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

176

15

78,623

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

854

24

188,460

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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

487,841

by: bb

29 Aug 2025, 13:27

ER

What is the profit percent if an article is sold without any discount

705-805 (Hard) | Word Problems

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Bunuel

09 Dec 2024, 01:30

4

2

1,168

by: itsyodaa

09 Dec 2024, 12:42

ER

A nonprofit group organizes its local fundraisers in teams,

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madhavsrinivas

23 Dec 2013, 11:06

159

14

23,327

by: shubs80

07 Dec 2024, 02:55

ER

If Rebecca made $60,000 last year after taxes and put all of this

555-605 (Medium) | Word Problems

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Bunuel

05 Dec 2024, 01:30

3

1,208

by: jozie

06 Dec 2024, 21:05

ER

A certain shop in a market sells only cherry pies and apple pies

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Bunuel

05 Dec 2024, 01:30

3

1

1,489

by: stne

06 Dec 2024, 15:17

ER

Of the marbles in a box, 2/5 are blue, 1/3 are red, and the rest are

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

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Bunuel

25 Nov 2024, 01:30

4

2

1,055

by: Jxmes

05 Dec 2024, 20:51

ER

In one 30 day month, Joeś computer store sold computers at their regul

655-705 (Hard) | Percent and Interest Problems, Word Problems

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Bunuel

16 Jan 2020, 01:49

14

13

4,247

by: Postponemendor

04 Dec 2024, 06:07

ER

Anne and Bill each invested in both stocks and bonds in 2007. Who had

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Bunuel

29 Nov 2024, 01:30

11

7

1,175

by: SP021

03 Dec 2024, 10:42

ER

What percent of the 300 students are girls who had taken a course in

655-705 (Hard) | Word Problems

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Bunuel

03 Dec 2024, 01:30

1

1,288

by: ADisHere

03 Dec 2024, 03:51

ER

Of the 3,000 cars manufactured in Factory Q last year, how many were

555-605 (Medium) | Word Problems

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Bunuel

23 Apr 2024, 01:30

8

3

2,458

by: Ab295

02 Dec 2024, 08:33

ER

A survey was conducted to find out how many TV show viewers voted for

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Bunuel

28 Nov 2024, 01:30

2

1,255

by: 7seven7

01 Dec 2024, 11:14

ER

A certain museum show was attended by members and visitors.

655-705 (Hard) | Word Problems

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Bunuel

28 Nov 2024, 01:30

1

892

by: 7seven7

01 Dec 2024, 10:35

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Sam spent a total of $6.00 on pens and pencils. How many pens did he

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Bunuel

29 Nov 2024, 01:30

7

2

889

by: 7seven7

01 Dec 2024, 04:00

ER

A museum sold 30 tickets on Saturday. Some of the tickets

655-705 (Hard) | Inequalities, Word Problems

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BDSunDevil

11 Jun 2012, 08:14

31

12

12,145

by: bumpbot

30 Nov 2024, 23:06

ER

Occupancy rate is defined as the number of units occupied,

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madhavsrinivas

24 Dec 2013, 02:22

69

11

14,734

by: bumpbot

29 Nov 2024, 05:55

ER

The table above shows the discount schedule that a health club uses

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Hoozan

26 Jan 2021, 05:00

5

3,005

by: bumpbot

29 Nov 2024, 04:09

Coffee bean company, A decided to survey a group of people. The survey

705-805 (Hard) | Word Problems

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MAN11

27 Nov 2024, 06:03

3

2

1,019

by: Pablopikachu

29 Nov 2024, 04:01

A game consists of tossing a coin successively. There is an entry fee

705-805 (Hard) | Word Problems

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excelingmat

05 Nov 2015, 04:10

7

6

6,566

by: Sanchit19

29 Nov 2024, 00:46

ER

Is the number of the boys in the class is more than the number of the

705-805 (Hard) | Fractions and Ratios, Word Problems

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Bunuel

19 Dec 2019, 02:21

13

4

3,241

by: bumpbot

27 Nov 2024, 15:34

ER

A man buys 33 icecreams for a group of 7 children. Does each one eat a

555-605 (Medium) | Fractions and Ratios, Word Problems

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dracarys007

09 Dec 2024, 05:43

23

5

3,627

by: bumpbot

26 Nov 2024, 04:31

ER

An artist's portfolio consisting of 1,000 photos is divided into 20 su

605-655 (Medium) | Word Problems

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Bunuel

13 Feb 2015, 08:46

12

5

5,477

by: bumpbot

23 Nov 2024, 06:42

ER

A certain company sells only cars and trucks reported that the number

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Bunuel

21 Nov 2024, 01:30

1

999

by: cdrectenwald

21 Nov 2024, 17:43

ER

For each order, a mail order bookseller charges a fixed processing fee

655-705 (Hard) | Word Problems

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Bunuel

01 Jul 2020, 02:55

15

5

12,181

by: bumpbot

21 Nov 2024, 01:25

ER

Which of Company X and Company Y earned the greater gross profit last

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maybeam

05 Jun 2019, 05:03

106

18

36,484

by: bumpbot

21 Nov 2024, 01:20

ER

How many of n pairs of twins are girls?

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Bunuel

19 Nov 2024, 01:30

2

995

by: ADisHere

20 Nov 2024, 12:51

ER

When the members of group A are divided into subgroups of 13 people

705-805 (Hard) | Word Problems

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Bunuel

19 Jan 2024, 02:30

3

2

1,865

by: pratiksha1998

20 Nov 2024, 11:03

ER

Last semester, Professor K taught two classes, A and B. Each student

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Bunuel

24 Jun 2018, 21:24

39

17

20,112

by: bumpbot

18 Nov 2024, 02:51

ER

For each month of next year, Company R's monthly revenue target is x

555-605 (Medium) | Word Problems

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tarek99

07 Dec 2007, 09:38

80

13

27,612

by: bumpbot

14 Nov 2024, 07:13

ER

Hallie has only nickels, dimes and quarters in her pocket. If she has

655-705 (Hard) | Word Problems

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Bunuel

07 May 2015, 03:22

21

7

9,137

by: bumpbot

12 Nov 2024, 20:51

ER

Team A and team B competed in 8 distinct consecutive events. The team

805+ (Hard) | Word Problems

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Bunuel

11 Nov 2024, 01:30

5

3

1,539

by: Bunuel

12 Nov 2024, 02:04

ER

A shopkeeper purchased 30 identical units of item X at $100 each.

705-805 (Hard) | Word Problems

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Bunuel

11 Nov 2024, 01:30

7

1

992

by: Matthyrou

11 Nov 2024, 10:28

ER

Jane and Thomas each have more than 700 stamps. What is the ratio of

705-805 (Hard) | Word Problems

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Bunuel

07 Nov 2024, 01:30

6

4

1,209

by: QuantMadeEasy

07 Nov 2024, 11:07

ER

At a farmers market, a florist sells only roses, and customers can buy

655-705 (Hard) | Word Problems

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Bunuel

31 Oct 2024, 01:30

4

1

1,394

by: siddhantvarma

06 Nov 2024, 21:34

ER

A shelf contains only books of poetry, short stories, and non-fiction.

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Bunuel

12 Aug 2016, 08:49

6

2,958

by: PulkitMudgal

05 Nov 2024, 23:46

ER

How many phone calls were received by Company C between 10:00 a.m. and

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Bunuel

05 Nov 2024, 01:45

3

1

1,209

by: cdrectenwald

05 Nov 2024, 03:47

ER

The largest bonus that Felix can receive this year is equal to 20% of

505-555 (Easy) | Word Problems

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Bunuel

31 Oct 2024, 01:30

1

913

by: swaftnishant

04 Nov 2024, 23:47

ER

Four friends, P, Q, R and S have $1400 with them. Does P have the high

705-805 (Hard) | Word Problems

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Bunuel

06 Aug 2017, 00:59

7

4

2,648

by: anhvp56

04 Nov 2024, 08:53

ER

Flasks M and N contain m and n liters of water respectively. Half of t

805+ (Hard) | Word Problems

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BrentGMATPrepNow

10 Jun 2019, 05:56

5

7

2,061

by: KanikaJain

29 Oct 2024, 23:32

ER

A jar contains 30 coins, of which 20 are nickels and 10 are dimes. If

605-655 (Medium) | Word Problems

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Bunuel

01 Sep 2016, 03:55

3

4

5,581

by: bumpbot

28 Oct 2024, 04:32

If a jar of candies is divided among 3 children, how many candies did

655-705 (Hard) | Word Problems

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duahsolo

25 Oct 2016, 16:13

11

4

3,561

by: bumpbot

27 Oct 2024, 03:35

ER

In order for a nursery to meet the conditions of its insurance there

655-705 (Hard) | Word Problems

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Bunuel

25 Oct 2024, 01:30

4

3

1,447

by: tgsankar10

26 Oct 2024, 02:12

ER

The new Moulant Diet requires adherents to limit their daily intake of

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

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Bunuel

25 Jan 2018, 23:57

5

4

2,158

by: m7runner

26 Oct 2024, 01:12

ER

If during a sale, a pet store sells twice as many dogs as it sells cat

505-555 (Easy) | Word Problems

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Bunuel

24 Oct 2024, 00:26

2

1

867

by: ParthM011

25 Oct 2024, 07:07

ER

A workshop runs on Wednesday, Thursday and Friday.

605-655 (Medium) | Word Problems

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Bunuel

25 Oct 2024, 01:30

3

1

1,075

by: Nitish1103

25 Oct 2024, 05:28

ER

On a particular day, Mary Inklewood made a total of 149 shillings from

555-605 (Medium) | Word Problems

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Bunuel

25 Jul 2024, 01:30

10

3

2,058

by: agrotechpepper

23 Oct 2024, 11:43

ER

Each day, a vendor rents a booth. She is charged both a flat fee and 5

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Bunuel

01 Jan 2021, 09:00

3

2

1,858

by: bumpbot

23 Oct 2024, 10:22

ER

The usual price of a bagel was reduced during a sale. How much money

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Bunuel

22 Oct 2024, 01:30

1

732

by: Abdelaali91

22 Oct 2024, 06:40

ER

If Mike buys a bicycle and a helmet for a total cost of $315, how much

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Bunuel

22 Oct 2024, 01:30

2

971

by: Abdelaali91

22 Oct 2024, 06:27

ER

A father distributed his total wealth to his two sons. How much wealth

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Bunuel

21 Oct 2024, 01:30

2

946

by: Abdelaali91

21 Oct 2024, 06:08

ER

A jar contains only green pencils and red pencils. If the jar contains

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Bunuel

21 Oct 2024, 01:30

2

842

by: Abdelaali91

21 Oct 2024, 06:05

ER

Aaliyah purchased 5 pencils and pens. If each pencil costs 18 cents an

605-655 (Medium) | Word Problems

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Bunuel

05 Apr 2017, 03:24

4

3

4,360

by: bumpbot

18 Oct 2024, 13:57