GMAT Club Forum

ER

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

Bunuel

25 Oct 2022, 08:11

124

11

55,451

by: Bunuel

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

826

23

177,568

by: Bunuel

02 Sep 2024, 23:51

ER

DS Question Directory by Topic and Difficulty

bb

07 Mar 2012, 08:58

1,479

0

470,895

by: bb

07 Mar 2012, 08:58

In 1997 there were 300 female employees at Company C. If the

505-555 Level | Percent and Interest Problems

505-555 Level | Percent and Interest Problems hide tags

Jcpenny

17 Oct 2008, 08:39

46

10

22,168

by: bumpbot

17 Jun 2025, 23:42

ER

At a certain company, 30 percent of the employees live in City R. If 2

555-605 Level | Percent and Interest Problems, Word Problems

555-605 Level | Percent and Interest Problems, Word Problems hide tags

Bunuel

23 May 2020, 06:33

21

5

10,694

by: bumpbot

16 Jun 2025, 14:31

ER

The total profit of corporation K was $3,400,000 in year X. What was

555-605 Level | Percent and Interest Problems

555-605 Level | Percent and Interest Problems hide tags

Bunuel

23 May 2020, 07:17

27

6

9,454

by: bumpbot

14 Jun 2025, 08:21

ER

Warehouse W's revenue from the sale of sofas was what percen

555-605 Level | Percent and Interest Problems

555-605 Level | Percent and Interest Problems hide tags

1, 2

young_gun

08 Oct 2007, 17:51

425

20

92,956

by: bumpbot

30 May 2025, 03:12

ER

Linda put an amount of money into each of two new investments, A and B

655-705 Level | Percent and Interest Problems

655-705 Level | Percent and Interest Problems hide tags

Hermione

02 Dec 2006, 04:38

169

13

48,074

by: bumpbot

22 Apr 2025, 03:08

ER

Jack and Mark both received hourly wage increases of 6 perce

605-655 Level | Percent and Interest Problems

605-655 Level | Percent and Interest Problems hide tags

docabuzar

27 Jan 2012, 05:10

179

10

43,714

by: bumpbot

03 Apr 2025, 00:17

ER

A manufacturer produced x percent more video cameras in 1994 than in

605-655 Level | Percent and Interest Problems, Word Problems

605-655 Level | Percent and Interest Problems, Word Problems hide tags

mrmikec

16 Jun 2006, 22:35

137

19

33,201

by: bumpbot

03 Apr 2025, 00:01

ER

An initial investment of $10,000 was deposited in a bank account one

555-605 Level | Percent and Interest Problems

555-605 Level | Percent and Interest Problems hide tags

Bunuel

23 May 2020, 04:45

31

4

9,353

by: bumpbot

02 Apr 2025, 11:01

ER

If $1,000 is deposited in a certain bank account and remains in the

705-805 Level | Exponents, Percent and Interest Problems

705-805 Level | Exponents, Percent and Interest Problems hide tags

1, 2

butterfly

01 Nov 2010, 17:32

486

20

60,877

by: ManifestDreamMBA

01 Mar 2025, 09:51

In 1999, Company X's gross profit was what percent of its

555-605 Level | Percent and Interest Problems

555-605 Level | Percent and Interest Problems hide tags

sm176811

14 Apr 2006, 13:49

65

6

26,174

by: bumpbot

23 Feb 2025, 08:23

ER

Henry purchased three items during a sale. He received a 20% discount

555-605 Level | Percent and Interest Problems

555-605 Level | Percent and Interest Problems hide tags

annaleroy

08 Mar 2015, 13:21

118

16

34,322

by: bumpbot

12 Feb 2025, 10:48

ER

Each of the students in a certain class received a single grade of P

505-555 Level | Percent and Interest Problems

505-555 Level | Percent and Interest Problems hide tags

LM

03 Jun 2007, 03:08

206

18

64,270

by: bumpbot

07 Feb 2025, 07:44

ER

What was the percentage change in the simple average profit per car

555-605 Level | Percent and Interest Problems

555-605 Level | Percent and Interest Problems hide tags

amathews

14 Apr 2017, 17:52

50

6

8,534

by: Bunuel

26 Jan 2025, 02:43

ER

In year X were there more female salespersons in the securities sector

605-655 Level | Percent and Interest Problems

605-655 Level | Percent and Interest Problems hide tags

Bunuel

23 May 2020, 08:16

42

4

11,407

by: bumpbot

22 Jan 2025, 09:44

ER

What was the percent increase in the population of City K from 1980 to

505-555 Level | Percent and Interest Problems, Word Problems

505-555 Level | Percent and Interest Problems, Word Problems hide tags

jimmyjamesdonkey

24 Mar 2008, 13:41

175

9

74,824

by: bumpbot

19 Dec 2024, 22:35

ER

Grace makes an initial deposit of x dollars into a savings a

705-805 Level | Percent and Interest Problems

705-805 Level | Percent and Interest Problems hide tags

enigma123

15 Nov 2011, 15:42

165

10

21,606

by: bumpbot

11 Nov 2024, 04:25

ER

If 60 percent of the employees at company X are female, does

555-605 Level | Overlapping Sets +2 tags

555-605 Level | Overlapping Sets, Percent and Interest Problems, Word Problems hide tags

TheRob

20 Oct 2009, 13:02

74

13

31,057

by: bumpbot

30 Sep 2024, 07:38

ER

Janson's salary and Karen's salary were each p percent

555-605 Level | Percent and Interest Problems

555-605 Level | Percent and Interest Problems hide tags

tarek99

11 Dec 2007, 15:22

195

16

41,395

by: bumpbot

11 Sep 2024, 05:16

ER

Ann deposited money into two new accounts, A and B. Account A earns 5

555-605 Level | Percent and Interest Problems

555-605 Level | Percent and Interest Problems hide tags

geometric

15 Jan 2012, 23:49

75

8

29,722

by: bumpbot

04 Sep 2024, 11:12

ER

Martha bought an armchair and a coffee table at an action and sold bot

605-655 Level | Percent and Interest Problems, Word Problems

605-655 Level | Percent and Interest Problems, Word Problems hide tags

nonameee

10 Jan 2012, 04:05

262

13

48,623

by: bumpbot

02 Sep 2024, 07:22

ER

According to the graph above, the sale of fruits and vegetables in Sto

555-605 Level | Percent and Interest Problems

555-605 Level | Percent and Interest Problems hide tags

Bunuel

17 Dec 2014, 08:02

26

3

9,923

by: bumpbot

07 Aug 2024, 07:04

ER

Henry purchased 3 items during a sale. He received a 20 percent discou

605-655 Level | Percent and Interest Problems, Word Problems

605-655 Level | Percent and Interest Problems, Word Problems hide tags

1, 2

docabuzar

27 Jan 2012, 06:24

317

29

58,546

by: sakshijjw

02 Jul 2024, 22:06

ER

A customer purchased 6 shirts priced at $10.99 each, excluding sales

Sub 505 Level | Percent and Interest Problems

Sub 505 Level | Percent and Interest Problems hide tags

Bunuel

23 May 2020, 04:18

5

3

5,426

by: KarishmaB

27 Jun 2024, 02:25

ER

A certain store sells chairs individually or in sets of 6. The store

505-555 Level | Percent and Interest Problems

505-555 Level | Percent and Interest Problems hide tags

TomB

18 Apr 2012, 20:52

51

4

15,022

by: sayan640

21 Jun 2024, 02:37

ER

If p and q are positive numbers, what percent of p is q?

Sub 505 Level | Percent and Interest Problems

Sub 505 Level | Percent and Interest Problems hide tags

HarveyKlaus

22 Jan 2016, 12:45

49

4

30,170

by: bumpbot

31 May 2024, 09:20

ER

If a loan of P dollars, at an interest rate of r percent...

555-605 Level | Percent and Interest Problems, Word Problems

555-605 Level | Percent and Interest Problems, Word Problems hide tags

NeverSurrender

11 Oct 2013, 03:27

289

19

61,032

by: bumpbot

22 May 2024, 19:18

ER

What was a certain company's revenue last year?

505-555 Level | Percent and Interest Problems, Word Problems

505-555 Level | Percent and Interest Problems, Word Problems hide tags

Bunuel

03 Mar 2020, 03:46

5

3

6,039

by: bumpbot

18 May 2024, 04:27

ER

Ellen can purchase a certain computer at a local store at th

655-705 Level | Percent and Interest Problems, Word Problems

655-705 Level | Percent and Interest Problems, Word Problems hide tags

SUNGMAT710

11 Sep 2013, 03:16

133

19

29,579

by: bumpbot

10 May 2024, 21:47

ER

In a certain year the United Nations' total expenditures were $1.6 bil

605-655 Level | Percent and Interest Problems

605-655 Level | Percent and Interest Problems hide tags

GHIBI

30 Jan 2008, 04:04

62

7

22,356

by: bumpbot

04 May 2024, 02:36

ER

The sale price of a certain jacket was 15 percent less than its origin

505-555 Level | Percent and Interest Problems, Word Problems

505-555 Level | Percent and Interest Problems, Word Problems hide tags

bbhawini

20 Sep 2017, 23:54

17

3

9,394

by: bumpbot

27 Aug 2023, 04:26

ER

Robin split a total of $24,000 between two investments, X and Y. If in

505-555 Level | Percent and Interest Problems

505-555 Level | Percent and Interest Problems hide tags

RyanDe680

09 May 2008, 18:14

37

9

14,827

by: bumpbot

17 Aug 2023, 13:52

ER

An attorney charged a fee for estate planning services for a certain

Sub 505 Level | Percent and Interest Problems

Sub 505 Level | Percent and Interest Problems hide tags

Kritesh

14 May 2017, 01:01

4

2

8,241

by: bumpbot

19 Jun 2023, 08:33

ER

In 1993 Mr. Jacobs paid 4.8 percent of his taxable income in state tax

555-605 Level | Percent and Interest Problems

555-605 Level | Percent and Interest Problems hide tags

Bunuel

06 Feb 2020, 02:32

10

3

6,334

by: bumpbot

06 Jun 2023, 01:00

ER

The selling price of an article is equal to the cost of the article

505-555 Level | Percent and Interest Problems

505-555 Level | Percent and Interest Problems hide tags

Bunuel

11 Sep 2012, 04:53

58

11

31,932

by: bumpbot

09 May 2023, 07:04

ER

This morning, a certain sugar container was full. Since then some of

Sub 505 Level | Percent and Interest Problems

Sub 505 Level | Percent and Interest Problems hide tags

kanusha

24 Aug 2014, 22:36

32

13

16,801

by: bumpbot

19 Jan 2023, 08:03

ER

Is x > 0.05? (1) x > 3/40 (2) x is greater than 3 percent of 50

Sub 505 Level | Fractions and Ratios +2 tags

Sub 505 Level | Fractions and Ratios, Inequalities, Percent and Interest Problems hide tags

Bunuel

10 Jun 2018, 04:46

12

8

12,227

by: bumpbot

11 Jan 2023, 06:22

ER

A computer store sold a total of 60 computers and printers yesterday

Sub 505 Level | Percent and Interest Problems, Word Problems

Sub 505 Level | Percent and Interest Problems, Word Problems hide tags

TravisScott

08 Apr 2021, 08:47

10

8

4,593

by: bumpbot

28 Dec 2022, 12:56

ER

A certain bank charges a maintenance fee on a standard checking accoun

505-555 Level | Percent and Interest Problems

505-555 Level | Percent and Interest Problems hide tags

naveenhv

06 May 2011, 10:17

8

4

10,187

by: bumpbot

19 Jul 2022, 03:00

Data Sufficiency (DS)