Problem Solving (PS)

25 Feb 2026, 15:33

ER

If each term in the sum a1+a2+a3+...+an is either 7 or 77 and the sum

555-605 (Medium) | Arithmetic, Sequences

555-605 (Medium) | Arithmetic, Sequences hide tags

1, 2

LM

10 May 2010, 09:36

1.5k

36

183,041

28 Dec 2025, 09:59

ER

Which of the following sets includes ALL of the solutions of

805+ (Hard) | Absolute Values

805+ (Hard) | Absolute Values hide tags

1, 2

imhimanshu

17 Sep 2012, 07:29

282

36

33,074

by: Kinshook

12 Nov 2025, 23:30

ER

Quant 700-800 level questions

Collection of Questions, Downloads, Guides & Resources

Collection of Questions, Downloads, Guides & Resources hide tags

1, 2

GetThisDone

26 Jul 2012, 10:25

553

36

149,366

by: NextstopISB

05 May 2025, 10:17

ER

An equilateral triangle ABC is inscribed in square ADEF, forming three

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

1, 2

tarek99

19 Jan 2018, 12:06

212

36

27,237

16 May 2023, 03:03

ER

New project! Review, Discuss, and Get Points!!!

Collection of Questions +4 tags

Collection of Questions, Reviews, Discussions, Guides & Resources, Useful Links hide tags

1, 2

Bunuel

06 Dec 2019, 04:08

923

36

160,403

04 Jan 2018, 03:49

ER

Team A and Team B are competing against each other in a game

555-605 (Medium) | Combinations

555-605 (Medium) | Combinations hide tags

1, 2

ganand

16 Jul 2021, 00:55

901

35

119,900

by: ShreyaMittal1609

30 May 2026, 05:56

ER

If the product of all the unique positive divisors of n, a positive in

805+ (Hard) | Multiples and Factors, Number Properties

805+ (Hard) | Multiples and Factors, Number Properties hide tags

1, 2

gmatpapa

11 Jan 2019, 02:14

660

35

69,451

by: Usernamevisible

26 May 2026, 10:55

ER

Alex and Brenda both stand at point X. Alex begins to walk away from

805+ (Hard) | Distance and Speed Problems

805+ (Hard) | Distance and Speed Problems hide tags

1, 2

enigma123

28 Feb 2021, 03:40

345

35

52,100

21 May 2026, 03:24

ER

A solution contains 8 parts of water for every 7 parts of

705-805 (Hard) | Mixture Problems

705-805 (Hard) | Mixture Problems hide tags

1, 2

udaymathapati

15 Jul 2012, 06:25

254

35

22,517

by: MartyMurray

19 Mar 2026, 04:57

ER

A man cycling along the road noticed that every 12 minutes a bus overt

805+ (Hard) | Distance and Speed Problems

805+ (Hard) | Distance and Speed Problems hide tags

1, 2

neelesh

02 Mar 2024, 12:40

632

35

69,319

10 Mar 2026, 04:37

ER

Two water pumps, working simultaneously at their respective constant

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

1, 2

kmasonbx

23 Sep 2019, 04:09

549

35

108,825

03 Mar 2026, 09:38

ER

In a meeting of 3 representatives from each of 6 different companies,

605-655 (Medium) | Combinations

605-655 (Medium) | Combinations hide tags

1, 2

surupab

10 Apr 2016, 10:12

845

35

70,938

by: NupurNeha123

28 Feb 2026, 04:33

ER

The digit 7 appears in how many of the first thousand positive integer

605-655 (Medium) | Combinations, Number Properties

605-655 (Medium) | Combinations, Number Properties hide tags

1, 2

Bunuel

22 May 2020, 11:13

620

35

37,790

by: steffe440

15 Feb 2026, 22:43

ER

The set of solutions for the equation (x^2 – 25)^2 = x^2 – 10x + 25 co

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

1, 2

parkhydel

27 Apr 2020, 15:06

771

35

58,412

by: Rickooreoisb

08 Feb 2026, 02:46

ER

A couple has two children, one of whom is a girl. If the probability

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

1, 2

AmoyV

05 Sep 2014, 03:58

97

35

22,830

11 Jan 2026, 23:27

ER

A certain company assigns employees to offices in such a way

655-705 (Hard) | Combinations

655-705 (Hard) | Combinations hide tags

1, 2

sagarsabnis

08 Jan 2010, 14:18

561

35

75,884

05 Jan 2026, 22:58

ER

How many times will the digit 7 be written when listing the integers

705-805 (Hard) | Combinations

705-805 (Hard) | Combinations hide tags

1, 2

Bunuel

27 Aug 2010, 14:38

562

35

166,418

12 Nov 2025, 00:00

ER

Math Formula and shortcuts

Downloads, Theory, Guides & Resources

Downloads, Theory, Guides & Resources hide tags

1, 2

bandit

03 May 2009, 20:52

208

35

141,407

25 Oct 2025, 06:11

ER

a, b, and c are integers and a < b < c. S is the set of all integers

705-805 (Hard) | Statistics and Sets Problems

705-805 (Hard) | Statistics and Sets Problems hide tags

1, 2

KocharRohit

18 Sep 2009, 01:15

376

35

43,103

by: Legallyblond

07 Oct 2025, 10:50

ER

What is the product of all the solutions of x^2 - 4x + 6=3

705-805 (Hard) | Absolute Values, Algebra

705-805 (Hard) | Absolute Values, Algebra hide tags

1, 2

Carcass

04 Jul 2018, 09:59

263

35

32,365

10 Sep 2025, 06:23

ER

From the consecutive integers -10 to 10 inclusive, 20 integers are ran

655-705 (Hard) | Arithmetic, Min-Max Problems

655-705 (Hard) | Arithmetic, Min-Max Problems hide tags

1, 2

catty2004

08 Jul 2012, 17:29

884

35

105,087

by: Seb2m02

13 Aug 2025, 19:24

ER

Positive integer n leaves a remainder of 4 after division by

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

1, 2

bchekuri

20 Apr 2012, 03:05

1.5k

35

111,819

by: isaperelli

16 Jul 2025, 02:20

ER

The figure shows a square patio surrounded by a walkway of width x

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

1, 2

rthothad

05 Jul 2015, 08:05

46

35

25,533

by: AkshayDang

24 Aug 2024, 05:34

ER

EMPOWERgmat PS Forum Expert - Ask Me Anything about PS and Math

1, 2

EMPOWERgmatRichC

03 Oct 2018, 18:52

42

35

16,201

28 Dec 2023, 02:17

ER

A container has 3 liters of pure wine. 1 liter from the container is

805+ (Hard) | Mixture Problems, Out of Scope - Too Hard

805+ (Hard) | Mixture Problems, Out of Scope - Too Hard hide tags

1, 2

virtualanimosity

20 Feb 2024, 23:24

553

35

62,272

by: KarishmaB

23 Jun 2021, 22:43

ER

gmatbusters' challenge questions

1, 2

GMATBusters

07 Jun 2018, 21:17

24

35

15,169

11 Mar 2021, 20:55

ER

If x and y are positive numbers such that x + y = 1, which of the

555-605 (Medium) | Algebra, Number Properties

555-605 (Medium) | Algebra, Number Properties hide tags

1, 2

BrainLab

18 Sep 2015, 02:09

1.8k

34

123,916

by: pusansen99

29 May 2026, 09:28

ER

Mary and Joe are to throw three dice each. The score is the

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

1, 2

Bunuel

05 Nov 2009, 14:41

625

34

67,529

by: pappal

14 May 2026, 10:32

ER

If two of the four expressions x + y, x + 5y, x - y, and 5x - y are

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

1, 2

ronny13

15 Apr 2010, 04:19

889

34

176,035

06 May 2026, 11:15

ER

For any positive integer n, the sum of the first n positive integers

605-655 (Medium) | Arithmetic, Number Properties

605-655 (Medium) | Arithmetic, Number Properties hide tags

1, 2

CharmWithSubstance

10 Jun 2021, 07:04

1.5k

34

313,018

04 Mar 2026, 12:05

ER

Anthony and Michael sit on the six-member board of directors for compa

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

1, 2

kamilaak

08 Aug 2019, 09:13

468

34

50,709

05 Jan 2026, 22:53

ER

What is the remainder when (18^22)^10 is divided by 7 ?

655-705 (Hard) | Exponents +2 tags

655-705 (Hard) | Exponents, Out of Scope - Too Hard, Remainders hide tags

1, 2

Financier

15 Sep 2010, 06:57

254

34

55,244

by: rak08

26 Dec 2025, 03:40

ER

How many different combinations of outcomes can you make by

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

1, 2

mm007

21 Dec 2006, 18:34

433

34

122,937

22 Nov 2025, 22:29

ER

If BE || CD, and BC = AB = 3, AE = 4 and CD = 10, what is the area of

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

1, 2

enigma123

04 Feb 2012, 18:48

206

34

73,219

13 Nov 2025, 11:05

ER

The final exam of a particular class makes up 40% of the

605-655 (Medium) | Mixture Problems, Percent and Interest Problems

605-655 (Medium) | Mixture Problems, Percent and Interest Problems hide tags

1, 2

rxs0005

02 Dec 2010, 03:29

751

34

60,135

16 Oct 2025, 17:26

ER

If |x| < x^2, which of the following must be true ?

605-655 (Medium) | Absolute Values +2 tags

605-655 (Medium) | Absolute Values, Inequalities, Must or Could be True hide tags

1, 2

Skywalker18

03 Jun 2021, 01:23

799

34

89,056

28 Sep 2025, 09:05

ER

The ‘moving walkway’ is a 300-foot long walkway consisting of a convey

705-805 (Hard) | Distance and Speed Problems

705-805 (Hard) | Distance and Speed Problems hide tags

1, 2

Gmatter111

03 Oct 2017, 01:48

337

34

48,985

31 Jul 2025, 11:48

ER

Jackie has two solutions that are 2 percent sulfuric acid

505-555 (Easy) | Algebra, Mixture Problems

505-555 (Easy) | Algebra, Mixture Problems hide tags

1, 2

blockman

20 Aug 2015, 19:27

1.1k

34

106,645

by: Mark1337

16 Jul 2025, 19:26

ER

In the figure, point D divides side BC of triangle ABC into segments

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

1, 2

enigma123

06 Apr 2018, 04:44

1.1k

34

131,594

02 Jul 2025, 13:29

ER

In how many ways 8 different tickets can be distributed

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

1, 2

Bunuel

20 Nov 2009, 07:46

151

34

26,935

05 Mar 2025, 07:31

ER

Twenty meters of wire is available to fence off a flower bed in the

805+ (Hard) | Geometry, Min-Max Problems

805+ (Hard) | Geometry, Min-Max Problems hide tags

1, 2

hussi9

22 May 2011, 00:51

136

34

30,795

13 Mar 2023, 20:59

ER

If 4/x < 1/3 , what is the possible range of values of x?

General Math Questions, Discussions

General Math Questions, Discussions hide tags

1, 2

GMATD11

07 Apr 2011, 05:01

16

34

18,826

26 Oct 2021, 07:46

ER

If Q is an odd number and the median of Q consecutive integers is 120

555-605 (Medium) | Statistics and Sets Problems

555-605 (Medium) | Statistics and Sets Problems hide tags

1, 2

Walkabout

07 Dec 2012, 04:47

1.0k

33

117,437

30 May 2026, 03:20

ER

A certain right triangle has sides of length x, y, and z, where x < y

655-705 (Hard) | Geometry, Inequalities

655-705 (Hard) | Geometry, Inequalities hide tags

1, 2

tonebeeze

16 Jan 2011, 16:01

1.2k

33

106,956

02 May 2026, 09:36

ER

On a certain road 10% of the motorists exceed the posted speed limit

655-705 (Hard) | Overlapping Sets, Percent and Interest Problems

655-705 (Hard) | Overlapping Sets, Percent and Interest Problems hide tags

1, 2

chintzzz

11 Dec 2018, 03:18

772

33

76,897

by: tryorcry

22 Apr 2026, 00:01

ER

Which of the following equations has 1 + √2 as one of its roots?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

1, 2

Bunuel

09 Jul 2021, 00:21

1.4k

33

111,827

13 Apr 2026, 07:37

ER

When a person aged 39 is added to a group of n people, the average age

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

1, 2

Bunuel

19 Aug 2015, 02:03

243

33

33,477

01 Apr 2026, 16:42

ER

Two trains, X and Y, started simultaneously from opposite ends of a 10

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

1, 2

Bunuel

18 May 2020, 04:23

655

33

77,027