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

78,673

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

188,492

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

487,882

by: bb

29 Aug 2025, 13:27

ER

If a and b are positive integers, is a/b = 2/3 ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

15 Oct 2022, 08:13

1

1,736

by: Rainman91

18 Oct 2022, 03:46

ER

For all numbers x, the function h is defined by h(x) = 2x − 1, and the

505-555 (Easy) | Functions and Custom Characters

505-555 (Easy) | Functions and Custom Characters hide tags

Bunuel

24 Oct 2018, 05:07

3

2,922

by: BrushMyQuant

07 Oct 2022, 10:54

ER

Is RST a right triangle? (1) The degree measure of R is twice the de

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

02 Oct 2022, 07:44

1

2,812

by: gmatCuck

02 Oct 2022, 07:50

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If 0 < N < 30, is N a factor of 30? (1) N is a factor of 12. (2) N

555-605 (Medium) | Multiples and Factors

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

Bunuel

30 Sep 2022, 01:30

1

865

by: UzairSohail

30 Sep 2022, 02:23

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What is the value of y ? (1) y is an even integer. (2) 1.5 < y < 1.5

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

21 Sep 2022, 03:13

1

906

by: stne

29 Sep 2022, 19:29

ER

If positive integer x is a multiple of 6 and positive integer y

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Bunuel

27 Sep 2022, 01:30

1

1,274

by: BrushMyQuant

28 Sep 2022, 10:17

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When integer y is divided by 2, is the remainder 1 ?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

23 Sep 2022, 05:11

1

1,444

by: stne

27 Sep 2022, 21:09

ER

If x is an integer, is n prime? (1) x! = n (2) 0 x 2

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

23 Sep 2022, 06:12

2

1,221

by: afifizzatullah

25 Sep 2022, 22:51

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Is xy > 5 ? (1) x 2 (2) y 2

Sub 505 (Easy) | Algebra, Number Properties

Sub 505 (Easy) | Algebra, Number Properties hide tags

Carcass

25 Sep 2022, 10:45

1

1,169

by: chetan2u

25 Sep 2022, 19:37

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If x is a positive number, is x < 1 ? (1) 2x < 1 (2) 2x 2

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

23 Sep 2022, 06:23

1

1,814

by: chetan2u

24 Sep 2022, 22:28

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Is x positive? (1) xy = 6 (2) xy^2 = 12

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

23 Sep 2022, 06:24

1

1,072

by: aryamanpanda

24 Sep 2022, 20:22

What is the value of the two-digit integer p ? (1) p is divisible by 9

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Carcass

23 Sep 2022, 03:25

1

1,039

by: av1901

23 Sep 2022, 11:15

If p is an integer, then p is divisible by how many positive integers?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Carcass

23 Sep 2022, 03:21

1

1,230

by: av1901

23 Sep 2022, 11:03

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What is the value of y ? (1) y is an even integer. (2) Integer y is no

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

21 Sep 2022, 03:15

1

992

by: av1901

21 Sep 2022, 04:06

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If x + y = 3, what is the value of xy ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

21 Sep 2022, 03:41

1

1,368

by: av1901

21 Sep 2022, 03:47

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If x, y, and z are positive, what is the value of x ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

19 Sep 2022, 03:59

1

1,929

by: Kinshook

19 Sep 2022, 21:02

ER

If n is an integer, is n odd ? (1) The tens digit of n is odd.

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

19 Sep 2022, 07:04

1

1,871

by: abhinavchitre13

19 Sep 2022, 07:41

ER

Does x^2 - y^2 = x + y ? (1) x and y are consecutive integers (2) x

555-605 (Medium) | Algebra, Number Properties

555-605 (Medium) | Algebra, Number Properties hide tags

Bunuel

19 Sep 2022, 06:38

1

1,186

by: GMATinsight

19 Sep 2022, 06:44

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What is the average (arithmetic mean) of x and y ?

Sub 505 (Easy) | Statistics and Sets Problems

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

Bunuel

19 Sep 2022, 05:44

1

2,203

by: GMATinsight

19 Sep 2022, 06:02

ER

If the product of j and k does not equal zero, is j<0 and k>0?

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

Bunuel

13 Sep 2022, 01:30

3

1,812

by: mcolbert

18 Sep 2022, 18:30

Is the integer r divisible by 9? (1) r is divisible by 3. (2) r is div

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Carcass

16 Sep 2022, 00:26

3

1,222

by: av1901

16 Sep 2022, 06:48

If j and k are integers, is jk divisible by 4? (1) j is divisible by

505-555 (Easy) | Multiples and Factors

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

Carcass

16 Sep 2022, 00:23

2

1,027

by: av1901

16 Sep 2022, 06:16

Is w between -1 and 2 on the number line? (1) w is to the right of -2

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Carcass

16 Sep 2022, 00:20

2

927

by: av1901

16 Sep 2022, 05:51

If y is a positive integer, is y < 9 ? (1) y is greater than the avera

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Carcass

16 Sep 2022, 00:19

2

873

by: av1901

16 Sep 2022, 05:11

ER

How many quarts of oil will a car burn during a 3600-mile trip?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

14 Sep 2022, 01:30

1

795

by: dreamknight

14 Sep 2022, 02:59

ER

Is integer k divisible by 5 ? (1) 24k is divisible by 20 (2) k + 1 is

505-555 (Easy) | Multiples and Factors

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

Bunuel

13 Sep 2022, 21:49

2

1,143

by: gmatophobia

13 Sep 2022, 23:24

ER

Salespeople at a certain car dealership are paid a $250 commission on

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

30 Oct 2019, 01:49

2

3,099

by: TithiMarodia

08 Sep 2022, 01:56

ER

Is parallelogram ABCD a rectangle?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

06 Sep 2022, 06:26

1

1,544

by: SaquibHGMATWhiz

07 Sep 2022, 05:59

ER

If x, y, and z are three integers, are they consecutive integers? (1)

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Carcass

05 Sep 2022, 23:31

3

1,278

by: av1901

06 Sep 2022, 23:44

Is the positive integer z a multiple of 36? (1) z is a multiple of 4 (

505-555 (Easy) | Multiples and Factors, Number Properties

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

Carcass

06 Sep 2022, 17:46

1

869

by: Archit3110

06 Sep 2022, 23:39

ER

If r and s are positive integers and rs = 16, what is the value of r ?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Carcass

05 Sep 2022, 23:33

3

1,446

by: av1901

06 Sep 2022, 22:25

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If x and y are none zero, is x^3y^5/x^2y^3 > 0? (1) x > 0 (2) y > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

03 Sep 2022, 04:33

2

755

by: Nidzo

06 Sep 2022, 01:16

ER

If a composite number is any positive integer greater than one that is

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

05 Sep 2022, 01:30

1

813

by: SaquibHGMATWhiz

05 Sep 2022, 23:48

ER

If the hypotenuse of the right triangle is 10, what is the perimeter o

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

02 Sep 2022, 09:37

2

1,186

by: mcmoorthy

03 Sep 2022, 02:23

ER

What is the volume of a rectangular solid? (1) Length of one of sides

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

02 Sep 2022, 09:35

1

1,082

by: gmatophobia

02 Sep 2022, 12:30

ER

What is the remainder when x is divided by 12?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

02 Sep 2022, 05:30

1

1,064

by: sanjitscorps18

02 Sep 2022, 06:43

ER

During a certain day, a bookshop sold 100 used books and 50 new books.

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

02 Sep 2022, 05:35

1

1,247

by: sanjitscorps18

02 Sep 2022, 06:21

ER

If each of the segments marked on the board above is of equal length,

505-555 (Easy) | Arithmetic, Geometry

505-555 (Easy) | Arithmetic, Geometry hide tags

Bunuel

27 Aug 2022, 01:45

1

1,832

by: av1901

01 Sep 2022, 21:09

ER

What is the area of square floor X?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

27 Aug 2022, 00:45

1

1,006

by: av1901

01 Sep 2022, 21:00

ER

Is the value of x^3y x^2y^2 + xy^3 equal to 0?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

26 Aug 2022, 23:45

1

913

by: av1901

01 Sep 2022, 20:55

ER

Allen and Chris founded a company in 1990. In which year did the compa

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

27 Aug 2022, 12:45

1

853

by: av1901

01 Sep 2022, 20:51

ER

How much money is saved by buying a box of a dozen donuts instead of

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

27 Aug 2022, 14:45

1

1,387

by: stne

31 Aug 2022, 08:02

ER

Chelsea traveled from point A to point B and then from point B to poin

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

27 Aug 2022, 15:45

1

1,204

by: stne

31 Aug 2022, 07:52

ER

If a, b, c, and d are integers, is the sum of ab and cd an odd integer

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

27 Aug 2022, 11:45

1

1,212

by: stne

31 Aug 2022, 07:45

ER

Chef Martha is preparing a pie for a friend's birthday. How much more

505-555 (Easy) | Fractions and Ratios

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

Bunuel

30 Aug 2022, 01:30

1

2,239

by: rkhosla

30 Aug 2022, 23:08

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A company's profit was $600,000 in 1980. What was its profit in 1981?

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

10 Aug 2022, 09:30

5

1,637

by: $!vakumar.m

19 Aug 2022, 10:42

ER

Is it cheaper to buy bagels by the dozen rather than singly?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

10 Aug 2022, 16:00

1

744

by: rkhosla

10 Aug 2022, 20:04

ER

If Patty is five years older than Rod, how old is Rod? (1) Fifteen ye

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

10 Aug 2022, 04:00

1

786

by: sanjitscorps18

10 Aug 2022, 09:20

ER

How many chocolate bars 2 inches wide and 4 inches long can be packed

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

10 Aug 2022, 08:00

1

906

by: EllaWoodMN

10 Aug 2022, 08:36

ER

What is 50% of x plus 25% of y ? (1) 25% of x plus 50% of y equals 20

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

04 Aug 2022, 12:30

1

953

by: ska7wn

07 Aug 2022, 22:25