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

24,464

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

162,683

by: bumpbot

28 Nov 2023, 14:32

ER

DS Question Directory by Topic and Difficulty

bb

07 Mar 2012, 08:58

1,422

0

449,034

by: bb

07 Mar 2012, 08:58

ER

Can the positiveve integer x be expressed as the product of

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

enigma123

27 Mar 2014, 03:34

4

2

2,134

by: bumpbot

12 Feb 2024, 10:26

ER

If P and Q represent the hundreds and tens digits, respectively, in th

705-805 Level | Multiples and Factors, Overlapping Sets

705-805 Level | Multiples and Factors, Overlapping Sets hide tags

Bunuel

12 May 2021, 22:00

10

5

2,134

by: donu

21 Dec 2023, 12:19

ER

Is the average (arithmetic mean) of a, b, and c greater than 12?

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Bunuel

01 Jan 2018, 01:30

4

2

2,134

by: bumpbot

31 Jul 2021, 09:40

Given a,b,c are prime numbers and

655-705 Level | Remainders

655-705 Level | Remainders hide tags

RMD007

23 Jan 2017, 10:43

3

2

2,135

by: bumpbot

19 Dec 2023, 07:45

ER

AB and CD are both diameters of a circle with centre O. So A, B, C, D

555-605 Level | Geometry

555-605 Level | Geometry hide tags

amanvermagmat

04 Jul 2018, 23:20

2

2,135

by: PKN

05 Jul 2018, 01:04

ER

If x > 1 is (x+y)(x-y) an even integer?

805+ Level | Number Properties

805+ Level | Number Properties hide tags

Harley1980

08 Apr 2015, 00:33

12

4

2,135

by: bumpbot

21 Feb 2018, 08:42

The level of nitrates was measured and recorded for 10 water samples

655-705 Level | Statistics and Sets Problems

655-705 Level | Statistics and Sets Problems hide tags

guddo

24 Jan 2024, 02:09

15

2

2,136

by: gmatophobia

28 Jan 2024, 13:41

ER

Is x^12 – 2x^11 negative? (1) x^2 < |x| (2) x^(-1) < -1

705-805 Level | Absolute Values, Inequalities

705-805 Level | Absolute Values, Inequalities hide tags

Bunuel

09 Dec 2019, 00:56

9

7

2,136

by: catinabox

04 Aug 2020, 09:23

ER

If x > 0, y > 0, and a ≠ y, is (x − a)/(y − a) < x/y ?

805+ Level | Inequalities

805+ Level | Inequalities hide tags

Bunuel

06 Oct 2021, 06:30

10

4

2,137

by: bumpbot

31 Aug 2023, 13:36

ER

For distinct positive integers x and y, where x < y, the function FP(x

805+ Level | Number Properties

805+ Level | Number Properties hide tags

Bunuel

03 Jun 2020, 23:02

16

7

2,137

by: bumpbot

05 Aug 2022, 09:46

ER

Is ABC an isosceles triangle? (1) AD = DC (2) The area of ABD

605-655 Level | Geometry

605-655 Level | Geometry hide tags

Bunuel

25 Mar 2022, 01:30

1

3

2,137

by: Nidzo

01 Apr 2022, 08:27

ER

Y and Z are both positive numbers less than 1. Is Y > Z ?

655-705 Level | Fractions and Ratios, Number Properties

655-705 Level | Fractions and Ratios, Number Properties hide tags

Bunuel

03 Jun 2018, 11:12

10

6

2,137

by: bumpbot

28 May 2020, 08:41

ER

A man goes from home to office at an average speed of a km/hr. and on

805+ Level | Distance and Speed Problems

805+ Level | Distance and Speed Problems hide tags

GMATinsight

11 Jun 2020, 21:07

8

6

2,138

by: ShankSouljaBoi

15 Oct 2020, 04:41

ER

Is |a - b| < |a| + |b| ? (1) a/b < 0 (2) a^2*b < 0

655-705 Level | Absolute Values, Inequalities

655-705 Level | Absolute Values, Inequalities hide tags

Bunuel

21 Jan 2021, 01:15

9

4

2,139

by: bumpbot

24 Jan 2023, 13:56

ER

The average (arithmetic mean) of a, b, c, d, e is 7. What is the avera

555-605 Level | Statistics and Sets Problems

555-605 Level | Statistics and Sets Problems hide tags

Bunuel

12 May 2021, 04:00

1

2

2,139

by: Bunuel

15 May 2021, 02:00

ER

If z is the sum of three consecutive odd positive integers, is z evenl

655-705 Level | Multiples and Factors, Remainders

655-705 Level | Multiples and Factors, Remainders hide tags

Bunuel

23 Mar 2020, 06:57

12

3

2,140

by: bumpbot

07 Apr 2024, 09:16

ER

Is x > y ? (1) |x - y| < |y| (2) |x| > x

705-805 Level | Absolute Values, Inequalities

705-805 Level | Absolute Values, Inequalities hide tags

Kushchokhani

09 Aug 2022, 12:10

8

7

2,140

by: bumpbot

04 Dec 2023, 08:34

ER

If no worker of Company X who worked there last year quit, how many wo

505-555 Level | Fractions and Ratios, Word Problems

505-555 Level | Fractions and Ratios, Word Problems hide tags

Bunuel

17 Oct 2018, 00:29

3

4

2,140

by: bumpbot

02 Oct 2023, 04:47

ER

At least 200 employees at a certain company play football. If 5 percen

705-805 Level | Overlapping Sets

705-805 Level | Overlapping Sets hide tags

Bunuel

19 Dec 2019, 02:47

10

3

2,140

by: bumpbot

27 Jul 2023, 10:13

ER

If x and y are nonzero integers, what is the remainder when odd intege

655-705 Level | Remainders

655-705 Level | Remainders hide tags

Bunuel

27 Dec 2016, 09:05

3

4

2,140

by: Bunuel

08 Jan 2023, 07:48

ER

If Farai is twice as old as Dmitry, how old is Farai?

Sub 505 Level | Word Problems

Sub 505 Level | Word Problems hide tags

Bunuel

06 Mar 2020, 04:11

2

4

2,140

by: divyadna

16 Mar 2022, 06:45

What is the value of (5a - 4b + 10c)/(3b) ? (1) b-a = 2c (2)

705-805 Level | Algebra

705-805 Level | Algebra hide tags

amanvermagmat

31 May 2018, 22:42

3

4

2,140

by: bumpbot

13 Feb 2022, 10:01

ER

If C=P(1+r/100)^n where C is the capital, P is t

605-655 Level | Percent and Interest Problems

605-655 Level | Percent and Interest Problems hide tags

MathRevolution

23 Oct 2017, 02:16

8

3

2,140

by: bumpbot

14 Sep 2020, 21:54

ER

In the diagram above each of the letters represents an odd single-digi

805+ Level | Arithmetic, Number Properties

805+ Level | Arithmetic, Number Properties hide tags

Bunuel

10 Apr 2017, 02:29

15

4

2,141

by: bumpbot

14 Jan 2024, 00:20

ER

Is a positive integer n greater than 1 divisible by 2?

505-555 Level | Multiples and Factors

505-555 Level | Multiples and Factors hide tags

MathRevolution

07 Mar 2017, 01:02

1

6

2,141

by: bumpbot

16 Dec 2020, 19:31

ER

What is the remainder when x^2y is divided by 10?

705-805 Level | Exponents, Remainders

705-805 Level | Exponents, Remainders hide tags

chetan2u

28 Jul 2018, 00:34

23

6

2,142

by: bumpbot

03 Feb 2023, 10:05

ER

In a certain school district, math teachers are considered qualified

555-605 Level | Overlapping Sets

555-605 Level | Overlapping Sets hide tags

Bunuel

27 Oct 2021, 08:00

7

3

2,142

by: Bunuel

03 Nov 2021, 06:43

ER

On the x-y coordinate grid, are points A(m, n) and B(r, t) equidistant

505-555 Level | Absolute Values, Coordinate Geometry

505-555 Level | Absolute Values, Coordinate Geometry hide tags

Bunuel

25 May 2020, 05:03

7

4

2,142

by: sambitspm

25 May 2020, 20:33

ER

If a and b are positive integers, a > b, is 3^a – 3^b divisible by 13?

655-705 Level | Multiples and Factors

655-705 Level | Multiples and Factors hide tags

Russ19

26 Mar 2020, 09:07

7

4

2,143

by: bumpbot

25 Mar 2022, 04:13

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

Currently, 30% of The Flower Company’s total revenue comes from sales

605-655 Level | Word Problems

605-655 Level | Word Problems hide tags

Bunuel

07 Feb 2016, 10:47

3

5

2,143

by: bumpbot

18 Aug 2020, 07:24

ER

In triangle ABC, the measure of angle B is 80 as shown in the figure

Sub 505 Level | Geometry

Sub 505 Level | Geometry hide tags

Bunuel

25 Feb 2020, 03:29

1

2,143

by: GMATWhizTeam

25 Feb 2020, 06:09

ER

How many positive integer factors does k have?

505-555 Level | Multiples and Factors, Number Properties

505-555 Level | Multiples and Factors, Number Properties hide tags

HKD1710

14 Jan 2017, 07:05

1

2,143

by: Bunuel

14 Jan 2017, 09:53

ER

If h and b represent the height and base, respectively, of the triangl

605-655 Level | Geometry

605-655 Level | Geometry hide tags

Bunuel

07 Sep 2018, 00:55

9

5

2,144

by: bumpbot

17 May 2023, 03:19

ER

If p and q are positive integers, what is the remainder when (27)^12p

705-805 Level | Exponents +2 tags

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

Bunuel

05 Jan 2022, 06:30

6

4

2,145

by: bumpbot

13 Nov 2023, 12:47

ER

If the product of the three digits of the three-digit positive integer

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Bunuel

01 Sep 2021, 02:30

4

2,145

by: paulrahul

07 Apr 2022, 02:33

ER

A building has $!48$! one- and two-bedroom apartments to rent, some wi

655-705 Level | Probability

655-705 Level | Probability hide tags

skidstorm

15 Mar 2018, 13:36

9

5

2,145

by: exc4libur

14 Nov 2019, 04:47

ER

Is x closer to 30 than to 60 ? (1) 38 − x > x − 32 (2) |x − 45| < 15

555-605 Level | Absolute Values, Inequalities

555-605 Level | Absolute Values, Inequalities hide tags

Bunuel

09 Jun 2021, 02:00

2

4

2,146

by: Showmeyaa

10 Aug 2021, 11:25

ER

If a and b are integers, is the fraction a/b a terminating decimal?

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

Russ19

24 Aug 2020, 03:28

5

4

2,146

by: Gauravji21

12 Sep 2020, 13:14

ER

Is k < 0? (1) |2k + 5| = 3k + 1 (2) |k - 2| = 7k

Poor Quality

Poor Quality hide tags

btrg

16 Apr 2019, 09:06

11

5

2,146

by: Bunuel

21 Oct 2019, 20:38

How many sides does polygon P have?

655-705 Level | Geometry

655-705 Level | Geometry hide tags

jfdelgado

30 May 2018, 18:43

2

2,146

by: amanvermagmat

30 May 2018, 23:46

ER

Is the positive integer x evenly divisible by at least two integers

555-605 Level | Multiples and Factors, Number Properties

555-605 Level | Multiples and Factors, Number Properties hide tags

Bunuel

26 Jun 2018, 06:09

2

3

2,147

by: bumpbot

28 Sep 2022, 03:24

ER

In the xy-plane, region R consists of all the points (x,y) such that

705-805 Level | Coordinate Geometry, Inequalities

705-805 Level | Coordinate Geometry, Inequalities hide tags

Bunuel

16 Aug 2019, 01:50

3

2,147

by: Bunuel

17 Sep 2019, 05:17

ER

If t is a positive integer and 3*10^t > 15,000, what is t?

605-655 Level | Exponents, Inequalities

605-655 Level | Exponents, Inequalities hide tags

anooo31

06 May 2018, 01:07

6

5

2,147

by: SPatel1992

31 Jul 2019, 14:36

ER

The absolute difference between a two digit number and the number for

805+ Level | Number Properties

805+ Level | Number Properties hide tags

Bunuel

21 Jul 2021, 07:30

6

3

2,148

by: bumpbot

14 Nov 2023, 05:06

ER

John, Pete, and Tim are running 100-meter races to prepare for a champ

Sub 505 Level | Word Problems

Sub 505 Level | Word Problems hide tags

Bunuel

18 Oct 2016, 23:54

2

2,148

by: CrackverbalGMAT

28 Aug 2020, 22:45

ER

What is the value of a? (1) The area of an equilateral triangle of si

555-605 Level | Geometry

555-605 Level | Geometry hide tags

Bunuel

25 Feb 2020, 03:23

1

2,148

by: GMATWhizTeam

25 Feb 2020, 07:15

ER

If r and s are positive integers, r/15 is an integer and s/12 is an in

555-605 Level | Multiples and Factors

555-605 Level | Multiples and Factors hide tags

Bunuel

28 Apr 2016, 04:56

1

2

2,148

by: ashikaverma13

26 Jun 2017, 00:50

ER

Is x = 0 ? (1) x^2*y^3 > 0 (2) x^3*y^2 < 0

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

Bunuel

20 Jan 2022, 11:45

1

3

2,149

by: Bunuel

26 Apr 2023, 09:56

ER

If N is a positive integer, such that the total number of factors . .

705-805 Level | Multiples and Factors, Number Properties

705-805 Level | Multiples and Factors, Number Properties hide tags

EgmatQuantExpert

14 Apr 2020, 08:54

15

4

2,149

by: bumpbot

07 Nov 2022, 11:23

Data Sufficiency (DS)