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

176

15

78,764

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

856

24

188,548

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

487,977

by: bb

29 Aug 2025, 13:27

The amount of coal a train burns each mile is directly propo

505-555 (Easy) | Distance and Speed Problems, Word Problems

505-555 (Easy) | Distance and Speed Problems, Word Problems hide tags

gmatmathguy123

26 May 2014, 02:11

33

8

14,806

by: vrinda6

09 Apr 2026, 01:30

ER

Set X and set Y have 10 numbers each. Is standard deviation of set X

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

hkotadiya

05 Oct 2017, 07:40

33

9

14,075

by: bumpbot

13 Apr 2026, 12:03

ER

For integers a, b, and c, a/(b-c) = 1. What is the value of (b-c)/b?

505-555 (Easy) | Algebra +2 tags

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

Bunuel

06 Oct 2017, 05:30

33

5

16,222

by: esseeligendi

13 Apr 2026, 19:37

ER

What is the tenth term in a series of 89 consecutive

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

brstorewala

17 May 2003, 03:00

33

16

11,998

by: bumpbot

24 Apr 2026, 03:35

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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

7,569

by: natheodore

03 Feb 2022, 07:17

ER

If t and u are positive integers, what is the value of

705-805 (Hard) | Algebra, Exponents

705-805 (Hard) | Algebra, Exponents hide tags

manulath

25 Aug 2012, 00:35

34

9

11,968

by: bumpbot

13 Oct 2022, 03:55

ER

12 Days of Christmas GMAT Competition - Day 11: If a*b 0, is (a + 5)

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

24 Dec 2022, 07:00

34

5

3,049

by: sivatx2

24 Dec 2022, 19:35

ER

How many times was a fair coin tossed? (1) If the coin has been tosse

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

27 May 2018, 10:19

34

8

6,837

by: bumpbot

27 Dec 2022, 05:49

ER

If ab ≠ 0, does a=b?

605-655 (Medium) | Algebra, Exponents

605-655 (Medium) | Algebra, Exponents hide tags

1, 2

gmattokyo

11 Oct 2013, 03:27

34

21

15,028

by: sanyasanha

08 Feb 2023, 21:14

ER

If xyz ≠ 0, xy > 0, and x2 + xy + xz < 0, then which of the following

655-705 (Hard) | Algebra +2 tags

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

CAMANISHPARMAR

25 Jan 2019, 09:37

34

5

6,635

by: bumpbot

12 Mar 2023, 07:51

ER

Does 3^(r + s) = 27^6 ? (1) r s = 8 (2) 5r = 13s

555-605 (Medium) | Algebra, Exponents

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

Sajjad1994

23 Apr 2023, 02:04

34

11

7,358

by: Bunuel

23 Apr 2023, 02:21

ER

Is r^x < 100?

705-805 (Hard) | Exponents +2 tags

705-805 (Hard) | Exponents, Inequalities, Roots hide tags

Bunuel

03 Oct 2017, 00:05

34

8

4,913

by: bumpbot

22 May 2023, 08:00

ER

Are both of the integers x and y divisible by 3? (1) x + y and x – y

555-605 (Medium) | Multiples and Factors

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

Bunuel

23 May 2020, 08:31

34

10

9,549

by: Bunuel

07 Jun 2023, 01:07

ER

Is quadrilateral ABCD a rhombus?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

honchos

20 Dec 2014, 08:26

34

7

9,371

by: bumpbot

15 Jun 2023, 01:48

ER

If T is a list of consecutive integers in increasing order

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

vikrantgulia

09 Jul 2014, 03:01

34

7

14,361

by: bumpbot

24 Jun 2023, 06:28

ER

P is a point (not shown in the figure) in the plane containing O, R, a

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

23 May 2020, 07:20

34

6

7,831

by: bumpbot

29 Jun 2023, 23:46

ER

Question of the week - 45(If A, B, C are three consecutive even .....)

805+ (Hard) | Absolute Values, Number Properties

805+ (Hard) | Absolute Values, Number Properties hide tags

EgmatQuantExpert

26 Jun 2019, 01:52

34

12

5,048

by: bumpbot

30 Jul 2023, 03:14

ER

If x , p and q are positive integers , then

805+ (Hard) | Algebra, Exponents

805+ (Hard) | Algebra, Exponents hide tags

idontknowwhy94

08 Oct 2016, 10:07

34

5

6,985

by: bumpbot

29 Aug 2023, 10:24

ER

If a and b are integers, is b even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

jakolik

16 Aug 2010, 06:57

34

9

14,816

by: bumpbot

11 Nov 2023, 03:53

ER

In the xy-plane, a parabola intersects with axis-y at point

655-705 (Hard) | Coordinate Plane, Geometry

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

aalriy

10 Dec 2010, 11:03

34

9

14,736

by: bumpbot

22 Nov 2023, 05:08

ER

Is the quadrilateral a square?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

enigma123

14 Sep 2019, 05:32

34

11

16,426

by: bumpbot

27 Dec 2023, 03:21

ER

Is the integer p divisible by 5 ? (1) p is divisible by 10. (2) p is

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Bunuel

26 Apr 2019, 02:10

34

9

17,463

by: bumpbot

13 Apr 2024, 01:22

ER

Is z even? (1) 5z is even (2) 3z is even

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

tonebeeze

11 May 2011, 11:38

34

9

13,195

by: chetan2u

16 Apr 2024, 19:37

ER

If p and q are integers, what is the remainder when p^2 + q^2 is divid

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

Bunuel

12 Aug 2020, 23:21

34

10

9,332

by: bumpbot

23 Apr 2024, 21:16

ER

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

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

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

kashishh

14 Dec 2018, 00:57

34

8

10,184

by: bumpbot

09 May 2024, 09:14

ER

What is the value of the integer x ?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

06 Oct 2016, 01:18

34

11

20,231

by: bumpbot

10 Jul 2024, 04:25

ER

For consecutive integers x and y , where x>y , what is the value of

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

BillyZ

07 Feb 2017, 05:32

34

4

7,160

by: GMATBusters

26 Aug 2024, 05:39

ER

A list kept at Town Hall contains that town's average daily temperatur

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

23 Jun 2015, 02:34

34

10

9,676

by: bumpbot

16 Sep 2024, 07:39

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

18,707

by: KanikaJain

21 Oct 2024, 02:02

ER

If p and q are positive, is p/q less than 1?

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

nycgirl212

06 Jul 2016, 19:10

34

7

35,166

by: bumpbot

31 Oct 2024, 02:16

ER

A restaurant serves only tacos and enchiladas. If 60% of all who ate

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

keats

01 Oct 2016, 02:41

34

9

9,971

by: addy10024

06 Jan 2025, 10:49

ER

If x and n are integers is the sum of x and n less than zero

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

dvinoth86

19 Feb 2012, 05:29

34

15

21,073

by: bumpbot

12 Jan 2025, 09:49

ER

Jerry bought 7 clothing items, including a coat, and the sum

505-555 (Easy) | Statistics and Sets Problems, Word Problems

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

gayathriz

11 Jun 2013, 06:24

34

4

17,633

by: werty_123

01 Feb 2025, 23:58

If the price of potatoes is $0.2 per pound, what is the maximum number

505-555 (Easy) | Arithmetic

505-555 (Easy) | Arithmetic hide tags

adkikani

28 Apr 2023, 00:13

34

6

8,822

by: bumpbot

04 Feb 2025, 16:00

ER

A chemical agent is kept in bottles having 50 percent concentration

605-655 (Medium) | Mixture Problems

605-655 (Medium) | Mixture Problems hide tags

Bunuel

03 Jul 2017, 05:06

34

12

6,885

by: bumpbot

13 Feb 2025, 08:56

ER

Dealership A and Dealership B both sell cars and trucks. If the ratio

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

09 Jan 2020, 01:40

34

8

9,203

by: bumpbot

14 Feb 2025, 11:40

ER

If x < y, is x^2 < y^2 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

24 Feb 2014, 01:59

34

6

9,562

by: bumpbot

25 Feb 2025, 11:54

ER

A certain bag contains only red balls, blue balls, and green

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

jadon

27 Jul 2014, 16:24

34

7

37,376

by: bumpbot

18 Mar 2025, 21:32

ER

Are all of the terms in Set A equal?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

vishu1414

22 Dec 2012, 08:45

34

13

8,375

by: bumpbot

20 Mar 2025, 11:36

ER

Set S consists of n consecutive integers, where n > 1. What is the

805+ (Hard) | Number Properties, Statistics and Sets Problems

805+ (Hard) | Number Properties, Statistics and Sets Problems hide tags

Bunuel

04 Jun 2015, 04:22

34

10

9,259

by: bumpbot

24 Mar 2025, 23:37

ER

Is x + y > 0 ? (1) x - y > 0 (2) x^2 - y^2 > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

sunita123

14 Oct 2023, 00:44

34

10

14,575

by: sujoykrdatta

14 Apr 2025, 09:25

ER

In a class, each of the students received a single grade of A, B, or C

605-655 (Medium) | Arithmetic

605-655 (Medium) | Arithmetic hide tags

d999

04 May 2020, 23:27

34

8

8,252

by: bumpbot

03 Jun 2025, 06:32

ER

What was the population of City X in 2002 ? (1) X's population in 200

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

26 Apr 2019, 07:23

34

8

14,523

by: bumpbot

19 Jun 2025, 01:57

ER

A zoo has w wildebeests, y yaks, z zebras, and no other animals. If

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

07 Jul 2015, 02:44

34

8

7,308

by: bumpbot

19 Jun 2025, 23:11

ER

This morning, a certain sugar container was full. Since then some of

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

kanusha

18 Jul 2019, 02:41

34

13

18,303

by: bumpbot

03 Jul 2025, 23:52

ER

If n is a positive integer greater than 1, what is the smallest positi

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

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

AbhiJ

15 Jul 2013, 08:40

34

8

9,989

by: bumpbot

17 Jul 2025, 20:27

ER

If 25% of a company's employees are women older than 30, what percent

605-655 (Medium) | Overlapping Sets, Percent and Interest Problems

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

Bunuel

23 Jul 2025, 13:38

34

6

20,662

by: harsha77

24 Jul 2025, 09:43

ER

The probability that event A occurs is 0.4 and the probability that

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

MathRevolution

16 Sep 2017, 07:32

34

13

9,280

by: bumpbot

13 Aug 2025, 01:46

ER

If Alex and Keanu received the same total number of attempts during a

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

24 Apr 2017, 04:29

34

7

5,691

by: bumpbot

23 Aug 2025, 14:33

ER

A nut-mix contains peanuts and cashews. Cashews are more expensive tha

555-605 (Medium) | Mixture Problems

555-605 (Medium) | Mixture Problems hide tags

Bunuel

25 Jun 2017, 04:10

34

5

7,205

by: bumpbot

07 Oct 2025, 06:31