GMAT Club Forum

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

Bunuel

03 Dec 2022, 14:23

213

11

106,523

by: Bunuel

23 Mar 2025, 01:53

ER

100 Hardest and easiest questions for PS as of May 2025

Bunuel

21 Aug 2015, 03:49

1,065

7

290,239

by: Bunuel

03 Dec 2024, 01:03

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GMAT PS Question Directory by Topic & Difficulty

bb

22 Feb 2012, 11:27

3,087

0

1,300,927

by: bb

22 Feb 2012, 11:27

ER

If snow accumulation increased at a constant rate of 30 millimeters pe

505-555 Level | Work and Rate Problems

Nanobotstv

09 May 2018, 03:34

34

9

13,392

by: bumpbot

01 Jun 2025, 22:06

ER

Two water pumps, working simultaneously at their respective constant

555-605 Level | Work and Rate Problems

555-605 Level | Work and Rate Problems hide tags

1, 2

kmasonbx

12 Jul 2013, 07:26

450

30

97,687

by: bumpbot

01 Jun 2025, 12:51

ER

In a certain bathtub, both the cold-water and the hot-water fixtures

705-805 Level | Work and Rate Problems

705-805 Level | Work and Rate Problems hide tags

gmatpunjabi

20 Feb 2012, 15:58

432

19

39,101

by: Bunuel

21 May 2025, 05:00

ER

Three printing presses, R, S, and T, working together at the

Sub 505 Level | Work and Rate Problems

Sub 505 Level | Work and Rate Problems hide tags

vivek123

04 Mar 2006, 12:41

256

15

67,173

by: bumpbot

15 May 2025, 13:13

ER

Six machines, each working at the same constant rate

505-555 Level | Work and Rate Problems

505-555 Level | Work and Rate Problems hide tags

1, 2

zz0vlb

26 Apr 2010, 21:53

869

23

155,187

by: Suhas1101

17 Apr 2025, 02:56

ER

A certain liquid leaks out of a container at the rate of k liters for

Sub 505 Level | Word Problems, Work and Rate Problems

Sub 505 Level | Word Problems, Work and Rate Problems hide tags

zaarathelab

14 Jan 2010, 07:01

184

15

41,352

by: bumpbot

03 Apr 2025, 03:09

ER

Working alone at its constant rate, pump X pumped out of the water

605-655 Level | Work and Rate Problems

605-655 Level | Work and Rate Problems hide tags

SVTTCGMAT

03 Apr 2016, 16:13

358

16

59,244

by: bumpbot

09 Mar 2025, 07:24

ER

Working alone at its own constant rate, a machine seals k cartons in 8

505-555 Level | Work and Rate Problems

505-555 Level | Work and Rate Problems hide tags

1, 2

study

13 Oct 2009, 12:13

168

22

40,272

by: shwetakoshija

28 Feb 2025, 03:01

ER

Two machines, Y and Z, work at constant rates producing identical item

555-605 Level | Work and Rate Problems

555-605 Level | Work and Rate Problems hide tags

umg4147

16 May 2016, 11:46

185

14

36,020

by: Bunuel

27 Feb 2025, 23:37

ER

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

Sub 505 Level | Work and Rate Problems

Sub 505 Level | Work and Rate Problems hide tags

Bunuel

15 Sep 2020, 06:30

15

5

4,922

by: bumpbot

22 Feb 2025, 11:03

ER

Running at their respective constant rates, Machine X takes 2 days

805+ Level | Work and Rate Problems

805+ Level | Work and Rate Problems hide tags

1, 2, 3

Bunuel

05 Aug 2010, 02:01

1,566

50

152,534

by: Ggt1234

16 Feb 2025, 23:39

ER

Machine A, working alone at its constant rate, manufactures 280 bolts

Sub 505 Level | Work and Rate Problems

Sub 505 Level | Work and Rate Problems hide tags

Bunuel

05 Jul 2018, 01:43

10

6

9,547

by: bumpbot

08 Feb 2025, 09:26

ER

Three machines operating independently, simultaneously, and

555-605 Level | Work and Rate Problems

555-605 Level | Work and Rate Problems hide tags

1, 2

kiseki

09 Oct 2013, 19:23

334

25

74,466

by: bumpbot

04 Feb 2025, 03:36

ER

Circular gears P and Q start rotating at the same time at

505-555 Level | Distance and Speed Problems, Work and Rate Problems

505-555 Level | Distance and Speed Problems, Work and Rate Problems hide tags

1, 2

enigma123

20 Mar 2012, 09:04

799

32

132,832

by: ManifestDreamMBA

21 Jan 2025, 14:19

ER

Six machines at a certain factory operate at the same constant rate.

555-605 Level | Work and Rate Problems

555-605 Level | Work and Rate Problems hide tags

tanad

17 Jun 2016, 15:12

131

14

37,088

by: bumpbot

06 Jan 2025, 01:34

ER

A company has two types of machines, type R and type S. Operating at

555-605 Level | Work and Rate Problems

555-605 Level | Work and Rate Problems hide tags

enigma123

02 Apr 2012, 13:55

389

19

85,031

by: Bunuel

08 Dec 2024, 01:22

ER

At a constant Rate of flow, it takes 20 minutes to fill a swimming poo

Sub 505 Level | Word Problems, Work and Rate Problems

Sub 505 Level | Word Problems, Work and Rate Problems hide tags

RSOHAL

23 Dec 2015, 13:12

82

15

38,994

by: ManifestDreamMBA

27 Nov 2024, 08:42

ER

If 12 men and 16 women can do a piece of work in 5 days and 13 men and

655-705 Level | Work and Rate Problems

655-705 Level | Work and Rate Problems hide tags

1, 2

smcgrath12

17 Aug 2004, 15:19

792

22

158,922

by: Bunuel

14 Nov 2024, 07:44

ER

Each of 10 machines works at the same constant rate doing a

Sub 505 Level | Work and Rate Problems

Sub 505 Level | Work and Rate Problems hide tags

1, 2

gsaxena26

12 Jun 2010, 10:50

142

22

50,965

by: bumpbot

06 Nov 2024, 16:04

ER

Company C has a machine that, working alone at its constant rate, proc

Sub 505 Level | Work and Rate Problems

Sub 505 Level | Work and Rate Problems hide tags

adkikani

23 May 2018, 07:33

27

7

16,094

by: bumpbot

24 Oct 2024, 15:41

ER

Printing press X can print an edition of a newspaper in 12 hours, wher

Sub 505 Level | Work and Rate Problems

Sub 505 Level | Work and Rate Problems hide tags

Bunuel

22 May 2020, 10:19

6

9

9,084

by: Bunuel

03 Oct 2024, 02:14

ER

If water is leaking from a certain tank at a constant rate of 1,200 mi

505-555 Level | Work and Rate Problems

505-555 Level | Work and Rate Problems hide tags

Thanos7

21 Jul 2018, 07:50

94

5

32,913

by: bumpbot

03 Sep 2024, 06:13

ER

Pumps A, B, and C operate at their respective constant rates. Pumps A

605-655 Level | Work and Rate Problems

605-655 Level | Work and Rate Problems hide tags

chicagocubsrule

10 Nov 2009, 15:14

1,021

15

137,724

by: kanikaa9

26 Aug 2024, 03:35

ER

A pump started filling an empty pool with water and continue

505-555 Level | Work and Rate Problems

505-555 Level | Work and Rate Problems hide tags

Jcpenny

20 Nov 2008, 11:30

218

17

57,768

by: bumpbot

30 Jul 2024, 10:20

ER

A small water pump would take 2 hours to fill an empty tank. A larger

Sub 505 Level | Work and Rate Problems

Sub 505 Level | Work and Rate Problems hide tags

domu904

07 Feb 2012, 07:00

96

12

61,738

by: bumpbot

28 Jul 2024, 16:08

ER

Machines X and Y produce bottles at their respective constant rates.

Sub 505 Level | Work and Rate Problems

Sub 505 Level | Work and Rate Problems hide tags

Safiya

29 Aug 2010, 20:43

41

15

17,770

by: bumpbot

20 Jul 2024, 14:48

ER

A certain machine produces 1,000 units of product P per hour. Working

Sub 505 Level | Work and Rate Problems

Sub 505 Level | Work and Rate Problems hide tags

RSOHAL

22 Dec 2015, 22:36

13

6

13,832

by: bumpbot

19 Jul 2024, 03:28

ER

Working at constant rate, pump X pumped out half of the water in a flo

505-555 Level | Work and Rate Problems

505-555 Level | Work and Rate Problems hide tags

pravinpillai2015

01 Aug 2016, 21:06

74

9

29,870

by: bumpbot

19 Jul 2024, 03:15

ER

Machine A produces pencils at a constant rate of 9,000 pencils per hou

555-605 Level | Work and Rate Problems

555-605 Level | Work and Rate Problems hide tags

nitinneha

04 Apr 2007, 17:09

101

14

24,662

by: bumpbot

10 Jun 2024, 05:15

ER

Working alone at their respective constant rates, machine A and machin

Sub 505 Level | Work and Rate Problems

Sub 505 Level | Work and Rate Problems hide tags

Aaditya96

21 Jul 2019, 06:35

16

5

12,318

by: bumpbot

31 May 2024, 09:35

ER

A metal company's old machine makes bolts at a constant rate of 100

Sub 505 Level | Work and Rate Problems

Sub 505 Level | Work and Rate Problems hide tags

Bunuel

14 Sep 2017, 04:03

28

11

15,468

by: bumpbot

23 May 2024, 05:11

ER

If it would take one machine 10 minutes to fill a large production ord

Sub 505 Level | Work and Rate Problems

Sub 505 Level | Work and Rate Problems hide tags

Bunuel

24 Nov 2015, 10:49

9

7

10,392

by: DanTheGMATMan

16 May 2024, 20:45

ER

Working at their respective constant rates, machine A makes 100 copies

Sub 505 Level | Work and Rate Problems

Sub 505 Level | Work and Rate Problems hide tags

RSOHAL

23 Dec 2015, 08:52

18

8

9,625

by: bumpbot

27 Apr 2024, 05:21

ER

If a certain wheel turns at a constant rate of x revolutions per minut

Sub 505 Level | Work and Rate Problems

Sub 505 Level | Work and Rate Problems hide tags

RSOHAL

23 Dec 2015, 15:30

20

4

15,177

by: gmatchile1

14 Apr 2024, 09:30

ER

A farm used two harvesting machines, H and K, to harvest 100 acres of

505-555 Level | Word Problems, Work and Rate Problems

505-555 Level | Word Problems, Work and Rate Problems hide tags

RSOHAL

23 Dec 2015, 08:20

45

7

10,453

by: bumpbot

20 Feb 2024, 15:16

ER

While working alone at their constant rates computer X can process 240

Sub 505 Level | Work and Rate Problems

Sub 505 Level | Work and Rate Problems hide tags

MHIKER

29 Mar 2011, 04:36

45

11

22,324

by: bumpbot

19 Feb 2024, 12:31

ER

A stamping machine produces 100 gaskets per hour. When this machine

Sub 505 Level | Work and Rate Problems

Sub 505 Level | Work and Rate Problems hide tags

Bunuel

15 Oct 2019, 06:58

10

4

7,285

by: Confide

18 Feb 2024, 19:14

Problem Solving (PS)