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

79,071

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

857

24

188,728

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

488,287

by: bb

29 Aug 2025, 13:27

ER

A shop sells cigars of brand A as well as brand B. Let X be the event

705-805 (Hard) | Overlapping Sets, Probability

705-805 (Hard) | Overlapping Sets, Probability hide tags

amanvermagmat

08 Jan 2019, 22:40

10

3

2,477

by: egmat

10 Feb 2026, 03:14

ER

The cost of each bottle of water is the same and the cost of each

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

14 Mar 2024, 01:30

3

2,477

by: Bunuel

25 Mar 2024, 23:45

ER

Is a positive? (1) |a| = |a - 5| (2) |a| = 2.5

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

Bunuel

24 Nov 2021, 08:00

2

3

2,477

by: iamcabbage

09 Dec 2021, 01:02

ER

On a recent trip, Pat drove 10 miles. What Pat's average speed?

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

Bunuel

15 Aug 2019, 01:01

1

4

2,477

by: Bunuel

12 Sep 2019, 02:20

ER

What percent of the female residents of a particular county own a driv

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

15 Aug 2019, 00:51

3

2,477

by: Bunuel

12 Sep 2019, 01:49

ER

If x, y and z are positive integers, is it true that x^2 is divisible

705-805 (Hard) | Multiples and Factors

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

Bunuel

19 Jan 2023, 02:30

9

13

2,478

by: bumpbot

27 Feb 2025, 00:53

ER

If x, y and z are positive single-digit integers and x^y = z. What is

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Nikkb

19 Sep 2017, 02:16

7

6

2,478

by: bumpbot

16 Aug 2024, 07:50

ER

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

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

10 Jan 2017, 03:55

2

5

2,478

by: bumpbot

10 Jun 2019, 22:05

ER

The total cost to plough a field consists of a fixed charge(F) and var

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

29 Dec 2021, 08:00

2

2,479

by: bumpbot

17 Jun 2024, 03:01

ER

All the terms of a certain sequence x_1,x_2, ..., x_n

705-805 (Hard) | Sequences

705-805 (Hard) | Sequences hide tags

Bunuel

30 Nov 2022, 09:45

4

3

2,479

by: bumpbot

28 May 2024, 16:31

ER

In the diagram below, P = g + c − e and Q = a + f . What is the value

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

17 Jul 2017, 23:28

2

6

2,479

by: Shobhit7

25 Jul 2017, 01:34

ER

A firm has two production choices. It could sell Q3 posters at a price

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

11 Nov 2019, 04:10

5

2

2,480

by: bumpbot

26 Feb 2026, 04:58

A solid rectangular block is made up of iron. If the iron weighs 25 gr

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

ktzsikka

05 Feb 2022, 05:56

9

2

2,480

by: vaibhav1221

25 Apr 2022, 00:40

ER

Is Hector taller than Charley? (1) Hector is 5 feet 7 inches tall.

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

16 Mar 2022, 03:00

1

2,480

by: neon1master

16 Mar 2022, 03:15

ER

Is the range of the set of numbers {j, k, l, m,n, p} greater than 5?

555-605 (Medium) | Statistics and Sets Problems

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

HKD1710

15 Jan 2017, 08:02

8

2

2,480

by: bumpbot

26 Jul 2021, 22:32

ER

Are the integers p, q, r in an arithmetic progression? (1) q = p*r

Poor Quality

Poor Quality hide tags

amanvermagmat

17 Jan 2019, 22:05

7

4

2,481

by: Bunuel

02 Jun 2025, 03:13

ER

The price per share of stock A increased by 25 percent during the same

555-605 (Medium) | Percent and Interest Problems, Word Problems

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

Bunuel

03 Apr 2024, 01:30

5

2

2,481

by: Nidzo

03 Apr 2024, 05:21

ER

If y is an integer, is y <= -1?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

chetan2u

30 Jan 2021, 23:44

3

6

2,481

by: chetan2u

30 Aug 2021, 19:16

ER

If ab = -9, what is the value of ab(a + b)?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

09 Dec 2019, 01:04

4

2,481

by: ShankSouljaBoi

12 Jan 2020, 08:02

ER

Are there more girls than boys at a school?

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

Bunuel

17 Nov 2023, 07:15

1

5

2,482

by: Bunuel

29 Dec 2024, 03:29

ER

What is the average weight of all the students in the class?

555-605 (Medium) | Fractions and Ratios, Statistics and Sets Problems

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

Bunuel

30 Nov 2022, 02:30

3

2,482

by: AritraKundu

13 Jul 2023, 21:34

ER

Is X positive? (1) 15X > 16X (2) X + 15 > 0

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

31 Jul 2019, 10:13

1

5

2,482

by: Kinshook

31 Jul 2019, 10:37

ER

In a certain card game, the winning hand is the one where

555-605 (Medium) | Statistics and Sets Problems

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

iwillcrackgmat

03 Jun 2017, 17:37

1

3

2,482

by: Bunuel

03 Jun 2017, 17:38

ER

If a^2 = b, is 1 > a > 0? (1) 1 > b > 0 (2) a > b

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

20 Mar 2022, 02:56

3

2,483

by: bumpbot

01 Apr 2025, 07:25

ER

Is x closer to 30 than to 60 ? (1) 38 − x > x − 32 (2) |x − 45| < 15

555-605 (Medium) | Absolute Values, Inequalities

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

Bunuel

09 Jun 2021, 02:00

2

4

2,483

by: Showmeyaa

10 Aug 2021, 11:25

ER

Until this coming April, the price of all Albanian products will equal

655-705 (Hard) | Percent and Interest Problems

655-705 (Hard) | Percent and Interest Problems hide tags

DisciplinedPrep

26 Aug 2020, 23:32

9

3

2,484

by: IanStewart

17 Sep 2025, 08:11

ER

In the figure above, what is the area of triangle ABD?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

04 Aug 2021, 06:30

6

2,484

by: bumpbot

07 Jul 2023, 05:59

ER

S is a sequence such that when x is in S, -x is in S, and when x and y

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

Bunuel

22 Apr 2020, 04:36

3

7

2,484

by: golfwhiskey

20 Mar 2022, 03:48

x is a two-digit positive integer. y is obtained by multiplying the te

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

gmatophobia

06 Feb 2022, 13:23

6

3

2,486

by: gmatophobia

18 May 2024, 23:31

ER

If x is a non-negative integer then find x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

GMATinsight

17 Oct 2016, 04:51

3

2

2,486

by: bumpbot

07 Jan 2024, 14:48

ER

What is the median number of audience members attending a showing of a

555-605 (Medium) | Statistics and Sets Problems

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

EMPOWERgmatRichC

03 Oct 2019, 11:43

7

6

2,487

by: bumpbot

18 Jul 2024, 08:59

ER

What is the ratio of the area of quadrilateral BCDE to the area of tri

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

06 Sep 2022, 01:34

2

2,487

by: SaquibHGMATWhiz

08 Sep 2022, 05:23

ER

In the equation X^2+bX+12=0

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

evgeniailyina2018

14 Jun 2020, 01:00

6

4

2,488

by: obahr

22 Mar 2023, 04:32

ER

Is xy < 0 ? (1) (y − n)/(x - (n + 1)) = 1 (2) x(x - 1) < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

11 Aug 2021, 02:00

9

7

2,488

by: bumpbot

27 Jan 2023, 05:58

ER

If the digit h is the hundredths’ digit in the decimal number n = 0.3h

555-605 (Medium) | Fractions and Ratios, Inequalities

555-605 (Medium) | Fractions and Ratios, Inequalities hide tags

Bunuel

26 Sep 2018, 05:34

3

5

2,488

by: bumpbot

24 Dec 2019, 02:34

ER

A company X has offices in four locations A, B, C and D. The figure

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

21 May 2020, 03:47

7

5

2,489

by: sambitspm

21 May 2020, 21:06

ER

Is k + k < k?

Poor Quality

Poor Quality hide tags

RockySinha

03 Oct 2017, 11:47

2

1

2,489

by: Bunuel

03 Oct 2017, 11:55

ER

Is n prime?

555-605 (Medium) | Algebra, Number Properties

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

Bunuel

21 May 2017, 11:32

2

5

2,489

by: Kritesh

22 May 2017, 10:33

ER

Two players are to be selected from a football team which consists of

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

souvonik2k

29 Oct 2017, 10:12

9

3

2,490

by: IanStewart

27 Jul 2019, 09:47

ER

With the exception of Q the books P Q R and S

655-705 (Hard) | Non-Math Related

655-705 (Hard) | Non-Math Related hide tags

Akshat_verma_25

17 Dec 2025, 03:36

23

8

2,491

by: egmat

13 Feb 2026, 02:21

ER

a, b, and c are 3 integers such that a < b < c. Is the sum of

605-655 (Medium) | Inequalities, Number Properties

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

TheUltimateWinner

09 Jun 2019, 09:32

5

2,491

by: Bunuel

08 Nov 2023, 11:36

ER

If x is an integer, is (x + p)(x + q) an even integer? (1) q is an eve

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

17 Nov 2020, 01:15

9

8

2,491

by: bumpbot

23 Sep 2023, 10:24

ER

If ab is two digit positive integer, what is remainder of 8^(ab) divid

655-705 (Hard) | Exponents, Remainders

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

Bunuel

10 Dec 2019, 00:38

14

7

2,491

by: Archit3110

10 Dec 2019, 19:41

ER

Is the integer n even ? (1) n^2 - 1 is odd (2) n^(1/2) is an integer

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

15 Oct 2022, 08:01

2

3

2,492

by: devarpanc

19 Oct 2024, 05:07

ER

If k is a prime number, what is the value of k?

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

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

Bunuel

25 Apr 2018, 23:31

3

2,492

by: KSBGC

26 Apr 2018, 05:22

ER

If z < 1 what is the tenths digit of z?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

PP777

06 May 2018, 06:33

14

4

2,493

by: bumpbot

01 Dec 2024, 20:00

ER

If sides of a quadrilateral X are integers, then is X a square?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

11 Jun 2020, 02:55

14

6

2,493

by: bumpbot

20 Jun 2021, 04:15

ER

Is x < 45^{45}? 1) x < 45! 2) x <67!/22!

555-605 (Medium) | Exponents, Inequalities

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

Russ19

06 Dec 2021, 06:01

21

6

2,494

by: IanStewart

08 Mar 2022, 10:19

ER

If AB = 2AD. What is the area of rectangle ABCD?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

08 Jul 2021, 01:30

6

4

2,494

by: penco

08 Jul 2021, 05:38

ER

What is the total area of the figure, if the area of the shaded region

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

05 Sep 2018, 23:38

4

7

2,494

by: bumpbot

08 May 2021, 10:55