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

322,055

by: Bunuel

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

1,411,003

by: bb

16 Apr 2026, 14:28

ER

If A + B = 5, B + C = 4, and C + D = 6, then AB + CD + AC + BD is:

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

01 Nov 2021, 04:15

33

10

3,780

29 Dec 2024, 01:19

ER

When the positive integer n is divided by 17, the remainder is 8. What

Sub 505 (Easy) | Remainders

Sub 505 (Easy) | Remainders hide tags

philipssonicare

27 Mar 2021, 23:17

10

5

5,226

28 Dec 2024, 22:02

ER

(0.15 - 0.03)/(0.2*0.3) =

Sub 505 (Easy) | Arithmetic

Sub 505 (Easy) | Arithmetic hide tags

Bunuel

17 Oct 2019, 00:38

1

3

2,224

28 Dec 2024, 21:58

ER

If g(x) = 2x^2 + 20, what is g(21)?

Sub 505 (Easy) | Functions and Custom Characters

Sub 505 (Easy) | Functions and Custom Characters hide tags

Bunuel

24 Nov 2021, 05:45

2

4

1,517

28 Dec 2024, 20:39

ER

If A ◊ B = 4A − B, what is the value of (3 ◊ 2) ◊ 3?

Sub 505 (Easy) | Functions and Custom Characters

Sub 505 (Easy) | Functions and Custom Characters hide tags

Bunuel

31 Mar 2021, 05:00

1

4

2,060

28 Dec 2024, 20:31

ER

If f(x) = x^2 and g(x) = x + 3, then g(f(x)) =

Sub 505 (Easy) | Functions and Custom Characters

Sub 505 (Easy) | Functions and Custom Characters hide tags

Bunuel

11 Dec 2020, 10:30

1

4

4,383

28 Dec 2024, 20:26

ER

The formula for spring factor in a shoe insole is (w^2 + x)/3, where w

Sub 505 (Easy) | Algebra, Functions and Custom Characters

Sub 505 (Easy) | Algebra, Functions and Custom Characters hide tags

Bunuel

31 Mar 2021, 04:30

4

2

2,293

28 Dec 2024, 20:19

ER

Let # be defined for all numbers a, b, c, and d by

Sub 505 (Easy) | Functions and Custom Characters

Sub 505 (Easy) | Functions and Custom Characters hide tags

Sajjad1994

05 Mar 2020, 07:58

3

4

1,837

28 Dec 2024, 20:10

ER

A merchant marks his goods up in such a way that the profit made on

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

18 Aug 2015, 02:17

25

6

10,144

28 Dec 2024, 19:55

ER

Let function be defined as follows: (x)=x!+(x+1)!/(x+2)!. What is

Sub 505 (Easy) | Functions and Custom Characters

Sub 505 (Easy) | Functions and Custom Characters hide tags

Bunuel

08 Feb 2022, 04:15

1

3

1,682

28 Dec 2024, 19:46

ER

If a and b are constants, then f2, as defined above, equals

Sub 505 (Easy) | Sequences

Sub 505 (Easy) | Sequences hide tags

guddo

24 Jan 2024, 09:29

11

2

4,537

28 Dec 2024, 19:41

ER

A plane is flying from City A to City B at m miles per hour. Another

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

29 Dec 2020, 04:00

8

4

2,383

by: onlymalapink

28 Dec 2024, 14:08

ER

If 3a – 2b – 2c = 32 and 3a - 2b + 2c = 4, what is the value of a + b

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

31 Dec 2015, 05:52

43

12

6,590

28 Dec 2024, 13:08

ER

From 8 people, a team of 4 needs to be selected. How many ways are pos

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

Bunuel

11 Jan 2022, 08:00

17

3

2,823

28 Dec 2024, 12:51

ER

For each month of a given year except December

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

shapla

12 Mar 2016, 11:26

24

8

8,604

28 Dec 2024, 12:31

ER

If a, b, and c are consecutive integers, such that a*b*c = a + b + c

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Bunuel

15 Jun 2020, 10:27

16

8

4,278

28 Dec 2024, 12:27

ER

2/5th of the voters promise to vote for A and the rest promised to vot

655-705 (Hard) | Percent and Interest Problems

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

WarriorWithin

22 Nov 2020, 01:31

32

7

22,204

by: BraydinWalters

28 Dec 2024, 12:16

ER

If when x is divided by z, the result is y remainder q, then which of

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

31 Oct 2018, 01:00

10

5

5,515

28 Dec 2024, 12:10

ER

The import duty on a car is 50% of its cost. An additional s

605-655 (Medium) | Percent and Interest Problems

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

Emdad

13 May 2021, 05:03

5

3

4,920

by: BraydinWalters

28 Dec 2024, 11:40

ER

A store average x dollars a month in sales for the first five months

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

14 Feb 2020, 04:48

4

2,407

28 Dec 2024, 09:55

ER

If x = a + b and y = a + 2b, then what is a − b, in terms of x and y

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

10 Mar 2020, 04:23

19

3

5,782

28 Dec 2024, 08:41

ER

If b and c are positive integers such that (11 + b√c)^(1/2)

655-705 (Hard) | Algebra, Roots

655-705 (Hard) | Algebra, Roots hide tags

Bunuel

28 Jan 2022, 05:15

11

3

3,080

28 Dec 2024, 07:20

An executive is planning his morning schedule, which will include five

555-605 (Medium) | Combinations

555-605 (Medium) | Combinations hide tags

Bunuel

28 Dec 2021, 05:15

1

2

1,246

28 Dec 2024, 06:49

ER

In how many ways can be letters of the word DISCOVERY be arranged so

555-605 (Medium) | Combinations

555-605 (Medium) | Combinations hide tags

Bunuel

21 Jun 2022, 12:45

3

4

3,448

28 Dec 2024, 06:16

The straight lines 3x - 4y + 4 = 0 and 6x - 8y - 7 = 0 are tangents to

655-705 (Hard) | Coordinate Plane, Geometry

655-705 (Hard) | Coordinate Plane, Geometry hide tags

Bunuel

29 Apr 2021, 04:30

20

4

2,537

28 Dec 2024, 05:42

ER

In a family, the father took 1/4 of the cake and he had 3 times as muc

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

10 Jun 2022, 11:45

9

3

5,953

28 Dec 2024, 04:04

ER

A company has 15 managers and 75 associates. The 15 managers have an

505-555 (Easy) | Statistics and Sets Problems, Word Problems

505-555 (Easy) | Statistics and Sets Problems, Word Problems hide tags

Bunuel

24 Feb 2015, 07:41

11

11,523

28 Dec 2024, 03:50

Determining number of digits - Collection of Questions

Collection of Questions, Guides & Resources, Useful Links

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

Bunuel

07 Mar 2023, 02:34

2

1

5,016

28 Dec 2024, 03:20

ER

Find the number of factors of 180 that are in the form (2*k + 2), wher

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

Bunuel

22 Nov 2023, 02:30

7

5

2,474

28 Dec 2024, 01:51

ER

If 1/(x*sqrt(3)) = sqrt(2)/24, x is ?

505-555 (Easy) | Roots

505-555 (Easy) | Roots hide tags

Kavicogsci

24 Aug 2024, 21:54

3

2

2,345

27 Dec 2024, 20:49

ER

Jars A and B each contain a mix of red and blue pebbles. The ratio of

605-655 (Medium) | Fractions and Ratios

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

rohan2345

04 Sep 2018, 09:22

15

6

6,831

by: JhonnyMe

27 Dec 2024, 12:00

ER

Set N is a series of six consecutive odd integers. In set N, the lowes

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

26 Oct 2016, 06:43

19

7

4,990

by: Elenamba

27 Dec 2024, 11:49

ER

Let ‘a’ and ‘b’ be two 2 digit numbers such that b is obtained by reve

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

firas92

19 Aug 2020, 07:01

11

3

3,326

27 Dec 2024, 09:23

ER

Raju and Lalitha originally had marbles in the ratio 4 : 9. Then Lalit

555-605 (Medium) | Fractions and Ratios

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

Bunuel

03 Apr 2020, 08:26

24

8

10,790

by: JhonnyMe

27 Dec 2024, 09:05

ER

x is a positive integer less than 100. When x is divided by 5, the rem

Sub 505 (Easy) | Remainders

Sub 505 (Easy) | Remainders hide tags

Bunuel

03 Dec 2018, 03:08

18

7

11,606

27 Dec 2024, 08:51

ER

If a positive integer n is divided by 5, the remainder is 3. Which of

Sub 505 (Easy) | Remainders

Sub 505 (Easy) | Remainders hide tags

Bunuel

15 Mar 2019, 00:02

5

3

22,623

27 Dec 2024, 08:43

ER

If (z + 3)/5 is an integer, what is remainder when z is divided by 5?

Sub 505 (Easy) | Number Properties, Remainders

Sub 505 (Easy) | Number Properties, Remainders hide tags

Bunuel

06 Jan 2015, 08:04

25

13

13,045

27 Dec 2024, 08:39

In a group, 70 speak English, 90 speak German, and 60 speak French. If

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

18 Nov 2021, 08:45

20

3

5,095

27 Dec 2024, 07:45

Three candles which can burn, 60 minutes, 80 minutes and 100 minutes r

805+ (Hard) | Arithmetic, Overlapping Sets

805+ (Hard) | Arithmetic, Overlapping Sets hide tags

nick1816

10 Jun 2021, 21:45

45

8

7,279

27 Dec 2024, 07:33

ER

If the raining season in Jerusalem begins, Dora estimates a 20% probab

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

fskilnik

08 Mar 2019, 07:46

9

3

1,846

27 Dec 2024, 06:08

ER

What is the smallest integer larger than (3 +2)^6 ?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Bunuel

05 May 2022, 01:30

16

3

2,505

by: miag

27 Dec 2024, 00:26

N = a!×b!×c!×d!/e! where a, b, c, and d, are four distinct positive in

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

06 Oct 2023, 01:30

17

6

2,778

26 Dec 2024, 23:34

ER

If f(x) = (x+1)/(x-1), then the ratio of x to f(y)

555-605 (Medium) | Fractions and Ratios

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

saswata4s

24 Feb 2017, 03:05

9

8

16,153

26 Dec 2024, 21:04

Machines X and Y pack books continuously, each working at a constant

555-605 (Medium) | Work and Rate Problems

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

Bunuel

15 Jun 2021, 08:45

4

4,658

26 Dec 2024, 19:33

ER

What is the ratio of the sum of the odd positive integers between 1 an

655-705 (Hard) | Fractions and Ratios

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

Bunuel

15 May 2018, 02:49

13

4

7,916

26 Dec 2024, 17:13

How many 5 digit numbers have at least one zero digit?

655-705 (Hard) | Combinations

655-705 (Hard) | Combinations hide tags

Bunuel

03 May 2023, 04:15

8

2

5,088

by: Ixens

26 Dec 2024, 14:36

ER

Six three-representative delegations attend an international conferenc

555-605 (Medium) | Combinations

555-605 (Medium) | Combinations hide tags

Bunuel

23 Dec 2016, 01:00

32

11

8,369

26 Dec 2024, 13:53

ER

On a journey across Dhaka, a bus averages 10 miles/h for 20% of the di

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

30 Jan 2020, 03:57

5

4

2,555

by: JhonnyMe

26 Dec 2024, 10:17

ER

In an election for the managing committee of a reputed club, the numbe

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

Bunuel

12 Feb 2021, 03:00

7

2

4,207

26 Dec 2024, 07:35

A man reaches his office 30 min late, if he walks from his home at 3

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

24 Mar 2020, 04:17

12

6

11,183