GMAT Club Forum

769

ER

100 Hardest and easiest questions for DS as of March 2024

Bunuel

19

160536

by: bumpbot

28 Nov 2023, 14:32

1416

ER

DS Question Directory by Topic and Difficulty

Tags: Difficulty: 655-705 Level

bb

0

446296

by: bb

07 Mar 2012, 08:58

29

ER

Six shipments of machine parts were shipped from a factory

Tags: Difficulty: 705-805 Level, Algebra

carcass

4

11754

by: Bunuel

02 May 2013, 03:05

6

ER

The useful life of a certain piece of equipment is

Tags: Difficulty: 555-605 Level, Word Problems

kairoshan

5

15980

by: Bunuel

05 May 2013, 04:21

5

ER

What is the units digit of a^18?

Tags: Poor Quality

apoorvarora

14

3547

by: walker

11 May 2013, 08:19

7

ER

A home owner must pick between paint A, which costs $6.00

Tags: Poor Quality

gmac25

8

7923

by: Bunuel

12 May 2013, 02:50

ER

What is the value of a+b ?

Tags: Poor Quality

summer101

2

1661

by: Bunuel

02 Jun 2013, 10:45

36

ER

Is square root of a positive integer x an integer?

Tags: Difficulty: 705-805 Level, Divisibility/Multiples/Factors, Number Properties

summer101

2

8974

by: Bunuel

05 Jun 2013, 03:07

4

A runner starts running on a circular path of radius 'r'

Tags: Poor Quality

atalpanditgmat

3

7424

by: mattce

20 Jun 2013, 09:03

2

ER

Five people - Adam, Bob, Craig, Daniel and Evan - are of dif

Tags: Poor Quality

carcass

2

1899

by: Bunuel

26 Jun 2013, 20:31

9

ER

Three machines, K, M, and P, working simultaneously and

Tags: Difficulty: Sub 505 Level, Work/Rate Problems

rajman41

3

5287

by: Bunuel

01 Jul 2013, 00:03

2

ER

What is the value of (x - y)^4?

Tags: Difficulty: 555-605 Level, Algebra

eresh

8

5375

by: Bunuel

03 Jul 2013, 00:37

4

ER

George scored 85 on an exam. Did George do better than 90

Tags: Difficulty: 555-605 Level, Statistics and Sets Problems

josemnz83

8

4184

by: Bunuel

17 Jul 2013, 05:47

A non empty set S has less than four elements. How many

Tags: Poor Quality

innocous

4

2041

by: Observer

25 Jul 2013, 12:40

5

A car is travelling in a constant speed to cover a distance

Tags: Poor Quality

karthiksms

6

4663

by: WholeLottaLove

01 Aug 2013, 15:12

1

Jenifer, David and Steve are children of Mrs. Noris.

Tags: Poor Quality

Asifpirlo

3

2753

by: Asifpirlo

05 Aug 2013, 11:34

1

The average weight of the students

Tags: Poor Quality

Gian

3

4102

by: maaadhu

10 Aug 2013, 06:09

3

A pencil costs $3 and a pen costs $7. If pens and pencils

Tags: Poor Quality

innocous

2

2705

by: zerosleep

19 Aug 2013, 07:21

ER

A CEO is building an extra-wide garage in which to park his

Tags: Poor Quality

Asifpirlo

2

3208

by: fameatop

22 Aug 2013, 03:10

ER

The figure above shows the shape of a brick patio. If arc AB

Tags: Difficulty: Sub 505 Level, Geometry

Asifpirlo

3

2709

by: fameatop

22 Aug 2013, 03:16

13

ER

In the sequence of non-zero numbers t1, t2,t3,......tn,.....

Tags: Difficulty: 555-605 Level, Sequences

riks200

4

6814

by: Bunuel

23 Aug 2013, 03:25

43

ER

The only gift certificates that a certain store sold

Tags: Difficulty: 605-655 Level, Arithmetic

MHIKER

3

22629

by: Bunuel

25 Aug 2013, 07:14

3

ER

A basic savings account pays interest once per year on Decem

Tags: Poor Quality

sehosayho

3

2863

by: Bunuel

29 Aug 2013, 04:52

4

ER

If x and y are both integers, which is larger, x^x or y^y?

Tags: Difficulty: 605-655 Level, Exponents/Powers, Inequalities

AnkitK

7

4153

by: Bunuel

08 Sep 2013, 06:04

39

ER

p and q are different two-digit prime numbers with the same

Tags: Difficulty: 705-805 Level, Number Properties

cvsmech

9

31308

by: Bunuel

08 Sep 2013, 07:00

18

ER

If x > 1, what is the value of integer x?

Tags: Difficulty: 655-705 Level, Number Properties

l0rrie

12

6264

by: Bunuel

20 Sep 2013, 00:34

1

ER

What is the value of (x + y)^4 ?

Tags: Difficulty: 505-555 Level, Algebra, Number Properties

GMAT TIGER

8

3640

by: Bunuel

11 Oct 2013, 04:28

3

ER

If a and b are positive, is (a^(-1) + b^(-1))^(-1) less than

Tags: Difficulty: 605-655 Level, Exponents/Powers, Inequalities

barakhaiev

3

3687

by: Bunuel

11 Oct 2013, 06:46

ER

While on a summer vacation in Hawaii, Carla goes for an ocea

Tags: Poor Quality

Smita04

4

3389

by: jlgdr

12 Oct 2013, 10:32

18

ER

Quadrilateral ABCD is a rhombus and points C, D, and E are

Tags: Difficulty: 705-805 Level, Geometry

vscid

3

4538

by: Bunuel

13 Oct 2013, 16:05

6

ER

If p/q > 5, is q < 2?

Tags: Poor Quality

jeeteshsingh

6

29830

by: Bunuel

15 Oct 2013, 09:14

ER

How much was the original price of a car, which was sold for

Tags: Difficulty: 505-555 Level, Percent and Interest Problems

mohan514

13

4080

by: jlgdr

17 Oct 2013, 09:32

10

ER

By what percent is the time taken by 12 men to complete a pa

Tags: Poor Quality

tabsang

6

4431

by: fmomen01

22 Oct 2013, 07:14

4

ER

Let denote a mathematical operation. Is it true that x y

Tags: Poor Quality

conty911

3

5892

by: Bunuel

30 Oct 2013, 07:59

3

ER

Is xy > 7 ? (1) x + y = 7 (2) 1 x 3 and 2 y 4

Tags: Difficulty: 505-555 Level, Inequalities

avohden

2

2898

by: avohden

05 Nov 2013, 22:42

13

ER

Is rst = 1?

Tags: Difficulty: 555-605 Level, Algebra

sudhagar

6

17979

by: Bunuel

07 Nov 2013, 02:10

70

ER

If a and b are consecutive positive integers, and ab = 30x ,

Tags: Difficulty: 705-805 Level, Divisibility/Multiples/Factors

4test1

12

19803

by: AccipiterQ

19 Nov 2013, 09:00

5

ER

Is the integer z divisible by 6?

Tags: Difficulty: 605-655 Level, Divisibility/Multiples/Factors

restore

8

5725

by: Bunuel

29 Nov 2013, 02:29

ER

What is the value of b ?

Tags: Difficulty: 505-555 Level, Algebra

avohden

5

2448

by: Bunuel

01 Dec 2013, 07:21

1

ER

In a sequence of terms in which each term is three times the

Tags: Difficulty: 505-555 Level, Sequences

hogann

2

4343

by: Bunuel

18 Dec 2013, 10:21

12

ER

Is the number of seconds required to travel d1 feet at r1

Tags: Difficulty: 605-655 Level, Distance/Rate Problems

gluon

7

7088

by: Bunuel

23 Dec 2013, 00:09

25

ER

The third-place finisher of the Allen County hot dog eating

Tags: Difficulty: 605-655 Level, Work/Rate Problems

rao

5

16399

by: Bunuel

26 Dec 2013, 08:29

6

ER

If x and y are both integers, which is larger, x^x or y^y?

Tags: Poor Quality

Apex231

7

5505

by: jlgdr

27 Dec 2013, 10:09

17

ER

If A, B & C can build a wall in 4 hours,working together,

Tags: Poor Quality

innocous

11

6735

by: Amateur

30 Dec 2013, 15:21

ER

What is the value of x ?

Tags: Poor Quality

cssk

3

2244

by: cssk

05 Jan 2014, 10:55

3

ER

If nCr gives a prime value,is r=n-1?

Tags: Difficulty: 705-805 Level, Number Properties

mau5

3

2265

by: jlgdr

07 Jan 2014, 09:29

9

ER

The slope of line n in the xy-plane is not 0 and the y-inter

Tags: Difficulty: 605-655 Level, Coordinate Geometry

goodyear2013

1

4164

by: Bunuel

12 Jan 2014, 06:49

Which one is greater on Richard’s farm: the total number of

Tags: Difficulty: 505-555 Level, Word Problems

bekerman

4

3715

by: WoundedTiger

29 Jan 2014, 09:01

43

ER

Each member of a pack of 55 wolves has either brown or blue

Tags: Difficulty: 805+ Level, Overlapping Sets

GMATT73

10

14199

by: Bunuel

31 Jan 2014, 08:11

22

ER

Is x divisible by 30?

Tags: Difficulty: 805+ Level, Divisibility/Multiples/Factors

terp26

3

4295

by: Bunuel

07 Feb 2014, 05:09

18

ER

Is the median of set S even?

Tags: Difficulty: 555-605 Level, Statistics and Sets Problems

gmatcracker2010

6

9215

by: Bunuel

11 Feb 2014, 06:00

3

ER

Is n^2 + 2n an integer? (1) n^3 + 3n is an integer. (2) 2n

Tags: Poor Quality

conty911

19

4442

by: stne

13 Feb 2014, 07:15

GMAT Data Sufficiency (DS)