GMAT Club Forum

ER

100 Hardest and easiest questions for DS as of April

Bunuel

21 Aug 2015, 03:42

774

19

162,034

by: bumpbot

28 Nov 2023, 14:32

ER

DS Question Directory by Topic and Difficulty

655-705 Level

655-705 Level hide tags

bb

07 Mar 2012, 08:58

1,419

0

448,125

by: bb

07 Mar 2012, 08:58

ER

If -2x > 3y, is x negative? (1) y > 0 (2) 2x +

705-805 Level | Inequalities

705-805 Level | Inequalities hide tags

dimitri92

23 May 2010, 00:35

130

11

21,277

by: bumpbot

02 May 2024, 21:21

ER

Is the number of different prime factors of the

805+ Level | Number Properties

805+ Level | Number Properties hide tags

Bunuel

18 Dec 2019, 00:06

24

10

5,949

by: bumpbot

02 May 2024, 18:40

ER

Chris was in an electronic appliances store to buy an

805+ Level | Non-Math Related

805+ Level | Non-Math Related hide tags

dpchen

29 Dec 2023, 07:31

20

11

2,737

by: Bunuel

02 May 2024, 14:38

ER

Are the standard deviations of set A and set B the

655-705 Level | Statistics and Sets Problems

655-705 Level | Statistics and Sets Problems hide tags

BillyZ

21 Feb 2017, 17:46

16

4

2,730

by: bumpbot

02 May 2024, 12:11

ER

Is √(56x) an integer?

655-705 Level | Divisibility/Multiples/Factors, Number Properties

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

honchos

01 Dec 2013, 17:36

7

4

5,241

by: bumpbot

02 May 2024, 12:08

ER

A bank compounds interest for its customers annually.

505-555 Level | Percent and Interest Problems

505-555 Level | Percent and Interest Problems hide tags

Bunuel

02 May 2024, 01:30

3

2

421

by: Akkiiii

02 May 2024, 10:27

ER

Is p^2 divisible by 24? p is an integer. 1) p is

655-705 Level | Divisibility/Multiples/Factors

655-705 Level | Divisibility/Multiples/Factors hide tags

TheUltimateWinner

19 Apr 2019, 09:15

3

1,626

by: Bunuel

02 May 2024, 10:13

ER

Maria left home 1/4 hour after her husband and drove

555-605 Level | Distance Problems

555-605 Level | Distance Problems hide tags

parkhydel

28 Apr 2020, 04:45

168

16

17,373

by: ScottTargetTestPrep

02 May 2024, 07:43

ER

Jack is 4 years older than Daniel. What are their ages

505-555 Level | Word Problems

505-555 Level | Word Problems hide tags

Bunuel

02 May 2024, 01:30

2

398

by: Nidzo

02 May 2024, 05:59

ER

How many more first-time jobless claims were filed in

Sub 505 Level | Word Problems

Sub 505 Level | Word Problems hide tags

Bunuel

01 Jul 2018, 21:45

14

2

4,705

by: bumpbot

02 May 2024, 04:45

ER

What is the ratio of c to d?

505-555 Level | Fractions/Ratios/Decimals

505-555 Level | Fractions/Ratios/Decimals hide tags

RSOHAL

22 Dec 2015, 18:44

44

11

35,051

by: bumpbot

02 May 2024, 03:26

ER

Any decimal that has only a finite number of nonzero

505-555 Level | Fractions/Ratios/Decimals

505-555 Level | Fractions/Ratios/Decimals hide tags

Walkabout

18 Dec 2012, 05:27

214

12

42,085

by: bumpbot

02 May 2024, 03:13

ER

At the beginning of the year, the Finance Committee

555-605 Level | Fractions/Ratios/Decimals

555-605 Level | Fractions/Ratios/Decimals hide tags

Bunuel

25 Oct 2015, 09:15

134

14

36,213

by: Bunuel

02 May 2024, 02:48

ER

What is the units digit of the three-digit integer N ?

655-705 Level | Divisibility/Multiples/Factors, Number Properties

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

Bunuel

07 Sep 2015, 22:45

51

15

7,724

by: Bunuel

02 May 2024, 01:17

ER

Two teams, X and Y played against each other in a

605-655 Level | Word Problems

605-655 Level | Word Problems hide tags

eybrj2

18 Feb 2012, 01:54

25

5

8,268

by: bumpbot

02 May 2024, 01:00

ER

What is the average (arithmetic mean) height of the n

555-605 Level | Statistics and Sets Problems

555-605 Level | Statistics and Sets Problems hide tags

sandalphon

20 Dec 2005, 09:03

149

14

58,458

by: bumpbot

01 May 2024, 22:57

ER

A scientist is studying bacteria whose cell population

705-805 Level | Word Problems

705-805 Level | Word Problems hide tags

mun23

20 Feb 2013, 16:08

96

12

21,329

by: bumpbot

01 May 2024, 22:49

ER

Bunuel's Algebra DS Diagnostic Test

505-555 Level | Absolute Values +11 tags

505-555 Level, 555-605 Level, 655-705 Level | Absolute Values, Algebra, Combinations, Exponents, Fractions/Ratios/Decimals, Functions and Custom Characters, Inequalities, Min-Max Problems, Percent and Interest Problems, Roots hide tags

1, 2, 3

Bunuel

02 Oct 2022, 06:46

103

45

15,656

by: unicornilove

01 May 2024, 17:13

ER

A country's per capita national debt is its national

705-805 Level | Word Problems

705-805 Level | Word Problems hide tags

gmatt1476

21 Sep 2019, 15:12

178

19

19,472

by: GMATGuruNY

01 May 2024, 13:07

ER

Two people are to be selected at random from a certain

805+ Level | Probability

805+ Level | Probability hide tags

asdfghjkl5271

06 Nov 2023, 18:16

30

7

3,420

by: MartyMurray

01 May 2024, 09:01

ER

Of the people stand in a line waiting for service, 20%

605-655 Level | Word Problems

605-655 Level | Word Problems hide tags

Bunuel

01 May 2024, 01:30

9

4

565

by: Nidzo

01 May 2024, 05:52

ER

If |x + 2| = 4, what is the value of x ? (1) x^2 ≠

505-555 Level | Absolute Values

505-555 Level | Absolute Values hide tags

Bunuel

11 Aug 2010, 17:38

40

6

29,147

by: bumpbot

01 May 2024, 02:25

Harry is a salesman. Is the time taken by Harry to

655-705 Level | Work Problems

655-705 Level | Work Problems hide tags

Pranjall8

30 Apr 2024, 12:59

3

340

by: nikaro

01 May 2024, 02:21

ER

The table above shows the results of a survey of 100

655-705 Level | Word Problems

655-705 Level | Word Problems hide tags

Bunuel

16 Aug 2019, 02:27

13

6

3,114

by: bumpbot

30 Apr 2024, 23:46

ER

In the period between 1975 and 1985, the population of

605-655 Level | Statistics and Sets Problems, Word Problems

605-655 Level | Statistics and Sets Problems, Word Problems hide tags

Noshad

14 Apr 2019, 14:12

8

2

1,960

by: bumpbot

30 Apr 2024, 23:39

ER

At a two-day seminar, 90 percent of those registered

555-605 Level | Overlapping Sets

555-605 Level | Overlapping Sets hide tags

TeHCM

17 Dec 2005, 23:41

199

9

51,653

by: bumpbot

30 Apr 2024, 23:20

ER

If a, b, and c are positive integers, what is the

555-605 Level | Remainders

555-605 Level | Remainders hide tags

thevenus

10 Oct 2012, 14:56

22

4

6,294

by: bumpbot

30 Apr 2024, 18:59

ER

After winning 50 percent of the first 20 games it

555-605 Level | Percent and Interest Problems

555-605 Level | Percent and Interest Problems hide tags

Bunuel

04 Feb 2014, 01:54

140

12

40,054

by: bumpbot

30 Apr 2024, 15:44

ER

The sum of the lengths of two pieces of rope is 65

Sub 505 Level | Fractions/Ratios/Decimals

Sub 505 Level | Fractions/Ratios/Decimals hide tags

Bunuel

23 May 2020, 04:35

3

3,201

by: bumpbot

30 Apr 2024, 15:31

ER

50% of the factory workers are not older than 30 years

555-605 Level | Percent and Interest Problems

555-605 Level | Percent and Interest Problems hide tags

Bunuel

14 Jan 2020, 05:15

1

2

3,202

by: bumpbot

30 Apr 2024, 14:59

ER

Vijay made a telephone call. If Vijay's total cost for

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Bunuel

29 Apr 2024, 01:30

6

5

417

by: stne

30 Apr 2024, 11:43

ER

If y is an integer, is y^3 divisible by 8? (1) y is

505-555 Level | Divisibility/Multiples/Factors

505-555 Level | Divisibility/Multiples/Factors hide tags

Bunuel

06 May 2020, 03:05

18

7

5,633

by: bumpbot

30 Apr 2024, 10:07

ER

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

505-555 Level | Divisibility/Multiples/Factors, Number Properties

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

Stiv

02 Jul 2012, 03:47

54

8

12,699

by: bumpbot

30 Apr 2024, 10:03

ER

For a finite sequence of nonzero integers, the

705-805 Level | Sequences

705-805 Level | Sequences hide tags

filipembribeiro

25 Jul 2021, 11:19

6

2

1,529

by: bumpbot

30 Apr 2024, 08:33

ER

Sets A and B each consist of three terms selected from

705-805 Level | Divisibility/Multiples/Factors, Number Properties

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

daviesj

26 Dec 2012, 00:33

29

7

8,096

by: bumpbot

30 Apr 2024, 08:08

A group of friends dined at a restaurant and paid a

705-805 Level | Percent and Interest Problems

705-805 Level | Percent and Interest Problems hide tags

ShortcutoSpeed

13 Nov 2023, 15:33

21

5

2,642

by: Freddy12

30 Apr 2024, 07:03

ER

Each of the 120 students in a certain dormitory is

Sub 505 Level | Word Problems

Sub 505 Level | Word Problems hide tags

parkhydel

28 Apr 2020, 04:26

11

2

5,689

by: bumpbot

30 Apr 2024, 06:18

Q and X are positive integers greater than 1. Is it

805+ Level | Number Properties

805+ Level | Number Properties hide tags

akshayk

29 Mar 2017, 05:50

9

8

2,761

by: bumpbot

30 Apr 2024, 06:09

ER

In triangle ABC above, what is the length of side BC?

655-705 Level | Geometry

655-705 Level | Geometry hide tags

Bunuel

04 Mar 2014, 00:20

150

19

39,540

by: bumpbot

30 Apr 2024, 05:59

ER

A class consists of boys and girls only. On a final

655-705 Level | Word Problems

655-705 Level | Word Problems hide tags

Bunuel

25 May 2022, 09:00

6

5

1,205

by: bumpbot

30 Apr 2024, 04:54

ER

Of the 200 students in a college, 125 learned Spanish

555-605 Level | Overlapping Sets

555-605 Level | Overlapping Sets hide tags

Bunuel

30 Apr 2024, 01:30

2

1

334

by: Nidzo

30 Apr 2024, 04:24

ER

Of the students in a certain class, 40 learn Spanish,

555-605 Level | Overlapping Sets

555-605 Level | Overlapping Sets hide tags

Bunuel

30 Apr 2024, 01:30

2

1

310

by: thanhtra01011

30 Apr 2024, 03:19

ER

What is the probability that on a given workday Mr.

655-705 Level | Probability

655-705 Level | Probability hide tags

Bunuel

26 Jul 2022, 01:30

5

3

1,246

by: bumpbot

30 Apr 2024, 03:10

ER

Are positive integers p and q both greater than n ?

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

zisis

14 Jul 2010, 13:40

87

10

18,513

by: bumpbot

30 Apr 2024, 02:26

ER

In a certain company, 25% of the women and 17% of the

805+ Level | Word Problems

805+ Level | Word Problems hide tags

Bunuel

09 Apr 2015, 07:15

58

8

9,482

by: bumpbot

30 Apr 2024, 01:49

ER

If k is a non zero integer, is k > 0? (1) |k - 4| =

705-805 Level | Absolute Values, Inequalities

705-805 Level | Absolute Values, Inequalities hide tags

Bunuel

09 Dec 2019, 01:32

16

4

6,100

by: Bunuel

30 Apr 2024, 01:03

ER

At the beginning of last year, Tony's Auto Dealership

705-805 Level | Word Problems

705-805 Level | Word Problems hide tags

rockroars

16 Dec 2010, 11:48

19

13

8,142

by: bumpbot

29 Apr 2024, 23:56

ER

Jan and 5 of his friends sold candy bars to raise

655-705 Level | Statistics and Sets Problems

655-705 Level | Statistics and Sets Problems hide tags

saxenarahul021

27 Nov 2012, 01:03

65

5

9,586

by: KarishmaB

29 Apr 2024, 23:43

ER

If x = n + 5, y = n + 3, and x, y and n are positive

655-705 Level | Remainders

655-705 Level | Remainders hide tags

Bunuel

30 Jul 2020, 04:55

14

8

3,121

by: bumpbot

29 Apr 2024, 23:03

ER

In a class of 21, how many scored above the class

655-705 Level | Statistics and Sets Problems

655-705 Level | Statistics and Sets Problems hide tags

Bunuel

02 Aug 2023, 10:00

31

5

6,738

by: KarishmaB

29 Apr 2024, 22:58

Data Sufficiency (DS)