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

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16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of March 2026

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Bunuel

01 Jan 2026, 05:45

856

24

188,555

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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

487,988

by: bb

29 Aug 2025, 13:27

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Is k! a factor of n! ? (1) The greatest prime factor of k! is 5.

505-555 (Easy) | Multiples and Factors

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

Bunuel

23 Sep 2022, 07:12

2

1

1,264

by: Aks111

23 Sep 2022, 10:23

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If the length of Yoel's telephone call was rounded up to the nearest

555-605 (Medium) | Word Problems

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Bunuel

14 Jul 2021, 06:30

2

1

1,263

by: Nitisha03

17 Jul 2021, 11:04

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Is x an odd integer? (1) x - y = odd (2) x + y = even

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

gmatophobia

10 Apr 2022, 13:09

6

1

1,263

by: Bunuel

11 Apr 2022, 00:29

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If a, b, x and y are distinct single digit positive integers, is the u

655-705 (Hard) | Multiples and Factors, Number Properties

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

Bunuel

18 Jan 2023, 11:15

3

1,263

by: SaquibHGMATWhiz

19 Jan 2023, 02:03

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If a > 0, is a > 1? (1) a*b > a + b (2) a/b > b/a

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

TheUltimateWinner

17 Mar 2019, 08:43

1

1,262

by: IanStewart

17 Mar 2019, 12:20

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a,b,x, and y are integers such that xayb=441. What is the value of x?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

TheUltimateWinner

30 Apr 2019, 15:33

4

1,262

by: TheUltimateWinner

30 Apr 2019, 15:31

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x and y are both non-zero integers. Are x and y both less than

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nick1816

21 May 2019, 03:41

3

1,262

by: nick1816

22 May 2019, 09:28

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If P is a positive integer, is p^4 + 7 an odd number? (1) P is

505-555 (Easy) | Exponents, Number Properties

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

Carcass

24 Jan 2022, 07:12

2

1

1,262

by: chetan2u

24 Jan 2022, 08:52

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Right triangle ABC is constructed on semicircle BCED, as shown above.

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

09 Sep 2022, 04:50

2

1

1,262

by: $!vakumar.m

11 Sep 2022, 03:25

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How many members of both Spanish club and French club are female?

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

15 Mar 2023, 01:30

1

1,262

by: $!vakumar.m

16 Mar 2023, 04:52

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There are 50 people in Company X. If 12 of the people quit, how many

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

23 Feb 2024, 02:30

6

4

1,262

by: LamboWalker

25 Feb 2024, 09:48

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At Company K, how many people make up the sales force?

Sub 505 (Easy) | Percent and Interest Problems

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

Bunuel

18 Oct 2024, 01:30

4

2

1,262

by: Abdelaali91

18 Oct 2024, 06:15

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For integers w, x, y, and z, is wxyz = -1?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

29 Jun 2022, 06:00

1

1,261

by: JerryAtDreamScore

02 Jul 2022, 06:45

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What is the fifth number in a particular series of numbers, if the ten

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

Bunuel

03 Aug 2022, 09:30

1

1,261

by: GMATinsight

03 Aug 2022, 09:45

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A line passes through (1,p), is its slope greater than 0?

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bunuel

16 Jan 2023, 10:32

1

3

1,261

by: gmatophobia

17 Jan 2023, 01:58

If n is a positive integer, what is the value of n?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

OmkarSheth008

07 Jul 2023, 10:44

3

4

1,261

by: Akshay97

08 Jul 2023, 10:19

ER

From July 1 to July 31 in the same year, the water remaining in a rese

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

01 Jan 2021, 09:15

1

2

1,260

by: noobieTopro

06 Jan 2021, 02:47

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Is t^(1/2) an even integer? (1) t is equal to m^2. (2) m is an even in

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

10 Dec 2017, 01:09

1

1,259

by: niks18

10 Dec 2017, 03:46

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

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

20 Nov 2023, 02:23

4

1

1,259

by: stne

25 Nov 2023, 16:04

ER

The running times of students in a 100-meter race are represented by 6

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

03 Jan 2024, 02:30

1

1,259

by: Maheshkv

03 Jan 2024, 09:46

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Is a+b > 2?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

QuantMadeEasy

30 Jan 2020, 02:02

1

1,258

by: GMATinsight

30 Jan 2020, 03:55

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If m and n are positive integers, what is the value of m + n?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

30 Jun 2023, 06:00

2

3

1,258

by: gasoline

01 Jul 2023, 02:22

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If a and b are positive integers, is a*b^4 a multiple of 2 ?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

19 Sep 2022, 05:12

1

3

1,258

by: bumpbot

08 Jan 2024, 20:29

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If n is a positive integer, is (1^2 + 2^2 + ... + n^2) - (1 + 2 +..+n)

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

Bunuel

17 Jan 2024, 02:30

4

1

1,258

by: chetan2u

18 Jan 2024, 05:55

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A car starts from one end of a highway and travels towards the other

505-555 (Easy) | Distance and Speed Problems

505-555 (Easy) | Distance and Speed Problems hide tags

Bunuel

01 Jul 2024, 01:30

7

1

1,258

by: Nidzo

01 Jul 2024, 05:34

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Is n even? 1) 2/n is a non-terminating decimal 2) 3/n is a terminatin

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

GMATinsight

28 Feb 2021, 01:58

2

1,257

by: Archit3110

01 Mar 2021, 01:37

ER

The 250 students enrolled ABC university are taking undergraduate cour

505-555 (Easy) | Overlapping Sets

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Bunuel

08 Dec 2021, 04:30

3

1

1,257

by: JerryAtDreamScore

16 Dec 2021, 12:22

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On a certain website an average of 5000 videos were uploaded daily in

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

12 Jan 2022, 10:00

2

1,256

by: hientranzx

16 Jan 2022, 00:29

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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

1,256

by: Sushil117

09 May 2022, 09:57

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Jerry took a total of 10 tests, some in June and some in July last

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

04 Nov 2024, 01:45

4

1

1,256

by: cdrectenwald

04 Nov 2024, 06:23

ER

A survey was conducted to find out how many TV show viewers voted for

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

28 Nov 2024, 01:30

2

1,256

by: 7seven7

01 Dec 2024, 11:14

ER

If the total price for n copies of a book is $31.50, what is the price

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

16 Sep 2024, 01:30

1

1,255

by: Krunaal

16 Sep 2024, 15:52

ER

What is the price of mangoes per kg?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

30 Jan 2025, 01:30

3

4

1,255

by: Tishaagarwal13

30 Jan 2025, 22:46

Given a, b, and c are positive, is a + b + c = 3 ?

555-605 (Medium) | Algebra, Number Properties

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

TheUltimateWinner

06 Apr 2021, 10:13

3

1,254

by: Sarthak94

06 Apr 2021, 11:50

What is the value of x? (1) 3√x=−2 (2) x2=64

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

SalahT

03 Aug 2021, 07:46

1

1,254

by: bansalgaurav

03 Aug 2021, 07:51

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Is n > 5? (1) The median of the set {2, 1, 5, 8, n} is greater than

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

12 Apr 2022, 01:30

1

3

1,254

by: Boho

12 Apr 2022, 05:29

ER

A card is randomly drawn from a standard pack of 52 cards without

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

Bunuel

08 Jan 2025, 01:30

6

5

1,254

by: TrapKat69

08 Jan 2025, 12:53

ER

What is the probability that a student randomly selected from a class

555-605 (Medium) | Probability

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Bunuel

07 Jan 2025, 01:30

3

2

1,254

by: Bunuel

08 Dec 2025, 23:11

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If 5x + 3y – 4 = 3x + y, what is x ? (1) y^2 = 1 (2) x + y = 2

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

30 Oct 2019, 23:22

1

1,253

by: rocky620

30 Oct 2019, 23:38

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Did airline M mishandle at least 50,000 bags last year ?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

15 Sep 2020, 04:15

2

1,253

by: Akp880

15 Sep 2020, 08:48

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If x is an integer greater than 1, is 48 divisible by x − 1?

605-655 (Medium) | Multiples and Factors

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

Bunuel

02 May 2021, 03:15

3

4

1,253

by: Showmeyaa

02 May 2021, 07:34

ER

At John's party, the only beverages served were red wine and white win

505-555 (Easy) | Overlapping Sets

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Bunuel

05 May 2021, 02:00

1

1,253

by: MarmikUpadhyay

05 May 2021, 22:26

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Is a + b positive? (1) The point (a, b) is in Quadrant II (2) a b >0

555-605 (Medium) | Absolute Values +2 tags

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

Bunuel

09 Jun 2022, 01:30

1

1,253

by: zhanbo

09 Jun 2022, 01:55

For a certain set of n numbers, where n > 2, is the average (arithmeti

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

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

Carcass

21 Sep 2022, 04:33

4

2

1,253

by: vivek920368

11 Oct 2022, 11:48

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Is x^3*y^2*z > 0 ? (1) x*y*z > 0 (2) x*y^2 > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

10 Nov 2022, 10:11

1

1,253

by: harshittahuja

10 Nov 2022, 12:40

ER

If a, b, c, d, and e are consecutive integers in increasing order

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

06 Dec 2023, 02:30

1

1,253

by: BrushMyQuant

06 Dec 2023, 09:26

ER

What is the area of the triangle inside the shown circle with center O

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

09 Sep 2018, 08:53

1

1,252

by: sushforgmat

11 Sep 2018, 12:09

ER

What is n ? (1) n = 25^(1/2) (2) n^2 = 25

505-555 (Easy) | Algebra, Number Properties

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

Bunuel

19 Nov 2018, 00:12

1

2

1,252

by: DavidTutorexamPAL

20 Nov 2018, 02:23

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Please see the number line above, is the product of w, x, y, and z neg

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

GMATBusters

16 Dec 2018, 02:35

2

1,252

by: Ritwick91

16 Dec 2018, 20:59

ER

If K = (r/3)/((p + 2)/(p^2 - 2p - r^2)), what is the value of K ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

05 Mar 2019, 05:09

2

1,252

by: Archit3110

05 Mar 2019, 10:38