GMAT Club Forum

ER

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

Bunuel

25 Oct 2022, 08:11

55

7

24,453

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

162,666

by: bumpbot

28 Nov 2023, 14:32

ER

DS Question Directory by Topic and Difficulty

bb

07 Mar 2012, 08:58

1,422

0

449,025

by: bb

07 Mar 2012, 08:58

ER

What is the value of integer A ? (1) n = nA (2) 1^n ≠ n

655-705 Level | Algebra, Exponents

655-705 Level | Algebra, Exponents hide tags

Bunuel

02 Oct 2020, 03:00

11

5

1,538

by: Archit3110

02 Oct 2020, 08:08

ER

On Wednesday morning a fortune cookie machine ran continuously at a un

505-555 Level | Work and Rate Problems

505-555 Level | Work and Rate Problems hide tags

Bunuel

26 Apr 2017, 08:19

1

2

2,244

by: bumpbot

02 Oct 2020, 06:21

ER

On Thursday afternoon, two machines, J and R, ran continuously at unif

555-605 Level | Work and Rate Problems

555-605 Level | Work and Rate Problems hide tags

Bunuel

09 May 2017, 03:07

9

13

4,162

by: bumpbot

02 Oct 2020, 06:19

ER

Running at the same constant rate, 5 identical machines can produce on

555-605 Level | Work and Rate Problems

555-605 Level | Work and Rate Problems hide tags

Bunuel

05 May 2017, 04:53

7

3

5,248

by: bumpbot

02 Oct 2020, 06:11

ER

If two lathe machines work simultaneously at their respective constant

555-605 Level | Work and Rate Problems

555-605 Level | Work and Rate Problems hide tags

Bunuel

22 Oct 2018, 00:17

5

2

2,681

by: bumpbot

02 Oct 2020, 06:09

ER

In the figure above, what is the value of b?

655-705 Level | Geometry

655-705 Level | Geometry hide tags

Bunuel

03 Jan 2016, 11:46

9

5

6,300

by: bumpbot

02 Oct 2020, 03:07

ER

What is the maximum number of sheep that Ruben's pen will hold?

505-555 Level | Word Problems

505-555 Level | Word Problems hide tags

Bunuel

14 Nov 2014, 09:56

5

4

2,773

by: bumpbot

02 Oct 2020, 02:35

ER

If digit p is thousandths digit of A = 7.23p6. What is the value of p?

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

Bunuel

02 Oct 2020, 00:15

2

1

1,184

by: yashikaaggarwal

02 Oct 2020, 01:09

ER

If Q and R denote the nonzero digits of a three-digit number QRR, is Q

505-555 Level | Multiples and Factors

505-555 Level | Multiples and Factors hide tags

Bunuel

02 Oct 2020, 00:00

1

894

by: GMATinsight

02 Oct 2020, 00:24

ER

What is the remainder when a positive integer w is divided by 2?

555-605 Level | Remainders

555-605 Level | Remainders hide tags

Bunuel

25 Oct 2016, 23:37

1

5

2,239

by: GMATinsight

02 Oct 2020, 00:20

ER

What is the area of △ABC? (1) The measures of three angles are related

555-605 Level | Geometry

555-605 Level | Geometry hide tags

Bunuel

01 Oct 2020, 23:36

1

754

by: aviddd

01 Oct 2020, 23:49

ER

What is the value of ab? (1) 3a+ 2b = 23 (2) a + 4b = 21

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

Bunuel

29 Sep 2020, 01:43

1

3

1,465

by: TestPrepUnlimited

30 Sep 2020, 08:44

ER

What is 3 percent of y? (1) y=300 (2) 6 percent of y is 18.

Sub 505 Level | Percent and Interest Problems

Sub 505 Level | Percent and Interest Problems hide tags

Bunuel

29 Sep 2020, 01:59

1

847

by: saurabh11suman07

29 Sep 2020, 02:14

ER

If xy ≠ 0, what is the value of x? (1) yx^2 + 4xy + 4y = 0 (2) y = 6

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

26 Sep 2019, 04:22

6

4

5,067

by: ansug2000

28 Sep 2020, 09:26

ER

If M£ is defined by M£ = M^2 − 2. What is the value of the positive in

555-605 Level | Functions and Custom Characters, Number Properties

555-605 Level | Functions and Custom Characters, Number Properties hide tags

Bunuel

21 Sep 2018, 01:29

5

6

2,189

by: bumpbot

28 Sep 2020, 06:57

ER

Is x an integer ? (1) 2x + 1 is an integer (2) 5x – 1 is an integer

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Bunuel

28 Aug 2017, 04:06

10

8

2,916

by: MathRevolution

28 Sep 2020, 02:58

ER

What is the value of the integer y? (1) 40 < y < 44 (2) y has at least

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

Bunuel

31 Dec 2017, 12:05

6

3

1,458

by: bumpbot

27 Sep 2020, 21:50

ER

If x, y and z are integers, is x odd?

605-655 Level | Number Properties

605-655 Level | Number Properties hide tags

Bunuel

07 Sep 2015, 23:09

24

12

4,592

by: warrior1991

25 Sep 2020, 23:46

ER

There are 30 socks in a drawer. What is the probability that if 2 sock

555-605 Level | Probability

555-605 Level | Probability hide tags

Bunuel

29 Oct 2017, 01:46

10

4

4,529

by: bumpbot

25 Sep 2020, 06:30

ER

What is the value of (4a - b)/(a - b)?

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Bunuel

11 Jan 2018, 23:37

13

2

2,132

by: Target4bschool

24 Sep 2020, 12:27

ER

Is x < y ? (1) z + 1 < y (2) z > x

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

Bunuel

30 Jan 2017, 10:49

6

3

3,554

by: MHIKER

22 Sep 2020, 13:05

ER

If a < 0 and b < 0 , is (a - 2p)/(b - 2p) > a/b ?

655-705 Level | Inequalities

655-705 Level | Inequalities hide tags

Bunuel

03 Jun 2018, 11:10

26

6

13,303

by: bumpbot

21 Sep 2020, 09:50

ER

If the ratio of brown cars to blue cars in a certain parking lot is 2:

705-805 Level | Fractions and Ratios

705-805 Level | Fractions and Ratios hide tags

Bunuel

25 Jul 2016, 10:10

12

5

4,832

by: bumpbot

21 Sep 2020, 06:55

ER

A and B are in a line to purchase tickets. How many people are in the

605-655 Level | Word Problems

605-655 Level | Word Problems hide tags

Bunuel

15 Sep 2020, 10:00

4

6

2,757

by: stne

20 Sep 2020, 09:56

ER

x is a two-digit integer and y is a three-digit integer that is divi

705-805 Level | Multiples and Factors

705-805 Level | Multiples and Factors hide tags

Bunuel

19 Jun 2018, 23:46

16

6

4,378

by: Checkmate22

20 Sep 2020, 08:39

ER

If for all positive integers x and y, y > x, then is y!/x! even?

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Bunuel

01 May 2019, 00:52

2

1,620

by: bumpbot

19 Sep 2020, 23:39

ER

If a + b + c = 50, what is the value of a ?

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

Bunuel

22 Feb 2018, 21:08

3

8

2,319

by: MathRevolution

18 Sep 2020, 05:59

ER

Did airline M mishandle at least 50,000 bags last year ?

Sub 505 Level | Word Problems

Sub 505 Level | Word Problems hide tags

Bunuel

15 Sep 2020, 04:15

2

963

by: Akp880

15 Sep 2020, 08:48

ER

If a and b are integers, what is the value of a^2 + b^2 ?

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

Bunuel

15 Sep 2020, 05:00

3

1,176

by: Akp880

15 Sep 2020, 06:17

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

2,728

by: Akp880

15 Sep 2020, 06:12

ER

If m is a three-digit positive odd integer such that the sum of its di

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

Bunuel

15 Sep 2020, 03:00

1

4

2,637

by: Akp880

15 Sep 2020, 05:37

ER

If a is an integer, is a/2 an even integer?

605-655 Level | Number Properties

605-655 Level | Number Properties hide tags

Bunuel

14 Sep 2020, 00:15

5

4

1,843

by: MrBaby

14 Sep 2020, 08:20

ER

If x and y are non zero integers and a is a positive integer, is |x| =

655-705 Level | Absolute Values

655-705 Level | Absolute Values hide tags

Bunuel

19 Dec 2019, 02:03

9

4

4,107

by: gads1

13 Sep 2020, 19:30

ER

In the xy-plane, if line m has negative slope and passes through the

705-805 Level | Coordinate Geometry

705-805 Level | Coordinate Geometry hide tags

Bunuel

19 Jan 2018, 10:45

5

3,123

by: bumpbot

13 Sep 2020, 16:10

ER

If 5w + 3v = 13, what is the value of vw ? (1) w > 0 (2) w/v = 2

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

13 Sep 2020, 03:00

2

3

2,356

by: Bunuel

13 Sep 2020, 03:42

ER

Given z > 0, is x*z > 0? (1) xz = 3x (2) xz = -3x

655-705 Level | Algebra, Inequalities

655-705 Level | Algebra, Inequalities hide tags

Bunuel

11 Dec 2018, 02:05

3

5

2,143

by: bumpbot

12 Sep 2020, 21:47

ER

If m is an integer, is 14 a factor of m ? (1) 14 is a factor of 15 m.

555-605 Level | Multiples and Factors

555-605 Level | Multiples and Factors hide tags

Bunuel

01 May 2020, 08:33

5

2

1,736

by: Gauravji21

10 Sep 2020, 17:30

ER

For positive integer n, is the product (n)(n+1)(n+2) divisible by 24?

555-605 Level | Multiples and Factors

555-605 Level | Multiples and Factors hide tags

Bunuel

31 Dec 2017, 14:58

5

3

4,437

by: bumpbot

08 Sep 2020, 07:17

ER

If x is a positive integer, is the greatest common factor of 150 and x

655-705 Level | Multiples and Factors, Number Properties

655-705 Level | Multiples and Factors, Number Properties hide tags

Bunuel

25 Jun 2017, 03:22

11

5

6,532

by: bumpbot

07 Sep 2020, 20:53

ER

100 consumers were surveyed about their use of two products, soap A an

555-605 Level | Overlapping Sets

555-605 Level | Overlapping Sets hide tags

Bunuel

30 Apr 2017, 18:14

5

4

6,870

by: bumpbot

07 Sep 2020, 05:46

ER

What is the value of x^3 + y^3 ? (1) x + y = 7 (2) x^2 + y^2 = 25

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

06 Sep 2019, 10:55

8

2

1,597

by: CrackverbalGMAT

05 Sep 2020, 04:26

ER

Jack’s morning routine includes three activities: taking a shower, dri

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Bunuel

13 Feb 2019, 01:09

1

2

1,458

by: CrackverbalGMAT

03 Sep 2020, 23:17

ER

Jay's net income equals his gross income minus his deductions. By what

605-655 Level | Percent and Interest Problems, Word Problems

605-655 Level | Percent and Interest Problems, Word Problems hide tags

Bunuel

29 Aug 2019, 06:22

2

1,574

by: bumpbot

02 Sep 2020, 08:56

ER

If a and b are different integers, what is the value of a?

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Bunuel

25 Sep 2017, 23:42

4

1,764

by: bumpbot

01 Sep 2020, 11:31

ER

How long did it take Henry to drive to work last Wednesday? (He did no

505-555 Level | Distance and Speed Problems

505-555 Level | Distance and Speed Problems hide tags

Bunuel

19 May 2016, 03:24

4

3

8,045

by: bumpbot

01 Sep 2020, 08:28

ER

If every car sold last week at a certain used-car dealership was eithe

Sub 505 Level | Word Problems

Sub 505 Level | Word Problems hide tags

Bunuel

13 Nov 2017, 02:21

1

2

4,152

by: bumpbot

01 Sep 2020, 08:26

ER

Given that x and y are real numbers, what is the value of x + y ?

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

19 May 2016, 03:13

2

5,921

by: bumpbot

01 Sep 2020, 07:52

ER

If y and x are positive integers, is y divisible by x?

555-605 Level | Multiples and Factors

555-605 Level | Multiples and Factors hide tags

Bunuel

20 Apr 2016, 01:06

4

3

3,435

by: HowdyPartner

01 Sep 2020, 06:17

ER

If w < x < y < z, is the product of four numbers negative?

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Bunuel

10 Jun 2018, 05:06

2

1,617

by: bumpbot

01 Sep 2020, 05:44

ER

What is the value of p?

Sub 505 Level | Absolute Values, Algebra

Sub 505 Level | Absolute Values, Algebra hide tags

Bunuel

20 Dec 2015, 05:14

11

4

3,944

by: Bunuel

01 Sep 2020, 03:17

Data Sufficiency (DS)