GMAT Club Forum

ER

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

Bunuel

25 Oct 2022, 08:11

60

7

25,505

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

779

19

163,225

by: bumpbot

28 Nov 2023, 14:32

ER

DS Question Directory by Topic and Difficulty

bb

07 Mar 2012, 08:58

1,424

0

449,894

by: bb

07 Mar 2012, 08:58

ER

If a and b are positive integers, is a*b a prime number?

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

Bunuel

06 Dec 2018, 05:40

1

4

2,512

by: Bunuel

16 Nov 2021, 09:23

ER

Are positive integers m and n both multiples of 3?

555-605 Level | Multiples and Factors

555-605 Level | Multiples and Factors hide tags

Bunuel

22 Nov 2018, 02:34

6

5

3,120

by: Bunuel

16 Nov 2021, 09:25

ER

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

605-655 Level | Algebra

605-655 Level | Algebra hide tags

Bunuel

06 Jul 2018, 00:15

2

5

2,878

by: Bunuel

16 Nov 2021, 09:26

ER

Is the positive integer n divisible by 8? (1) n is divisible by three

505-555 Level | Multiples and Factors

505-555 Level | Multiples and Factors hide tags

Bunuel

15 Jul 2018, 21:32

2

12

4,429

by: Bunuel

16 Nov 2021, 09:27

ER

What is the volume of a right cylindrical can?

555-605 Level | Geometry

555-605 Level | Geometry hide tags

Bunuel

24 Jan 2019, 05:09

2

4

2,523

by: Bunuel

16 Nov 2021, 09:29

ER

If x is a non-zero integer, is x a prime number?

805+ Level | Absolute Values, Exponents

805+ Level | Absolute Values, Exponents hide tags

Bunuel

21 May 2018, 00:05

41

16

5,455

by: Bunuel

17 Nov 2021, 03:13

ER

What is the value of positive integer N? (1) N^2 has 3 positive facto

555-605 Level | Multiples and Factors

555-605 Level | Multiples and Factors hide tags

Bunuel

17 Nov 2021, 05:30

1

1,213

by: PyjamaScientist

17 Nov 2021, 05:43

ER

Is |a| + |b| >|a + b| ? (1) |ab| > ab (2) a/b < 0

505-555 Level | Absolute Values, Inequalities

505-555 Level | Absolute Values, Inequalities hide tags

Bunuel

17 Nov 2021, 05:00

2

1

1,402

by: chetan2u

17 Nov 2021, 06:44

ER

Is ab > a/b , where a and b are non-zero numbers ? (1) 0 < a < b < 1

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Bunuel

17 Nov 2021, 06:00

1

872

by: Anurocks1233

17 Nov 2021, 06:53

ER

For a series of positive numbers P1, P2, P3, ..., Pn, P(n + 1)= Pn/3 f

555-605 Level | Sequences

555-605 Level | Sequences hide tags

Bunuel

17 Nov 2021, 03:00

2

1

1,952

by: Nidzo

17 Nov 2021, 08:04

ER

If x and y are integers, what is the value of (x-y)^2?

605-655 Level | Algebra

605-655 Level | Algebra hide tags

Bunuel

17 Nov 2021, 09:00

1

1,145

by: gmataman93

17 Nov 2021, 09:05

ER

If a and b are positive integers, is (ab)^b+1 − a^a+1 odd? (1) 2a + 3

705-805 Level | Exponents, Number Properties

705-805 Level | Exponents, Number Properties hide tags

Bunuel

17 Nov 2021, 04:30

5

2

2,027

by: JerryAtDreamScore

17 Nov 2021, 09:22

ER

In a class test, the median score is 50. what percent of the students

655-705 Level | Statistics and Sets Problems

655-705 Level | Statistics and Sets Problems hide tags

Bunuel

17 Nov 2021, 08:30

1

1,879

by: JerryAtDreamScore

17 Nov 2021, 09:41

ER

a, b and c are consecutive integers, in that order. If a > 1, is b odd

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Bunuel

17 Nov 2021, 06:30

5

1

974

by: Abhishekgmat87

18 Nov 2021, 09:52

ER

A shopkeeper was selling apples, mangoes, oranges and bananas. The pri

655-705 Level | Word Problems

655-705 Level | Word Problems hide tags

Bunuel

17 Nov 2021, 10:00

2

2,507

by: pkleo

18 Nov 2021, 10:48

ER

Stacy went to a fashionista sample sale to buy miniskirts for her soro

505-555 Level | Word Problems

505-555 Level | Word Problems hide tags

Bunuel

02 Oct 2020, 00:15

3

1,032

by: sanjitscorps18

19 Nov 2021, 09:56

ER

In the given figure ABCD is a rectangle and EF || AD. AEG and FEB are

655-705 Level | Geometry

655-705 Level | Geometry hide tags

Bunuel

30 May 2020, 12:19

10

6

5,445

by: bumpbot

19 Nov 2021, 10:30

ER

If a certain parking lot contains 40 motor vehicles, how many of the

Sub 505 Level | Word Problems

Sub 505 Level | Word Problems hide tags

Bunuel

19 Nov 2021, 02:30

3

5

1,555

by: IanStewart

19 Nov 2021, 13:40

ER

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

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Bunuel

21 Oct 2019, 23:32

3

2,604

by: bumpbot

20 Nov 2021, 10:42

ER

When a rectangular label, 21.5cm long, is wrapped around the curved su

555-605 Level | Geometry

555-605 Level | Geometry hide tags

Bunuel

30 Oct 2019, 21:50

4

2

1,757

by: bumpbot

20 Nov 2021, 13:26

ER

Is the integer x a perfect square? (1) x is even. (2) 13 < x < 17

Sub 505 Level | Number Properties

Sub 505 Level | Number Properties hide tags

Bunuel

04 Aug 2021, 07:30

4

1,719

by: Bunuel

21 Nov 2021, 02:39

ER

A rectangular solid box is x inches long, y inches wide and z inches

705-805 Level | Geometry

705-805 Level | Geometry hide tags

Bunuel

19 Nov 2014, 08:18

30

5

6,154

by: bumpbot

21 Nov 2021, 16:59

ER

Joe and Bill drove separate cars along the entire length of a certain

505-555 Level | Distance and Speed Problems

505-555 Level | Distance and Speed Problems hide tags

Bunuel

05 May 2017, 04:43

4

3

2,478

by: bumpbot

25 Nov 2021, 02:57

ER

What is the value of the product of x and y?

555-605 Level | Multiples and Factors

555-605 Level | Multiples and Factors hide tags

Bunuel

05 Dec 2016, 03:01

2

1,487

by: bumpbot

25 Nov 2021, 03:54

ER

Is quadrilateral ABCD a square? (1) ABCD is a rhombus. (2) ABCD is a

555-605 Level | Geometry

555-605 Level | Geometry hide tags

Bunuel

24 Nov 2021, 03:00

1

934

by: Charli08

26 Nov 2021, 06:51

ER

Given the linear equation y = ax + b, for what values of x will y < 0?

605-655 Level | Coordinate Geometry

605-655 Level | Coordinate Geometry hide tags

Bunuel

14 Jan 2020, 05:13

4

3

2,667

by: bumpbot

27 Nov 2021, 20:32

ER

If O is the center of the circle above and the length of chord AB is 2

705-805 Level | Geometry

705-805 Level | Geometry hide tags

Bunuel

25 Nov 2019, 02:19

7

5

5,327

by: thakurarun85

28 Nov 2021, 08:40

ER

If r and s are positive integers, r is what percent of s?

Sub 505 Level | Percent and Interest Problems

Sub 505 Level | Percent and Interest Problems hide tags

Bunuel

23 Sep 2018, 05:14

9

3

9,433

by: BLTN

30 Nov 2021, 02:23

ER

What is the arithmetic mean (simple average) of three numbers?

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

Bunuel

17 Oct 2020, 13:23

4

1,642

by: bumpbot

30 Nov 2021, 14:24

ER

Does cone A have the same volume as cylinder B? (Volume of a cone = 1/

505-555 Level | Geometry

505-555 Level | Geometry hide tags

Bunuel

01 Dec 2021, 02:30

3

2

1,709

by: ElninoEffect

01 Dec 2021, 04:36

ER

If y > 0, is x/y < 3? (1) x(x + y) − 4y(x + y) < 0 (2) 5(y + 8) < 20y

705-805 Level | Inequalities

705-805 Level | Inequalities hide tags

Bunuel

01 Dec 2021, 06:00

2

1

1,347

by: Fdambro294

01 Dec 2021, 09:53

ER

What is the value of x − 3z?

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

01 Dec 2021, 05:45

1

871

by: Showmeyaa

01 Dec 2021, 13:30

ER

Every student in a room is a junior or a senior, and there are no othe

Sub 505 Level | Word Problems

Sub 505 Level | Word Problems hide tags

Bunuel

01 Dec 2021, 08:30

2

738

by: IanStewart

02 Dec 2021, 06:41

ER

If m = z^5, is m < 1? (1) 3 – (y– x) > x– (y– 3z) (2) z < 3

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Bunuel

01 Dec 2021, 06:30

1

896

by: sahilvermani

02 Dec 2021, 06:56

ER

Two natural numbers a and b are such that a = 3b + b^2. Is 'a' a multi

655-705 Level | Multiples and Factors

655-705 Level | Multiples and Factors hide tags

Bunuel

24 Nov 2021, 04:00

3

1,381

by: stne

02 Dec 2021, 11:45

ER

If -3x > 4y, is x < 0? (1) y > 0 (2) 3x + 5y – 20 = 0

705-805 Level | Inequalities

705-805 Level | Inequalities hide tags

Bunuel

21 Apr 2017, 07:55

20

7

3,479

by: bumpbot

03 Dec 2021, 07:52

ER

In how many years would Bane be exactly thrice as old as his grandson?

705-805 Level | Word Problems

705-805 Level | Word Problems hide tags

Bunuel

06 Aug 2017, 01:03

10

6

1,924

by: bumpbot

03 Dec 2021, 10:16

ER

In xy plane, line K passes through the points A(6, -7) and B(4, 5). Do

505-555 Level | Coordinate Geometry

505-555 Level | Coordinate Geometry hide tags

Bunuel

02 Apr 2019, 03:26

6

2

2,853

by: bumpbot

03 Dec 2021, 19:23

ER

A man invested $P in a certain bank at the rate of r% per annum compou

555-605 Level | Percent and Interest Problems

555-605 Level | Percent and Interest Problems hide tags

Bunuel

01 Dec 2021, 04:30

1

1,771

by: stne

04 Dec 2021, 01:01

ER

Two typists P and Q work individually for 6 hours a day. What is the

655-705 Level | Work and Rate Problems

655-705 Level | Work and Rate Problems hide tags

Bunuel

01 Dec 2021, 04:00

1

1,672

by: Vishwas1998

04 Dec 2021, 03:50

ER

How many times does Mary get paid in a certain year X ?

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Bunuel

20 Feb 2018, 09:12

3

1,945

by: bumpbot

04 Dec 2021, 10:22

ER

Internal angle bisectors of triangle ABC with right angle at B meet at

655-705 Level | Geometry

655-705 Level | Geometry hide tags

Bunuel

17 Nov 2021, 09:30

12

8

1,918

by: KarishmaB

05 Dec 2021, 21:27

ER

If a and b are positive, what is the value of a + b?

805+ Level | Exponents

805+ Level | Exponents hide tags

Bunuel

31 Aug 2018, 23:01

46

14

7,394

by: askelan

06 Dec 2021, 05:44

ER

The figure above represents a rectangular plot of land that is to be d

655-705 Level | Geometry

655-705 Level | Geometry hide tags

Bunuel

11 Sep 2018, 02:36

3

2,590

by: Novice90

06 Dec 2021, 13:18

ER

In a class, every student is either American or European. Every studen

655-705 Level | Probability

655-705 Level | Probability hide tags

Bunuel

01 Dec 2021, 09:30

6

9

2,308

by: chetan2u

06 Dec 2021, 20:28

ER

Is |x| + |y| > |x - y| ?

655-705 Level | Absolute Values, Inequalities

655-705 Level | Absolute Values, Inequalities hide tags

Bunuel

06 Jun 2016, 04:10

21

9

3,245

by: bumpbot

07 Dec 2021, 01:59

ER

If two products are both increased by 7%, how much more will Product A

655-705 Level | Word Problems

655-705 Level | Word Problems hide tags

Bunuel

08 Dec 2021, 03:30

1

661

by: sanjitscorps18

08 Dec 2021, 07:05

ER

What is the area of the triangle ABC? (1) y^2 - 14y + 48 = 0

805+ Level | Geometry

805+ Level | Geometry hide tags

Bunuel

08 Dec 2021, 03:00

1

2

1,004

by: IanStewart

08 Dec 2021, 07:30

ER

Can x equal 0 ? (1) x^2 + 1 > 2x + 4 (2) (x + 1)^2 – 2x > 2(x + 1) +

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Bunuel

08 Dec 2021, 08:00

4

1,076

by: errorlogger

08 Dec 2021, 08:23

ER

If a and b are constants, what is one solution of the equation (x + a)

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

29 Mar 2016, 03:08

13

3

8,688

by: BrentGMATPrepNow

08 Dec 2021, 11:29

Data Sufficiency (DS)