GMAT Data Sufficiency (DS) Forum - Free Practice Questions

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ER

Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

126

11

55,689

12 May 2025, 05:54

ER

100 Hardest and easiest questions for DS as of May 2025

1, 2

Bunuel

21 Aug 2015, 03:42

827

23

177,716

02 Sep 2024, 23:51

ER

DS Question Directory by Topic and Difficulty

bb

07 Mar 2012, 08:58

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Topics

ER

An actor read aloud and recorded a certain 420-page book on several

555-605 Level | Work and Rate Problems

555-605 Level | Work and Rate Problems hide tags

fozzzy

16 Jan 2013, 09:33

76

10

18,378

17 Apr 2025, 01:45

ER

Robots X, Y, and Z each assemble components at their

555-605 Level | Work and Rate Problems

555-605 Level | Work and Rate Problems hide tags

ajit257

03 Jan 2011, 18:30

99

16

30,364

24 Mar 2025, 15:54

ER

Machines X and Y work at their respective constant rates. How many mor

655-705 Level | Work and Rate Problems

655-705 Level | Work and Rate Problems hide tags

1, 2

ravitejapandiri

18 Sep 2010, 21:13

395

28

96,690

06 Feb 2025, 20:22

ER

If water is leaking from a certain tank at a constant rate, is it leak

555-605 Level | Work and Rate Problems

555-605 Level | Work and Rate Problems hide tags

Jaikuz

14 May 2016, 13:14

88

10

28,888

25 Dec 2024, 01:16

ER

Working independently at their respective constant rates, pumps X and

505-555 Level | Work and Rate Problems

505-555 Level | Work and Rate Problems hide tags

luminousmocha

21 Jan 2010, 17:24

37

5

11,489

26 Nov 2024, 23:00

ER

In a particular machine, there are 2 gears that interlock; One gear is

605-655 Level | Work and Rate Problems

605-655 Level | Work and Rate Problems hide tags

1, 2

imhimanshu

16 Aug 2012, 08:32

150

25

29,189

26 Nov 2024, 16:57

ER

Machine M and Machine N working alone at their constant rate

705-805 Level | Work and Rate Problems

705-805 Level | Work and Rate Problems hide tags

Reni

26 Jul 2014, 10:07

159

13

17,704

23 Oct 2024, 21:56

ER

Machine M, working alone at its constant rate, produces x widgets ever

655-705 Level | Work and Rate Problems

655-705 Level | Work and Rate Problems hide tags

violetsplash

24 Sep 2013, 08:29

409

19

70,952

11 Oct 2024, 23:25

ER

Last Thursday, John assembled chairs at a rate of 3 chairs

555-605 Level | Work and Rate Problems

555-605 Level | Work and Rate Problems hide tags

marcodonzelli

11 Mar 2008, 10:14

85

5

21,594

26 Aug 2024, 03:57

ER

To fill an order, a manufacturer had to produce 1000 tools per day for

555-605 Level | Work and Rate Problems

555-605 Level | Work and Rate Problems hide tags

sandranjeim

17 Apr 2010, 07:59

116

13

24,670

26 Aug 2024, 03:51

ER

Yves can paint a certain fence in 1/2 the time it takes Marcel to pain

605-655 Level | Work and Rate Problems

605-655 Level | Work and Rate Problems hide tags

NoHalfMeasures

19 Dec 2015, 02:47

75

14

16,187

21 Aug 2024, 07:49

ER

A can manufacturing company has 5 identical machines, each of which pr

505-555 Level | Work and Rate Problems

505-555 Level | Work and Rate Problems hide tags

LipiSinha

15 Sep 2020, 05:25

11

4

7,310

21 Nov 2023, 03:10

ER

If printing press A, running alone at its constant rate, produces 27,0

Sub 505 Level | Work and Rate Problems

Sub 505 Level | Work and Rate Problems hide tags

Bunuel

17 Sep 2020, 01:40

16

9

8,944

23 Jan 2023, 03:19

ER

If machine J, working alone at its constant rate, takes 2 minutes to

505-555 Level | Work and Rate Problems

505-555 Level | Work and Rate Problems hide tags

Bunuel

08 Jul 2018, 23:20

7

4

8,816

13 Nov 2022, 06:52

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