GMAT Data Sufficiency (DS) Forum - Free Practice Questions

ER

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

Bunuel

25 Oct 2022, 08:11

176

15

78,683

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

854

24

188,501

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

487,911

by: bb

29 Aug 2025, 13:27

ER

If Milarepa paid $5.80 for a cheeseburger and a soda, how much did he

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

06 Aug 2024, 01:30

2

838

by: tgsankar10

06 Aug 2024, 22:49

ER

What is the value of xy - yz? (1) y = 2 (2) x - z = 5

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

23 Sep 2018, 21:21

2

5

8,550

by: bumpbot

05 Aug 2024, 19:21

ER

Is a−b > c−d? (1) a>c (2) d>b

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

26 May 2021, 07:30

2

3

3,799

by: Kavicogsci

05 Aug 2024, 12:57

ER

When worker A and worker B work together they produce 100 bricks in 2

505-555 (Easy) | Work and Rate Problems

505-555 (Easy) | Work and Rate Problems hide tags

Bunuel

30 Jul 2024, 01:30

2

1

1,482

by: Nidzo

31 Jul 2024, 02:14

Is x in the interval (0,1)

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Hoehenheim

28 Jul 2024, 07:11

2

1

718

by: stne

29 Jul 2024, 18:57

ER

If x is a positive integer greater than 1, is 1/x a terminating decima

555-605 (Medium) | Multiples and Factors, Number Properties

555-605 (Medium) | Multiples and Factors, Number Properties hide tags

Bunuel

18 Mar 2023, 12:00

2

4

1,622

by: unraveled

29 Jul 2024, 09:56

ER

If x and y are integers, is x + y divisible by 6 ?

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Bunuel

19 Sep 2022, 06:00

2

2,678

by: bumpbot

26 Jul 2024, 09:13

ER

What percent of the total number of voters this year did not vote for

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

26 Jul 2024, 01:30

2

1,083

by: Shwarma

26 Jul 2024, 07:22

ER

In the figure above, is IJ > 5? (1) H is the midpoint of IG, and J is

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

27 May 2018, 10:13

2

3

15,292

by: bumpbot

25 Jul 2024, 12:44

ER

3 childrens ages are consecutive even numbers. What is the oldest

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

24 Jul 2024, 01:30

2

1

1,421

by: Nidzo

24 Jul 2024, 03:00

ER

Are at least 20 percent of the students in City X employed?

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

23 Jul 2024, 01:30

2

1

1,070

by: LamboWalker

23 Jul 2024, 01:39

ER

The total amount of money that Leo spent during the first 3 days of a

Sub 505 (Easy) | Statistics and Sets Problems, Word Problems

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

andrewjohn8

20 Jul 2024, 17:08

2

1

3,119

by: Bunuel

21 Jul 2024, 02:49

ER

If Jessica drives her car for 2.5 hours at a constant speed,

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

sanjoo

10 Oct 2012, 05:08

2

6

5,982

by: 1616

21 Jul 2024, 01:01

If a, b and c are three integers, are they consecutive?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Hoozan

10 Jan 2021, 05:30

2

5

1,614

by: bumpbot

19 Jul 2024, 22:43

ER

If z is an integer greater than 1, is z even? (1) 2z is not a factor

555-605 (Medium) | Multiples and Factors, Number Properties

555-605 (Medium) | Multiples and Factors, Number Properties hide tags

Bunuel

26 May 2022, 03:05

2

3

2,136

by: bumpbot

16 Jul 2024, 04:26

ER

What is the marked price of the shirt?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

12 May 2019, 23:25

2

6,218

by: bumpbot

14 Jul 2024, 06:55

ER

On the number line, are the points x and y on different sides of zero?

605-655 (Medium) | Absolute Values, Inequalities

605-655 (Medium) | Absolute Values, Inequalities hide tags

Bunuel

25 Nov 2022, 10:01

2

3

1,519

by: bumpbot

01 Jul 2024, 11:27

ER

If N is a positive integer less than 100, what is the value of N?

805+ (Hard) | Multiples and Factors, Number Properties

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

Bunuel

24 Jan 2023, 10:15

2

1,702

by: bumpbot

29 Jun 2024, 08:50

ER

What is the units digit of the product of m! and n!?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

02 May 2016, 22:20

2

2,038

by: bumpbot

24 Jun 2024, 04:43

ER

Tyra mows lawns at a constant rate. She can mow 3 lawns in 2 hours.

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

Bunuel

17 Jun 2024, 01:30

2

3

1,083

by: Legenddary1234

17 Jun 2024, 07:50

ER

A finite sequence {An} is arithmetic. If each term An of the sequence

655-705 (Hard) | Sequences

655-705 (Hard) | Sequences hide tags

MathRevolution

07 May 2018, 02:23

2

7

3,451

by: dhruvshawarma

17 Jun 2024, 06:39

ER

The total cost to plough a field consists of a fixed charge(F) and var

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

29 Dec 2021, 08:00

2

2,472

by: bumpbot

17 Jun 2024, 03:01

ER

If z = |x+y|, is z > 8?

Sub 505 (Easy) | Absolute Values

Sub 505 (Easy) | Absolute Values hide tags

CAMANISHPARMAR

10 Feb 2019, 09:33

2

5

3,030

by: bumpbot

16 Jun 2024, 04:45

ER

If a#b, what is the value of a+b?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

ashiima

08 May 2015, 09:23

2

3,463

by: bumpbot

13 Jun 2024, 20:39

ER

Is the distance between Borga and Kosver less than 140 Miles?

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

Bunuel

11 Jun 2024, 01:30

2

929

by: Purnank

11 Jun 2024, 03:32

ER

2x – y =

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

vikasp99

06 Mar 2017, 05:08

2

10

3,406

by: bumpbot

09 Jun 2024, 19:35

ER

The tax Jim paid on a shipment of Cognac brandy bottles was $1 for the

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

23 Jun 2021, 04:00

2

4

1,806

by: bumpbot

04 Jun 2024, 11:30

ER

The population of Town X on January 1, 2010, was 56 percent greater

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

31 May 2024, 01:30

2

917

by: Purnank

31 May 2024, 02:49

When a positive integer N is divided by 11, the remainder is 5.

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

ChandlerBong

18 Apr 2023, 00:52

2

4,527

by: bumpbot

26 May 2024, 12:13

ER

In ΔABC above, what is the length of segment AB? (1) AC = √2 (2) AB

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

16 Feb 2022, 03:30

2

3

3,561

by: bumpbot

24 May 2024, 11:22

What is the median of 5 integers? 1) 3 numbers of them are the same va

505-555 (Easy) | Min-Max Problems

505-555 (Easy) | Min-Max Problems hide tags

skidstorm

19 Mar 2018, 17:35

2

3

3,464

by: bumpbot

22 May 2024, 21:37

ER

What are the populations of Cities Y and Z ?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

12 Oct 2022, 01:30

2

2,717

by: bumpbot

22 May 2024, 20:47

ER

In certain defined area of the cave, there are g gold coins, s silver

Sub 505 (Easy) | Probability

Sub 505 (Easy) | Probability hide tags

Bunuel

21 May 2024, 01:30

2

1,106

by: GMATinsight

21 May 2024, 08:47

ER

If Company X’s and Company Y’s annual sales in 2011 were each 15 perce

555-605 (Medium) | Percent and Interest Problems

555-605 (Medium) | Percent and Interest Problems hide tags

Bunuel

11 Oct 2018, 04:15

2

1,599

by: sayan640

19 May 2024, 21:47

ER

Is x/8 = 3/4 ? (1) x > 5.5 (2) x < 7

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

28 Oct 2022, 01:30

2

1,948

by: bumpbot

19 May 2024, 19:23

ER

Alex, Barbara and Cynthia shared the driving on a 500 mile trip. Which

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

Bunuel

17 May 2024, 01:30

2

1

1,299

by: GMATinsight

17 May 2024, 01:43

ER

If xy 0, is |x| > |y| (1) x = -2y (2) x = y^4

605-655 (Medium) | Absolute Values, Algebra

605-655 (Medium) | Absolute Values, Algebra hide tags

Bunuel

03 Apr 2023, 06:15

2

1,797

by: bumpbot

16 May 2024, 03:01

ER

What was the total distance that Bill drove from Mount Pleasant to

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

Bunuel

15 May 2024, 01:30

2

1,046

by: Anugmat740

15 May 2024, 22:57

ER

If 5 percent of the personnel stationed at army base M are officers

555-605 (Medium) | Percent and Interest Problems

555-605 (Medium) | Percent and Interest Problems hide tags

Bunuel

13 May 2024, 01:30

2

1,313

by: unraveled

13 May 2024, 08:36

If r and s are positive integers and rs = 20, what is the value of r ?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Carcass

21 Sep 2022, 04:23

2

1,450

by: bumpbot

09 May 2024, 18:24

ER

A survey was made of 100 students who study German, French and Japanes

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

14 Jun 2022, 23:15

2

1,442

by: bumpbot

09 May 2024, 18:07

ER

A certain medical insurance company sold two types of policies

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

09 May 2024, 01:30

2

1

946

by: Nidzo

09 May 2024, 04:10

ER

In a sequence of N consecutive positive integers, are there exactly fo

555-605 (Medium) | Multiples and Factors

555-605 (Medium) | Multiples and Factors hide tags

Bunuel

19 May 2021, 05:00

2

1,532

by: bumpbot

08 May 2024, 04:13

ER

Jack is 4 years older than Daniel. What are their ages now?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

02 May 2024, 01:30

2

1,345

by: Nidzo

02 May 2024, 05:59

ER

Of the 200 students in a college, 125 learned Spanish and 81 learned

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

30 Apr 2024, 01:30

2

1

1,071

by: Nidzo

30 Apr 2024, 04:24

ER

Of the students in a certain class, 40 learn Spanish, 30 learn French,

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

Bunuel

30 Apr 2024, 01:30

2

1

1,495

by: thanhtra01011

30 Apr 2024, 03:19

ER

A certain medical insurance company sold two types of policies

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

26 Apr 2024, 01:30

2

1

947

by: Nidzo

26 Apr 2024, 05:48

ER

A retailer buys t-shirts from a wholesaler in lots of 25 t-shirts each

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

19 Apr 2024, 01:30

2

1,057

by: GMATinsight

20 Apr 2024, 05:54

ER

What is the units digit of (a + b)^2 (a - b)^2, where a and b are

705-805 (Hard) | Multiples and Factors

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

Bunuel

16 Jan 2023, 11:15

2

3

1,269

by: bumpbot

17 Apr 2024, 09:36

ER

A stock returned what percent of its cost in a dividend at the end of

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

16 Apr 2024, 01:30

2

4

897

by: TOBEATHATPERSON

17 Apr 2024, 04:34