GMAT Club Forum

ER

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

Bunuel

25 Oct 2022, 08:11

57

7

25,032

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

777

19

162,949

by: bumpbot

28 Nov 2023, 14:32

ER

DS Question Directory by Topic and Difficulty

bb

07 Mar 2012, 08:58

1,423

0

449,403

by: bb

07 Mar 2012, 08:58

A store sells kitchen items. In this store, all knives of type X have

505-555 Level | Algebra, Word Problems

505-555 Level | Algebra, Word Problems hide tags

amanvermagmat

10 May 2018, 11:23

5

1,242

by: WiziusCareers1

20 May 2018, 01:51

ER

If a is a positive integer, is b also a positive integer?

655-705 Level | Number Properties

655-705 Level | Number Properties hide tags

Bunuel

25 May 2018, 02:48

2

5

1,346

by: Mo2men

25 May 2018, 10:56

In a city, there are 400 people who are member of one or more of three

605-655 Level | Overlapping Sets

605-655 Level | Overlapping Sets hide tags

amanvermagmat

04 May 2018, 00:29

7

5

1,648

by: gvij2017

26 May 2018, 20:36

ER

Is the product cd positive?

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Bunuel

31 Jan 2016, 07:37

3

5

2,058

by: BrentGMATPrepNow

03 Jun 2018, 08:08

ER

Is 16 contained in the set S?

555-605 Level | Arithmetic

555-605 Level | Arithmetic hide tags

MathRevolution

22 Aug 2016, 20:00

3

5

2,178

by: bumpbot

06 Jun 2018, 03:03

ER

On a recent test, Kevin scored m percent higher than the class average

555-605 Level | Percent and Interest Problems, Statistics and Sets Problems

555-605 Level | Percent and Interest Problems, Statistics and Sets Problems hide tags

Bunuel

25 May 2018, 03:27

5

2,077

by: abhimahna

09 Jun 2018, 07:38

ER

Is the positive integer x a prime number? (1) x is even (2) 2 < x < 19

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

Bunuel

12 Oct 2017, 04:16

5

1,664

by: KSBGC

10 Jun 2018, 19:44

ER

Each of the 30 first graders in a class bought one of three kinds of d

605-655 Level | Word Problems

605-655 Level | Word Problems hide tags

Bunuel

20 May 2018, 13:56

3

5

941

by: push12345

13 Jun 2018, 06:58

ER

What is the measure of angle ACB in the circle above with center O?

555-605 Level | Geometry

555-605 Level | Geometry hide tags

Bunuel

04 Jun 2018, 09:00

2

5

3,733

by: Tuanguyen248

13 Jun 2018, 10:14

ER

Is ab negative? (1) ab^8 < 0 (2) a + b^8 = 12

555-605 Level | Exponents, Inequalities

555-605 Level | Exponents, Inequalities hide tags

Bunuel

07 May 2018, 02:51

4

5

1,613

by: dharde9

13 Jun 2018, 14:26

ER

At a medical convention attended only by pediatricians and general sur

605-655 Level | Overlapping Sets

605-655 Level | Overlapping Sets hide tags

Bunuel

17 Jun 2018, 06:03

5

1,319

by: gmatzpractice

18 Jun 2018, 09:25

ER

Is |x| = 4?

555-605 Level | Absolute Values

555-605 Level | Absolute Values hide tags

ha15

25 Jun 2016, 13:42

1

5

3,124

by: CAMANISHPARMAR

22 Jun 2018, 08:42

A triangle PQR has angle PQR as 105 degrees. What is the area of

655-705 Level | Geometry

655-705 Level | Geometry hide tags

amanvermagmat

25 Jun 2018, 10:53

6

5

1,633

by: cpanara

26 Jun 2018, 13:43

ER

How long would it take for ball moving in a straight line to travel 24

555-605 Level | Distance and Speed Problems

555-605 Level | Distance and Speed Problems hide tags

Bunuel

05 May 2017, 03:50

4

5

2,319

by: MsInvBanker

28 Jun 2018, 03:03

ER

If the least common multiple of integers x and y is 840, what is the

555-605 Level | Multiples and Factors

555-605 Level | Multiples and Factors hide tags

Bunuel

22 Dec 2016, 02:33

4

5

2,465

by: bumpbot

03 Jul 2018, 22:26

ER

If X and N are positive integers, what is the remainder when X is

555-605 Level | Multiples and Factors, Number Properties

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

amanvermagmat

02 Jul 2018, 11:11

8

5

1,124

by: MartyTargetTestPrep

04 Jul 2018, 16:25

ER

Is non-negative integer x an even integer?

655-705 Level | Number Properties

655-705 Level | Number Properties hide tags

chetan2u

12 Jan 2017, 08:35

2

5

1,831

by: bumpbot

12 Jul 2018, 08:40

ER

The above picture depicts a circle perfectly inscribed in a square. Is

605-655 Level | Geometry

605-655 Level | Geometry hide tags

Bunuel

26 Aug 2015, 00:46

7

5

3,208

by: bumpbot

12 Jul 2018, 12:01

ER

If gcd(m,n) is the greatest common divisor of m and n, then n=?

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

MathRevolution

11 Jul 2018, 01:09

8

5

2,486

by: MathRevolution

15 Jul 2018, 06:55

ER

a family has only one son. The father says "After x

805+ Level | Algebra

805+ Level | Algebra hide tags

prince00113

27 Jan 2018, 14:06

8

5

1,683

by: gmatzpractice

16 Jul 2018, 16:32

ER

What is the value of the two-digit integer a?

Sub 505 Level | Multiples and Factors

Sub 505 Level | Multiples and Factors hide tags

Bunuel

26 Jul 2018, 01:16

5

1,620

by: ShardulPendharkar

26 Jul 2018, 09:10

ER

The sum of the ages of Lindsey and Meghan is y, and Lindsey is exactly

705-805 Level | Word Problems

705-805 Level | Word Problems hide tags

Bunuel

13 Jun 2017, 05:58

10

5

3,871

by: VeritasPrepBrian

06 Aug 2018, 08:36

ER

Is ab+c an odd integer, if a, b and c are positive integers? (1) c is

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

chetan2u

10 Jul 2018, 20:32

6

5

1,411

by: KSBGC

07 Aug 2018, 14:48

ER

If r and s are both positive integers, is the product of r and s even?

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Bunuel

21 Aug 2018, 13:22

3

5

1,814

by: NandishSS

21 Aug 2018, 19:52

ER

If p is an integer, then p is divisible by how many positive integers?

555-605 Level | Exponents +2 tags

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

Bunuel

10 Dec 2017, 01:16

13

5

2,235

by: VeritasPrepBrian

22 Aug 2018, 10:53

ER

What is the perimeter of triangle ABC?

Sub 505 Level | Fractions and Ratios, Geometry

Sub 505 Level | Fractions and Ratios, Geometry hide tags

Bunuel

23 Aug 2018, 04:11

1

5

1,681

by: PKN

24 Aug 2018, 06:17

ER

What is the area of a rectangle if its width is half its length?

Sub 505 Level | Geometry

Sub 505 Level | Geometry hide tags

Bunuel

24 Aug 2018, 05:20

1

5

2,185

by: varun4s

25 Aug 2018, 06:16

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

2,722

by: MathRevolution

26 Aug 2018, 18:20

ER

What is the area of a triangle?

505-555 Level | Geometry

505-555 Level | Geometry hide tags

MathRevolution

31 Aug 2018, 01:12

3

5

2,396

by: MathRevolution

02 Sep 2018, 18:47

ER

If a circle is inscribed in a square as shown above, is the area of th

655-705 Level | Geometry

655-705 Level | Geometry hide tags

Bunuel

13 Sep 2018, 02:23

1

5

1,140

by: Archit3110

13 Sep 2018, 04:19

ER

What is the value of the positive, two-digit number x?

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

Bunuel

28 May 2017, 02:12

5

3,096

by: AniJain

16 Sep 2018, 03:17

What is the product of two prime numbers X and Y? (1) Sum of X and Y

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Digvijay101

08 Apr 2018, 11:38

1

5

1,602

by: MikeScarn

17 Sep 2018, 05:51

ER

If x^y = 1 then what is the value of x?

655-705 Level | Exponents

655-705 Level | Exponents hide tags

BrentGMATPrepNow

16 Sep 2018, 09:07

7

5

1,500

by: BrentGMATPrepNow

23 Sep 2018, 15:08

ER

In triangle WXY, what is the length of side XY? (1) a = 45 (2) a – b

805+ Level | Geometry

805+ Level | Geometry hide tags

Bunuel

18 Sep 2018, 22:13

6

5

1,519

by: thefibonacci

24 Sep 2018, 03:19

ER

How many of the 350 students at Glendale High School took math?

605-655 Level | Overlapping Sets

605-655 Level | Overlapping Sets hide tags

Bunuel

25 Jan 2017, 06:29

7

5

2,286

by: bumpbot

25 Sep 2018, 07:25

ER

If the lines shown in the picture touch the circle only at points A an

555-605 Level | Geometry

555-605 Level | Geometry hide tags

Bunuel

13 Sep 2018, 05:14

6

5

1,492

by: chetan2u

26 Sep 2018, 04:26

ER

If m and x are positive integers, what is the value of x?

555-605 Level | Multiples and Factors

555-605 Level | Multiples and Factors hide tags

Bunuel

05 Dec 2016, 02:58

3

5

1,436

by: PoojanB

30 Sep 2018, 10:15

ER

If rectangle ABCD can be divided into two equal squares, what is the

555-605 Level | Geometry

555-605 Level | Geometry hide tags

Bunuel

04 Sep 2018, 23:42

3

5

1,822

by: CounterSniper

07 Oct 2018, 05:12

If x is a decimal, What is the hundredths digit of x?

605-655 Level | Word Problems

605-655 Level | Word Problems hide tags

Abhi077

02 Oct 2018, 12:48

1

5

1,290

by: aanjumz92

10 Oct 2018, 14:51

ER

If x=0.abcabc........(a repeating infinite decimal), what is the value

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

MathRevolution

10 Oct 2018, 00:58

5

1,250

by: Salsanousi

12 Oct 2018, 14:19

ER

Each of three consecutive positive integers is less than 100. Their su

705-805 Level | Number Properties

705-805 Level | Number Properties hide tags

MathRevolution

18 Apr 2018, 04:54

5

2,456

by: GMATBusters

14 Oct 2018, 10:17

ER

Julie runs a small art museum. How many paintings does her museum have

Sub 505 Level | Word Problems

Sub 505 Level | Word Problems hide tags

Bunuel

01 Oct 2015, 01:42

6

5

4,588

by: bumpbot

14 Oct 2018, 22:50

ER

How long would it take Joan to count the books in a small library?

Sub 505 Level | Word Problems, Work and Rate Problems

Sub 505 Level | Word Problems, Work and Rate Problems hide tags

Bunuel

24 Jan 2016, 05:37

2

5

2,969

by: bumpbot

17 Oct 2018, 10:25

X and Y are two positive numbers. Is X > Y ? (1) (X+Y)/2 > Y (2)

555-605 Level | Arithmetic, Percent and Interest Problems

555-605 Level | Arithmetic, Percent and Interest Problems hide tags

amanvermagmat

13 Aug 2018, 22:54

8

5

2,296

by: Izzyjolly

19 Oct 2018, 01:59

ER

Is n/14 an Integer? 1) 3n/14 is an Integer 2) 2n/14 is an Integer So

705-805 Level | Multiples and Factors, Number Properties

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

GMATinsight

19 Oct 2018, 07:17

5

1,612

by: DavidTutorexamPAL

19 Oct 2018, 09:06

ER

Pat traveled a distance of 240 miles in x hours. For a part

655-705 Level | Distance and Speed Problems

655-705 Level | Distance and Speed Problems hide tags

innocous

22 Jun 2013, 01:04

9

5

3,408

by: bumpbot

21 Oct 2018, 08:53

ER

What is the value of x – y ? (1) x = y + 3 (2) x^2 − 2xy + y^2 = 9

505-555 Level | Algebra

505-555 Level | Algebra hide tags

Bunuel

19 Nov 2018, 00:20

1

5

1,265

by: KSBGC

19 Nov 2018, 04:35

ER

What is the ratio of a two-digit number and its sum of digits?

655-705 Level | Fractions and Ratios

655-705 Level | Fractions and Ratios hide tags

Bunuel

06 Aug 2017, 01:05

8

5

2,639

by: bumpbot

21 Nov 2018, 03:42

ER

If n is an integer, is n odd?

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

Bunuel

01 Nov 2015, 09:12

3

5

3,028

by: bumpbot

30 Nov 2018, 13:09

ER

In the figure above, what is the area of the circular region with cent

505-555 Level | Geometry

505-555 Level | Geometry hide tags

Bunuel

17 Dec 2014, 08:05

3

5

4,947

by: GMATBusters

01 Dec 2018, 06:29

Data Sufficiency (DS)