GMAT Club Forum

ER

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

Bunuel

25 Oct 2022, 08:11

126

11

55,818

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

827

23

177,789

by: Bunuel

02 Sep 2024, 23:51

ER

DS Question Directory by Topic and Difficulty

bb

07 Mar 2012, 08:58

1,480

0

471,207

by: bb

07 Mar 2012, 08:58

ER

Is the hundredths digit of the decimal d greater than 5?

505-555 Level | Fractions and Ratios

505-555 Level | Fractions and Ratios hide tags

amitjash

05 Oct 2010, 07:58

115

14

34,711

by: bumpbot

23 Jun 2025, 23:04

ER

Each employee of Company Z is an employee of either division X or divi

805+ Level | Fractions and Ratios, Word Problems

805+ Level | Fractions and Ratios, Word Problems hide tags

GMATBLACKBELT

17 Oct 2007, 19:29

634

18

75,022

by: bumpbot

17 Jun 2025, 12:00

ER

If d and e are positive integers, is d a multiple of 9?

505-555 Level | Fractions and Ratios, Number Properties

505-555 Level | Fractions and Ratios, Number Properties hide tags

cdrectenwald

13 Dec 2018, 13:26

31

7

9,561

by: bumpbot

04 Jun 2025, 08:34

ER

The sum of the lengths of two pieces of rope is 65 feet. How long is

Sub 505 Level | Fractions and Ratios

Sub 505 Level | Fractions and Ratios hide tags

Bunuel

23 May 2020, 04:35

4

3

5,335

by: bumpbot

22 May 2025, 10:38

ER

If k is a positive integer and the tens digit of k+5 is 4

605-655 Level | Fractions and Ratios, Number Properties

605-655 Level | Fractions and Ratios, Number Properties hide tags

bekbek

06 Jan 2010, 22:18

113

4

24,127

by: bumpbot

25 Apr 2025, 11:35

ER

What fraction of this year's graduating students at a certain college

605-655 Level | Fractions and Ratios

605-655 Level | Fractions and Ratios hide tags

sunland

22 Jul 2010, 06:32

187

19

35,890

by: bumpbot

22 Apr 2025, 04:53

ER

If the units digit of the three-digit positive integer k is nonzero

605-655 Level | Arithmetic, Fractions and Ratios

605-655 Level | Arithmetic, Fractions and Ratios hide tags

tarek99

09 Aug 2009, 12:22

190

8

46,115

by: bumpbot

30 Mar 2025, 01:05

ER

What is the value of the tenths digit of number x?

555-605 Level | Fractions and Ratios

555-605 Level | Fractions and Ratios hide tags

1, 2

nikhilbajaj

24 Dec 2009, 10:33

77

20

26,199

by: bumpbot

30 Mar 2025, 00:19

ER

The only types of vehicles sold at a certain dealership last month

555-605 Level | Fractions and Ratios

555-605 Level | Fractions and Ratios hide tags

Sallyzodiac

03 May 2016, 06:26

60

13

21,732

by: bumpbot

29 Mar 2025, 22:36

ER

Each of the dinners served at a banquet was either chicken or beef or

655-705 Level | Fractions and Ratios

655-705 Level | Fractions and Ratios hide tags

Bunuel

14 Oct 2020, 00:15

59

8

15,031

by: bumpbot

19 Mar 2025, 01:30

ER

A certain bag contains only red balls, blue balls, and green

Sub 505 Level | Fractions and Ratios

Sub 505 Level | Fractions and Ratios hide tags

jadon

27 Jul 2014, 16:24

33

7

36,274

by: bumpbot

18 Mar 2025, 21:32

ER

What is the hundreds digit of integer n?

505-555 Level | Fractions and Ratios, Number Properties

505-555 Level | Fractions and Ratios, Number Properties hide tags

amathews

13 Apr 2017, 18:37

17

4

7,427

by: bumpbot

17 Mar 2025, 09:13

ER

If X and Y each represent single digits in the decimal above

555-605 Level | Fractions and Ratios

555-605 Level | Fractions and Ratios hide tags

harshavmrg

25 Jun 2011, 23:28

84

12

29,182

by: siddhantvarma

13 Mar 2025, 08:56

ER

When 200 gallons of oil were removed from a tank, the volume of oil

505-555 Level | Fractions and Ratios, Word Problems

505-555 Level | Fractions and Ratios, Word Problems hide tags

milind1979

25 Mar 2009, 23:05

99

10

29,996

by: bumpbot

10 Mar 2025, 03:38

ER

At a certain pet shop, 1/3 of the pets are dogs and 1/5 of the pets

505-555 Level | Fractions and Ratios, Word Problems

505-555 Level | Fractions and Ratios, Word Problems hide tags

kbulse

06 Jan 2008, 06:58

103

12

51,481

by: bumpbot

08 Mar 2025, 08:25

ER

At a certain high school there 20 more female sophomores

555-605 Level | Fractions and Ratios

555-605 Level | Fractions and Ratios hide tags

NoHalfMeasures

08 Jun 2014, 05:53

87

10

19,398

by: bumpbot

02 Mar 2025, 19:01

ER

What is the hundredths digit of the decimal m ?

555-605 Level | Fractions and Ratios

555-605 Level | Fractions and Ratios hide tags

tatane90

21 Sep 2010, 13:49

81

13

15,225

by: GMATinsight

13 Feb 2025, 08:53

ER

What is the tens digit of the positive integer r?

555-605 Level | Fractions and Ratios

555-605 Level | Fractions and Ratios hide tags

udaymathapati

23 Sep 2010, 12:11

398

19

71,349

by: bumpbot

08 Feb 2025, 13:30

ER

A certain company divides its total advertising budget into

505-555 Level | Fractions and Ratios

505-555 Level | Fractions and Ratios hide tags

combres

17 Sep 2007, 07:26

44

8

27,228

by: bumpbot

04 Feb 2025, 19:32

ER

On a certain sight-seeing tour, the ratio of the number of women to th

555-605 Level | Fractions and Ratios, Word Problems

555-605 Level | Fractions and Ratios, Word Problems hide tags

clubzzang

09 Aug 2008, 01:09

471

16

91,561

by: bumpbot

01 Jan 2025, 02:23

ER

Each piglet in a litter is fed exactly one-half pound of a mixture of

805+ Level | Fractions and Ratios, Word Problems

805+ Level | Fractions and Ratios, Word Problems hide tags

1, 2

tejal777

13 Aug 2009, 03:42

513

33

33,214

by: NPProb

18 Dec 2024, 09:02

ER

The ratio of the number of women to the number of men to the

555-605 Level | Fractions and Ratios

555-605 Level | Fractions and Ratios hide tags

mymba99

28 Apr 2008, 13:24

209

10

126,389

by: bumpbot

06 Dec 2024, 03:38

ER

If m, r, x and y are positive, the ratio of m to r equal to the ratio

555-605 Level | Fractions and Ratios

555-605 Level | Fractions and Ratios hide tags

LM

27 Apr 2010, 09:52

211

18

50,960

by: bumpbot

15 Nov 2024, 10:05

ER

At a certain theater, the cost of each adult's ticket is $5 and cost

555-605 Level | Fractions and Ratios, Word Problems

555-605 Level | Fractions and Ratios, Word Problems hide tags

prashi82

21 Aug 2008, 21:21

54

14

21,835

by: bumpbot

14 Nov 2024, 14:05

ER

In the decimal representation of x, where 0 < x < 1, is the

705-805 Level | Fractions and Ratios, Number Properties

705-805 Level | Fractions and Ratios, Number Properties hide tags

udaymathapati

17 Aug 2010, 06:37

406

15

34,091

by: bumpbot

02 Nov 2024, 00:23

ER

If 500 is the multiple of 100 that is closest to x and 400 is the mult

655-705 Level | Fractions and Ratios, Multiples and Factors

655-705 Level | Fractions and Ratios, Multiples and Factors hide tags

gmatbull

19 Aug 2010, 02:57

198

15

37,256

by: bumpbot

17 Oct 2024, 06:03

ER

Rasheed bought two kinds of candy bars, chocolate and toffee, that cam

555-605 Level | Fractions and Ratios, Word Problems

555-605 Level | Fractions and Ratios, Word Problems hide tags

enigma123

21 Mar 2012, 12:37

274

11

54,522

by: bumpbot

10 Oct 2024, 21:50

ER

Does the decimal equivalent of p/q, where p and q are positive integer

Sub 505 Level | Fractions and Ratios

Sub 505 Level | Fractions and Ratios hide tags

vaivish1723

23 Jan 2010, 00:37

120

18

40,451

by: Bunuel

22 Sep 2024, 01:12

ER

Malik's recipe for 4 servings of a certain dish requires 3/2

555-605 Level | Fractions and Ratios

555-605 Level | Fractions and Ratios hide tags

redbeanaddict

12 Oct 2008, 22:16

355

16

69,048

by: bumpbot

20 Sep 2024, 22:44

ER

What is the hundredths digit of the decimal z?

555-605 Level | Fractions and Ratios

555-605 Level | Fractions and Ratios hide tags

LM

27 Apr 2010, 10:10

447

14

83,146

by: bumpbot

02 Sep 2024, 20:06

ER

If k is a 3 digit positive number, what is the hundred digit

655-705 Level | Fractions and Ratios

655-705 Level | Fractions and Ratios hide tags

anilnandyala

09 Nov 2010, 06:19

150

11

20,168

by: bumpbot

01 Aug 2024, 03:28

ER

What is the result when x is rounded to the nearest hundredt

655-705 Level | Fractions and Ratios, Number Properties

655-705 Level | Fractions and Ratios, Number Properties hide tags

nitindas

03 Aug 2009, 12:58

198

15

38,634

by: bumpbot

06 Jul 2024, 07:28

ER

What is the ratio of the number of cups of flour to the number of cups

555-605 Level | Fractions and Ratios, Word Problems

555-605 Level | Fractions and Ratios, Word Problems hide tags

tharunv

26 Oct 2008, 15:34

63

13

32,755

by: bumpbot

02 Jul 2024, 02:57

ER

If (x + y)/z = -2, is x positive? (1) z is negative. (2) y is positive

555-605 Level | Fractions and Ratios

555-605 Level | Fractions and Ratios hide tags

NoHalfMeasures

14 Jan 2016, 11:48

19

7

9,295

by: bumpbot

26 Jun 2024, 09:52

ER

If a certain mixture consists of sugar and cinnamon, how many ounces o

Sub 505 Level | Fractions and Ratios

Sub 505 Level | Fractions and Ratios hide tags

mfl6189

16 Nov 2018, 17:41

20

7

14,851

by: bumpbot

31 May 2024, 09:18

ER

All of the members of club Y are either Democrats or Republi

555-605 Level | Fractions and Ratios

555-605 Level | Fractions and Ratios hide tags

sonibubu

28 Jan 2008, 13:41

57

6

14,840

by: bumpbot

15 Jan 2024, 19:55

ER

What is the hundreds digit if the integer s?

Sub 505 Level | Fractions and Ratios

Sub 505 Level | Fractions and Ratios hide tags

felippemed

06 Jan 2017, 20:44

26

6

16,899

by: bumpbot

31 Dec 2023, 20:53

ER

Each of the 105 students in a certain club is either a freshman, sopho

Sub 505 Level | Fractions and Ratios

Sub 505 Level | Fractions and Ratios hide tags

blog

04 Feb 2008, 14:58

13

5

10,052

by: bumpbot

26 Dec 2023, 01:10

ER

A certain bag contains red, blue, and green marbles. What is the ratio

Sub 505 Level | Fractions and Ratios

Sub 505 Level | Fractions and Ratios hide tags

tudelue

03 Mar 2016, 09:35

13

4

19,781

by: bumpbot

15 Oct 2023, 23:59

ER

One member of a committee of 5 men and 8 women resigned and was not re

Sub 505 Level | Fractions and Ratios

Sub 505 Level | Fractions and Ratios hide tags

Bunuel

16 Oct 2019, 05:31

4

3

4,850

by: bumpbot

29 Jun 2023, 15:04

ER

Ann bought five different kinds of fruit: apples, oranges, pears

505-555 Level | Fractions and Ratios, Word Problems

505-555 Level | Fractions and Ratios, Word Problems hide tags

ajaym28

25 Oct 2014, 10:01

22

4

16,053

by: ArnauG

18 May 2023, 06:02

ER

A certain wooded lot contains 56 oak trees. How many pine trees does

Sub 505 Level | Fractions and Ratios, Word Problems

Sub 505 Level | Fractions and Ratios, Word Problems hide tags

Bunuel

12 Oct 2015, 22:06

8

6

7,417

by: bumpbot

02 Feb 2023, 03:40

ER

What is the ratio of p to r ? (1) The ratio of p to 3r is 5 to 9

Sub 505 Level | Fractions and Ratios

Sub 505 Level | Fractions and Ratios hide tags

Bunuel

18 Oct 2019, 05:18

1

4

4,858

by: bumpbot

02 Feb 2023, 03:36

ER

If h is the hundredths digit in the decimal number d = 1.3h4, what is

Sub 505 Level | Fractions and Ratios

Sub 505 Level | Fractions and Ratios hide tags

Bunuel

26 Feb 2020, 23:56

13

12

4,882

by: bumpbot

02 Feb 2023, 03:24

ER

At a two-candidate election for mayor, 3/4 of the registered voters ca

Sub 505 Level | Fractions and Ratios, Word Problems

Sub 505 Level | Fractions and Ratios, Word Problems hide tags

DeeptiM

04 Sep 2011, 04:15

9

4

9,741

by: bumpbot

25 Jan 2023, 02:40

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

12,256

by: bumpbot

11 Jan 2023, 06:22

ER

Is z > 0.5 ?

Sub 505 Level | Fractions and Ratios, Inequalities

Sub 505 Level | Fractions and Ratios, Inequalities hide tags

zatspeed

11 Mar 2015, 21:17

7

3

5,897

by: bumpbot

09 Jan 2023, 14:44

ER

How many people received a certain survey?

Sub 505 Level | Fractions and Ratios, Word Problems

Sub 505 Level | Fractions and Ratios, Word Problems hide tags

Bunuel

16 Oct 2019, 08:13

2

3

5,299

by: bumpbot

27 Jul 2022, 13:22

ER

If n is a three-digit positive integer, what is the sum of the digits

505-555 Level | Arithmetic, Fractions and Ratios

505-555 Level | Arithmetic, Fractions and Ratios hide tags

Bunuel

15 Jul 2018, 21:19

12

3

8,073

by: bumpbot

21 Feb 2022, 04:38

Data Sufficiency (DS)