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

183

15

83,638

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of May 2026

1, 2

Bunuel

01 Jan 2026, 05:45

862

24

191,718

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

491,681

by: bb

29 Aug 2025, 13:27

ER

Is X/Y an integer, if X and Y are integers.

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

chetan2u

12 Apr 2016, 10:56

13

7

3,424

by: Bunuel

01 Oct 2025, 00:02

ER

If a and b are two distinct positive integers, what is the remainder

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

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

Bunuel

05 Jan 2022, 04:00

14

4

3,424

by: bumpbot

07 Oct 2023, 12:04

ER

What will be the value of a/b ? Given that a and b are

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

gmihir

19 May 2012, 08:56

6

4

3,424

by: bumpbot

14 Sep 2020, 21:56

If a, b, c, d are integers. Is standard deviation of a, b, c, d same

555-605 (Medium) | Statistics and Sets Problems

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

ganand

27 Mar 2017, 07:00

3

1

3,424

by: amanvermagmat

15 Jan 2018, 23:33

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What is the value of |x| + |y| + xy, where x and y are integers?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

chetan2u

02 Jun 2016, 21:36

12

4

3,423

by: bumpbot

08 Aug 2019, 13:49

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If x > 0, y > 0, and a ≠ y, is (x − a)/(y − a) < x/y ?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

Bunuel

06 Oct 2021, 06:30

12

4

3,422

by: bumpbot

23 Aug 2025, 04:41

ER

Otto and his wife, Anna, leave home at 1 p.m. and bicycle in different

Sub 505 (Easy) | Distance and Speed Problems

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

Bunuel

22 Jan 2016, 10:28

1

3

3,422

by: bumpbot

12 Dec 2023, 05:09

ER

Is x an odd integer?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

28 May 2017, 02:02

1

4

3,422

by: TheMechanic

29 May 2017, 09:00

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What is the standard deviation of set M? (1) Set M contains 17 terms.

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

18 Mar 2022, 01:30

15

2

3,421

by: bumpbot

26 Nov 2025, 08:46

ER

Set S has 5 numbers such that its average (arithmetic mean) is greater

705-805 (Hard) | Statistics and Sets Problems

705-805 (Hard) | Statistics and Sets Problems hide tags

BillyZ

21 Feb 2017, 19:20

8

3

3,420

by: bumpbot

14 May 2025, 16:26

ER

A group of more than 2 people share an amount of money equally

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

shridhar786

12 Jul 2019, 04:34

11

3

3,420

by: bumpbot

01 Oct 2024, 21:16

ER

Out of a jar that is filled with quarters, nickels and dimes, k coins

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

ich

09 Dec 2017, 04:28

5

7

3,420

by: bumpbot

09 Dec 2023, 01:20

ER

In the x-y plane, did y=ax2+bx+c intersect with x-axis?

605-655 (Medium) | Functions and Custom Characters

605-655 (Medium) | Functions and Custom Characters hide tags

MathRevolution

02 May 2016, 23:16

10

2

3,419

by: MathRevolution

04 May 2016, 21:53

ER

A truck driver wants to load as many identical cylindrical canisters

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

30 Aug 2016, 05:13

11

6

3,417

by: bumpbot

01 Oct 2023, 09:25

ER

What is the total number of employees in the personnel and data proces

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

13 Jul 2023, 23:50

5

3,417

by: amishag

13 Jul 2023, 18:24

Integers a and b are such that a - b > 0. Is |a| > |b| ?

705-805 (Hard) | Absolute Values, Inequalities

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

alphonsa

12 Aug 2014, 07:47

7

4

3,417

by: Archit3110

05 Mar 2019, 12:07

ER

12 Days of Christmas GMAT Competition - Day 8: A certain five-letter

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

1, 2, 3

Bunuel

25 Dec 2024, 09:00

56

59

3,416

by: bumpbot

08 Jun 2026, 03:20

ER

What is the maximum number of sheep that Ruben's pen will hold?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

14 Nov 2014, 09:56

5

4

3,416

by: bumpbot

02 Oct 2020, 02:35

ER

If x + 3y − 3 = 0, what is the value of x?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

14 Feb 2016, 03:03

3

3,416

by: rhine29388

17 May 2016, 15:01

ER

A certain x-liter solution, contains twice as much water as oil and fo

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

04 Apr 2017, 04:39

5

6

3,415

by: bumpbot

18 May 2025, 11:28

ER

Is x > 1? (1) |x − 4| < −2x + 3 (2) |x − 4| > |x + 4|

805+ (Hard) | Absolute Values, Inequalities

805+ (Hard) | Absolute Values, Inequalities hide tags

Bunuel

01 Dec 2021, 03:00

9

6

3,415

by: HoudaSR

18 Jun 2023, 08:50

ER

If x > 1, is [m][square_root]{3x}[/square_root][/m] an integer? (a) s

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Hoozan

23 Mar 2021, 05:12

7

5

3,415

by: bumpbot

16 Jan 2023, 23:39

In a sequence S, each term, after the first term, is obtained by

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

TBT

15 Feb 2023, 21:36

11

3

3,414

by: bumpbot

13 May 2026, 10:01

ER

Every day Guy takes the same N sandwiches to work. Guy takes to work

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

03 Jun 2021, 01:30

10

6

3,414

by: bumpbot

06 Sep 2024, 11:25

ER

A box contains some pens, which are either fountain pens or ball pens.

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

05 Jan 2022, 06:00

10

3

3,413

by: bumpbot

15 Mar 2026, 09:02

ER

If |2x| = |3y|, what is the value of |2x + 3y|?

705-805 (Hard) | Absolute Values, Algebra

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

BrentGMATPrepNow

29 Sep 2022, 10:33

15

4

3,413

by: bumpbot

18 Mar 2025, 05:23

ER

What is the value of x/2 ? (1) x is 1/5 less than 9/10 (2) x is

Sub 505 (Easy) | Arithmetic

Sub 505 (Easy) | Arithmetic hide tags

Bunuel

23 Sep 2022, 01:30

2

3,412

by: bumpbot

22 Feb 2025, 03:36

ER

If the three lines above all intersect at exactly one point, what is

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

23 May 2018, 22:46

6

4

3,412

by: bumpbot

16 Apr 2023, 04:24

ER

Is the area of the triangle drawn in circle A greater than π?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

13 Sep 2018, 05:04

9

7

3,411

by: bumpbot

26 Jan 2021, 22:03

ER

If p and q are non-negative, is p + q > pq? (1) p = q (2) p + q > p^2

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

rajthakkar

14 Jan 2020, 23:06

4

3,411

by: Bunuel

14 Jan 2020, 23:07

ER

Kelly's raise increased his salary by what percent ?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

19 Sep 2022, 03:24

6

2

3,410

by: RICHA1189

20 Mar 2023, 10:48

ER

How many prime factors does N have?

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

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

piyush26

29 Oct 2018, 21:47

15

8

3,410

by: gmatexam439

02 Nov 2018, 04:12

Is x^3-6x^2+11x-60?

Poor Quality

Poor Quality hide tags

Sergiy

18 Apr 2013, 04:19

4

3,409

by: Sergiy

22 Apr 2013, 23:35

ER

How many 5 existed in the 11 numbers?

505-555 (Easy) | Statistics and Sets Problems

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

MathRevolution

26 Jul 2016, 18:34

4

12

3,408

by: bumpbot

31 Oct 2019, 09:47

ER

A typist typed complete pages of several books in a day. If he typed

655-705 (Hard) | Work and Rate Problems

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

Bunuel

06 Aug 2024, 01:30

19

7

3,406

by: Adit_

22 Apr 2026, 06:00

ER

If two ballet classes have 15 children each

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

Caroline1606

15 Apr 2019, 07:00

1

2

3,406

by: BrentGMATPrepNow

20 Apr 2020, 09:44

ER

In the figure above, if the length of MO is 10, is MNO an equilateral

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

05 Nov 2021, 01:30

5

9

3,405

by: Jarvis07

28 May 2023, 04:00

ER

If x, y, and z are integers, is xz < 0? (1) xy > 0 (2) yz < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

20 Mar 2018, 06:43

2

6

3,405

by: bumpbot

14 Mar 2023, 10:33

ER

If n is a positive integer is n + 4 divisible by 8?

555-605 (Medium) | Multiples and Factors

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

Bunuel

12 Oct 2016, 01:43

2

6

3,405

by: bumpbot

10 Mar 2022, 06:05

ER

At a particular grade school, there are two math classes: math class w

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

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

Bunuel

26 Apr 2016, 00:56

2

3

3,405

by: arpita1995

05 Mar 2020, 12:00

ER

What is the remainder when 7 + 10n is divided by 3, if n is a single

555-605 (Medium) | Number Properties, Remainders

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

unraveled

27 Nov 2019, 23:42

6

4

3,404

by: bumpbot

11 Apr 2024, 09:42

ER

b, c, d and e are positive integers. When b is divided by c, the quoti

805+ (Hard) | Remainders

805+ (Hard) | Remainders hide tags

BrentGMATPrepNow

25 Aug 2020, 08:53

16

4

3,402

by: bumpbot

16 Apr 2024, 08:56

ER

If x and y are positive integers, Is x a multiple of y?

705-805 (Hard) | Multiples and Factors

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

Rakesh1987

17 May 2019, 11:28

5

3

3,398

by: bumpbot

03 Aug 2025, 06:58

ER

Where is the center of a circle on the xy plane?

655-705 (Hard) | Coordinate Plane, Geometry

655-705 (Hard) | Coordinate Plane, Geometry hide tags

Bunuel

31 Jan 2016, 08:26

15

5

3,398

by: bumpbot

27 Nov 2019, 05:32

ER

A skirt and a purse cost a total of $50.80. How much does the purse co

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

01 Feb 2017, 10:44

2

3,397

by: v12345

22 Jul 2020, 09:24

ER

Sandra saves the same amount of money each month in an account for her

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

08 Jan 2021, 10:07

3

3,396

by: adewale223

02 May 2023, 06:43

ER

Does the graph of y = a(x - b)^2 + p intersect the x-axis?

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

Bunuel

08 May 2021, 01:13

12

2

3,393

by: bumpbot

26 Aug 2023, 00:16

ER

For a series of positive numbers P1, P2, P3, ..., Pn, P(n + 1)= Pn/3 f

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

Bunuel

17 Nov 2021, 03:00

2

1

3,393

by: Nidzo

17 Nov 2021, 08:04

ER

Did at least 15 percent of the children in Springfield suffer adverse

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

12 Mar 2021, 01:15

9

4

3,393

by: BrentGMATPrepNow

11 Sep 2021, 08:35

ER

The cost of buying x units of a certain product is given by the

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

petu

05 Apr 2015, 08:45

11

3

3,393

by: Archit3110

02 Jul 2020, 08:19