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

179

15

79,112

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

857

24

188,752

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

488,335

by: bb

29 Aug 2025, 13:27

ER

Is x > 0 ? (1) |x - 5| = 7x - 11 (2) |x + 5| = |x - 9|

605-655 (Medium) | Absolute Values, Inequalities

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

Bunuel

06 Jan 2021, 01:15

14

3

4,314

by: bumpbot

03 Oct 2023, 07:31

ER

What is the remainder when the positive integer N is divided by 2?

555-605 (Medium) | Multiples and Factors, Remainders

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

Sajjad1994

02 Oct 2023, 00:00

2

3

1,525

by: IshanSaini

03 Oct 2023, 12:01

ER

On a certain day, two telemarketers, V and W, each earned $80.

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

gabriel87

15 Sep 2014, 22:12

11

3

4,644

by: bumpbot

03 Oct 2023, 14:10

ER

Is x> 0? (1) |x|-x = 0

605-655 (Medium) | Absolute Values, Inequalities

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

pirimidin

01 Aug 2015, 10:21

11

3

3,145

by: bumpbot

04 Oct 2023, 00:41

ER

If (x + y)/ z < 0 and z not equal to 0, then is the average of x, y, a

805+ (Hard) | Statistics and Sets Problems

805+ (Hard) | Statistics and Sets Problems hide tags

Bunuel

09 Feb 2022, 12:30

10

3

2,448

by: chetan2u

04 Oct 2023, 01:26

ER

If f denotes a decimal, is f < 0.5 ? (1) When f is squared, the result

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

15 Nov 2018, 05:05

5

3

2,528

by: bumpbot

04 Oct 2023, 12:25

ER

The number N is 5, 7G6, the tens digit being represented by G. What i

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

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

Carcass

20 Sep 2022, 00:22

4

3

1,534

by: bumpbot

05 Oct 2023, 07:49

ER

Is x - 4 > y ? (1) 3^x - 3^(x-5) > 242*3^y (2) x is a positive integer

655-705 (Hard) | Exponents, Inequalities

655-705 (Hard) | Exponents, Inequalities hide tags

Bunuel

04 Oct 2023, 01:30

6

3

1,358

by: stne

05 Oct 2023, 14:03

ER

In the x-y plane what is the area of a certain circle?

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

MathRevolution

20 Jan 2017, 06:26

2

3

2,267

by: bumpbot

07 Oct 2023, 00:44

ER

In the xy-plane, the line K passes through a point (a,b), where a>0 an

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

MathRevolution

29 Jun 2018, 01:16

10

3

2,630

by: bumpbot

07 Oct 2023, 13:16

ER

Is a < b < c ? (1) a - 1 < b < c + 1 (2) a + 1 < b < c - 1

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

08 Jun 2023, 04:15

1

3

1,233

by: Flower_Child

09 Oct 2023, 02:43

ER

If m is an integer and x^m = 1/x^m, what is the value of x?

605-655 (Medium) | Exponents, Number Properties

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

Bunuel

09 Jun 2022, 13:00

7

3

2,784

by: chetan2u

09 Oct 2023, 22:48

ER

m and n are positive integers. If p and q are prime numbers, how many

705-805 (Hard) | Multiples and Factors

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

Bunuel

05 May 2023, 09:00

12

3

2,262

by: gowthamkanirajan

10 Oct 2023, 06:57

ER

Is P prime? (1) P is divisible by 2 (2) P is divisible by 4.

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

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

alphonsa

11 Oct 2023, 00:02

8

3

4,219

by: bumpbot

10 Oct 2023, 22:22

ER

Is x > 0? (1) x = |x| (2) x^3 > x

705-805 (Hard) | Absolute Values, Inequalities

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

GMATinsight

22 Mar 2020, 02:53

8

3

1,977

by: bumpbot

11 Oct 2023, 00:01

ER

If x and y are positive integers and x> y, what is the value of xy^2 +

555-605 (Medium) | Algebra, Number Properties

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

study

01 Oct 2023, 12:52

13

3

7,895

by: Bunuel

11 Oct 2023, 04:23

ER

A, B, and C are three distinct points in the xy-coordinate system, and

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

20 Oct 2021, 07:30

6

3

2,862

by: bumpbot

11 Oct 2023, 12:33

ER

Is x^2*y^4 an integer divisible by 9 ?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

seekmba

12 Oct 2023, 01:07

122

3

22,819

by: bumpbot

12 Oct 2023, 01:07

ER

The capacity of glass X is 80 percent of the capacity of glass Y. Glas

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

11 Jul 2019, 05:03

6

3

8,789

by: LucienH

15 Oct 2023, 06:49

ER

If f(x) = ax^2 + 3x + 1, where a 0, is a < 0 ?

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

Bunuel

12 Sep 2022, 08:08

11

3

2,622

by: bumpbot

15 Oct 2023, 17:21

ER

Is p^2 > q^2 ? (1) p > 0 (2) q > 0

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

05 Feb 2021, 09:15

3

2,252

by: Bunuel

16 Oct 2023, 13:47

ER

If n is a positive integer, what is the n th prime number ?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

19 Oct 2022, 10:14

3

1,370

by: chetan2u

17 Oct 2023, 01:11

ER

If the pages of a term paper were numbered consecutively, wi

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

fozzzy

11 Sep 2013, 08:07

12

3

4,118

by: Bunuel

17 Oct 2023, 04:57

ER

What is the perimeter of isosceles triangle MNP ? (1) MN = 16 (2) NP

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

05 Feb 2022, 10:01

5

3

2,543

by: bumpbot

18 Oct 2023, 09:37

ER

In triangle XYZ, the length of side XY is 40. Is triangle XYZ a right

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Sajjad1994

20 Jan 2021, 06:04

5

3

3,491

by: umangshah

19 Oct 2023, 04:12

ER

x is one of the numbers 3 or 6. Is xy equal to 12 ? (1) Exactly one of

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Bunuel

12 Jul 2019, 01:33

13

3

1,483

by: bumpbot

19 Oct 2023, 18:25

ER

If x, y and z are different integers, is x divisible by 11?

655-705 (Hard) | Multiples and Factors

655-705 (Hard) | Multiples and Factors hide tags

Bunuel

11 May 2016, 00:17

12

3

3,434

by: DanTheGMATMan

19 Oct 2023, 21:55

ER

A E D C B Segment AD and AC divide angle EAB into three non

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

chiragatara

26 Nov 2010, 09:52

5

3

5,029

by: bumpbot

20 Oct 2023, 23:26

ER

What is the value of |m| - |n|? (1) n^2 = 36 (2) m^2 = 81

Sub 505 (Easy) | Absolute Values

Sub 505 (Easy) | Absolute Values hide tags

Bunuel

28 Mar 2018, 23:52

2

3

5,228

by: Bunuel

21 Oct 2023, 03:41

ER

At a dance, 9/10 of the attendees were junior or senior students, and

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

Bunuel

06 Oct 2023, 01:30

3

1,379

by: DanTheGMATMan

22 Oct 2023, 09:53

ER

What is the value of integer a ? (1) 1 a^3 54 (2) |3a| = a^2

555-605 (Medium) | Absolute Values, Inequalities

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

Bunuel

18 Oct 2023, 01:30

2

3

1,345

by: Fdambro294

24 Oct 2023, 00:16

ER

If a is a positive number less than 10, is c greater than the average

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

22 Jan 2018, 23:28

4

3

2,360

by: bumpbot

24 Oct 2023, 08:01

ER

What is the ratio of the area of a rectangular TV screen with

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

dimitri92

24 Oct 2023, 12:06

39

3

9,543

by: bumpbot

24 Oct 2023, 12:03

What is the value of |2x - 5y| if 4x - 10y = -16?

505-555 (Easy) | Absolute Values

505-555 (Easy) | Absolute Values hide tags

karthikunihawk

01 Oct 2023, 05:41

3

1,427

by: rey1009

24 Oct 2023, 14:03

ER

If x and y are integers and 1 < x < y, what is the value of y ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

13 Mar 2020, 07:43

3

2,703

by: bumpbot

25 Oct 2023, 05:46

ER

What is the value of x?

655-705 (Hard) | Statistics and Sets Problems

655-705 (Hard) | Statistics and Sets Problems hide tags

sje12

15 May 2023, 12:19

13

3

8,117

by: bumpbot

25 Oct 2023, 07:46

ER

The Townville museum was open for 7 consecutive days. If the number of

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

03 Mar 2021, 14:57

2

3

8,086

by: bumpbot

27 Oct 2023, 11:48

ER

N = 2^j3^k, where j and k are positive integers. What is N?

655-705 (Hard) | Exponents, Multiples and Factors

655-705 (Hard) | Exponents, Multiples and Factors hide tags

Bunuel

04 Aug 2021, 07:00

5

3

2,314

by: youcouldsailaway

28 Oct 2023, 00:59

ER

What is the price for a certain meal listed on a menu? (1) The total

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

anairamitch1804

22 Jan 2017, 19:23

12

3

11,985

by: bumpbot

29 Oct 2023, 03:27

ER

What is the probability of randomly choosing a cow out of all the

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

30 Oct 2023, 01:30

3

1,192

by: vanhanguyen267

30 Oct 2023, 10:14

ER

In a certain class, the ratio of left-handed students to right-handed

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

02 Mar 2022, 09:30

3

7,798

by: Engineer1

30 Oct 2023, 19:47

ER

A local restaurant draws a business card from a jar every day. The per

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

Bunuel

04 Dec 2019, 02:44

6

3

3,055

by: bumpbot

31 Oct 2023, 04:53

Is pq > 0? (1) x^2 - px + q = 0 has real and positive roots

705-805 (Hard) | Algebra, Inequalities

705-805 (Hard) | Algebra, Inequalities hide tags

TheUltimateWinner

07 Apr 2019, 08:46

9

3

2,029

by: bumpbot

01 Nov 2023, 01:48

ER

At a used book store, the books are divided into hardcovers, which sel

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

07 Nov 2019, 03:21

1

3

4,638

by: bumpbot

03 Nov 2023, 03:41

ER

How many people are in the queue?

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Vineetk

25 Jun 2013, 04:55

7

3

7,264

by: bumpbot

04 Nov 2023, 08:19

ER

Is there a route from A to C that passes through B and is more than 8

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

24 Oct 2017, 23:51

1

3

4,014

by: bumpbot

05 Nov 2023, 01:46

ER

If z is different from 0, is y greater than zero?

555-605 (Medium) | Algebra, Number Properties

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

Carcass

25 Sep 2022, 10:49

6

3

2,159

by: bumpbot

05 Nov 2023, 02:46

ER

On Thursday afternoon, two machines, J and R, ran continuously at unif

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

Bunuel

29 Mar 2017, 05:00

7

3

2,542

by: bumpbot

06 Nov 2023, 06:29

ER

In PQR above is PQ > RP? (1) x = y (2) y = z

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

GMATBusters

08 Dec 2018, 08:01

13

3

6,678

by: bumpbot

06 Nov 2023, 19:13

ER

Soda concentrate is being added into a soda-making machine in a manufa

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

Bunuel

02 Jun 2018, 13:40

6

3

2,522

by: bumpbot

06 Nov 2023, 23:18