Problem Solving (PS)

10 Aug 2026, 04:40

ER

100 Hardest and easiest questions for PS as of June 2026

Guides & Resources

Guides & Resources hide tags

Bunuel

01 Jan 2026, 05:45

1.2k

10

321,770

15 Jun 2026, 06:41

GMAT PS Question Directory by Topic & Difficulty

Guides & Resources

Guides & Resources hide tags

bb

16 Apr 2026, 14:28

3.3k

0

1,409,948

by: bb

16 Apr 2026, 14:28

E-GMAT PS HARD QUESTIONS

ps2023

10 Dec 2024, 06:59

2

761

by: ankush2721

17 Jun 2026, 22:41

ER

The probability that an event A occurs is 1/2 and the probability that

Sub 505 (Easy) | Probability

Sub 505 (Easy) | Probability hide tags

MathRevolution

09 Nov 2017, 00:38

16

4

12,955

by: ankush2721

17 Jun 2026, 22:39

ER

Circular gears X and Y start rotating at the same time

555-605 (Medium) | Work and Rate Problems

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

fitzpratik

15 Apr 2019, 08:44

12

6

6,901

17 Jun 2026, 22:37

How many positive integers less than or equal to 50 are divi

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

kevincan

28 Mar 2026, 00:49

5

1

413

17 Jun 2026, 22:14

ER

A particular clock-like device has a round face with three hands. The

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

18 Jan 2024, 13:45

13

5

3,078

17 Jun 2026, 21:43

ER

How many integers will satisfy the inequality x + 4 > |x + 10|?

555-605 (Medium) | Absolute Values, Inequalities

555-605 (Medium) | Absolute Values, Inequalities hide tags

Suraj0184

10 Sep 2022, 05:54

53

7

5,985

17 Jun 2026, 20:56

Initially, 1/4 of the police officers in Brookston were women.

805+ (Hard) | Fractions and Ratios +2 tags

805+ (Hard) | Fractions and Ratios, Percent and Interest Problems, Word Problems hide tags

kevincan

16 Jun 2026, 23:55

4

1

379

by: modiassumenda

17 Jun 2026, 19:59

A school must raise exactly $2,500 over the next year by investing a

605-655 (Medium) | Percent and Interest Problems

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

Bunuel

19 Mar 2017, 07:06

18

6

3,971

17 Jun 2026, 15:25

Harry, at the beginning of the year, invested 25 parts of his total

605-655 (Medium) | Percent and Interest Problems

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

vaibhav1221

20 Aug 2019, 01:59

8

3

1,881

17 Jun 2026, 14:21

ER

STONECOLD'S MATH CHALLENGE - PS AND DS QUESTION COLLECTION.

Collection of Questions +5 tags

Collection of Questions, Downloads, General Math Questions, Math Strategies, Discussions, Guides & Resources hide tags

1, 2, 3, 4, 5

stonecold

24 Jan 2017, 21:46

400

84

144,059

17 Jun 2026, 13:23

A train travels between two cities at an average speed of 80 k m / h .

705-805 (Hard) | Distance and Speed Problems

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

siddhantvarma

13 Jun 2025, 04:34

21

5

1,831

17 Jun 2026, 12:52

ER

Machine A, operating alone at its constant rate, produces 500 feet of

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

Bunuel

01 Jul 2017, 03:42

9

8

9,078

17 Jun 2026, 11:55

ER

A certain tailor shop employs 10 workers who can normally complete an

805+ (Hard) | Work and Rate Problems

805+ (Hard) | Work and Rate Problems hide tags

anhht13

29 Oct 2017, 21:42

41

9

4,267

17 Jun 2026, 09:49

ER

If three of the 16 interns are chosen at random, the probability

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

kevincan

16 Jun 2026, 23:11

10

3

476

by: kevincan

17 Jun 2026, 09:00

ER

A diet contains 300 grams of a mixture of two foods, food X

555-605 (Medium) | Mixture Problems

555-605 (Medium) | Mixture Problems hide tags

ju_1

30 Jul 2012, 08:11

192

13

29,594

17 Jun 2026, 08:28

ER

A team of workers was employed by a contractor who undertook to finish

655-705 (Hard) | Work and Rate Problems

655-705 (Hard) | Work and Rate Problems hide tags

Bunuel

21 Jan 2021, 10:00

32

6

7,577

by: LL132

17 Jun 2026, 08:19

ER

A certain harbor has docking stations along its west and south docks,

505-555 (Easy) | Coordinate Plane +2 tags

505-555 (Easy) | Coordinate Plane, Graphs and Illustrations, Word Problems hide tags

Bunuel

30 Jul 2018, 01:15

283

17

34,367

17 Jun 2026, 07:57

On the planned day of a picnic, there is a 40% chance of rain.

Sub 505 (Easy) | Probability

Sub 505 (Easy) | Probability hide tags

Bunuel

11 Feb 2025, 01:30

13

3

1,890

17 Jun 2026, 07:25

ER

During the summer sales at Breamly, one third of the shirts

805+ (Hard) | Percent and Interest Problems

805+ (Hard) | Percent and Interest Problems hide tags

kevincan

08 Jun 2026, 11:33

5

2

428

by: Kinshook

17 Jun 2026, 07:12

ER

If |x + 5| <= |2x - 5|, which of the following specifies all the value

705-805 (Hard) | Absolute Values, Inequalities

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

Nikhil30

04 Apr 2021, 00:02

69

12

8,966

17 Jun 2026, 06:41

ER

What is the product of all the roots of the following equation?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

ChiranjeevSingh

22 Aug 2017, 21:00

19

5

3,135

17 Jun 2026, 06:38

ER

If x^2 +4x -32 <0, 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

Raxit85

10 Feb 2020, 23:20

31

5

9,604

17 Jun 2026, 06:04

ER

a, b, and c are positive integers. If a, b, and c are assembled into t

705-805 (Hard) | Multiples and Factors

705-805 (Hard) | Multiples and Factors hide tags

Bunuel

27 Oct 2014, 07:22

81

11

22,945

17 Jun 2026, 05:37

ER

In a three digit positive integer, the tens digit is the average of th

655-705 (Hard) | Fractions and Ratios

655-705 (Hard) | Fractions and Ratios hide tags

Bunuel

01 Jun 2020, 10:41

43

9

7,593

17 Jun 2026, 05:33

ER

Regina has $100 in her savings account. If she makes a deposit each

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

15 Jun 2026, 05:30

6

3

400

17 Jun 2026, 05:00

ER

A tank is connected to 10 pipes that are either inlet or outlet types.

555-605 (Medium) | Work and Rate Problems

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

Bunuel

03 Nov 2023, 08:07

29

5

5,898

17 Jun 2026, 03:18

ER

The table above represents 100 people grouped by their blood types.

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

16 Aug 2023, 09:00

130

8

25,610

17 Jun 2026, 02:36

ER

If $10,000 is invested at x percent simple annual interest for n years

555-605 (Medium) | Percent and Interest Problems

555-605 (Medium) | Percent and Interest Problems hide tags

1, 2

gmat blows

23 Jun 2008, 10:38

234

24

89,090

by: egmat

17 Jun 2026, 01:12

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

673

35

39,169

by: NS13s

17 Jun 2026, 00:36

ER

A housing developer gradually bought up all the residential properties

505-555 (Easy) | Sequences, Word Problems

505-555 (Easy) | Sequences, Word Problems hide tags

Bunuel

01 Jun 2026, 07:30

5

3

577

by: GulfTube

17 Jun 2026, 00:32

ER

If x > y > z, which of the following may be true?

555-605 (Medium) | Absolute Values +2 tags

555-605 (Medium) | Absolute Values, Inequalities, Must or Could be True hide tags

pushpitkc

14 Feb 2018, 21:43

28

7

8,221

16 Jun 2026, 23:19

ER

A new home buyer pays 4% annual interest on her first

655-705 (Hard) | Percent and Interest Problems

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

plaverbach

03 Sep 2014, 14:52

25

7

6,930

16 Jun 2026, 23:03

ER

At a conference, there are 250 attendees: 90 speak French, 8

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

kevincan

16 Jun 2026, 03:16

8

5

358

by: kevincan

16 Jun 2026, 22:13

ER

(1/2^(1/2))/((3/2)^(1/2))

505-555 (Easy) | Roots

505-555 (Easy) | Roots hide tags

Bunuel

06 Aug 2023, 12:00

50

8

16,313

by: Ilanchezhiyan

16 Jun 2026, 22:05

A set contains 4n numbers. Of these, n numbers are equal to

705-805 (Hard) | Statistics and Sets Problems

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

kevincan

21 Mar 2026, 13:22

3

1

498

16 Jun 2026, 21:44

-1

Timoteo saved $1 on January 1, 2026, and each successive day

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

kevincan

08 Jun 2026, 00:19

7

1

295

16 Jun 2026, 21:23

♠n denotes the number obtained when n is rounded to the nearest tenth.

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

Bunuel

18 May 2016, 02:18

2

4

7,590

16 Jun 2026, 21:12

Both in their old apartment and in their new one, Dieter and

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

kevincan

16 Jun 2026, 12:59

6

1

331

by: modiassumenda

16 Jun 2026, 19:57

ER

Forty students are divided into two classes. The students ha

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

kevincan

15 Jun 2026, 13:27

4

2

342

by: kevincan

16 Jun 2026, 19:46

ER

In XYZ Building, a flight of stairs connects each floor to the next, a

805+ (Hard) | Distance and Speed Problems

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

Bunuel

23 Apr 2015, 04:01

52

8

7,903

16 Jun 2026, 16:16

ER

At a certain photoprocessing shop, the first standard-size print of a

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

08 May 2022, 02:33

122

9

21,196

by: AllisonBell

16 Jun 2026, 14:53

ER

Car B begins moving at 2 mph around a circular track with a radius of

805+ (Hard) | Distance and Speed Problems

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

1, 2, 3

yangsta8

17 Dec 2017, 01:11

486

52

60,023

by: Amity007

16 Jun 2026, 14:13

ER

At 12:00 pm, trains A and B passed each other. Since leaving Westtown

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

07 Jun 2026, 07:30

5

3

560

by: pappal

16 Jun 2026, 13:26

ER

A reality show has four answer choices for each question - A, B, C, an

805+ (Hard) | Combinations, Probability

805+ (Hard) | Combinations, Probability hide tags

Abhibarua

25 Jul 2021, 05:54

19

7

3,235

by: Regor60

16 Jun 2026, 13:06

ER

For every integer n, n* is defined as the sum of all the distinct

605-655 (Medium) | Multiples and Factors

605-655 (Medium) | Multiples and Factors hide tags

Bunuel

29 Apr 2019, 23:25

25

8

4,437

16 Jun 2026, 11:59

ER

Sati and Savitri visited three temples to offer flowers At the first

655-705 (Hard) | Fractions and Ratios

655-705 (Hard) | Fractions and Ratios hide tags

playthegame

18 Feb 2024, 01:00

39

5

3,860

by: egmat

16 Jun 2026, 10:46

ER

For an item that was purchased from a mail-order company, the shipping

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

JuliusM

27 Feb 2024, 02:50

40

5

8,160

16 Jun 2026, 10:27

ER

A certain university will select 1 of 7 candidates eligible to fill a

Sub 505 (Easy) | Combinations

Sub 505 (Easy) | Combinations hide tags

Bunuel

06 Dec 2011, 19:56

399

13

72,804

16 Jun 2026, 10:22

ER

A population of a colony of bacteria increases by 20 percent every 3

505-555 (Easy) | Exponents

505-555 (Easy) | Exponents hide tags

Bunuel

05 Jun 2018, 02:23

11

6

9,610

by: GulfTube

16 Jun 2026, 09:42

ER

The number of positive integral solutions of the equation a+b+c+d+e =

705-805 (Hard) | Combinations

705-805 (Hard) | Combinations hide tags

Yogananda

31 May 2020, 02:53

49

9

8,009