GMAT Problem Solving (PS) Forum - Free Practice Questions

ER

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

Bunuel

03 Dec 2022, 14:23

329

12

153,451

by: ekfdskfe

13 Jul 2025, 19:03

ER

100 Hardest and easiest questions for PS as of April 2026

Bunuel

01 Jan 2026, 05:45

1.2k

8

313,235

by: Shashankksharma

17 Apr 2026, 02:55

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GMAT PS Question Directory by Topic & Difficulty

bb

16 Apr 2026, 14:28

3.3k

0

1,386,961

by: bb

16 Apr 2026, 14:28

ER

Four hours from now, the population of a colony of bacteria will reach

605-655 (Medium) | Exponents, Word Problems

605-655 (Medium) | Exponents, Word Problems hide tags

Carcass

02 Jul 2017, 12:00

187

14

32,840

by: bumpbot

29 Mar 2026, 06:23

ER

If a positive integer n is divisible by both 5 and 7, the n must also

505-555 (Easy) | Multiples and Factors

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

Carcass

02 Jul 2017, 11:17

79

9

28,336

by: bumpbot

21 Jun 2025, 16:23

ER

The compound interest on a certain sum of money invested at a certain

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

02 Jul 2017, 02:42

39

10

8,977

by: bumpbot

22 Sep 2025, 13:14

ER

At the start of an experiment, a certain population consisted of x org

705-805 (Hard) | Exponents

705-805 (Hard) | Exponents hide tags

Bunuel

02 Jul 2017, 02:37

18

10

6,764

by: bumpbot

28 Nov 2025, 11:00

ER

A man invested two equal sums of money in two banks at simple interest

655-705 (Hard) | Percent and Interest Problems

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

Bunuel

02 Jul 2017, 02:34

52

11

12,367

by: bumpbot

24 Nov 2025, 23:13

ER

A sum of money is invested at simple interest, partly at 4% and remain

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

02 Jul 2017, 02:31

13

4

4,560

by: bumpbot

04 Nov 2024, 22:01

ER

Andrew borrows equal sums of money under simple interest at 5% and 4%

805+ (Hard) | Percent and Interest Problems

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

Bunuel

02 Jul 2017, 02:26

40

9

12,016

by: bumpbot

24 Apr 2025, 21:50

ER

The difference, after two years, between compound interest and simple

655-705 (Hard) | Percent and Interest Problems

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

Bunuel

02 Jul 2017, 02:24

35

14

9,094

by: bumpbot

28 Dec 2024, 04:03

ER

A sum of money invested under simple interest, amounts to $1200 in

655-705 (Hard) | Percent and Interest Problems

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

Bunuel

02 Jul 2017, 02:23

26

8

6,702

by: bumpbot

07 May 2025, 06:30

ER

At a garage sale, the prices of all the items sold were different. The

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

02 Jul 2017, 02:09

28

6

6,523

by: bumpbot

20 Oct 2025, 19:48

ER

The population of a certain country increases at the rate of 30,000

505-555 (Easy) | Exponents, Word Problems

505-555 (Easy) | Exponents, Word Problems hide tags

Bunuel

02 Jul 2017, 01:50

13

8

7,092

by: bumpbot

01 Apr 2024, 11:44

ER

If w, x, y and z are integers such that 1 < w ≤ x ≤ y ≤ z and wxyz = 9

805+ (Hard) | Algebra, Combinations

805+ (Hard) | Algebra, Combinations hide tags

chetan2u

02 Jul 2017, 01:32

27

8

5,502

by: Surbhi23

09 Nov 2024, 00:07

ER

In dividing a number by 585, a student employed the method of short di

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

Chemerical71

01 Jul 2017, 08:08

144

11

29,660

by: bumpbot

27 Apr 2026, 00:23

ER

On dividing a number by 56, we get 29 as remainder.

Sub 505 (Easy) | Remainders

Sub 505 (Easy) | Remainders hide tags

Chemerical71

01 Jul 2017, 06:20

6

4

30,678

by: bumpbot

02 Jul 2024, 11:27

ER

Mark and Kate individually take 12 hours more and 27 hours more, respe

555-605 (Medium) | Work and Rate Problems

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

Bunuel

01 Jul 2017, 03:50

15

6

4,166

by: bumpbot

05 Apr 2021, 21:42

ER

Machine A, operating alone at its constant rate, produces 500 feet of

Sub 505 (Easy) | Work and Rate Problems

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

Bunuel

01 Jul 2017, 03:42

8

7

8,800

by: sompant_98

28 Sep 2024, 00:10

ER

Machine A produces parts twice as fast as machine B does. Machine B pr

605-655 (Medium) | Work and Rate Problems

605-655 (Medium) | Work and Rate Problems hide tags

Bunuel

01 Jul 2017, 03:38

21

10

6,178

by: luisdicampo

18 Feb 2026, 10:45

ER

Two taps can fill a cistern in 20 minutes and 30 minutes. The first

605-655 (Medium) | Work and Rate Problems

605-655 (Medium) | Work and Rate Problems hide tags

Bunuel

01 Jul 2017, 03:36

69

9

12,734

by: bumpbot

11 Jun 2025, 03:17

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

96

13

32,970

by: bumpbot

02 May 2025, 07:47

ER

If n is an integer greater than 10, then the expression (n^2 - 2n)(n +

655-705 (Hard) | Multiples and Factors +2 tags

655-705 (Hard) | Multiples and Factors, Must or Could be True, Number Properties hide tags

Mkrishnabdrr

01 Jul 2017, 01:49

48

6

8,123

by: steffe440

17 May 2026, 00:10

ER

A certain pilot flew 400 miles to City K at an average speed of 350

655-705 (Hard) | Distance and Speed Problems

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

Bunuel

01 Jul 2017, 00:40

11

7

8,063

by: bumpbot

19 May 2025, 02:55

ER

If a>0 and b>0, and if m is a% of n and n is b% of p, then in terms of

655-705 (Hard) | Percent and Interest Problems

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

Bunuel

01 Jul 2017, 00:26

24

6

5,715

by: bumpbot

19 Dec 2025, 01:50

ER

Standard Baking Company produced 13,680 donuts in 1996. In 1997, that

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

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

Bunuel

01 Jul 2017, 00:18

56

11

6,401

by: NuttyIan

28 May 2025, 19:50

ER

How many distinct factors do 165 and 300 have in common?

655-705 (Hard) | Multiples and Factors

655-705 (Hard) | Multiples and Factors hide tags

Bunuel

01 Jul 2017, 00:15

27

8

6,393

by: bumpbot

06 Jan 2026, 13:44

ER

If perfect numbers are defined as numbers whose all the factors sum up

605-655 (Medium) | Multiples and Factors, Number Properties

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

GMATinsight

30 Jun 2017, 20:36

11

5

4,160

by: bumpbot

13 Dec 2024, 13:19

ER

The cost of shipping a purchase is s dollars up to a purchase value of

505-555 (Easy) | Word Problems, Work and Rate Problems

505-555 (Easy) | Word Problems, Work and Rate Problems hide tags

va95

30 Jun 2017, 13:41

13

4

5,199

by: bumpbot

03 Sep 2021, 08:03

ER

Each runner during a race is labeled with a unique one-letter code or

605-655 (Medium) | Combinations

605-655 (Medium) | Combinations hide tags

Bunuel

30 Jun 2017, 11:22

22

8

8,335

by: achloes

16 May 2023, 08:16

ER

In the department of Mathematics at Green University, more than half o

555-605 (Medium) | Statistics and Sets Problems

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

duahsolo

30 Jun 2017, 07:10

17

5

2,312

by: bumpbot

16 Nov 2024, 06:50

ER

If P is an odd integer and (P^2 + Q * R) is an even intege

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Mkrishnabdrr

30 Jun 2017, 07:06

38

7

6,202

by: Aabhash777

04 May 2025, 00:19

ER

Suppose P, Q, R, and S are integers. If P is even and (P*Q + R*S) is

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Mkrishnabdrr

30 Jun 2017, 06:57

3

3,633

by: generis

30 Jun 2017, 22:43

ER

The probability that a train arrives late at a particular station is 2

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

danlew

30 Jun 2017, 06:19

16

4

5,956

by: bumpbot

02 Feb 2026, 16:42

ER

How many liters of pure alcohol must be added to a 90-liter solution

505-555 (Easy) | Mixture Problems

505-555 (Easy) | Mixture Problems hide tags

Bunuel

30 Jun 2017, 03:34

29

7

10,037

by: bumpbot

03 Feb 2025, 14:15

ER

A sum of money was divided between John and Bob so that the ratio of

605-655 (Medium) | Fractions and Ratios

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

Bunuel

30 Jun 2017, 03:30

16

8

10,622

by: bumpbot

13 May 2024, 18:55

ER

A wire that weighs 20 pounds is cut into two pieces so that one of the

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

30 Jun 2017, 03:28

5

6

4,266

by: bumpbot

11 Aug 2020, 09:55

ER

Ann, Carol, and Judy paid a total of $45 for their dinner at a restaur

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

30 Jun 2017, 03:26

7

6

7,256

by: bumpbot

30 Apr 2024, 16:19

ER

The ratio of the ages of A and B is 7 : 11. Which of the following can

555-605 (Medium) | Fractions and Ratios

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

Bunuel

30 Jun 2017, 03:21

37

7

10,400

by: bumpbot

05 Feb 2026, 05:43

ER

In Dianas stamp collection, (4/5)th of the stamps are Canadian, and

555-605 (Medium) | Fractions and Ratios

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

Bunuel

30 Jun 2017, 03:20

40

8

14,743

by: bumpbot

25 Feb 2026, 05:27

ER

A glass was filled with 10 ounces of water and spirit mixture with the

655-705 (Hard) | Fractions and Ratios

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

Bunuel

30 Jun 2017, 03:09

21

14

6,254

by: bumpbot

25 Jan 2026, 13:32

ER

The total expenses of organizing a party has a fixed expense of $250

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

30 Jun 2017, 03:06

1

6

3,496

by: EgmatQuantExpert

28 Oct 2018, 14:55

ER

A total of 22 men and 26 women were at a party. The average (arithmeti

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

30 Jun 2017, 02:44

8

7

4,237

by: Lord_Biplab

20 Jun 2024, 06:58

ER

At a certain company, the average (arithmetic mean) salary of 10 of

Sub 505 (Easy) | Statistics and Sets Problems

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

Bunuel

30 Jun 2017, 02:34

4

6

10,029

by: bumpbot

24 Apr 2022, 04:01

ER

George takes 8 hours to copy a 50 page manuscript while Sonya can copy

Sub 505 (Easy) | Work and Rate Problems

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

Bunuel

29 Jun 2017, 11:56

15

8

11,333

by: bumpbot

21 Sep 2025, 23:16

ER

A set S consists of the integers {1, 2, 3, 4 . . . (2n + 1)}, where n

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

29 Jun 2017, 04:27

8

3

3,199

by: bumpbot

20 Jan 2026, 04:54

ER

A class has 4 sections P, Q, R and S and the average weights of the st

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

29 Jun 2017, 04:25

66

7

9,975

by: bumpbot

08 May 2026, 20:50

ER

A college chemistry course is divided into two sections. In section A,

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

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

Bunuel

29 Jun 2017, 04:23

7

4

3,342

by: bumpbot

09 Nov 2021, 22:07

ER

A club sold an average (arithmetic mean) of 92 raffle tickets per memb

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

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

Bunuel

29 Jun 2017, 04:21

174

10

29,699

by: egmat

22 Jan 2026, 04:11

ER

A certain company sold 800 units of its product for $8 each and 1,000

Sub 505 (Easy) | Percent and Interest Problems

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

Bunuel

29 Jun 2017, 04:17

10

4

7,615

by: ManifestDreamMBA

08 Jan 2025, 10:31

ER

There are x teams and each team plays each other once. If there was on

555-605 (Medium) | Combinations

555-605 (Medium) | Combinations hide tags

ManSab

28 Jun 2017, 09:02

24

16

8,090

by: bumpbot

26 Dec 2023, 03:06

ER

A magician marks off on a stick of length 1 yard in thirds and fifths

655-705 (Hard) | Fractions and Ratios

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

OprBarbosa2017

28 Jun 2017, 09:21

67

7

20,918

by: bumpbot

07 Aug 2025, 21:31

ER

GMAT Formula Cheat Sheet

this_guy

28 Jun 2017, 07:31

23

8

82,088

by: APram

29 Jun 2025, 10:35