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

321,710

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

1,409,722

by: bb

16 Apr 2026, 14:28

ER

There are 5 semi-finalist, including John and Maria. If there is no

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

10 Mar 2023, 02:30

32

8

2,745

by: paragw

20 Jun 2026, 22:18

ER

A merchant sold a total of X shirts and trousers. If the number of tro

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

25 May 2022, 07:15

2

1,308

by: TrueShip

20 Jun 2026, 21:56

Among 350 card, cards No.100 to No.299 are red. Among all red cards

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

17 Nov 2022, 09:34

7

2

1,739

by: paragw

20 Jun 2026, 21:55

ER

Ben and Shari have invited three other couples to their apar

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

Ronak275

03 Jul 2014, 12:51

94

18

7,908

20 Jun 2026, 20:59

ER

For a sequence t_1, t_2, t_3, ..., S_n denotes the sum of the first n

805+ (Hard) | Algebra, Sequences

805+ (Hard) | Algebra, Sequences hide tags

Bunuel

15 May 2020, 01:09

38

18

6,647

by: Kinshook

20 Jun 2026, 22:32

In a certain sequence a1, a2, ...an..., for n>1, each term is the sum

655-705 (Hard) | Sequences

655-705 (Hard) | Sequences hide tags

Bunuel

28 Oct 2021, 07:30

14

2

3,308

20 Jun 2026, 17:00

ER

In how many different ways can a group of 8 people be divide

705-805 (Hard) | Combinations

705-805 (Hard) | Combinations hide tags

Bunuel

24 Oct 2009, 04:20

533

17

133,798

20 Jun 2026, 14:52

Alligation Made Easy

SaquibHGMATWhiz

02 Nov 2022, 07:08

14

4

5,763

20 Jun 2026, 11:48

ER

Working alone at their respective constant rates, an outlet pump can

555-605 (Medium) | Work and Rate Problems

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

Bunuel

08 Aug 2023, 01:30

12

5

4,137

20 Jun 2026, 11:20

A furniture company makes two types of desks: type A, and type B. If i

555-605 (Medium) | Fractions and Ratios, Word Problems

555-605 (Medium) | Fractions and Ratios, Word Problems hide tags

EthanTheTutor

09 Jun 2022, 00:45

18

3

2,748

20 Jun 2026, 11:14

ER

An organization has three committees. Only two persons are members of

605-655 (Medium) | Min-Max Problems, Overlapping Sets

605-655 (Medium) | Min-Max Problems, Overlapping Sets hide tags

Bunuel

10 Jan 2021, 07:59

25

4

13,083

20 Jun 2026, 11:06

ER

If N is a positive integer and 180 is a factor of N^3, then what is th

605-655 (Medium) | Multiples and Factors

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

PyjamaScientist

19 Jul 2021, 05:38

29

3

5,261

20 Jun 2026, 11:04

ER

Rohan's Plushie Emporium sells exactly two types of teddy bear

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

18 Jun 2026, 19:00

9

3

350

20 Jun 2026, 10:45

One year ago , 91% of the pieces at the Boronaky

655-705 (Hard) | Percent and Interest Problems

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

kevincan

20 Jun 2026, 06:16

4

1

362

by: paragw

20 Jun 2026, 10:18

ER

On the xy coordinate plane, point C is (5,-2) and point D is

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

brobeedle

14 May 2014, 07:34

56

10

10,537

20 Jun 2026, 10:16

ER

The sum of the positive divisors of 45 is 78. What is the su

705-805 (Hard) | Multiples and Factors

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

kevincan

15 Jun 2026, 13:58

15

3

511

by: BongBideshini

20 Jun 2026, 10:12

ER

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

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

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

1, 2

chintzzz

11 Dec 2018, 03:18

823

34

78,851

by: doloremquesequi

20 Jun 2026, 10:02

ER

An empty reservoir has two taps for water inlet – one at the top of th

655-705 (Hard) | Work and Rate Problems

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

rheam25

24 Feb 2020, 10:33

81

12

9,002

by: nischays1

20 Jun 2026, 10:00

ER

Two housepainters, Spencer and Günther, work together but have

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

18 Jun 2026, 19:00

5

3

430

20 Jun 2026, 09:45

ER

In a class of 100 students, 80 passed Physics, 70 passed Chemistry, an

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

1, 2

Bunuel

15 Nov 2015, 09:48

205

22

42,700

by: bishal128

20 Jun 2026, 09:26

ER

When 10 is divided by the positive integer n, the remainder is n - 4.

Sub 505 (Easy) | Multiples and Factors, Remainders

Sub 505 (Easy) | Multiples and Factors, Remainders hide tags

Bunuel

14 Mar 2014, 03:18

169

11

49,658

20 Jun 2026, 09:19

ER

Allison takes Blaise out to the ballgame and buys two bags of peanuts

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

17 Jun 2026, 19:00

6

4

350

20 Jun 2026, 08:45

How many four digit numbers have no repeat digits, do not co

705-805 (Hard) | Combinations, Number Properties

705-805 (Hard) | Combinations, Number Properties hide tags

mikemcgarry

04 Nov 2013, 11:45

87

14

27,873

20 Jun 2026, 08:14

Three young brother-sister pairs from different families need to take

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

Bunuel

13 May 2019, 23:18

24

7

4,868

20 Jun 2026, 07:36

If the sum of 5, 8, 12, and 15 is equal to the sum of 3, 4, x, and x +

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

16 Sep 2018, 22:06

7

4

15,410

20 Jun 2026, 07:32

ER

A number is selected at random from a list of the first 10 positive in

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

gmatophobia

01 Jan 2024, 06:13

48

6

11,154

20 Jun 2026, 06:53

ER

A box contains 11 balls, of which 6 are yellow and 5 are blue. If 2 ba

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

HL1512

10 Oct 2023, 10:22

63

10

14,673

20 Jun 2026, 06:32

ER

What is the value of x - 3y ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

16 Jun 2026, 19:00

3

490

20 Jun 2026, 06:30

ER

Mrs.Robbins started half an hour later than usual for market

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

cleetus

08 Nov 2010, 11:08

142

16

24,489

by: Vivek1707

20 Jun 2026, 05:33

ER

Which of the following is true of the numbers shown above?

605-655 (Medium) | Arithmetic

605-655 (Medium) | Arithmetic hide tags

Bunuel

16 Jun 2026, 19:00

7

4

635

20 Jun 2026, 05:15

ER

For every positive integer n that is greater than 1, the function g(n)

655-705 (Hard) | Functions and Custom Characters, Sequences

655-705 (Hard) | Functions and Custom Characters, Sequences hide tags

EMPOWERgmatRichC

19 Nov 2015, 17:37

26

9

7,813

by: Raunak1x

20 Jun 2026, 05:12

ER

If [3(ab)^3 + 9(ab)^2 54ab] / [(a-1)(a + 2)] = 0, and a and b are bo

805+ (Hard) | Algebra, Must or Could be True

805+ (Hard) | Algebra, Must or Could be True hide tags

Bunuel

05 Nov 2014, 08:46

160

14

21,545

20 Jun 2026, 04:50

ER

If the symbols Δ and ◊ each represent digits in the following subtract

555-605 (Medium) | Arithmetic +2 tags

555-605 (Medium) | Arithmetic, Fractions and Ratios, Functions and Custom Characters hide tags

pratikshr

01 Aug 2014, 02:21

154

9

21,088

20 Jun 2026, 04:36

ER

Excluding stoppages, the speed of a bus is 54km/hr and including stopp

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

1, 2

stonecold

27 Jan 2022, 06:31

198

24

88,087

by: Adit_

20 Jun 2026, 04:34

In a recent marathon, 40% of all participants finished in le

705-805 (Hard) | Percent and Interest Problems, Word Problems

705-805 (Hard) | Percent and Interest Problems, Word Problems hide tags

kevincan

17 Jun 2026, 23:28

8

2

431

by: onlyPlanA

20 Jun 2026, 04:32

ER

Which of the following numbers is closest to 1/2?

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

Bunuel

15 Jun 2026, 19:00

10

2

539

20 Jun 2026, 04:15

ER

A truck travelling at 70 kilometres per hour uses 30% more diesel to

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

Bunuel

30 Dec 2019, 02:14

23

3

30,791

20 Jun 2026, 04:08

ER

Working alone, Raluca, Ioana and Andreea

655-705 (Hard) | Work and Rate Problems

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

kevincan

13 Jun 2026, 21:18

15

5

486

by: Adit_

20 Jun 2026, 03:52

ER

A palindromic number is a number that remains the same when its digits

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

MathRevolution

10 Jan 2018, 01:10

51

9

13,269

by: The_ashura

20 Jun 2026, 03:20

ER

A train left a station P at 6 am and reached another station Q at 11

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

Bunuel

01 Jul 2017, 03:32

102

13

33,461

20 Jun 2026, 03:18

ER

If n is a positive integer, and n^2 has 25 factors, which of the follo

805+ (Hard) | Multiples and Factors +2 tags

805+ (Hard) | Multiples and Factors, Must or Could be True, Number Properties hide tags

Bunuel

07 Nov 2019, 02:16

65

9

8,820

20 Jun 2026, 02:34

ER

A necklace is made by stringing N individual beads together

505-555 (Easy) | Remainders

505-555 (Easy) | Remainders hide tags

GMATT73

02 Nov 2006, 07:41

207

16

53,121

20 Jun 2026, 01:10

ER

An investor opened a money market account with a single deposit of $60

805+ (Hard) | Percent and Interest Problems

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

1, 2

cccmom

29 Dec 2009, 13:28

402

29

30,027

20 Jun 2026, 01:00

ER

A large watermelon weighs 20 kg with 96% of its weight being water. I

655-705 (Hard) | Fractions and Ratios, Percent and Interest Problems

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

cfc198

02 Mar 2019, 09:52

45

7

21,847

20 Jun 2026, 00:24

ER

There are 500 cars on a sales lot, all of which have either two doors

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

mikemcgarry

27 Feb 2017, 17:16

313

14

30,819

20 Jun 2026, 00:06

ER

Pipe A can fill an empty Tank in 5 hours, while a pipe B can empty the

555-605 (Medium) | Work and Rate Problems

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

nischays1

19 Jun 2026, 20:33

10

3

392

19 Jun 2026, 23:47

ER

An automated manufacturing unit employs N experts such that the range

805+ (Hard) | Statistics and Sets Problems

805+ (Hard) | Statistics and Sets Problems hide tags

1, 2

Bunuel

07 Apr 2015, 06:34

268

22

26,982

19 Jun 2026, 20:50

ER

On the number line above, what is the length of segment AB ?

505-555 (Easy) | Arithmetic

505-555 (Easy) | Arithmetic hide tags

seed

24 May 2018, 08:00

15

9

10,645

19 Jun 2026, 20:47

ER

The ratio of the number of students in two classrooms, C1 and C2, is 2

605-655 (Medium) | Arithmetic, Fractions and Ratios

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

kawal27

07 Sep 2020, 02:01

67

8

11,430

by: ronakpujari94

19 Jun 2026, 20:06

ER

A decimal is called a shrinking number if its value is between 0 and

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

09 Nov 2021, 02:30

26

9

7,805