GMAT Problem Solving (PS) Forum - Free Practice Questions

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Complete 1000 GMAT Problem Solving Series (PS-1000 Series) Questions

Bunuel

03 Dec 2022, 14:23

354

12

168,835

by: bumpbot

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

321,615

by: Bunuel

15 Jun 2026, 06:41

GMAT PS Question Directory by Topic & Difficulty

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bb

16 Apr 2026, 14:28

3.3k

0

1,409,330

by: bb

16 Apr 2026, 14:28

ER

A bus carrying 50 tourists stopped at a roadside restaurant.

705-805 (Hard) | Algebra +2 tags

705-805 (Hard) | Algebra, Min-Max Problems, Word Problems hide tags

kevincan

06 May 2026, 22:25

17

7

874

by: nequedolore

08 Aug 2026, 07:50

ER

If x and y are positive integers such that y is a multiple of 5 and 3x

555-605 (Medium) | Algebra, Multiples and Factors

555-605 (Medium) | Algebra, Multiples and Factors hide tags

1, 2

AbdurRakib

14 Jun 2016, 15:38

1.3k

30

133,308

by: DanTheGMATMan

08 Aug 2026, 07:11

ER

Pumping alone at their respective constant rates, one inlet pipe fills

Sub 505 (Easy) | Work and Rate Problems

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

1, 2

rite2deepti

30 Nov 2010, 07:03

268

25

61,773

by: bumpbot

08 Aug 2026, 07:11

ER

Machine A working alone can complete a job in 3 1/2 hours. Machine B

Sub 505 (Easy) | Work and Rate Problems

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

Lolaergasheva

08 Mar 2011, 02:23

65

10

25,832

by: bumpbot

08 Aug 2026, 06:50

ER

Dara ran on a treadmill that had a readout indicating the time remaini

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

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

1, 2

CoffeeCreamSugar

14 Apr 2016, 09:03

739

20

75,546

by: Dhanraj$Johari

08 Aug 2026, 06:47

ER

Anna and Mark are included in a group of 8 people. If 4 people are

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

MRLouis

08 Feb 2018, 20:45

30

9

5,488

by: bumpbot

08 Aug 2026, 06:35

ER

From a Group of 8 People, Including George and Nina, 3 people are

555-605 (Medium) | Combinations, Probability

555-605 (Medium) | Combinations, Probability hide tags

mohitmohit11

01 May 2016, 11:24

395

15

59,617

by: Bunuel

08 Aug 2026, 06:25

ER

For a positive integer n, f(n) is defined as 1 + 1/2 + 1/3 + + 1/n.

805+ (Hard) | Arithmetic, Functions and Custom Characters

805+ (Hard) | Arithmetic, Functions and Custom Characters hide tags

Bunuel

11 Apr 2023, 08:45

30

7

4,635

by: abhikc3004

08 Aug 2026, 05:40

ER

When the positive integer x divided by the positive integer

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

Bunuel

17 Jun 2014, 02:58

324

13

29,504

by: Kinshook

08 Aug 2026, 05:11

A certain club reported that the number of female members in 2000 went

605-655 (Medium) | Fractions and Ratios

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

Bunuel

11 Nov 2023, 08:01

9

6

3,120

by: bumpbot

08 Aug 2026, 04:52

ER

If n is an integer and n^4 is divisible by 32, which of the

605-655 (Medium) | Number Properties, Remainders

605-655 (Medium) | Number Properties, Remainders hide tags

mustdoit

21 Jan 2025, 10:18

424

14

44,649

by: BBR27

08 Aug 2026, 04:39

ER

Working alone at its constant rate, Machine A can produce 1,050 electr

555-605 (Medium) | Work and Rate Problems

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

Bunuel

23 Apr 2018, 06:00

8

7

4,025

by: bumpbot

08 Aug 2026, 04:16

ER

Machine A and machine B process the same work at different rates. Mac

655-705 (Hard) | Work and Rate Problems

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

Bunuel

12 Mar 2015, 06:44

96

9

12,051

by: bumpbot

08 Aug 2026, 03:56

Machine A can complete a job in 12 hours and has worked for 4 hours on

Sub 505 (Easy) | Work and Rate Problems

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

Bunuel

01 Feb 2024, 02:30

17

6

4,313

by: bumpbot

08 Aug 2026, 03:41

ER

In a group of 80 students, each person is either a freshman, a basebal

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

BrentGMATPrepNow

13 Oct 2021, 07:50

8

3

2,887

by: bumpbot

08 Aug 2026, 03:31

ER

Athos, Porthos, Aramis and D'Artagnan are dividing n gold coins the

805+ (Hard) | Min-Max Problems, Word Problems

805+ (Hard) | Min-Max Problems, Word Problems hide tags

Bunuel

13 Oct 2022, 01:31

31

4

6,899

by: bumpbot

08 Aug 2026, 02:50

ER

What is the greatest prime factor of 3^6 - 1 ?

555-605 (Medium) | Algebra +2 tags

555-605 (Medium) | Algebra, Multiples and Factors, Number Properties hide tags

rrsnathan

04 Feb 2014, 03:35

190

15

25,989

by: Renchinjav

08 Aug 2026, 00:31

A cylindrical vessel is filled with water up to some height. If a sphe

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

13 Jan 2021, 09:00

1

4

2,962

by: bumpbot

07 Aug 2026, 23:34

What is the co-efficient of a^2b^3c^3 in the expansion of (a+b+c)^8 af

705-805 (Hard) | Algebra, Combinations

705-805 (Hard) | Algebra, Combinations hide tags

RenB

01 May 2023, 18:24

63

2

5,617

by: bumpbot

07 Aug 2026, 23:16

ER

Two chemicals - A and B - are mixed in a ratio of 3:7, and the manufa

705-805 (Hard) | Mixture Problems

705-805 (Hard) | Mixture Problems hide tags

sahilsahh

10 Jul 2024, 22:13

9

2

1,696

by: chetan2u

07 Aug 2026, 23:06

ER

In Pittfield, drivers over the age of 25 drive, on average,

805+ (Hard) | Fractions and Ratios, Word Problems

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

kevincan

22 Jun 2026, 22:36

14

4

594

by: KindFleet

07 Aug 2026, 22:54

ER

A team of copper miners planned to mine 1800 tons of ore during

805+ (Hard) | Work and Rate Problems

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

cptholt

17 Jun 2017, 02:37

50

12

26,959

by: btsaami

07 Aug 2026, 22:39

ER

What is the remainder when K is divided by 23?

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

PKN

01 Jun 2018, 21:28

47

13

4,685

by: bumpbot

07 Aug 2026, 22:37

-1

For a group of people who volunteered for a survey, the table shows

655-705 (Hard) | Min-Max Problems, Overlapping Sets

655-705 (Hard) | Min-Max Problems, Overlapping Sets hide tags

NextstopISB

11 Apr 2025, 09:24

39

3

3,232

by: bumpbot

07 Aug 2026, 22:00

ER

Working at a certain uniform rate, 10 workers take 12 hours to build

805+ (Hard) | Work and Rate Problems

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

Bunuel

08 Aug 2024, 05:30

4

6

2,181

by: bumpbot

07 Aug 2026, 20:22

ER

If 770 is written as the product of three positive integers,

705-805 (Hard) | Combinations, Number Properties

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

kevincan

06 Aug 2026, 00:40

12

8

545

by: chetan2u

07 Aug 2026, 19:17

ER

The addition problem above shows four of the 24 different integers tha

555-605 (Medium) | Arithmetic, Combinations

555-605 (Medium) | Arithmetic, Combinations hide tags

1, 2

student26

21 Sep 2019, 15:00

1.6k

34

78,126

by: MrMaxMan

07 Aug 2026, 16:58

ER

Two dice, each numbered 1 to 6, are tossed. What is the probability th

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

Bunuel

26 Feb 2021, 05:00

7

5

2,109

by: bumpbot

07 Aug 2026, 15:10

How many divisors of 21,600 are perfect squares?

805+ (Hard) | Multiples and Factors, Number Properties

805+ (Hard) | Multiples and Factors, Number Properties hide tags

Bunuel

05 Feb 2021, 15:01

32

6

13,373

by: bumpbot

07 Aug 2026, 14:56

ER

A certain marching band has fewer than 50 members. During performances

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

hugogva

16 Nov 2023, 03:42

77

11

14,267

by: bumpbot

07 Aug 2026, 14:56

ER

A total of 22 men and 26 women were at a party, and the average

605-655 (Medium) | Mixture Problems, Statistics and Sets Problems

605-655 (Medium) | Mixture Problems, Statistics and Sets Problems hide tags

1, 2

Bunuel

20 Oct 2015, 03:06

520

25

71,916

by: bumpbot

07 Aug 2026, 14:43

ER

When 2 fair dice are tossed, what is the probability that the differen

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

MathRevolution

10 Dec 2017, 23:19

10

4

3,077

by: bumpbot

07 Aug 2026, 14:43

ER

A sea food shop sells mackerel. A pack of fifty mackerel, a pack of t

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

MathRevolution

16 Dec 2019, 01:43

15

4

5,153

by: bumpbot

07 Aug 2026, 12:46

a, b and c are positive numbers and a < 5. If a^2 - a - 2b - 2c = 0

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Bunuel

27 Mar 2023, 10:45

17

3

2,591

by: bumpbot

07 Aug 2026, 12:24

ER

In 1985 a company sold a brand of shoes to retailers for a fixed price

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

24 Nov 2015, 11:04

118

18

27,041

by: bumpbot

07 Aug 2026, 11:24

Arithmetic

Theory

Theory hide tags

Usernamevisible

07 Aug 2026, 10:33

1

0

150

by: Usernamevisible

07 Aug 2026, 10:33

ER

The rate of a certain chemical reaction is directly proportional to th

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

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

1, 2

afyl128

27 Nov 2010, 18:06

987

23

168,667

by: MrMaxMan

07 Aug 2026, 10:12

ER

The function g(x) is defined for integers x such that if x

805+ (Hard) | Algebra, Functions and Custom Characters

805+ (Hard) | Algebra, Functions and Custom Characters hide tags

1, 2

bhandariavi

14 Feb 2011, 18:22

304

20

32,639

by: bumpbot

07 Aug 2026, 09:50

ER

12 Days of Christmas GMAT Competition - Day 4: The consumption of oil

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

17 Dec 2021, 07:00

15

4

4,607

by: bumpbot

07 Aug 2026, 09:45

ER

Tanya is the second youngest of Baycrests seven firefighte

705-805 (Hard) | Statistics and Sets Problems

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

kevincan

05 Aug 2026, 23:24

7

2

389

by: kevincan

07 Aug 2026, 09:09

ER

A sequence is defined as an = 5(an - 1) - 3 where a4 = 32. What is the

Sub 505 (Easy) | Sequences

Sub 505 (Easy) | Sequences hide tags

Bunuel

14 Jul 2021, 04:45

2

1,918

by: bumpbot

07 Aug 2026, 08:51

ER

20 tonnes of a 60:40 sand to cement mixture is mixed with 30 tonnes

Sub 505 (Easy) | Mixture Problems

Sub 505 (Easy) | Mixture Problems hide tags

Bunuel

17 Jun 2021, 06:45

5

2

6,364

by: bumpbot

07 Aug 2026, 08:43

ER

If 10^a*10^b*10^c = 1,000,000, and a, b, and c are different positive

Sub 505 (Easy) | Algebra, Exponents

Sub 505 (Easy) | Algebra, Exponents hide tags

Bunuel

17 Oct 2018, 02:43

11

4

8,368

by: bumpbot

07 Aug 2026, 08:40

ER

Last Monday the price per share of Company X stock at the end of the f

Sub 505 (Easy) | Percent and Interest Problems

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

kingbucky

02 Jun 2026, 11:57

4

2

755

by: DanTheGMATMan

07 Aug 2026, 08:12

ER

A researcher plans to identify each participant in a certain medical

605-655 (Medium) | Combinations

605-655 (Medium) | Combinations hide tags

1, 2, 3, 4

sarb

05 Feb 2019, 00:52

1.7k

61

162,817

by: PGTLrowanhand

07 Aug 2026, 05:13

ER

A school wants all of the students to take at least one science lectur

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

11 Nov 2021, 07:45

22

10

5,622

by: bumpbot

07 Aug 2026, 04:40

ER

When positive integer n is divided by 5, the remainder is 1. When n is

505-555 (Easy) | Multiples and Factors, Remainders

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

1, 2

Bunuel

08 Aug 2022, 03:34

891

20

150,211

by: Hoodi_baba

07 Aug 2026, 03:52

ER

For a fundraiser, each of 20 people walked a total of either 2 miles o

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

kingbucky

02 Jun 2026, 11:28

7

3

960

by: AnishPassi

07 Aug 2026, 03:29

ER

A palindrome is a number that reads the same forward and bac

605-655 (Medium) | Combinations

605-655 (Medium) | Combinations hide tags

1, 2

accincognito

31 Oct 2013, 05:47

642

34

121,030

by: Bunuel

07 Aug 2026, 03:23

ER

Consider a class of 40 students whose average weight is 40 kgs. m new

805+ (Hard) | Min-Max Problems, Word Problems

805+ (Hard) | Min-Max Problems, Word Problems hide tags

Bunuel

06 Dec 2021, 05:15

18

3

4,072

by: bumpbot

07 Aug 2026, 03:17