Problem Solving (PS)

10 Aug 2026, 04:40

ER

100 Hardest and easiest questions for PS as of June 2026

Guides & Resources

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Bunuel

01 Jan 2026, 05:45

1.2k

10

321,732

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

1,409,800

by: bb

16 Apr 2026, 14:28

ER

If x is a positive integer, then x(x − 1) is

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

15 Oct 2019, 02:19

1

5

6,857

by: suyashahuja

16 Oct 2019, 23:57

The product of positive integers x, y and z is 66. If y is even, x is

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

16 Oct 2019, 23:17

2

3,189

by: Kinshook

16 Oct 2019, 23:36

If x and y are integers, and 3x + 2y = 13, which of the following coul

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

16 Oct 2019, 00:33

3

8,550

by: Kinshook

16 Oct 2019, 08:27

John invests 100 dollars in account that yields 8% simple interest ann

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Bunuel

16 Oct 2019, 00:49

1

2,473

16 Oct 2019, 08:04

John is three times as old as Sam. If John will be twice as old as Sam

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

16 Oct 2019, 01:28

4

10,484

by: Kinshook

16 Oct 2019, 07:48

ER

According to the graph above, what percent of people pay for graduate

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Bunuel

16 Oct 2019, 01:14

2

1,579

16 Oct 2019, 07:30

ER

Driving at 48 miles per hour, how many minutes will take to drive 32

505-555 (Easy) | Distance and Speed Problems

505-555 (Easy) | Distance and Speed Problems hide tags

Bunuel

16 Oct 2019, 01:18

2

4,535

16 Oct 2019, 07:27

x bags of marbles are to be created, each consisting of y red marbles,

555-605 (Medium) | Min-Max Problems +2 tags

555-605 (Medium) | Min-Max Problems, Multiples and Factors, Number Properties hide tags

Bunuel

15 Oct 2019, 21:14

18

9

3,033

by: joohwangie

16 Oct 2019, 06:01

ER

55^5/5^55=

Sub 505 (Easy) | Exponents

Sub 505 (Easy) | Exponents hide tags

Sajjad1994

17 Oct 2017, 12:23

7

5

10,100

by: mimajit

16 Oct 2019, 01:53

If x is an odd integer, which of the following is also an odd integer?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

15 Oct 2019, 06:37

3

5,015

by: dcummins

15 Oct 2019, 20:27

ER

If for any number N, f(N) is defined as the least integer

555-605 (Medium) | Functions and Custom Characters

555-605 (Medium) | Functions and Custom Characters hide tags

derekgmat

08 Nov 2012, 06:32

8

3

5,175

15 Oct 2019, 19:54

ER

The average earning of each member of the Gates family is 20% less tha

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

gmatash

07 Aug 2016, 22:35

4

10,637

15 Oct 2019, 19:51

ER

In the figure, ABCD is a rectangle, and the area of triangle ACE is 10

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

hirendhanak

28 Dec 2010, 06:45

12

14

10,158

15 Oct 2019, 15:40

ER

If a runner in a marathon had the 37th fastest time and the 50th slowe

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

26 Dec 2014, 08:32

5

10

5,915

15 Oct 2019, 13:39

ER

What is the fractional equivalent of 12.5%?

Sub 505 (Easy) | Fractions and Ratios, Percent and Interest Problems

Sub 505 (Easy) | Fractions and Ratios, Percent and Interest Problems hide tags

Bunuel

30 Jul 2019, 05:41

1

4

2,226

15 Oct 2019, 12:34

ER

What is 35% of a number if 12 is 15% of a number?

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Bunuel

08 Aug 2019, 01:41

4

10,870

15 Oct 2019, 12:31

ER

Celeste worked for h hours each day for d consecutive days. If she ear

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

09 Jun 2016, 02:17

4

3,940

15 Oct 2019, 12:25

If S = n(n + 1)/2 and n = 40, then S =

Sub 505 (Easy) | Arithmetic

Sub 505 (Easy) | Arithmetic hide tags

Bunuel

15 Oct 2019, 07:02

3

4,970

by: saukrit

15 Oct 2019, 11:56

If positive integer a is multiplied by integer b and the result is les

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

15 Oct 2019, 02:14

2

1,315

15 Oct 2019, 08:17

ER

A number has 16 factors. How many factors

Poor Quality

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Hovkial

01 Oct 2019, 10:21

11

7

9,490

by: Bunuel

14 Oct 2019, 23:17

ER

In the figure , AB is parallel to PQ. [m]\angle[/m] XYB = 40 and [m]\a

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

KSBGC

12 Oct 2019, 02:18

1

4

1,800

by: chetan2u

14 Oct 2019, 22:06

Which of the following could be the units digit of 57^n, where n is a

Sub 505 (Easy) | Exponents, Number Properties

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

Bunuel

14 Oct 2019, 21:55

1

5,853

14 Oct 2019, 22:02

ER

For which of the following values of k is (k + 20)/k NOT an integer?

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Bunuel

13 Aug 2019, 01:13

1

6

2,153

14 Oct 2019, 21:58

ER

Two rectangular table tops have equal area. If the first table top is

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

11 Jun 2019, 02:07

6

1,822

14 Oct 2019, 21:57

ER

When 1/10 percent of 10,000 is added to 1/10 of 10,000, the result is

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

Bunuel

13 Aug 2019, 01:58

4

6,820

14 Oct 2019, 21:38

ER

Upon making a sale, Pat receives a 9 percent commission on the price o

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Bunuel

13 Aug 2019, 02:08

4

1,410

14 Oct 2019, 21:35

ER

A rectangular box has a volume of 320 cubic meters, and a second box

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

13 Aug 2019, 02:10

2

5

2,597

14 Oct 2019, 21:33

ER

How to Choose the Right Number for a GMAT Variable Problem

Theory, Guides & Resources

Theory, Guides & Resources hide tags

Bunuel

03 Feb 2016, 05:28

12

3

5,980

14 Oct 2019, 20:16

ER

If a, b, c and d are consecutive integers (a < b < c < d). What is the

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

14 Oct 2019, 18:53

2

4

2,317

14 Oct 2019, 18:51

ER

A vendor bought a number of bananas at 3 for a dollar and sold them

Sub 505 (Easy) | Arithmetic, Word Problems

Sub 505 (Easy) | Arithmetic, Word Problems hide tags

KSBGC

09 Jul 2018, 16:27

2

5

3,462

14 Oct 2019, 14:50

ER

If the ratio of male students to female students in a philosophy class

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

07 Nov 2018, 00:54

2

6

4,117

14 Oct 2019, 14:47

ER

If [[x]] = x^2 + 2x + 4, what is the value of [[3]]?

Sub 505 (Easy) | Arithmetic

Sub 505 (Easy) | Arithmetic hide tags

Bunuel

24 Mar 2016, 03:04

3

5

7,877

14 Oct 2019, 14:44

The figure above is made up of 5 squares of equal area, with a total a

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

11 Jan 2019, 02:02

2

3

4,722

14 Oct 2019, 14:40

ER

The base of a hemisphere is inscribed in one face of a cube

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

alchemist009

10 Jun 2012, 22:12

4

4,956

14 Oct 2019, 14:02

A school purchased 2 computers whose prices were $1,000 and $2,000, re

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

14 Oct 2019, 08:29

4

5,983

by: saifu

14 Oct 2019, 11:46

ER

Of the 100 passengers who entered a railroad station, 10 passengers ha

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

Bunuel

14 Oct 2019, 07:40

4

6,824

by: daagh

14 Oct 2019, 11:36

At Tenderloin Pharmaceuticals, 25 percent of the employees take the su

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Bunuel

14 Oct 2019, 03:28

4

2,081

by: siddharthkapoor

14 Oct 2019, 09:53

In the figure , which is the longest arm ?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

KSBGC

10 Oct 2019, 23:50

1

3

1,997

by: KSBGC

14 Oct 2019, 08:57

In the figure above, point D is in the interior of angle ABC and the

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

14 Oct 2019, 03:24

1

2,233

14 Oct 2019, 05:29

The perimeter of a flat rectangular lawn is 42 meters. The width of th

Sub 505 (Easy) | Geometry, Percent and Interest Problems

Sub 505 (Easy) | Geometry, Percent and Interest Problems hide tags

Bunuel

14 Oct 2019, 03:35

1

4,679

14 Oct 2019, 05:04

Susan has an average of 86 in three examinations. What grade must she

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

Bunuel

14 Oct 2019, 03:36

1

10,857

14 Oct 2019, 05:02

Last year’s receipts from the sale of greeting cards during the week

Sub 505 (Easy) | Percent and Interest Problems, Word Problems

Sub 505 (Easy) | Percent and Interest Problems, Word Problems hide tags

Bunuel

14 Oct 2019, 03:38

1

5,436

14 Oct 2019, 04:59

If the ratio of the side of cube A to the side of cube B is 2:1, then

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

14 Oct 2019, 04:06

1

1,199

14 Oct 2019, 04:42

ER

The figure shows that ∠ABF=∠ACF=∠FEC=30 and DE is parallel to the BC.

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

MathRevolution

11 Oct 2019, 01:09

4

1,047

by: MathRevolution

13 Oct 2019, 18:30

ER

A sports league encourages collaboration by awarding 3 points for each

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

10 Oct 2019, 00:41

2

3

3,480

13 Oct 2019, 18:23

ER

If Joe Bob was 25 years old 5 years ago, how old was he x years ago?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

10 Oct 2019, 01:25

1

4

1,912

13 Oct 2019, 18:21

ER

A’s income is 25% more than B’s income. B's income in terms of A’s inc

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Bunuel

10 Oct 2019, 00:21

1

3

12,418

13 Oct 2019, 18:19

ER

At a certain university, 7 students from the 10-student history depart

555-605 (Medium) | Combinations

555-605 (Medium) | Combinations hide tags

Bunuel

09 Oct 2019, 23:23

2

2,458

13 Oct 2019, 18:16

ER

The variables a, b, and c are distinct factors of 24. Which of the fol

505-555 (Easy) | Must or Could be True, Number Properties

505-555 (Easy) | Must or Could be True, Number Properties hide tags

Bunuel

25 Jul 2018, 21:57

10

7

3,583

13 Oct 2019, 12:39

ER

Of the 80 house in a development, 50 have a two-car garage, 40 have an

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

Bunuel

03 Mar 2015, 07:05

8

9

26,477