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

78,640

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

188,470

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

487,852

by: bb

29 Aug 2025, 13:27

ER

Molly took a car for rent for her vacation trip. The company that rent

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

27 May 2022, 03:41

1

949

by: ThatDudeKnows

27 May 2022, 14:41

ER

Is a + b = 0 ? (1) a/b > 1 (2) ab > 1

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

25 May 2022, 02:00

1

969

by: GMATinsight

25 May 2022, 02:13

ER

If a, b, c, d are integers and a < b < c < d, are a, b, c and d consec

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

24 May 2022, 02:50

1

1,751

by: JerryAtDreamScore

24 May 2022, 11:28

ER

The median of the rent of the apartments is 550. What's the average

505-555 (Easy) | Statistics and Sets Problems, Word Problems

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

Bunuel

24 May 2022, 01:58

1

1,130

by: genericUser

24 May 2022, 08:26

ER

Is a < 0? (1) b^2 a > 0 (2) ab^2 < 0

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

24 May 2022, 01:40

1

1,560

by: Aks111

24 May 2022, 02:13

ER

Is (ps + qr)/(pq + rs) = 1 (1) (p + q)/(r + s) = 1 (2) (p + s)/(r +

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

18 May 2022, 09:00

1

1,124

by: sanjitscorps18

18 May 2022, 09:48

ER

Is x a negative number? (1) 4x + 24 > 0 (2) 4x 24 < 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

11 May 2022, 02:00

1

834

by: chanchal541

18 May 2022, 00:07

ER

In the above figure, what is the area of ABO ?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

16 May 2022, 01:30

1

1,044

by: zhanbo

16 May 2022, 03:04

ER

The ratio of number of teachers to number of students in school X is

655-705 (Hard) | Fractions and Ratios

655-705 (Hard) | Fractions and Ratios hide tags

Bunuel

04 May 2022, 03:00

1

1,911

by: stne

13 May 2022, 22:18

ER

In the figure above, what is the value of x? (1) y = 130 (2) z = 100

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

11 May 2022, 07:30

1

1,033

by: ThatDudeKnows

12 May 2022, 20:57

ER

Is x^2 > x^3 ? (1) x < 1 (2) x 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

12 May 2022, 01:30

1

845

by: zhanbo

12 May 2022, 10:10

ER

How many paintings does Jill own? (1) If Jill sells 5 of her painting

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

03 Mar 2021, 14:54

3

4,909

by: bumpbot

12 May 2022, 02:22

ER

Last week, two classes took a test. If the average score for all stude

555-605 (Medium) | Statistics and Sets Problems

555-605 (Medium) | Statistics and Sets Problems hide tags

Bunuel

04 May 2022, 05:30

1

1,299

by: Abhishekgmat87

11 May 2022, 04:36

ER

If x^n = 1, where x and n are both integers, what is the value of the

605-655 (Medium) | Exponents +2 tags

605-655 (Medium) | Exponents, Multiples and Factors, Number Properties hide tags

Bunuel

04 May 2022, 02:30

2

1,679

by: AritraKundu

09 May 2022, 08:55

ER

If a and b are positive integers, is a even?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

04 May 2022, 04:00

1

1,306

by: GMATWhizTeam

04 May 2022, 08:01

ER

If, for the 199192 academic year, Bill and his parents shared the ent

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

20 Apr 2022, 06:00

1

1,272

by: vivek1810971

28 Apr 2022, 09:15

ER

Is x divisible by y? (1) x leave the remainder 0 when divided by 6.

505-555 (Easy) | Multiples and Factors

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

Bunuel

26 Apr 2022, 01:30

1

1,119

by: zhanbo

26 Apr 2022, 03:38

ER

a and b are positive integers. What is the value of b?

555-605 (Medium) | Multiples and Factors

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

Bunuel

21 Apr 2022, 01:30

1

976

by: paulrahul

22 Apr 2022, 13:36

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Is the value of a^3 + 3ab equal to 0? (1) a = 0 (2) b = 0

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

20 Apr 2022, 06:30

2

1,121

by: GMATWhizTeam

20 Apr 2022, 11:10

ER

The figure above shows line l intersecting line m. What is the value

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

20 Apr 2022, 04:30

2

1,381

by: Arup04

20 Apr 2022, 09:45

ER

In corporation X, the finance division has an average annual salary of

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

20 Apr 2022, 03:00

1

1,085

by: PyjamaScientist

20 Apr 2022, 03:12

ER

What is the value of y? (1) w x = 65 (2) x + z = 115

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

13 Apr 2022, 08:30

1

871

by: Gmt123

13 Apr 2022, 12:54

ER

Is x > y ? (1) x^2 > y^2 (2) xy < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

13 Apr 2022, 05:00

1

839

by: siglon

13 Apr 2022, 09:53

ER

Of the 500 temperature records, 76% are less than or equal to 153 degr

555-605 (Medium) | Statistics and Sets Problems

555-605 (Medium) | Statistics and Sets Problems hide tags

Bunuel

30 Mar 2022, 04:29

1

1,423

by: stne

13 Apr 2022, 08:06

ER

What is the value of m - n/m^2 - n^2 = (1) m^2 n^2 = 40 (2) m + n =

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

13 Apr 2022, 06:00

1

975

by: thkkrpratik

13 Apr 2022, 06:11

ER

John, Aditi, and Karim are all stamp collectors. What is the ratio of

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

Bunuel

13 Apr 2022, 02:00

1

1,208

by: thkkrpratik

13 Apr 2022, 02:29

ER

If the product of the three digits of the three-digit positive integer

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

01 Sep 2021, 02:30

4

2,783

by: paulrahul

07 Apr 2022, 02:33

ER

What is the value of x? (1) x^2 + 5x + 6 = 20 (2) x < 0

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

30 Mar 2022, 05:00

1

1,906

by: BrentGMATPrepNow

31 Mar 2022, 09:32

ER

If 2x - y = 75, what is the value of x? (1) x = 3y (2) y = 15

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

30 Mar 2022, 01:30

1

1,435

by: mdsaddamforgmat

31 Mar 2022, 01:31

ER

Is a^3 - 3 an integer? (1) a^2 is an integer (2) a^6 is an integer

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Hoozan

25 Mar 2022, 05:49

1

2,054

by: JerryAtDreamScore

25 Mar 2022, 14:51

ER

In the diagram above, O is the center of the circle, DC = a and DO = b

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

25 Mar 2022, 01:30

1

2,518

by: Nidzo

25 Mar 2022, 03:05

ER

If x + y + z = 8 and 3x + 2y + 4z = 25, what is the value of z?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Hoozan

24 Mar 2022, 23:32

2

1,377

by: Hoozan

24 Mar 2022, 23:46

ER

What is the value of 2^x/8^y ? (1) x = 3y + 8 (2) y = 4

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Bunuel

21 Mar 2022, 05:02

1

879

by: divyadna

21 Mar 2022, 05:25

ER

What is the value of x/y ? (1) (x + y)/y = 3 (2) y = 4

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

16 Mar 2022, 07:00

1

1,265

by: Nidzo

17 Mar 2022, 04:54

ER

Is x > 0? (1) x^2 > 0 (2) x + 2 > 0

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

16 Mar 2022, 08:30

1

1,161

by: Archit3110

16 Mar 2022, 08:59

ER

Is Hector taller than Charley? (1) Hector is 5 feet 7 inches tall.

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

16 Mar 2022, 03:00

1

2,466

by: neon1master

16 Mar 2022, 03:15

ER

If xy 0, what is the ratio of y to x? (1) y = 3x (2) x = 11

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

16 Mar 2022, 02:30

1

1,200

by: Sr1994

16 Mar 2022, 03:07

ER

What is the area of circle O?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

09 Mar 2022, 08:00

1

1,660

by: Sushen

10 Mar 2022, 16:26

ER

What is 20% of 3x? (1) 40% of 6x equals 12 (2) 20x = 15x + 25

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Bunuel

09 Mar 2022, 08:30

2

1,599

by: Sushen

10 Mar 2022, 16:17

ER

What is the value of the two-digit number z? (1) The tens digit is tw

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

09 Mar 2022, 10:00

2

1,679

by: Sushen

10 Mar 2022, 14:48

ER

If 3x 3y = 12z, what is the value of x? (1) 4z = 2 + y (2) 4z = 6

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

09 Mar 2022, 06:00

2

1,589

by: Sr1994

09 Mar 2022, 06:13

ER

What it the value of x - y ? (1) x + 2y = 11 (2) 4x - 4y = 8

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

09 Mar 2022, 05:00

1

1,217

by: Sr1994

09 Mar 2022, 05:14

ER

In 1980 the Immigration and Naturalization Service (INS) granted 1024

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

02 Mar 2022, 06:00

1

1,136

by: JerryAtDreamScore

08 Mar 2022, 15:35

ER

Gwen has to divide her money between her three sons. If the older brot

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

23 Feb 2022, 03:00

1

1,136

by: JerryAtDreamScore

08 Mar 2022, 15:29

ER

If n and p are positive integers, is the ratio of n to p 2 : 1?

655-705 (Hard) | Fractions and Ratios

655-705 (Hard) | Fractions and Ratios hide tags

Bunuel

02 Mar 2022, 04:00

2

1,740

by: genericUser

05 Mar 2022, 08:48

ER

Scott and Jeff both purchased tickets to a certain play. If they both

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

23 Feb 2022, 04:30

2

1,509

by: QMG

02 Mar 2022, 13:26

ER

In the figure above, does r = t? (1) The length of AB plus the length

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

02 Mar 2022, 04:30

1

1,464

by: PyjamaScientist

02 Mar 2022, 08:32

ER

If x, y, and z are positive integers, what is the value of x? (1) (2^

505-555 (Easy) | Exponents

505-555 (Easy) | Exponents hide tags

Bunuel

23 Feb 2022, 05:00

2

1,372

by: GMATinsight

28 Feb 2022, 23:07

ER

A certain bakery sells wheat bread in 8-ounce loaves and 12-ounce loav

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

23 Feb 2022, 06:30

1

1,364

by: BrentGMATPrepNow

28 Feb 2022, 14:04

ER

If w + x + y = 18, what is the value of y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

BrentGMATPrepNow

24 Feb 2022, 07:47

3

1,388

by: Aditi1990

24 Feb 2022, 08:30