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

183

15

83,586

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of May 2026

1, 2

Bunuel

01 Jan 2026, 05:45

862

24

191,682

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

491,613

by: bb

29 Aug 2025, 13:27

ER

Is x a negative number? (1) x^2 is a positive number (2) x^3 is non-po

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

davidbeckham

01 May 2020, 16:14

11

5

3,988

by: bumpbot

23 Sep 2025, 17:50

ER

What is the remainder when a three-digit integer ABC (where A, B, and

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

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

Bunuel

29 Dec 2020, 01:15

16

5

3,988

by: Guntabulla

13 May 2024, 00:22

ER

In the Figure above, O is the center of a semicircle, and p

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

NateTheGreat11

05 Sep 2013, 10:00

5

3,988

by: bumpbot

11 Aug 2019, 18:55

ER

Is x an integer ?

605-655 (Medium) | Algebra, Number Properties

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

Carcass

23 Jan 2015, 06:48

9

4

3,987

by: bumpbot

17 Feb 2022, 04:23

ER

For integers x and y, is x + y even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

08 Feb 2017, 01:36

10

8

3,986

by: CapnSal

14 Dec 2023, 08:37

ER

What is the value of integer n ? (1) n(n + 1)(n + 2) = 120 (2) n! = 24

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

11 Sep 2017, 00:27

5

6

3,986

by: hardikjain

30 Jun 2020, 10:37

ER

If x is a positive integer, does 6 divide evenly into x?

505-555 (Easy) | Multiples and Factors

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

Bunuel

19 Apr 2016, 03:11

8

6

3,986

by: TestPrepUnlimited

28 Jun 2020, 14:05

ER

The X boys and Y girls in a certain class took a math test.

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

fozzzy

17 Sep 2013, 01:59

3

4

3,986

by: bumpbot

24 Jun 2020, 06:55

ER

If t is an integer, is 3^t a factor of 21!?

605-655 (Medium) | Exponents +2 tags

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

Bunuel

23 Feb 2021, 01:15

8

6

3,985

by: bumpbot

15 May 2022, 11:24

ER

A terminating decimal is defined as a decimal that has a finite number

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

11 Dec 2020, 01:15

10

11

3,984

by: abhishekmayank

17 Dec 2020, 00:45

ER

A fly crawls around the outside of a circle once. A second fly crawls

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

10 Aug 2017, 01:56

2

3,983

by: bumpbot

26 Jan 2020, 03:46

ER

Is xy < 5 ? (1) x is prime and y is the reciprocal of a

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

surendar26

08 Dec 2010, 04:20

2

3,983

by: bumpbot

22 Aug 2017, 03:43

ER

It is known that cuberoot (r) is a positive integer

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

guerrero25

21 Mar 2013, 04:56

10

4

3,982

by: bumpbot

16 Aug 2024, 07:48

ER

If y, z, and b are positive integers greater than 1, what is the value

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

02 May 2016, 22:30

3

4

3,982

by: IanStewart

05 Jun 2021, 06:10

ER

What is the area bounded by the two lines and the co-ordinates axes in

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

Bunuel

02 Apr 2019, 03:40

7

2

3,981

by: bumpbot

06 May 2023, 07:14

Harry is a salesman. Is the time taken by Harry to sell a box of

655-705 (Hard) | Work and Rate Problems

655-705 (Hard) | Work and Rate Problems hide tags

Danny134

30 Apr 2024, 12:59

10

6

3,979

by: Gmat860sanskar

30 Mar 2026, 12:39

ER

If xy ≠ 0, is x/y > 2x/y ? (1) y is positive. (2) xy is positive.

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

13 Mar 2020, 07:40

11

4

3,978

by: bumpbot

03 Aug 2025, 08:20

ER

An arithmetic sequence is a sequence in which each term after the firs

805+ (Hard) | Statistics and Sets Problems

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

Bunuel

25 May 2020, 05:03

9

5

3,978

by: bumpbot

17 Nov 2023, 17:13

ER

At a fair, tickets for rides cost 50 cents each. If Tim spen

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

fozzzy

11 Sep 2013, 05:20

3

8

3,978

by: bumpbot

13 Jan 2018, 01:05

ER

Ted and Rali run one lap on a circular track. Ted runs in a circular

655-705 (Hard) | Distance and Speed Problems +2 tags

655-705 (Hard) | Distance and Speed Problems, Multiples and Factors, Word Problems hide tags

Bunuel

03 Dec 2019, 01:20

16

4

3,976

by: bumpbot

18 May 2025, 08:31

ER

In the figure, ABCD is a square, and OB is a radius of the

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Aragorn2584

03 Jul 2014, 13:04

3

3,976

by: bumpbot

08 Nov 2024, 10:48

ER

What is the units digit of even integer n ?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

15 Jun 2018, 23:44

7

8

3,975

by: bumpbot

10 Jul 2023, 08:53

ER

What is the value of x?

555-605 (Medium) | Roots

555-605 (Medium) | Roots hide tags

skylimit

10 Sep 2015, 12:33

9

8

3,974

by: bumpbot

15 Dec 2025, 04:40

ER

How many students does Professor Garcia currently have in his class?

555-605 (Medium) | Algebra, Arithmetic

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

GloryBoy92

02 Jun 2019, 00:28

7

5

3,974

by: bumpbot

23 Jan 2023, 06:01

ER

Is x > 0 ? (1) x^3 < x^4 (2) x^3 < x^5

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Awli

13 Apr 2015, 10:54

13

6

3,973

by: bumpbot

22 Sep 2023, 19:50

ER

If w + x + y = 42, what is the value of wxy?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

CONSULTINGDREAMER

29 Aug 2015, 01:52

7

11

3,972

by: bumpbot

13 Jun 2024, 20:08

ER

If working together two machines, A and B, can make a certain number

505-555 (Easy) | Work and Rate Problems

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

Bunuel

07 May 2017, 13:50

3

3,972

by: bumpbot

01 Jul 2021, 06:01

ER

The integers x and y are positive, x > y + 8, and y > 8.

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

10 Nov 2021, 09:00

14

3

3,971

by: bumpbot

21 Aug 2025, 07:36

ER

What is the value of 3x^2 + 2x – 1 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

17 Sep 2017, 03:53

1

3

3,970

by: bumpbot

15 Aug 2019, 21:48

ER

If a and b are positive integers, a is what percent of b ?

Sub 505 (Easy) | Percent and Interest Problems

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

Bunuel

06 Dec 2015, 12:03

1

5

3,968

by: MathRevolution

09 Dec 2015, 07:06

ER

If 15 is a factor of p as well as q, is 15 the highest common factor?

705-805 (Hard) | Multiples and Factors

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

buan15

18 Jun 2020, 09:39

22

6

3,966

by: licrolicro

01 May 2025, 14:33

ER

If x is a three-digit number in which the hundreds digit is 1 greater

805+ (Hard) | Arithmetic

805+ (Hard) | Arithmetic hide tags

CAMANISHPARMAR

05 Apr 2020, 06:45

14

4

3,965

by: bumpbot

26 Feb 2022, 06:49

ER -1

GMAT Club Olympics 2025 (Day 4): A rental firm has only two distinct

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

1, 2...5, 6

Bunuel

03 Jul 2025, 08:00

58

102

3,964

by: HarshavardhanR

04 Jul 2025, 08:58

ER

In the given Figure, what is the Area of the Equilateral triangle ABC?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

GMATBusters

29 Sep 2018, 10:24

15

8

3,964

by: bumpbot

02 Aug 2022, 15:56

ER

If x and y are positive integers, is x > y ?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

15 Feb 2018, 23:32

3

6

3,964

by: bumpbot

19 May 2020, 10:39

ER

If K = (1/(3a) + 1/b)/(5/(ab)) and ab ≠ 0, what is the value of K ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

18 Jun 2015, 02:53

5

3

3,963

by: Nunuboy1994

10 Sep 2017, 13:31

ER

If m ≠ -n, is (m – n)/(m + n) > 1? (1) n < -2 (2) m > 1

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

24 Aug 2015, 23:35

7

13

3,962

by: bumpbot

13 Jan 2022, 07:11

ER

When 2 numbers are removed from 1, 3, 5, 7, 9, 11, 13, 15, 17, and 19,

805+ (Hard) | Statistics and Sets Problems

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

Bunuel

04 Jan 2023, 02:30

11

6

3,961

by: KRNSW

27 Aug 2025, 11:14

ER

If x and y are positive integers, is x odd? (1) x*y is a prime number

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

14 May 2018, 01:43

9

7

3,961

by: Bunuel

18 Oct 2021, 11:18

ER

For each day at sea a sailor is paid a fixed sum. For each day ahead

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

24 Oct 2019, 22:28

15

3,961

by: bumpbot

20 Apr 2021, 14:59

ER

Each day, Sergio feeds his cat a 500-gram mixture of Brand X and Brand

555-605 (Medium) | Mixture Problems

555-605 (Medium) | Mixture Problems hide tags

Bunuel

13 Apr 2018, 01:41

4

5

3,960

by: CEdward

08 Jan 2021, 22:24

ER

A set of five distinct positive integers has a median of 3 and a range

705-805 (Hard) | Multiples and Factors +2 tags

705-805 (Hard) | Multiples and Factors, Number Properties, Statistics and Sets Problems hide tags

rakshitsood

05 Jun 2020, 11:34

26

4

3,959

by: bumpbot

27 Mar 2025, 03:25

ER

A positive integer n has the smallest 3 prime number

705-805 (Hard) | Multiples and Factors

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

EgmatQuantExpert

22 Mar 2024, 09:09

20

8

3,959

by: bumpbot

22 Mar 2024, 09:06

ER

If (a*b)*c implies (a + b) is a multiple of c, is [m*(−n)]*12? (1) m

605-655 (Medium) | Multiples and Factors, Remainders

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

CareerGeek

17 Jul 2019, 04:43

5

3

3,959

by: bumpbot

13 Apr 2023, 05:18

ER

If P and Q are positive integers and Q = 10 + 4P, find the GCD of P an

705-805 (Hard) | Multiples and Factors, Number Properties

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

Bunuel

11 Nov 2019, 04:43

23

3

3,956

by: bumpbot

27 Apr 2025, 08:01

ER

Mrs. Brown is dividing 50 students into 3 groups for a class project.

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

15 Jan 2020, 02:20

3

3,955

by: ScottTargetTestPrep

16 Nov 2022, 14:50

ER

What is the remainder when X is divided by 8?

805+ (Hard) | Remainders

805+ (Hard) | Remainders hide tags

Gmanimesh

01 Sep 2022, 04:28

19

5

3,954

by: chetan2u

24 Apr 2024, 04:16

ER

In an endurance race, a car drove the whole race at a constant speed

555-605 (Medium) | Distance and Speed Problems

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

EgmatQuantExpert

27 Feb 2019, 03:04

4

6

3,954

by: bumpbot

06 Aug 2022, 17:04

What is the value of N?

555-605 (Medium) | Number Properties, Statistics and Sets Problems

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

banksy

16 Mar 2011, 09:03

2

4

3,954

by: hdwnkr

24 Dec 2015, 12:02

ER

A certain highway has exits A, B, C, and D in that order. What is the

505-555 (Easy) | Arithmetic

505-555 (Easy) | Arithmetic hide tags

Bunuel

12 Oct 2017, 23:16

2

5

3,953

by: bumpbot

08 Jul 2021, 03:48