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

78,718

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

856

24

188,529

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

487,940

by: bb

29 Aug 2025, 13:27

ER

If k is a positive integer, how many different prime factors does k ha

555-605 (Medium) | Multiples and Factors, Number Properties

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

Bunuel

21 Apr 2023, 01:30

1

1,210

by: hinasingh

21 Apr 2023, 11:38

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What is the value of x + y + z? (1) y + z = 2x (2) 1⁄x + 1⁄y + 1⁄z =4/

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

29 Oct 2019, 02:11

3

1

1,209

by: chetan2u

29 Oct 2019, 05:15

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John, Aditi, and Karim are all stamp collectors. What is the ratio of

505-555 (Easy) | Fractions and Ratios

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

Bunuel

13 Apr 2022, 02:00

1

1,209

by: thkkrpratik

13 Apr 2022, 02:29

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Is x > x^2? (1) x > x^2 (2) 1/x > |x|

555-605 (Medium) | Absolute Values, Inequalities

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

GMATinsight

12 Sep 2022, 04:02

3

1,209

by: chetan2u

12 Sep 2022, 07:38

ER

How many specially priced boxes of soap powder did a supermarket sell

605-655 (Medium) | Percent and Interest Problems

605-655 (Medium) | Percent and Interest Problems hide tags

Bunuel

26 Sep 2024, 01:30

3

1

1,209

by: Abdelaali91

26 Sep 2024, 09:38

ER

If the area of the right triangle shown is 24, what is the value of c?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

13 Apr 2018, 01:37

1

1,208

by: Gladiator59

13 Apr 2018, 01:43

ER

In the sequence above, each term is the product of the previous term a

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

08 May 2019, 02:03

1

1,208

by: Archit3110

08 May 2019, 02:57

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If x + y + z = 6 and y = 1, then what is x? (1) x – z = 1 (2) z = 2

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

11 Jul 2019, 23:58

3

1,208

by: Prasannathawait

12 Jul 2019, 05:38

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What is the value of x − 3z?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

01 Dec 2021, 05:45

1

1,208

by: Showmeyaa

01 Dec 2021, 13:30

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If A and B denote the digits of a three-digit number BAB, is BAB divis

655-705 (Hard) | Multiples and Factors

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

Bunuel

08 Jun 2022, 08:00

2

1

1,208

by: JerryAtDreamScore

08 Jun 2022, 11:24

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If x + 2y = 6, what is the value of x ? (1) 2x + y = 9

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

11 Oct 2022, 01:30

1

1,208

by: gmatprepper94111

13 Oct 2022, 00:17

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Is 3x - y < x^2? (1) x > 3 (2) y > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

21 Feb 2023, 02:30

4

2

1,208

by: $!vakumar.m

21 Feb 2023, 04:32

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If s denoted the number of terms in set S in which no term is zero. Is

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

13 Jun 2023, 01:30

2

3

1,208

by: zhanbo

14 Jun 2023, 00:51

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What is the perimeter of right triangle ABC? (1) AB = 11 (2) AC = 11

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

03 Jul 2023, 01:30

2

1,208

by: JAAX7

03 Jul 2023, 07:50

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When a positive integer n is divided by 4, what is the remainder?

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

Bunuel

19 Jun 2023, 04:00

3

1

1,208

by: $!vakumar.m

08 Jul 2023, 10:57

ER

Franklins wage increased by what percent? (1) Franklins wage after

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

01 Mar 2024, 02:30

2

1

1,208

by: jack5397

01 Mar 2024, 05:29

ER

If Rebecca made $60,000 last year after taxes and put all of this

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

05 Dec 2024, 01:30

3

1,208

by: jozie

06 Dec 2024, 21:05

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Is a + b = a^2 + b^2? (1) a and b are natural numbers. (2) a > b

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

SukhAgam

26 Feb 2025, 21:21

2

3

1,208

by: Kinshook

28 Feb 2025, 01:22

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A rectangle with its two sides as 'x' and 'y' units respectively is

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

amanvermagmat

21 Jul 2018, 22:02

3

1,207

by: Nikhil

21 Jul 2018, 22:56

ER

If n is a positive integer, what is the remainder when n is divided by

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

04 Jan 2023, 02:30

1

1,207

by: gmatophobia

04 Jan 2023, 02:47

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What is the value of |x1|? (1) (x+1)^2 = 16 (2) (x1)^2 = 36

605-655 (Medium) | Absolute Values, Algebra

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

Bunuel

23 Feb 2023, 02:30

4

2

1,207

by: $!vakumar.m

23 Feb 2023, 06:43

ER

If |x| > |y|, is |x + y| = |x| - |y| ? (1) xy < 0 (2) x > 0

605-655 (Medium) | Absolute Values, Inequalities

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

Bunuel

17 Nov 2023, 06:53

3

1

1,207

by: stne

22 Nov 2023, 14:42

ER

Is the average age of a class of 60 students more than 30 years?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

26 Aug 2024, 01:30

2

1,207

by: A.

26 Aug 2024, 07:39

ER

Is integer x odd?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

QuantMadeEasy

03 Feb 2020, 01:00

1

1,206

by: Bunuel

03 Feb 2020, 01:04

ER

What is the value of x^2 + y^2 + xy ?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

29 Nov 2022, 02:30

3

2

1,206

by: gmatophobia

29 Nov 2022, 03:03

ER

If x and y are integers, does 2xy = x^2+y^2 ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

06 Mar 2023, 02:30

1

1,206

by: bv8562

08 Mar 2023, 05:52

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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

When positive integer n is divided by 7, the remainder is 2. What is

555-605 (Medium) | Multiples and Factors

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

Bunuel

26 Apr 2022, 01:30

5

1

1,205

by: zhanbo

26 Apr 2022, 03:46

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If x, y, and z are positive integers, is xy divisible by z ?

605-655 (Medium) | Multiples and Factors

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

Bunuel

12 Sep 2022, 16:30

1

1,205

by: gmatophobia

12 Sep 2022, 21:49

ER

If x and y are positive integers and y*2^x = 24, what is the value of

605-655 (Medium) | Exponents, Number Properties

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

Bunuel

03 Jan 2023, 02:30

4

2

1,205

by: gmatophobia

03 Jan 2023, 07:21

ER

John accidentally dropped a tray containing two glass bowls. The proba

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

05 Aug 2024, 08:45

1

2

1,205

by: bumpbot

10 Sep 2025, 11:44

If A and B are non-negative integers, what is the value of 10*A + 20*B

555-605 (Medium) | Inequalities, Number Properties

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

amanvermagmat

07 May 2018, 23:00

3

2

1,204

by: push12345

23 May 2018, 08:08

ER

In the quadrilateral above, what is the measure of angle x?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

12 Sep 2018, 00:11

3

1

1,204

by: CounterSniper

12 Sep 2018, 09:06

ER

Is X an even integer ?

Poor Quality

Poor Quality hide tags

AnisMURR

12 Oct 2020, 10:58

4

5

1,204

by: VoltAmpere

15 Oct 2020, 17:49

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What is the slope of a line L appearing on the xy-plane? (1) Line L

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

08 Jun 2022, 05:00

1

1,204

by: rsama

08 Jun 2022, 05:31

ER

If xyz = tyz, is x = t ? (1) x = 0 (2) y 0

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

21 Jun 2022, 01:30

3

1,204

by: ManojHarsha

21 Jun 2022, 22:38

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 k is a positive integer, is k a multiple of 3 ?

555-605 (Medium) | Multiples and Factors

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

Bunuel

18 Nov 2022, 03:38

1

1,204

by: gmatophobia

18 Nov 2022, 06:52

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If n and k are a positive integer, what is the remainder when 3^(4n +

555-605 (Medium) | Exponents, Remainders

555-605 (Medium) | Exponents, Remainders hide tags

Bunuel

22 Nov 2022, 02:30

6

3

1,204

by: SaquibHGMATWhiz

22 Nov 2022, 07:46

ER

If p and q are integers, then what is the units digit of 155^9q +

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

gmatophobia

17 Dec 2022, 13:26

1

2

1,204

by: TheBipedalHorse

20 Dec 2022, 12:02

ER

If N is a positive integer greater than 1, what is the value of N?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

18 Aug 2023, 01:30

3

2

1,204

by: sanchitb23

18 Aug 2023, 10:37

ER

What is the area of the rectangle ABCD? (1) BD = 5 (2) AC = 5/3*BC

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

07 Sep 2018, 00:47

2

1,203

by: souvonik2k

08 Sep 2018, 11:41

ER

If P is the midpoint of NR, and lines OP and QR are parallel, what is

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

12 Sep 2018, 00:42

1

2

1,203

by: abhinav770

12 Sep 2018, 08:37

ER

Give the arithmetic mean of A and B.

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

31 Jan 2019, 01:37

1

2

1,203

by: EgmatQuantExpert

31 Jan 2019, 07:31

We are given a decimal number P = 12.abc where a, b, and c are the ten

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

happypuppy

14 Jan 2022, 10:21

3

1,203

by: hientranzx

16 Jan 2022, 00:46

ER

How many 360-degree rotations did a bicycle wheel make while rolling

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

26 Dec 2022, 02:30

2

1

1,203

by: gmatophobia

26 Dec 2022, 08:24

ER

If xy 0, what is the ratio of y to x? (1) y = 3x (2) x = 11

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

16 Mar 2022, 02:30

1

1,202

by: Sr1994

16 Mar 2022, 03:07

ER

If m and n are integers, is km + n > 0? (1) k < 0 (2) km n < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

26 Sep 2022, 01:30

1

2

1,202

by: darunp

29 Sep 2022, 00:02

ER

A marble is selected at random from a box of red, yellow, and blue

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

17 Nov 2022, 02:30

1

1,202

by: gmatophobia

17 Nov 2022, 13:08

ER

All of the students in a certain class took a test consisting of 20

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

04 Mar 2025, 01:30

5

4

1,202

by: GMATinsight

30 Jun 2025, 03:05