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

80,242

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

860

24

189,177

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

488,946

by: bb

29 Aug 2025, 13:27

ER

A car and a van are traveling at different constant speeds on a straig

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

Bunuel

29 Apr 2018, 09:37

21

13

5,277

by: bumpbot

04 Feb 2022, 06:01

ER

If a and b are integers and a = |b + 2| + |3 – b|, does a = 5?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

vikasp99

23 Feb 2017, 00:04

34

10

7,594

by: natheodore

03 Feb 2022, 07:17

ER

If x 1, what is the value of (|x| - 1)/(x - 1) ?

555-605 (Medium) | Absolute Values +2 tags

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

Bunuel

14 May 2018, 00:58

14

8

6,636

by: natheodore

03 Feb 2022, 07:08

ER

n is a positive integer. What is the remainder when n is divided by 6?

555-605 (Medium) | Multiples and Factors, Remainders

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

Bunuel

01 Jul 2018, 21:38

5

7

4,005

by: bumpbot

03 Feb 2022, 06:49

ER

A group of friends win $96,000 in the lottery and agree to split their

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

02 Feb 2022, 08:30

1

1,658

by: Nidzo

03 Feb 2022, 04:25

ER

What is the average (arithmetic mean) of x, y and z?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

07 Sep 2015, 04:28

16

7

21,064

by: bumpbot

02 Feb 2022, 16:53

ER

If the operation ^ denotes one of the four arithmetic operations addit

555-605 (Medium) | Functions and Custom Characters, Inequalities

555-605 (Medium) | Functions and Custom Characters, Inequalities hide tags

TheUltimateWinner

11 Jan 2020, 10:10

1

2

2,003

by: bumpbot

02 Feb 2022, 06:00

ER

Is rst = 1 ? (1) r p t = s p t s (2) prt t = p t st

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

31 Dec 2017, 12:10

2

5

2,457

by: bumpbot

01 Feb 2022, 19:10

ER

If |x| is a number between 20 and 51, is |x| a prime number? (1) The

555-605 (Medium) | Absolute Values, Number Properties

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

vita60

14 Jul 2019, 23:10

16

10

4,112

by: bumpbot

01 Feb 2022, 07:24

ER

A man drove from Town A to Town C through Town B without stopping at

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

26 Jan 2022, 03:00

1

2,429

by: JerryAtDreamScore

31 Jan 2022, 18:30

ER

Is (xy – y) even? (1) x and y are consecutive numbers. (2) y is odd

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

26 Jan 2022, 07:00

3

1,295

by: RohiniK

30 Jan 2022, 18:12

ER

Representation in a local community board is based on the

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

sagarsabnis

27 May 2015, 03:35

5

12

7,150

by: bumpbot

30 Jan 2022, 01:35

ER

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

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

19 Jan 2022, 05:00

1

1,007

by: stne

30 Jan 2022, 00:07

ER

Out of the 150 students of School X, 40 students have opted for only

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

19 Jan 2022, 05:30

1

1,726

by: stne

29 Jan 2022, 23:52

ER

In a football tournament, students from a certain college play for eit

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

19 Jan 2022, 06:30

2

1

1,487

by: stne

29 Jan 2022, 23:36

ER

What is the remainder when the positive three-digit number 1yz is divi

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

26 Jan 2022, 06:00

2

1,626

by: AnirudhaS

29 Jan 2022, 16:37

ER

A produce stand sells green peppers for a certain price and red pepper

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

26 Jan 2015, 05:40

5

3,721

by: bumpbot

29 Jan 2022, 08:45

ER

Is p + q > 0? (1) p/(p + q) > 0 (2) q/(p + q) > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

10 Dec 2018, 03:55

8

7

2,713

by: bumpbot

29 Jan 2022, 03:01

ER

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

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

GMATinsight

14 Apr 2020, 03:07

6

3

1,596

by: bumpbot

28 Jan 2022, 21:08

ER

Is xy < -10? (1) 2 < x < 4 (2) -5 < y < -3

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

29 Dec 2014, 05:12

1

4

1,739

by: bumpbot

28 Jan 2022, 04:24

ER

What is the Standard Deviation of a set of consecutive even integers ?

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

12 Jan 2022, 03:30

1

2,540

by: stne

26 Jan 2022, 07:17

ER

a is a decimal number. Is a < 0.5? (1) When a is rounded to the units

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

26 Jan 2022, 04:30

1

1,095

by: Nidzo

26 Jan 2022, 07:13

ER

If ‘m’ is a positive integer, is “?^2 + 1” when divided by 10 leaves

555-605 (Medium) | Exponents, Remainders

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

Carcass

24 Jan 2022, 07:13

5

1

1,251

by: chetan2u

26 Jan 2022, 00:10

ER

If x and y are positive, what is the value of x ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

30 Oct 2019, 21:57

4

3

1,749

by: bumpbot

25 Jan 2022, 11:43

In the recent election, candidate A received x and candidate

555-605 (Medium) | Percent and Interest Problems

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

eladshush

04 Oct 2010, 06:21

4

6

4,738

by: bumpbot

25 Jan 2022, 08:44

ER

Last month, Rocky spent a total of $2000 on Games, Music CDs and Food.

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

19 Jan 2022, 09:00

2

2,034

by: Sushil117

25 Jan 2022, 05:18

Given a>b>c>0, is the average of a, b, and c equal to their median?

555-605 (Medium) | Statistics and Sets Problems

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

nislam

24 Jan 2022, 10:48

1

982

by: Bacco361

24 Jan 2022, 13:35

ER

x is a nonzero number. Is xy < 0?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

04 Feb 2015, 08:43

7

9

3,803

by: bumpbot

24 Jan 2022, 11:38

ER

If a < -1, is b between 0 and 1?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

23 Nov 2017, 06:33

9

5

3,719

by: bumpbot

24 Jan 2022, 10:57

ER

If x and y are positive integers, is (x/y)^z > 1 ?

555-605 (Medium) | Exponents, Inequalities

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

Bunuel

20 Aug 2018, 01:11

7

4

2,021

by: bumpbot

24 Jan 2022, 08:41

ER

In the figure above PRS is a triangle, what is the measure of the angl

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Carcass

19 Jan 2022, 07:54

4

2

1,586

by: Carcass

22 Jan 2022, 17:00

ER

What is the value of 4^(a + b)/2^(a - b) ?

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Bunuel

12 Sep 2017, 23:33

3

4

2,182

by: bumpbot

22 Jan 2022, 12:02

ER

What was the standard deviation of Company R's earnings per month for

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

10 Feb 2020, 05:18

9

3

4,704

by: bumpbot

22 Jan 2022, 10:06

ER

If x 0, what is the value of (x^w/x^y)^4 ? (1) w = y

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

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

tejal777

28 Sep 2009, 05:50

7

10

4,750

by: SJ5

22 Jan 2022, 08:55

ER

If x and y are integers, is x/y>0? (1) x–y^2 > 0 (2) x^2y > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Lampard42

15 Jun 2019, 00:07

10

2

2,370

by: bumpbot

21 Jan 2022, 08:57

ER

What is y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

flower07

13 Dec 2013, 16:31

9

6

4,352

by: bumpbot

20 Jan 2022, 06:13

ER

Jamie has 80 pens, out of which “P” pens are ball-point pens and the

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

05 Jan 2022, 05:00

2

1,186

by: Catman

18 Jan 2022, 20:28

ER

If the city B lies along a certain route between A and C, what is the

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

Bunuel

12 Jan 2022, 08:00

2

1

1,444

by: yashikaaggarwal

18 Jan 2022, 14:40

ER

What is the product of the roots of the equation x^2 - 4x + k = 3 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

18 Jan 2022, 02:30

4

1,393

by: TarunKumar1234

18 Jan 2022, 11:32

ER

What is the remainder when the positive integer n is divided

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

udaymathapati

26 Sep 2010, 11:44

14

6

9,012

by: bumpbot

18 Jan 2022, 03:28

ER

Is -x < 2y ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

devilmirror

30 Jan 2007, 21:25

8

13

6,450

by: bumpbot

17 Jan 2022, 15:53

ER

On a certain website an average of 5000 videos were uploaded daily in

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

12 Jan 2022, 10:00

2

1,272

by: hientranzx

16 Jan 2022, 00:29

ER

What is the greatest common factor of positive integers k and m?

555-605 (Medium) | Multiples and Factors

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

Bunuel

12 Jan 2022, 09:30

1

1,136

by: JerryAtDreamScore

14 Jan 2022, 09:13

ER

If n is a positive integer, Is n^2 + 4n + 3 divisible by 4?

555-605 (Medium) | Multiples and Factors

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

Bunuel

13 Jan 2022, 02:30

3

1,944

by: manish1708

13 Jan 2022, 22:31

ER

If z is a multiple of 9 and w is a multiple of 4, is zw

555-605 (Medium) | Multiples and Factors

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

guerrero25

27 Aug 2013, 02:36

18

9

6,644

by: bumpbot

13 Jan 2022, 08:01

ER

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

555-605 (Medium) | Multiples and Factors, Remainders

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

Bunuel

20 Apr 2016, 00:54

1

3

2,996

by: bumpbot

13 Jan 2022, 07:59

ER

For each customer, a yogurt shop charges a cents for the

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

gmatgambler

13 Jan 2014, 06:13

2

6

4,481

by: bumpbot

13 Jan 2022, 02:43

ER

Does the line MN pass through the origin?

555-605 (Medium) | Coordinate Plane

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Bunuel

12 Jan 2022, 03:00

1

929

by: Nidzo

13 Jan 2022, 00:40

ER

Is (a + b)^2 odd? (1) ab is even (2) a/b is even

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

12 Jan 2022, 02:30

2

1

1,231

by: zhanbo

12 Jan 2022, 04:41

ER

Any decimal that has only a finite number of nonzero digits is a termi

555-605 (Medium) | Fractions and Ratios, Number Properties

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

Bunuel

16 Aug 2019, 03:04

4

11

4,394

by: bumpbot

11 Jan 2022, 00:25