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

79,471

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

858

24

188,940

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

488,619

by: bb

29 Aug 2025, 13:27

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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

3,390

by: Bunuel

14 Jan 2020, 23:07

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

3,388

by: bumpbot

14 May 2025, 16:26

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

3,388

by: arpita1995

05 Mar 2020, 12:00

ER

The students in a certain college class took a midterm exam and

605-655 (Medium) | Percent and Interest Problems

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

Bunuel

01 Apr 2024, 01:30

18

2

3,387

by: siddhantvarma

24 Sep 2024, 08:01

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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

3,387

by: bumpbot

16 Apr 2023, 04:24

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

3,386

by: Archit3110

05 Mar 2019, 12:07

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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

3,385

by: bumpbot

18 Mar 2025, 05:23

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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

3,385

by: bumpbot

10 Mar 2022, 06:05

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

3,384

by: bumpbot

02 Oct 2020, 02:35

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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

3,383

by: bumpbot

23 Aug 2025, 04:41

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

3,383

by: gmatexam439

02 Nov 2018, 04:12

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Is y^(-x) negative? (1) y is positive. (2) x is negative.

555-605 (Medium) | Exponents, Inequalities

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

Bunuel

13 Sep 2023, 01:30

5

3

3,382

by: bumpbot

27 Apr 2025, 02:00

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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

3,382

by: bumpbot

26 Jan 2021, 22:03

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

3,380

by: Jarvis07

28 May 2023, 04:00

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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

3,379

by: bumpbot

14 Mar 2023, 10:33

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

3,378

by: adewale223

02 May 2023, 06:43

ER

Packet A contains a mixture of salt and sugar and Packet B contains

655-705 (Hard) | Mixture Problems

655-705 (Hard) | Mixture Problems hide tags

Bunuel

26 Nov 2022, 09:15

7

2

3,377

by: bumpbot

20 Apr 2026, 05:11

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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

3,374

by: bumpbot

16 Apr 2024, 08:56

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

3,374

by: BrentGMATPrepNow

11 Sep 2021, 08:35

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

Poor Quality

Poor Quality hide tags

Sergiy

18 Apr 2013, 04:19

4

3,374

by: Sergiy

22 Apr 2013, 23:35

In triangle ABC, if AB = a, BC = b + 1/2, and AC = b, which of the

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Poor Quality hide tags

apblanker

16 Sep 2017, 06:04

3

5

3,372

by: Sayon

15 Aug 2019, 05:01

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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

3,372

by: rhine29388

17 May 2016, 15:01

ER

A circle and a straight line are drawn on the same coordinate graph.

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

27 Aug 2022, 03:19

4

8

3,371

by: LogicGuru1

19 Jul 2016, 10:56

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

3,370

by: bumpbot

22 Feb 2025, 03:36

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

3,369

by: bumpbot

31 Oct 2019, 09:47

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

3,368

by: bumpbot

11 Apr 2024, 09:42

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

3,367

by: bumpbot

27 Nov 2019, 05:32

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

3,366

by: bumpbot

03 Aug 2025, 06:58

ER

If p is a positive integer, is p even? (1) p divided by 3 leaves a re

Sub 505 (Easy) | Remainders

Sub 505 (Easy) | Remainders hide tags

Bunuel

02 May 2021, 03:45

1

5

3,366

by: Bunuel

09 May 2021, 03:45

ER

What is the remainder when integer n is divided by 10?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

01 May 2019, 02:14

3

5

3,366

by: MHIKER

07 Dec 2020, 14:32

ER

If m and n are positive integers such that m + n = 9, what is the valu

655-705 (Hard) | Algebra, Inequalities

655-705 (Hard) | Algebra, Inequalities hide tags

Bunuel

03 Apr 2018, 21:31

10

5

3,366

by: Basshead

23 Nov 2020, 19:11

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

3,366

by: Archit3110

02 Jul 2020, 08:19

ER

If p and q are integers, is (p^9 + pq ) an even number?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

09 Dec 2019, 01:44

2

3

3,365

by: bumpbot

30 Dec 2022, 08:10

ER

How long did Justin spend driving from Town A to Town B to Town C?

Sub 505 (Easy) | Distance and Speed Problems

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

Bunuel

30 Mar 2016, 04:23

1

2

3,365

by: bumpbot

16 Nov 2022, 06:16

ER

For every integer a>1, a* is defined as the least prime factor of a.

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

sainaren

06 May 2019, 10:59

12

7

3,364

by: bumpbot

01 Jul 2024, 15:56

ER

If x and y are greater than zero, then what is the value of x^2*y ?

555-605 (Medium) | Multiples and Factors

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

Bunuel

06 May 2019, 01:56

7

4

3,364

by: Staphyk

30 Jun 2019, 14:03

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

3,363

by: amishag

13 Jul 2023, 18:24

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

3,362

by: Nidzo

17 Nov 2021, 08:04

ER

If m is an integer, is m - 1 even? (1) m + 3 is an even integer.

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

14 Aug 2019, 01:19

3

3,361

by: Bunuel

10 Sep 2019, 00:55

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

3,360

by: HoudaSR

18 Jun 2023, 08:50

ER

Is the integer a even?

505-555 (Easy) | Multiples and Factors

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

devbond

18 Aug 2014, 03:44

1

3

3,360

by: bumpbot

12 Feb 2022, 14:43

ER

If Scott is 5 years older than Kathy, how old is Scott? (1) Seven year

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

11 Jul 2019, 01:22

1

3

3,360

by: bumpbot

01 May 2021, 20:37

ER

How many red balls are in the barrel?

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

Bunuel

29 Mar 2017, 04:47

9

3

3,359

by: bumpbot

19 Apr 2022, 07:42

ER

A box contains red, blue, yellow and orange balls in the ratio of 7:4:

555-605 (Medium) | Fractions and Ratios

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

Russ19

20 Sep 2020, 05:32

3

3,359

by: IanStewart

21 Sep 2020, 07:45

ER

What is the value of positive integer m?

705-805 (Hard) | Multiples and Factors

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

Bunuel

13 Jan 2017, 09:01

11

16

3,358

by: bumpbot

19 May 2025, 03:20

ER

If √x is a prime number, what is the value of x?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Ravixxx

22 Apr 2020, 13:38

10

4

3,358

by: bumpbot

27 Apr 2025, 21:56

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

3,358

by: bumpbot

26 Aug 2023, 00:16

ER

If z is the sum of three consecutive odd positive integers, is z evenl

705-805 (Hard) | Multiples and Factors, Remainders

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

Bunuel

23 Mar 2020, 06:57

18

3

3,357

by: bumpbot

22 Sep 2025, 08:39

ER

Is this a rt triangle

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Poor Quality hide tags

agnok

20 Jul 2010, 08:26

1

5

3,357

by: trunksli

20 Aug 2010, 21:34

If x is a positive integer, what is the digit at the units place

705-805 (Hard) | Exponents +2 tags

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

GMATMBA5

26 May 2019, 23:21

8

6

3,356

by: bumpbot

26 May 2025, 15:40