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

321,682

by: Bunuel

15 Jun 2026, 06:41

GMAT PS Question Directory by Topic & Difficulty

Guides & Resources

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bb

16 Apr 2026, 14:28

3.3k

0

1,409,630

by: bb

16 Apr 2026, 14:28

What is the sum of the distinct prime factors of 36 ?

Sub 505 (Easy) | Multiples and Factors, Number Properties

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

Bunuel

18 Feb 2019, 01:04

1

2

1,970

18 Feb 2019, 01:16

ER

In how many no. between 100 and 1000 at least one of their digits is 7

Poor Quality

Poor Quality hide tags

GMATinsight

14 Oct 2015, 21:23

27

4

34,612

by: GMATinsight

18 Feb 2019, 00:16

ER

The right triangle △ABC has side lengths 10 – x, 9 – x, and 8 – x. Giv

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

amresh09

12 Feb 2019, 01:04

11

4

9,528

by: eabhgoy

17 Feb 2019, 01:00

ER

A parking lot contains ten cars. The average age of the cars is seven

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

13 Feb 2019, 00:48

5

2,778

by: IanStewart

16 Feb 2019, 16:52

ER

Jesse's home library only contains 2 types of books, paperbacks, and

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

LordStark

13 Feb 2019, 07:48

1

3

2,502

by: IanStewart

16 Feb 2019, 16:06

ER

In the figure above, if PQ is a line segment and PO = OQ, what are the

Sub 505 (Easy) | Coordinate Plane, Geometry

Sub 505 (Easy) | Coordinate Plane, Geometry hide tags

Bunuel

15 Dec 2017, 02:13

1

4

2,779

16 Feb 2019, 04:13

ER

The longest straight line that can be inscribed in an isosce

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

fozzzy

20 Jul 2013, 05:41

14

7

4,195

16 Feb 2019, 03:04

ER

X is what percent greater than Y percent of Z?

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Poor Quality hide tags

sugu86

26 Apr 2012, 02:06

10

4

12,944

15 Feb 2019, 20:55

ER

Anthony runs a business manufacturing machine parts. If Anthony’s busi

505-555 (Easy) | Percent and Interest Problems

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

Bunuel

13 Feb 2019, 00:29

3

1,780

15 Feb 2019, 19:18

ER

Which of the following fractions is equal to the repeating decimal 0.3

Sub 505 (Easy) | Fractions and Ratios, Number Properties

Sub 505 (Easy) | Fractions and Ratios, Number Properties hide tags

Bunuel

06 Feb 2019, 02:27

3

4

5,306

15 Feb 2019, 18:51

ER

A pocket contains pennies and dimes only, in the ratio 4:1, respective

Sub 505 (Easy) | Probability

Sub 505 (Easy) | Probability hide tags

LordStark

13 Feb 2019, 08:21

2

3

2,732

15 Feb 2019, 18:44

ER

If Cindy ran at 7.5 miles per hour for 16 minutes, and then ran at 6 m

505-555 (Easy) | Distance and Speed Problems

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

Bunuel

13 Feb 2019, 00:49

3

2,335

15 Feb 2019, 18:31

ER

If the hypotenuse of the triangle in the figure has a length of 9, wha

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

13 Feb 2019, 01:03

2

5

1,663

15 Feb 2019, 18:26

ER

The number of organisms in a liter of water is approximately 6*10^23.

Sub 505 (Easy) | Arithmetic, Exponents

Sub 505 (Easy) | Arithmetic, Exponents hide tags

Bunuel

11 Feb 2019, 01:13

1

7

2,240

15 Feb 2019, 18:08

ER

Squares I, II and III above are arranged along the x-axis as shown.

505-555 (Easy) | Coordinate Plane, Geometry

505-555 (Easy) | Coordinate Plane, Geometry hide tags

Bunuel

15 Dec 2017, 02:11

10

2

2,684

by: kapstone1996

15 Feb 2019, 13:31

ER

Steven has run a certain number of laps around a track at an average (

505-555 (Easy) | Statistics and Sets Problems

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

Sajjad1994

14 Feb 2019, 02:31

1

3

8,960

14 Feb 2019, 09:39

ER

For all a ≠ 0 and b ≠ 0, (4a^4b^3)^2/(2a^2b^(-2))?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

12 Feb 2019, 01:27

2

3

1,485

13 Feb 2019, 19:52

ER

To boost sales around the holidays, the government of the fictional co

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

12 Feb 2019, 00:42

3

1,402

13 Feb 2019, 19:43

ER

In the figure above, if lines m and n are parallel, what is the value

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

01 Aug 2017, 04:58

1

4

5,355

13 Feb 2019, 11:42

If y = 1, what is the value of the following expression: 4^(y + z)*16*

505-555 (Easy) | Exponents

505-555 (Easy) | Exponents hide tags

Bunuel

13 Feb 2019, 00:14

2

1,622

by: KSBGC

13 Feb 2019, 10:52

A company is selling liquid nitrogen at a price of $2.00 per gallon.

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

13 Feb 2019, 01:08

1

2

1,833

by: KSBGC

13 Feb 2019, 10:41

ER

All but 50 of the 1,000 plants at the annual flower show were sold. Of

555-605 (Medium) | Percent and Interest Problems, Word Problems

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

Bunuel

14 Sep 2017, 04:00

5

4

3,284

13 Feb 2019, 08:34

ER

In the preceding figure, the circle centered at B is internally tangen

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

11 Feb 2019, 04:18

4

1,773

by: Tango3

12 Feb 2019, 23:41

ER

The arithmetic mean and standard deviation for a certain normal distri

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

12 Feb 2019, 00:50

1

5

3,404

12 Feb 2019, 05:27

In the preceding figure, (a + b)/b = 5/2, what does b equal?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

12 Feb 2019, 00:44

2

1,409

by: kumarankit01

12 Feb 2019, 01:00

If (3/y + 2)(y - 5) and y ≠ 5, then y =

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

12 Feb 2019, 00:28

1

2

1,645

12 Feb 2019, 00:39

ER

Gwen invested $10000 at 5% compounded annually

555-605 (Medium) | Percent and Interest Problems

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

saswata4s

20 Nov 2017, 05:30

2

4

3,329

11 Feb 2019, 19:20

A candy machine contains gumballs: three blue, two red, seven yellow,

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

Bunuel

11 Feb 2019, 02:59

3

2,945

by: kumarankit01

11 Feb 2019, 06:43

ER

Joseph's final grade is calculated from the mean of his test scores.

555-605 (Medium) | Arithmetic, Statistics and Sets Problems

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

Bunuel

31 Jan 2019, 01:41

5

2,259

by: gmat1393

11 Feb 2019, 06:30

ER

A survey reveals that the average income of a company’s customers is $

505-555 (Easy) | Statistics and Sets Problems

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

Yalephd

08 May 2011, 12:43

11

15

5,721

11 Feb 2019, 04:26

ER

If x ≠ 0, what is the value for x in the equation 2x/(4 + 2x) = 6x/(8x

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

11 Feb 2019, 04:14

2

1,412

by: KSBGC

11 Feb 2019, 04:25

ER

Which of the following is the length, in inches, of the remaining side

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

11 Feb 2019, 02:09

1

1,098

by: GMATinsight

11 Feb 2019, 04:23

ER

What is the distance in units of a line segment that connects the orig

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

Bunuel

11 Feb 2019, 02:40

1

1,275

by: GMATinsight

11 Feb 2019, 04:20

In the preceding figure, AB is 6 units long, AC is 8 units long, and B

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

11 Feb 2019, 02:14

1

1,242

11 Feb 2019, 02:49

In the preceding figure, square ABCD has sides the length of 4 units,

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

11 Feb 2019, 02:25

2

1,933

by: eswarchethu135

11 Feb 2019, 02:48

What is the equation of a line with a slope -3/4 and a y-intercept of

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

Bunuel

11 Feb 2019, 02:38

1

2,418

by: NandishSS

11 Feb 2019, 02:45

In the preceding figure, A and B lie on the circle with center C. CA

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

11 Feb 2019, 02:28

1

1,219

11 Feb 2019, 02:44

Triangle RTS and triangle ACB in the preceding figure are similar righ

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

11 Feb 2019, 02:22

2

1,799

11 Feb 2019, 02:37

In the preceding figure, line m is parallel to line n and line t is a

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

11 Feb 2019, 02:02

1

1,831

by: NandishSS

11 Feb 2019, 02:08

For all x, 12x - (-10x) - 3x(-x + 10) = ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

11 Feb 2019, 01:26

1

1,425

11 Feb 2019, 01:38

ER

19^2 + 19/20=

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Sajjad1994

25 Apr 2017, 11:51

6

3

4,221

10 Feb 2019, 08:43

ER

If a and b are positive and ab/x = a, then x/b =

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

05 Feb 2019, 03:43

2

3

3,617

10 Feb 2019, 08:37

ER

How many of the positive integers less than 25 are 2 less than an inte

505-555 (Easy) | Multiples and Factors

505-555 (Easy) | Multiples and Factors hide tags

KSBGC

10 Feb 2019, 00:40

2

4,161

by: EgmatQuantExpert

10 Feb 2019, 05:10

ER

It takes 4 cooks 4 hours to bake 4 cakes. Assuming no change of rate,

555-605 (Medium) | Work and Rate Problems

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

vishuboy

11 Sep 2017, 04:53

15

11

11,065

by: gokulvenkatesh

09 Feb 2019, 11:31

ER

If x inches are cut from the length, l, of a rectangle and y inches ar

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

duahsolo

21 Oct 2016, 02:08

2

8

3,805

by: MartyTargetTestPrep

09 Feb 2019, 11:07

If r, s, t, and u are distinct, consecutive prime integers less than 3

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

08 Feb 2019, 04:43

1

3

2,269

by: chandrag

09 Feb 2019, 06:34

ER

Six small eggs weigh the same as five medium eggs. Six medium eggs wei

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Sboyeff

09 Feb 2019, 00:10

6

5

4,689

by: pushpitkc

09 Feb 2019, 01:45

ER

Point B is 18 miles east of point A, and point C is 6 miles west of po

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

08 Feb 2019, 04:24

1

2

3,373

08 Feb 2019, 21:25

ER

If a is 60% of b, b is 40% of c, and c is 20% of d, then 6d is what pe

655-705 (Hard) | Percent and Interest Problems

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

Bunuel

05 Feb 2019, 04:46

3

5

9,519

by: Abhishek009

08 Feb 2019, 08:49

ER

What is the value of x^2 – 1 when 9^(x + 1) = 27^(x – 1) ?

505-555 (Easy) | Exponents

505-555 (Easy) | Exponents hide tags

Bunuel

11 Dec 2018, 00:32

1

6

2,470