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

79,127

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

857

24

188,759

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

488,347

by: bb

29 Aug 2025, 13:27

ER

A farmer has a total of 60 pigs, cows, and horses on his farm. How

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

07 Oct 2015, 06:29

12

4

11,477

by: bumpbot

28 Sep 2024, 07:49

ER

If n is an integer, what is the units digit of x?

605-655 (Medium) | Exponents, Fractions and Ratios

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

ferrarih

30 Jun 2012, 08:00

60

6

11,120

by: bumpbot

30 Sep 2024, 01:47

ER

A cube is painted with blue and red color such that each color is pain

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

pran21

02 Sep 2014, 04:05

18

6

22,064

by: bumpbot

30 Sep 2024, 04:42

ER

What percent of the students at Jefferson High School study

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

thinktank

23 Mar 2013, 12:32

22

7

19,770

by: bumpbot

01 Oct 2024, 01:54

ER

In a poll, 400 users were asked why they revisited a certain website.

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

Bunuel

03 Jun 2018, 11:24

4

3

5,169

by: bumpbot

01 Oct 2024, 02:36

ER

What is the greatest common divisor of positive integers m

505-555 (Easy) | Multiples and Factors, Number Properties

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

eybrj2

29 Mar 2012, 00:38

64

6

19,478

by: bumpbot

01 Oct 2024, 03:25

ER

p and q are positive integers. Is p^2 - q^2 divisible by 24?

705-805 (Hard) | Multiples and Factors

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

sherxon

09 Jun 2021, 01:02

5

3

2,847

by: Bunuel

02 Oct 2024, 06:14

ER

If n is a positive integer, what is the tens' digit of 7^n?

655-705 (Hard) | Exponents, Number Properties

655-705 (Hard) | Exponents, Number Properties hide tags

akshayuberoi

02 Mar 2021, 20:53

9

3

2,404

by: BrushMyQuant

03 Oct 2024, 07:51

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Is x > y? (1) x/4 = y^2 (2) x > 1

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

jayoptimist

29 Jul 2012, 11:21

62

7

11,434

by: bumpbot

03 Oct 2024, 14:27

ER

Is n/14 an Integer? 1) 3n/14 is an Integer 2) 2n/14 is an Integer So

805+ (Hard) | Multiples and Factors, Number Properties

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

GMATinsight

19 Oct 2018, 07:17

8

6

2,535

by: bumpbot

05 Oct 2024, 22:22

ER

For a positive integer x, what is the remainder when 3^x+1 is divided

555-605 (Medium) | Exponents +2 tags

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

MathRevolution

18 Jan 2017, 02:08

8

5

4,294

by: BrushMyQuant

06 Oct 2024, 06:46

ER

If pqr s is a four-digit number, where p, q, r and s are the digits,

805+ (Hard) | Fractions and Ratios, Multiples and Factors

805+ (Hard) | Fractions and Ratios, Multiples and Factors hide tags

Bunuel

06 Aug 2017, 01:02

70

11

28,901

by: Mihirrr009

07 Oct 2024, 01:35

ER

If the sum of five integers is 875, what is the product of these

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

sidinsin

23 Oct 2023, 04:25

6

4

5,813

by: pierjoejoe

07 Oct 2024, 02:31

ER

What is the remainder when x is divided by 3?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

25 Sep 2024, 00:26

13

8

8,946

by: pierjoejoe

07 Oct 2024, 07:21

ER

Is |x + 1| > 6? (1) (x - 2)(|x| - 5) > 0 (2) x^2 < 4

705-805 (Hard) | Absolute Values, Inequalities

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

EgmatQuantExpert

09 Oct 2024, 00:06

58

9

11,442

by: bumpbot

08 Oct 2024, 23:13

ER

What percentage of families in the state have annual incomes over $50

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

30 Apr 2026, 10:59

19

4

6,544

by: pierjoejoe

10 Oct 2024, 03:57

ER

The product of integers a, b, c, and d is 120. What is the value of in

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Bunuel

17 Sep 2015, 01:16

16

12

5,308

by: bumpbot

10 Oct 2024, 09:45

ER

What percent of Firm XYZ's budget will be spent on legal exp

655-705 (Hard) | Percent and Interest Problems

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

Archit143

16 Dec 2012, 11:55

13

6

4,812

by: bumpbot

10 Oct 2024, 11:28

ER

Is ABCD a square? (1) AB is parallel to CD (2) ABCD is an equilateral

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

08 Feb 2018, 05:51

20

4

6,326

by: bumpbot

11 Oct 2024, 23:02

ER

In a sequence S, each term, after first term,

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

fitzpratik

20 Mar 2019, 20:25

25

3

6,182

by: bumpbot

12 Oct 2024, 04:40

ER

In the morning, Chris drives from Toronto to Oakville and in the eveni

805+ (Hard) | Distance and Speed Problems

805+ (Hard) | Distance and Speed Problems hide tags

Bunuel

18 Aug 2015, 01:48

182

14

13,003

by: bumpbot

14 Oct 2024, 23:18

ER

Does ab= a^2

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

jsphcal

18 Dec 2012, 22:51

18

8

8,345

by: bumpbot

15 Oct 2024, 21:28

ER

Is integer x even? (1) 3x is even (2) x/3 is not odd

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

QuantMadeEasy

13 Oct 2024, 11:08

2

5

972

by: QuantMadeEasy

15 Oct 2024, 22:14

ER

The coordinates of points A and B are p, q and (r, s). Is |q| > |s|?

655-705 (Hard) | Absolute Values +2 tags

655-705 (Hard) | Absolute Values, Coordinate Plane, Inequalities hide tags

Bunuel

25 Jul 2017, 22:47

19

6

5,196

by: bumpbot

16 Oct 2024, 03:32

ER

What was the number of defective batteries in a shipment of

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

patanahi

31 Mar 2012, 11:42

11

8

7,767

by: bumpbot

16 Oct 2024, 12:08

ER

If p and q are positive integers, can the fraction p/q be expressed as

655-705 (Hard) | Multiples and Factors

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

Bunuel

29 Aug 2019, 06:44

7

4

2,501

by: Bunuel

18 Oct 2024, 08:52

ER

What is the value of x? (1) 3(x - 1) = y + 3x (2) (x + 2)(y + 3) = 0

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Carcass

29 Jun 2021, 09:49

53

5

10,799

by: bumpbot

19 Oct 2024, 09:27

ER

HOT Competition 27 Aug/8PM: If k is a positive integer, is k^(1/2) an

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

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

Bunuel

27 Aug 2020, 20:00

50

8

8,457

by: bumpbot

20 Oct 2024, 06:01

ER

If a and b are positive integers, what is the remainder when 9^2a+b

555-605 (Medium) | Multiples and Factors

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

benejo

05 Apr 2018, 06:32

12

6

2,636

by: bumpbot

20 Oct 2024, 06:13

ER

Is |a| + |b| > |a + b| ?

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

chiragatara

04 Dec 2012, 01:57

80

16

32,099

by: bumpbot

20 Oct 2024, 06:21

ER

If xy 0, what is the value of (x^4*y^2- (xy)^2)/(x^3*y^2)

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

GMATBusters

08 Feb 2024, 01:14

20

7

6,600

by: KanikaJain

21 Oct 2024, 01:29

ER

What is the value of xy? (1) y = x + 1 (2) y = x^2 + 1

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

23 Sep 2018, 21:30

34

5

18,749

by: KanikaJain

21 Oct 2024, 02:02

ER

If A and B are positive integers, does A have more prime factors

705-805 (Hard) | Multiples and Factors

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

stonecold

22 Nov 2016, 08:24

18

7

3,105

by: bumpbot

21 Oct 2024, 15:31

ER

A survey is done in am office among 120 people to know how many of the

805+ (Hard) | Overlapping Sets, Probability

805+ (Hard) | Overlapping Sets, Probability hide tags

a70

14 Aug 2018, 04:15

38

7

8,440

by: bumpbot

22 Oct 2024, 06:42

ER

There are 100 employees in a company. Is the standard deviation of the

555-605 (Medium) | Statistics and Sets Problems

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

MathRevolution

23 May 2018, 18:10

6

3

2,682

by: bumpbot

22 Oct 2024, 08:27

ER

Is m divisible by 11?

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

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

GMATBusters

13 Apr 2020, 20:12

9

5

1,910

by: bumpbot

22 Oct 2024, 12:52

ER

If Q is a quadrilateral, is Q a rectangle?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

hardnstrong

11 Jul 2019, 05:17

15

8

7,412

by: bumpbot

22 Oct 2024, 23:31

ER

Is x to the right of -5 on the number line?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

rraman

11 Mar 2019, 05:57

14

4

11,182

by: bumpbot

23 Oct 2024, 03:45

ER

What is the average of x and |y| ?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

gmatJP

22 Jun 2010, 02:44

38

6

18,702

by: bumpbot

23 Oct 2024, 03:54

ER

Is quadrilateral ABCD a parallelogram ?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

innocous

25 Aug 2013, 10:58

96

18

13,085

by: bumpbot

23 Oct 2024, 04:47

ER

What is the value of k^2 + k? (1) The value of k + 1 is 1. (2) The va

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

03 Mar 2020, 03:54

9

3

7,960

by: bumpbot

23 Oct 2024, 10:52

ER

What is the mode of the list above?

655-705 (Hard) | Statistics and Sets Problems

655-705 (Hard) | Statistics and Sets Problems hide tags

Bunuel

20 Aug 2018, 04:35

28

12

5,625

by: bumpbot

23 Oct 2024, 11:13

ER

Is w an integer? (1) 3w is an odd number. (2) 2w is an even number.

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

10 May 2020, 05:30

9

6

8,451

by: bumpbot

24 Oct 2024, 19:40

ER

If a, b, c, and d are all positive integers, is c divisible by a/d?

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

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

mniyer

22 Dec 2013, 11:02

22

11

4,731

by: bumpbot

24 Oct 2024, 20:47

ER

In the coordinate plane, circle C has radius r and its center is at po

705-805 (Hard) | Coordinate Plane, Geometry

705-805 (Hard) | Coordinate Plane, Geometry hide tags

rakshitsood21

04 Sep 2020, 11:36

15

4

3,653

by: bumpbot

26 Oct 2024, 22:28

ER

In the xy-coordinate plane, line A is defined by the equation j*x-y=-7

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

Tornikea

01 Sep 2015, 08:30

162

12

15,597

by: bumpbot

27 Oct 2024, 01:26

ER

What is the remainder when x^2 - y^2 is divided by 3?

Sub 505 (Easy) | Remainders

Sub 505 (Easy) | Remainders hide tags

manishuol

29 Apr 2013, 13:08

9

8

4,100

by: bumpbot

27 Oct 2024, 01:38

ER

The cost, c and the revenue, r are related via the equation

555-605 (Medium) | Fractions and Ratios

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

MathRevolution

11 Jan 2018, 01:42

10

3

4,390

by: bumpbot

29 Oct 2024, 09:07

ER

Is 2x > 2y ? (1) x > y (2) 3x > 3y

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

06 Oct 2016, 01:21

33

14

20,444

by: bumpbot

31 Oct 2024, 01:16

ER

Is x - x^2 > y - y^2 ? (1) x > y (2) x^2 > y^2

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

06 Dec 2019, 05:50

19

10

16,012

by: bumpbot

01 Nov 2024, 02:40