is a factor of x (2) x is a multiple o

655-705 Level | Multiples and Factors

655-705 Level | Multiples and Factors hide tags

Bunuel

27 Feb 2023, 08:30

11

3

2,717

by: Fish181

01 Mar 2024, 08:48

ER

When a certain drug was administered to a group of patients, some pati

805+ Level | Overlapping Sets

805+ Level | Overlapping Sets hide tags

edwin.que

30 Oct 2023, 18:33

22

3

2,717

by: chetan2u

04 Apr 2024, 19:54

If TheSituation's average score for three games of pinball

505-555 Level | Statistics and Sets Problems

505-555 Level | Statistics and Sets Problems hide tags

TheSituation

23 May 2010, 11:38

1

6

2,719

by: bumpbot

10 Apr 2019, 06:02

ER

If φ is a function, does aφ 1 = 1 for all a? (1) 1φ a = 1 for all a. (

605-655 Level | Functions and Custom Characters

605-655 Level | Functions and Custom Characters hide tags

Sajjad1994

11 Jul 2019, 05:09

8

4

2,719

by: TestPrepUnlimited

13 Sep 2020, 16:06

ER

What is the length of the sides of a given cube?

Sub 505 Level | Geometry

Sub 505 Level | Geometry hide tags

MathRevolution

23 Aug 2018, 02:11

3

5

2,720

by: MathRevolution

26 Aug 2018, 18:20

ER

Does the graph of y = a(x - b)^2 + p intersect the x-axis?

605-655 Level | Coordinate Geometry

605-655 Level | Coordinate Geometry hide tags

Bunuel

08 May 2021, 01:13

12

3

2,720

by: bumpbot

26 Aug 2023, 00:16

ER

Every night, the Biased News Network (BNN) features more guests from

705-805 Level | Combinations

705-805 Level | Combinations hide tags

schrag2737

25 Aug 2020, 16:53

6

4

2,721

by: bumpbot

11 Jan 2024, 08:24

ER

Last week, Raina and Bob made a combined total of 190 sales at a compu

505-555 Level | Word Problems

505-555 Level | Word Problems hide tags

Bunuel

25 Apr 2016, 08:14

1

4

2,722

by: vipulshahi

31 May 2020, 07:55

ER

How long is the diagonal through the center of a particular cube?

505-555 Level | Geometry

505-555 Level | Geometry hide tags

Bunuel

22 Jan 2016, 10:27

12

2

2,722

by: bumpbot

28 Jan 2022, 02:10

ER

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

655-705 Level | Fractions and Ratios

655-705 Level | Fractions and Ratios hide tags

QuantMadeEasy

03 Mar 2020, 22:20

5

3

2,722

by: bumpbot

02 Jun 2024, 10:05

ER

If W is divisible by 7, is Z even or odd?

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

abilash10

04 Aug 2014, 20:22

7

2,723

by: Bunuel

12 Aug 2014, 04:47

ER

Machine A, machine B, and machine C, working together at their respect

505-555 Level | Work and Rate Problems

505-555 Level | Work and Rate Problems hide tags

Bunuel

09 May 2018, 11:05

1

2

2,723

by: Archit3110

11 Apr 2019, 11:38

ER

Is 3^x < 300? (1) 3^(x – 1) < 250 (2) 3^(x+ 1) = 3^x+ 486

555-605 Level | Exponents, Inequalities

555-605 Level | Exponents, Inequalities hide tags

Bunuel

25 Jul 2018, 21:45

6

5

2,723

by: bumpbot

29 Jan 2021, 22:07

ER

Mrs. Brown is dividing 50 students into 3 groups for a class project.

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Bunuel

15 Jan 2020, 02:20

3

2,723

by: ScottTargetTestPrep

16 Nov 2022, 14:50

ER

Is the probability of an element in Set B also being an elem

Poor Quality

Poor Quality hide tags

tabsang

28 Dec 2012, 05:50

6

4

2,724

by: Bunuel

17 Jul 2014, 08:58

If points A, B, C lie in the xy plane, is the area of triangle ABC

655-705 Level | Coordinate Geometry

655-705 Level | Coordinate Geometry hide tags

amanvermagmat

18 May 2018, 11:16

6

9

2,725

by: BingingOnNetflix

25 Jun 2019, 07:56

ER

The number of students in each of 10 different classes is a different

705-805 Level | Statistics and Sets Problems

705-805 Level | Statistics and Sets Problems hide tags

Bunuel

28 Jul 2020, 03:34

15

7

2,725

by: bumpbot

17 Dec 2022, 08:37

ER

If (p+q)>3 is q>1?

655-705 Level | Inequalities

655-705 Level | Inequalities hide tags

rajthakkar

20 Feb 2015, 01:35

8

6

2,726

by: SatvikVedala

16 Jan 2023, 19:39

ER

If m has the smallest prime number as its only prime factor, is

805+ Level | Multiples and Factors, Number Properties

805+ Level | Multiples and Factors, Number Properties hide tags

kiran120680

19 Apr 2019, 08:48

9

5

2,727

by: SaquibHGMATWhiz

28 Feb 2023, 04:33

ER

If |a – b| = 2, what is the value of b?

555-605 Level | Absolute Values, Inequalities

555-605 Level | Absolute Values, Inequalities hide tags

Bunuel

06 Dec 2016, 00:48

9

7

2,728

by: mvictor

10 Jan 2017, 16:04

ER

If the length of Amanda's membership was rounded up to the

505-555 Level | Word Problems

505-555 Level | Word Problems hide tags

avohden

10 Oct 2013, 20:16

4

2,728

by: bumpbot

21 Sep 2023, 07:44

ER

If m and n are positive integers, is m greater than n ?

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

Bunuel

15 Sep 2020, 04:30

3

4

2,729

by: Akp880

15 Sep 2020, 06:12

ER

If a, b, c, and d are positive numbers and a^(1/2) + b^(1/2) = c^(1/2)

705-805 Level | Inequalities, Sequences

705-805 Level | Inequalities, Sequences hide tags

Bunuel

24 Feb 2020, 02:14

16

6

2,730

by: bumpbot

23 Jun 2022, 08:26

ER

Is x < y?

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

Lolaergasheva

08 Mar 2011, 23:56

5

2,731

by: pvikas

16 May 2016, 19:28

ER

Four values from a data set of 5 elements are 10, 10, 11, and 11. What

605-655 Level | Statistics and Sets Problems

605-655 Level | Statistics and Sets Problems hide tags

MathRevolution

01 May 2018, 06:04

1

5

2,731

by: BelalHossain046

28 Jun 2019, 10:37

ER

Is x equal to –1? (1) |2x – 2| + |2x + 2| = 4 (2) |3x – 2| + |3x + 2|=

605-655 Level | Absolute Values

605-655 Level | Absolute Values hide tags

Bunuel

27 Nov 2017, 00:01

6

5

2,731

by: merajul

17 Nov 2019, 10:09

ER

If m and n are positive integers, is 3√m < √(m+n) ?

655-705 Level | Inequalities

655-705 Level | Inequalities hide tags

irda

15 Aug 2013, 05:03

5

2

2,732

by: bumpbot

12 May 2019, 19:52

ER

If a, b and c are integers greater than one, and 15^8=a·b^c, what is

705-805 Level | Exponents, Multiples and Factors

705-805 Level | Exponents, Multiples and Factors hide tags

Bunuel

06 Jan 2020, 06:59

11

6

2,732

by: bumpbot

25 Jan 2023, 13:45

ER

x is a positive integer; is x + 17,283 odd?

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Bunuel

31 May 2016, 02:43

2

3

2,734

by: bumpbot

04 May 2020, 03:33

ER

A, b, c are diameters of 3 circles respectively. If ∠Z=90o, what is th

655-705 Level | Geometry

655-705 Level | Geometry hide tags

MathRevolution

06 Feb 2016, 18:58

10

7

2,734

by: CuriosStud

30 Jan 2022, 08:11

ER

If A = abc, a three digit number where a is the hundreds digit, b is t

705-805 Level | Number Properties

705-805 Level | Number Properties hide tags

Bunuel

24 Nov 2021, 10:00

8

4

2,734

by: Bunuel

22 Apr 2024, 06:58

ER

Is p < 5? (1) In the coordinate plane, (3,p) lies inside the circle

505-555 Level | Coordinate Geometry

505-555 Level | Coordinate Geometry hide tags

Bunuel

20 Mar 2020, 01:41

7

8

2,735

by: razorhell

21 Mar 2020, 05:18

ER

What is the value of y ?

605-655 Level | Algebra

605-655 Level | Algebra hide tags

KGump

07 Oct 2017, 08:50

5

10

2,735

by: bumpbot

20 Sep 2023, 03:02

ER

If a*b = −8, what is the value of a + b? (1) a − b = 6 (2) a^2*b = 32

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Bunuel

25 Nov 2019, 02:13

3

2,736

by: Crytiocanalyst

15 Oct 2021, 06:27

ER

Of the 200 books a used-book store added to inventory last

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

enigma123

16 Mar 2012, 02:53

3

2

2,736

by: bumpbot

21 May 2024, 03:39

ER

If a#b, what is the value of a+b?

505-555 Level | Algebra

505-555 Level | Algebra hide tags

ashiima

10 Dec 2011, 17:43

1

2,737

by: IanStewart

10 Dec 2011, 18:29

ER

In ∆ABC to the right, what is the value of y? (1) AB = AC (2) x = 30

505-555 Level | Geometry

505-555 Level | Geometry hide tags

Bunuel

24 Jun 2017, 08:44

2

5

2,737

by: T700ISB

26 Jul 2017, 20:03

ER

If K is a positive integer, what is the units digit of K?

605-655 Level | Fractions and Ratios

605-655 Level | Fractions and Ratios hide tags

Bunuel

21 Mar 2018, 05:25

3

5

2,737

by: bumpbot

29 Nov 2019, 03:59

ER

In a hotel with single rooms and double rooms, what is the probability

555-605 Level | Probability

555-605 Level | Probability hide tags

Bunuel

15 Oct 2019, 02:25

7

4

2,737

by: bumpbot

13 May 2024, 11:59

Data Sufficiency (DS)