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

78,693

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

188,505

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

487,916

by: bb

29 Aug 2025, 13:27

ER

If the positive integers P, Q, R, S, and T increase in order of size,

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

01 Jun 2022, 01:30

3

2

1,489

by: LST786

12 Jun 2022, 02:32

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If x < 3y/2, is x < 0? (1) y > 0 (2) 2x + 5y = 20

655-705 (Hard) | Inequalities

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Bunuel

11 Jun 2022, 18:30

2

1,343

by: PyjamaScientist

12 Jun 2022, 00:47

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If x and y are two consecutive integers in the increasing order, then

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

10 Jun 2022, 01:30

3

2

1,004

by: desertEagle

11 Jun 2022, 20:33

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In the figure shown, what is the value of x?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

08 Jun 2022, 11:45

2

1,231

by: yashikaaggarwal

08 Jun 2022, 12:40

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In the xy-coordinate plane, is point Q equidistant from points (4, 4)

555-605 (Medium) | Coordinate Plane

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Bunuel

07 Jun 2022, 01:30

2

1,527

by: GmatPoint

07 Jun 2022, 02:40

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Two groups in the class have passed the test. If the average grade for

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

04 May 2022, 09:00

2

1,788

by: PVOG

04 Jun 2022, 12:54

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If a^x = b^y where a, b are positive integers and x and y are non-nega

805+ (Hard) | Exponents, Multiples and Factors

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

Bunuel

10 May 2022, 01:30

10

2

1,959

by: GmatPoint

02 Jun 2022, 01:40

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If rectangle A has width w and length l, and w > l, what is the value

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

13 Apr 2022, 03:30

2

2,622

by: GMATWhizTeam

31 May 2022, 12:30

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In an arithmetic sequence, if a5 = 16 and d = an an1, what is the v

655-705 (Hard) | Sequences

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Bunuel

04 May 2022, 06:00

5

2

2,371

by: varshas044

31 May 2022, 10:01

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If a and b are positive integers, what is the value of ab?

Sub 505 (Easy) | Multiples and Factors, Number Properties

Sub 505 (Easy) | Multiples and Factors, Number Properties hide tags

Bunuel

04 May 2022, 03:30

5

2

2,357

by: PVOG

29 May 2022, 15:34

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In the figure, what is the measure of angle A? (1) The ratio of the

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

18 May 2022, 03:30

2

1,047

by: Foreheadson

29 May 2022, 13:15

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What is the average of a, b, and c? (1) (a + b) + (c + d) = 17 (2) d =

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

29 May 2022, 02:50

1

2

1,639

by: stne

28 May 2022, 15:47

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Let f(x)=ax^2+bx+c, what is the sum of the roots of f(x)=0?

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prithviraj99

26 May 2022, 13:18

2

1,521

by: AndrewN

27 May 2022, 12:32

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If b > a, then a is what percent of b? (1) a = 4 (2) b = 4a

Sub 505 (Easy) | Algebra, Percent and Interest Problems

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

Bunuel

25 May 2022, 01:30

2

1,715

by: GMATWhizTeam

25 May 2022, 11:41

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What is the value of x y ? (1) (x y)^2 = 16 (2) 4x = 4(y + 3)

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

23 May 2022, 01:30

2

1,115

by: CarlaBlas

25 May 2022, 04:11

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Is the triangle depicted above equilateral?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

24 May 2022, 01:30

2

1,097

by: desertEagle

24 May 2022, 21:34

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Is x < 0 ? (1) x^2 - x > 0 (2) |x| > 1

605-655 (Medium) | Absolute Values, Inequalities

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

Bunuel

23 May 2022, 11:40

3

2

1,271

by: suvam97

24 May 2022, 19:52

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If x is an integer, is x divisible by 15?

505-555 (Easy) | Multiples and Factors

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

Bunuel

27 Apr 2022, 04:00

2

1,323

by: genericUser

22 May 2022, 10:55

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m is negative, and n is an integer. Is m^n positive? (1) m is odd.

505-555 (Easy) | Exponents, Number Properties

505-555 (Easy) | Exponents, Number Properties hide tags

Bunuel

18 May 2022, 02:30

1

2

1,552

by: BrentGMATPrepNow

20 May 2022, 07:43

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Is a two-digit number PQ odd?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

19 Apr 2022, 01:30

3

2

1,484

by: BOB1993

16 May 2022, 00:30

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A certain straight corridor has four doors, A, B, C and D (in that ord

Sub 505 (Easy) | Arithmetic, Word Problems

Sub 505 (Easy) | Arithmetic, Word Problems hide tags

Bunuel

11 May 2016, 03:20

4

2

15,029

by: bumpbot

16 May 2022, 00:09

ER

What is the radius of the circle with center O shown above?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

02 Sep 2018, 22:22

3

2

2,430

by: bumpbot

15 May 2022, 21:30

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What is x? (1) 4x^(1/2) = 6 (2) x^2 =8

Sub 505 (Easy) | Algebra +2 tags

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selfishmofo

03 Mar 2022, 03:04

6

2

4,721

by: Anvesh99

14 May 2022, 17:55

ER

What is the two-digit number whose first digit is a and whose second

605-655 (Medium) | Algebra, Fractions and Ratios

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

Bunuel

05 Nov 2017, 01:41

3

2

7,558

by: bumpbot

12 May 2022, 20:20

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

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

11 May 2022, 06:00

3

2

1,157

by: GMATWhizTeam

11 May 2022, 12:22

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Is |x 1| < 3? (1) |x + 1| < 3 (2) |x + 2| > 3

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

Bunuel

11 May 2022, 01:30

3

2

1,284

by: zhanbo

11 May 2022, 03:08

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Is |x 1| < 3? (1) |x + 1| > 4 (2) |x 2| > 7

705-805 (Hard) | Absolute Values, Inequalities

705-805 (Hard) | Absolute Values, Inequalities hide tags

Bunuel

10 May 2022, 01:30

5

2

1,248

by: mdsaddamforgmat

10 May 2022, 18:54

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What is the value of x? (1) |x + 2| 4 (2) x^2 = 36

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

09 May 2022, 01:30

2

1,255

by: Sushil117

09 May 2022, 09:57

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

1,680

by: AritraKundu

09 May 2022, 08:55

ER

What is the units digit of the positive integer y?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

06 May 2022, 01:30

3

2

1,369

by: mdsaddamforgmat

07 May 2022, 19:58

ER

What is the value of |a + b|? (1) (a + b + c + d)(a + b c d) = 16

555-605 (Medium) | Absolute Values, Algebra

555-605 (Medium) | Absolute Values, Algebra hide tags

Bunuel

16 Mar 2022, 08:00

7

2

2,757

by: S1905

07 May 2022, 04:57

ER

If p, q, and r are non-negative integers such that the remainder when

555-605 (Medium) | Remainders

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Bunuel

24 May 2018, 06:42

5

2

2,142

by: bumpbot

04 May 2022, 11:49

ER

Integer n is greater than 20 and less than 80, is n odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

04 May 2022, 04:30

1

2

1,413

by: RamnathWizako

04 May 2022, 05:44

ER

A certain energy bar can be purchased individually for $1.50; a packag

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

29 Apr 2022, 01:30

1

2

2,419

by: zhanbo

29 Apr 2022, 19:25

ER

If x is a multiple of 3, is xy divisible by 48? (1) x is divisible by

505-555 (Easy) | Multiples and Factors

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

Bunuel

22 Apr 2022, 01:30

1

2

1,316

by: GMATWhizTeam

25 Apr 2022, 03:45

A solid rectangular block is made up of iron. If the iron weighs 25 gr

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

ktzsikka

05 Feb 2022, 05:56

9

2

2,470

by: vaibhav1221

25 Apr 2022, 00:40

ER

If M and N are positive integers, is M divisible by N?

705-805 (Hard) | Multiples and Factors

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

Bunuel

22 Apr 2022, 01:30

3

2

1,999

by: zhanbo

24 Apr 2022, 21:39

ER

If Dr. Jones had started practicing medicine 12 years later than he

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

05 Apr 2017, 03:23

5

2

3,056

by: bumpbot

24 Apr 2022, 04:49

ER

Is y^2 = 0?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

11 Nov 2017, 09:34

1

2

3,036

by: bumpbot

23 Apr 2022, 09:46

ER

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

1,122

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

Is a=b? (1) ac=bc (2) c>0

555-605 (Medium) | Algebra, Inequalities

555-605 (Medium) | Algebra, Inequalities hide tags

GMATNinja

18 Apr 2022, 00:19

4

2

2,160

by: GMATWhizTeam

19 Apr 2022, 11:15

ER

If xyz ≠ 0, is x^3 + y^3 + z^3 = 0?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Bunuel

11 Nov 2019, 04:53

17

2

3,878

by: bumpbot

18 Apr 2022, 12:34

ER

If r = (x+y)/2 and s = (x-y)/2, what is the value of r + s?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

11 Nov 2017, 07:39

4

2

2,528

by: bumpbot

18 Apr 2022, 10:03

ER

Joseph had to type an article containing 10,000 words. How many minute

Sub 505 (Easy) | Work and Rate Problems

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Bunuel

17 Mar 2017, 03:07

2

2,399

by: bumpbot

17 Apr 2022, 03:12

ER

What is the value of 3n - 4? (1) 6n – 10 = 30 (2) n/3 = 20/9

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

16 Oct 2019, 07:41

2

5,575

by: bumpbot

16 Apr 2022, 03:00

ER

What is the product of positive integers P and Q?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

13 Apr 2022, 04:00

4

2

1,205

by: Abhishekgmat87

14 Apr 2022, 11:02

ER

Is the distance between exits 4 and 5 longer than 12 miles?

555-605 (Medium) | Distance and Speed Problems

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Bunuel

13 Apr 2022, 02:30

2

1,454

by: IanStewart

14 Apr 2022, 10:21

ER

How many thousands of gallons of water does a reservoir have?

505-555 (Easy) | Fractions and Ratios

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

Bunuel

30 Mar 2022, 02:30

4

2

2,267

by: stne

13 Apr 2022, 09:10

ER

If x equally priced shares of a certain stock are valued at $18,000

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

enigma123

16 Dec 2025, 22:35

3

2

3,665

by: bumpbot

13 Apr 2022, 02:42