GMAT Data Sufficiency (DS) Forum - Free Practice Questions

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

Bunuel

25 Oct 2022, 08:11

179

15

79,688

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

858

24

188,969

by: bumpbot

16 Sep 2025, 06:05

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DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,670

by: bb

29 Aug 2025, 13:27

ER

If cookies are put in a jar and the jars of cookies are packed in

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

23 Jun 2025, 00:30

3

2

430

by: Dereno

23 Jun 2025, 11:48

ER

A line of people waiting to buy a device, 12% of the people have to wa

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

31 Jul 2020, 00:51

13

10

5,270

by: bumpbot

23 Jun 2025, 15:02

ER

A green bucket and a blue bucket are each filled to capacity with seve

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

03 Nov 2014, 08:49

46

10

10,869

by: bumpbot

23 Jun 2025, 15:24

ER

In May, Josep sold 40% of the computers that were sold by the store at

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

28 May 2022, 18:45

8

6

1,937

by: bumpbot

23 Jun 2025, 16:15

ER

A duffel bag contains a distinct numbers of baseballs, golf balls, and

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

13 Oct 2021, 05:00

6

4

1,726

by: dev21212121

23 Jun 2025, 23:26

ER

Fiona picks 30 apples and puts them in her basket. The apples have

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

01 Feb 2023, 02:30

5

2

1,776

by: GmatKnightTutor

23 Jun 2025, 23:43

ER

A paint mixture was formed by mixing exactly 3 colors of paint. By vol

655-705 (Hard) | Mixture Problems

655-705 (Hard) | Mixture Problems hide tags

Bunuel

26 Apr 2019, 03:18

306

16

46,882

by: Aboyhasnoname

24 Jun 2025, 01:02

ER

If x is a positive integer, is (10x - 1) divisible by the positive int

705-805 (Hard) | Multiples and Factors, Number Properties

705-805 (Hard) | Multiples and Factors, Number Properties hide tags

Bunuel

04 Dec 2019, 02:38

11

3

2,633

by: bumpbot

24 Jun 2025, 04:06

ER

If a, b, k, and m are positive integers, is a^k a factor of b^m?

505-555 (Easy) | Multiples and Factors

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

Bunuel

13 Jun 2019, 04:22

76

8

39,857

by: bumpbot

24 Jun 2025, 04:10

ER

Students took a test and received either As, Bs, Cs, Ds, or Fs.

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

24 Jun 2025, 00:30

2

505

by: Dereno

24 Jun 2025, 10:51

ER

There are x high-level officials (where x is a positive integer). Each

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

03 Nov 2014, 09:15

26

13

10,445

by: bumpbot

24 Jun 2025, 11:02

ER

Three business partners shared all the proceeds from the sale of their

605-655 (Medium) | Fractions and Ratios

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

Bunuel

07 Oct 2014, 09:06

16

8

13,929

by: bumpbot

24 Jun 2025, 11:08

ER

Every member of a local chess club is assigned one of two skill levels

805+ (Hard) | Fractions and Ratios, Word Problems

805+ (Hard) | Fractions and Ratios, Word Problems hide tags

Bunuel

09 Dec 2019, 01:06

17

3

4,904

by: bumpbot

24 Jun 2025, 11:12

ER

What is the value of x^(-6) ? (1) x^(-2) = 1/36 (2) x^6 = 46,656

Sub 505 (Easy) | Algebra, Exponents

Sub 505 (Easy) | Algebra, Exponents hide tags

Bunuel

29 Oct 2019, 02:17

2

1,848

by: bumpbot

24 Jun 2025, 11:44

ER

An airplane was due north of a tropical island when hurricane warning

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

17 Oct 2016, 05:57

7

10

3,668

by: bumpbot

24 Jun 2025, 12:13

ER

When a club with x members conducts a membership drive using a certain

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

31 Aug 2015, 10:36

4

2,200

by: bumpbot

24 Jun 2025, 12:24

ER

As a salesperson, Brandon's compensation is structured so that each

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

06 Jun 2024, 01:30

14

10

1,949

by: bumpbot

24 Jun 2025, 12:30

ER

If p, r, and s are consecutive integers in ascending order and x is th

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

26 Apr 2019, 02:19

192

17

30,478

by: bumpbot

24 Jun 2025, 15:01

ER

A paint shop sells spray cans at a flat charge of 50 cents per can.

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

24 Jun 2025, 00:30

3

404

by: Missinga

24 Jun 2025, 19:59

ER

Of the apartments in a certain building, 75 have a balcony, 80 have

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

Bunuel

09 Aug 2023, 10:00

24

4

14,117

by: bumpbot

25 Jun 2025, 06:25

ER

After an attempted breakout at Folsom State Prison, the warden lines

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

27 Mar 2023, 01:30

4

1,636

by: bumpbot

25 Jun 2025, 10:03

ER

A pizza place sells vegetarian pizza for a certain price and meat

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

25 Jun 2025, 00:30

3

423

by: Dereno

25 Jun 2025, 11:10

ER

The regular price for canned soup was reduced during a sale. How much

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

25 Jun 2025, 00:30

2

474

by: Dereno

25 Jun 2025, 11:30

ER

If k=x/(5^2z^b), where x is a positive integer, and k is expressed as

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

28 Apr 2016, 01:11

21

4

3,478

by: timmyq

25 Jun 2025, 18:51

ER

If m and n are positive two-digit integers, what is the value of the

605-655 (Medium) | Arithmetic

605-655 (Medium) | Arithmetic hide tags

Bunuel

06 Sep 2022, 06:20

20

6

7,144

by: bumpbot

25 Jun 2025, 21:41

ER

When booked, a vacation rental rents for x dollars per week for 16 wee

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

16 Feb 2023, 02:02

1

4

1,671

by: GMATinsight

25 Jun 2025, 23:24

ER

Is the standard deviation of the set of measurements x1, x2,

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

25 Jun 2012, 03:01

180

14

51,603

by: GMATinsight

26 Jun 2025, 03:13

ER

If x is a number in the list above, what is the median of the list?

655-705 (Hard) | Statistics and Sets Problems

655-705 (Hard) | Statistics and Sets Problems hide tags

Bunuel

26 Apr 2019, 03:35

378

19

52,082

by: bumpbot

26 Jun 2025, 09:44

ER

A certain section of a library currently has how many books?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

26 Jun 2025, 00:30

5

4

615

by: Dereno

26 Jun 2025, 11:12

ER

If all apples at a certain grocery store are equally priced, and all

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

26 Jun 2025, 00:30

3

539

by: Dereno

26 Jun 2025, 11:19

ER

A Lentil mixture is prepared using 2 different types of lentils: yello

Sub 505 (Easy) | Fractions and Ratios, Mixture Problems

Sub 505 (Easy) | Fractions and Ratios, Mixture Problems hide tags

Bunuel

14 May 2020, 01:51

12

5

5,029

by: bumpbot

26 Jun 2025, 11:36

ER

Is y > 4.3? (1) y rounded to the nearest hundredth is 4.31. (2) y ro

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

11 Feb 2022, 02:30

13

5

2,183

by: bumpbot

26 Jun 2025, 11:47

ER

Thomas poured water into a pitcher that was already 1/4 full of water.

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

17 Oct 2019, 22:17

2

1,598

by: bumpbot

27 Jun 2025, 00:01

ER

A certain company currently has how many employees?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

27 Jun 2025, 00:30

2

466

by: Dereno

27 Jun 2025, 10:51

ER

Company Ps profit this year was what percent of its profit last year?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

27 Jun 2025, 00:30

3

534

by: APram

27 Jun 2025, 12:04

ER

Is ac + ((a^2 - 1)(b^2 - 1))^(1/2) <= 1 ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

12 Sep 2022, 08:36

19

6

4,421

by: bumpbot

27 Jun 2025, 15:32

ER -1

A 6-student Senior Sports Committee is being selected from the seniors

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

28 Jun 2025, 01:12

5

2

2,273

by: nhauyen837

27 Jun 2025, 19:42

ER

The original cost of a mobile was $799. Mr. Thomas increased the price

655-705 (Hard) | Percent and Interest Problems

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

Bunuel

26 Sep 2019, 04:46

38

6

11,363

by: bumpbot

28 Jun 2025, 01:12

ER

In sequence of 9 distinct numbers {a1, a2, a3, ..., a9}, nth term is g

705-805 (Hard) | Sequences

705-805 (Hard) | Sequences hide tags

Bunuel

27 May 2022, 03:32

13

3

3,240

by: Bunuel

28 Jun 2025, 01:19

ER

If a car traveled at a constant speed of 75 km/h during the first two

505-555 (Easy) | Distance and Speed Problems

505-555 (Easy) | Distance and Speed Problems hide tags

Bunuel

20 Jun 2025, 10:39

2

846

by: Bunuel

28 Jun 2025, 02:45

ER

If a positive integer m is divided by d, the remainder is 5. What is

805+ (Hard) | Multiples and Factors, Remainders

805+ (Hard) | Multiples and Factors, Remainders hide tags

Bunuel

09 Dec 2019, 01:16

30

10

7,726

by: bumpbot

28 Jun 2025, 11:52

ER

If 1 < a < b < c < d, what is the value of d?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

31 Mar 2022, 07:30

1

4

1,908

by: bumpbot

28 Jun 2025, 11:52

ER

A 20 kilograms mixture of dry fruits consisting of x percent of almond

805+ (Hard) | Mixture Problems

805+ (Hard) | Mixture Problems hide tags

Bunuel

29 Dec 2021, 04:30

13

2

2,800

by: bumpbot

28 Jun 2025, 12:45

ER

If [n] denotes the greatest integer less than or equal to n, is [n] =

Sub 505 (Easy) | Functions and Custom Characters

Sub 505 (Easy) | Functions and Custom Characters hide tags

Bunuel

29 Oct 2015, 01:31

7

6,279

by: bumpbot

28 Jun 2025, 20:18

ER

What is the volume of cube C ?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

13 Feb 2023, 03:07

1

2

1,303

by: bumpbot

29 Jun 2025, 11:12

ER

What is the volume of pyramid P? (1) The height of pyramid P is 7.

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

05 May 2023, 01:30

5

4

1,391

by: bumpbot

29 Jun 2025, 11:18

ER

What was the median annual salary for the employees at Compan

Sub 505 (Easy) | Statistics and Sets Problems

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

Bunuel

21 Jun 2018, 09:20

20

6

23,154

by: bumpbot

29 Jun 2025, 11:32

ER

The figure above shows a piece of cheese with a corner cut off to expo

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

26 Apr 2019, 07:45

22

14

11,726

by: bumpbot

29 Jun 2025, 15:05

ER

A car is being driven on a road. Assuming that the car's wheels turn

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

28 Oct 2014, 09:26

19

9

14,534

by: bumpbot

29 Jun 2025, 15:32

ER

The side of an equilateral triangle has the same length as the diagona

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

23 Jun 2015, 23:11

11

10

22,623

by: bumpbot

29 Jun 2025, 16:00