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

178

15

79,020

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

188,698

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

488,226

by: bb

29 Aug 2025, 13:27

ER

The sum of the four integers a, b, c, and d is 24. How many of these

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

02 May 2022, 01:30

5

4

2,066

by: Bunuel

13 Jan 2026, 04:20

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Allison is a university student who enjoys playing tennis.

Sub 505 (Easy) | Non-Math Related

Sub 505 (Easy) | Non-Math Related hide tags

Bunuel

03 Aug 2024, 08:45

2

2,066

by: bumpbot

06 Aug 2025, 02:41

ER

Flasks M and N contain m and n liters of water respectively. Half of t

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

BrentGMATPrepNow

10 Jun 2019, 05:56

5

7

2,066

by: KanikaJain

29 Oct 2024, 23:32

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A number w with two digits to the right of the decimal point is multip

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Poor Quality hide tags

Xin Cho

08 Aug 2019, 11:55

8

6

2,066

by: IanStewart

10 Aug 2019, 07:51

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How many cylindrical cans with a radius of 2 inches and a height of 6

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

19 Jan 2022, 09:59

5

4

2,067

by: Ami0Trafalgar

14 Jun 2024, 05:38

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Is x^7 > x^6? (1) x + x^3 > 0 (2) x - 1/x > 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

GMATinsight

30 Jun 2020, 07:26

13

6

2,067

by: GMATGuruNY

25 Feb 2024, 13:51

ER

At a city council meeting, one attendee is to be selected at random to

505-555 (Easy) | Overlapping Sets, Probability

505-555 (Easy) | Overlapping Sets, Probability hide tags

Bunuel

14 Aug 2019, 01:06

3

4

2,067

by: bumpbot

15 Dec 2023, 06:27

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If x is a non-zero number, is x^5 < x^7?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

UShukla

23 Apr 2020, 12:29

3

7

2,067

by: bumpbot

03 Sep 2023, 09:15

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If Xavier and Zara together have 13 pencils, what is the ratio of the

555-605 (Medium) | Fractions and Ratios

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

Bunuel

10 Oct 2019, 01:56

2

2,067

by: CareerGeek

11 Oct 2019, 07:13

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Is ABC an equilateral triangle? (1) BD/AD = DC/DB (2) AB^2 + CD^2 =

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

18 Jul 2019, 23:57

6

1

2,068

by: saukrit

21 Jul 2019, 00:07

If p, q, and r are such that r lies between p and q on the number line

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

TheUltimateWinner

12 Jun 2019, 09:24

4

3

2,069

by: bumpbot

10 Jul 2023, 00:21

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When a rectangular label, 21.5cm long, is wrapped around the curved su

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

30 Oct 2019, 21:50

4

2

2,069

by: bumpbot

20 Nov 2021, 13:26

ER

What is the value of m − 3n?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

CAMANISHPARMAR

13 Feb 2019, 10:06

3

2,069

by: KanishkM

19 Feb 2019, 04:54

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If m is a positive integer, is m + 4 even?

555-605 (Medium) | Multiples and Factors, Number Properties

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

Bunuel

26 Jul 2018, 01:37

1

3

2,069

by: thefibonacci

26 Jul 2018, 03:59

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If x and y are integers, is x positive? (1) x = |y| (2) x! = |x|

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

Bunuel

14 Jan 2017, 05:30

1

4

2,069

by: sb0541

15 Jan 2017, 08:07

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Cerenity and Jas rented a jet ski for an afternoon. The rental fee for

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

25 Apr 2018, 23:30

4

6

2,070

by: GMATinsight

20 Jul 2025, 07:53

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If x and y are integers, what is x + y ? (1) 3^x = 81 (2) 5^x = 25/5^y

505-555 (Easy) | Exponents

505-555 (Easy) | Exponents hide tags

Bunuel

16 Mar 2022, 05:30

4

2

2,070

by: bumpbot

12 Nov 2024, 02:49

ER

A line segment is drawn from point A on triangle ABC to point D, the

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

02 Dec 2019, 00:29

7

4

2,071

by: bumpbot

12 Jan 2023, 12:49

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Is x greater than 1? (1) (x^2 + 1)x > (x^2 + 1) (2) x^2 > x

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

02 Jun 2021, 08:00

3

4

2,071

by: mendax

02 Sep 2021, 09:24

ER

Consider a seven digit integer A,BC7,8DE. If the integer is divisible

605-655 (Medium) | Multiples and Factors

605-655 (Medium) | Multiples and Factors hide tags

Bunuel

10 Dec 2020, 01:15

5

7

2,071

by: DanTe02

13 Dec 2020, 05:40

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If n and r are positive integers and r is the remainder when 27 is div

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

Bunuel

03 Oct 2020, 13:24

2

5

2,071

by: MathRevolution

04 Oct 2020, 12:34

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If x and y are two different integers, is |x| = |y|?

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

chetan2u

07 Feb 2024, 01:20

6

4

2,071

by: chetan2u

18 Feb 2017, 08:40

ER

If p and q are integers, can (q − 1) always be expressed as an integer

705-805 (Hard) | Multiples and Factors

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

Bunuel

30 Jul 2017, 22:37

2

8

2,072

by: bumpbot

03 Jan 2026, 03:51

ER

50 machines work in parallel and no-stop. Each machine can produce

655-705 (Hard) | Work and Rate Problems

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

Bunuel

04 Oct 2024, 01:30

13

7

2,072

by: Bunuel

21 Dec 2025, 00:19

ER

What is the value of (x – 2)^2 ? (1) x^2 – 4x + 3 = 0 (2) x^2 – 7x +

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

09 Feb 2022, 08:00

9

3

2,072

by: bumpbot

17 Jan 2024, 19:36

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Is x > y? (1) x + c > y + c (2) xc > yc

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

07 Sep 2017, 23:41

1

3

2,072

by: Kinshook

09 May 2020, 20:21

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Aaron traveled d1 miles between city A and city B at a speed

705-805 (Hard) | Distance and Speed Problems

705-805 (Hard) | Distance and Speed Problems hide tags

Bunuel

28 Nov 2022, 09:15

11

2

2,073

by: bumpbot

11 Nov 2025, 10:19

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If (a - b)/c > 0, is c < 0? (1) a^2 < b^2 (2) b/c < a/c

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

20 Mar 2020, 04:43

3

2

2,073

by: bumpbot

01 Feb 2022, 06:16

ER

In the parallelogram shown, what is the value of a?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

29 Apr 2018, 09:27

1

3

2,073

by: gvij2017

29 Apr 2018, 17:01

ER

If y is a positive integer with 3 digits and the sum of its digits is

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

06 Dec 2016, 00:45

5

2,073

by: pranab223

07 Dec 2016, 08:39

ER

Each type P machine can assemble 240 cars per hour, each type Q

705-805 (Hard) | Work and Rate Problems

705-805 (Hard) | Work and Rate Problems hide tags

Bunuel

28 Jun 2024, 01:30

10

4

2,074

by: bumpbot

19 Oct 2025, 09:27

ER

A piece of carpet in the shape of a trapezoid has a smaller base measu

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

20 Mar 2022, 02:51

4

2,074

by: Bunuel

15 Jun 2023, 00:37

ER

Is a negative? (1) a^3(b 2a) < 0 (2) 2a b < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

15 Sep 2020, 00:15

6

5

2,075

by: BrentGMATPrepNow

19 Mar 2022, 08:31

ER

If p and q are any two real numbers, then is p > q ?

655-705 (Hard) | Absolute Values, Inequalities

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

Snehaaaaa

10 Mar 2022, 07:36

7

1

2,075

by: chetan2u

11 Mar 2022, 23:07

ER

Given ‘a’ and ‘b’ are positive integers, is the number b^2+7b+ab even?

705-805 (Hard) | Multiples and Factors

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

AkhilAggarwal

26 May 2021, 17:32

6

3

2,076

by: chetan2u

16 Sep 2023, 03:42

ER

In 2012, the marked price of an electric vehicle was $50,000 and it

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

07 Jun 2023, 01:30

4

2

2,076

by: AkankshaUniyal

16 Jul 2023, 23:26

ER

A church C is on a hilltop at a height 300 feet from the ground and is

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

17 Jun 2018, 06:16

7

9

2,076

by: bumpbot

07 Aug 2019, 20:34

ER

How many of the 90 laptop computers sold in January by online retailer

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

Bunuel

23 Feb 2022, 04:00

4

2

2,077

by: bumpbot

16 May 2024, 23:48

ER

An organization offers only three types of annual memberships. Basic

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

20 Nov 2022, 23:51

5

1

2,077

by: gmatophobia

04 Jan 2023, 14:33

Is (a + b) < (c + d)? (1) c and d are negative integers such that

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Poor Quality hide tags

Nixondutta

09 Apr 2018, 04:40

18

8

2,077

by: ShukhratJon

22 May 2019, 02:51

ER

Is x < 5 ? (1) 2|x + 4| - 3 < 15 (2) x^2 < 25

605-655 (Medium) | Absolute Values

605-655 (Medium) | Absolute Values hide tags

Bunuel

15 Feb 2023, 09:28

4

2

2,078

by: bumpbot

10 Mar 2024, 12:04

ER

What is the average of the 5 integers? (1) They are consecutive even

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

31 Jan 2019, 00:17

2

4

2,078

by: bumpbot

01 Mar 2023, 07:16

ER

If the three identical circles shown are centered at K, L, and M, resp

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

23 Oct 2019, 02:28

1

5

2,078

by: bumpbot

28 Apr 2021, 10:36

ER

a, b, and c are three integers such that a < b < c. Is (a + b) less th

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

28 Feb 2016, 12:04

3

2,078

by: bumpbot

25 Jun 2019, 08:38

ER

In the fraction x/y, where x and y are positive integers, what is the

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

24 Dec 2017, 01:34

2

4

2,078

by: bumpbot

13 Mar 2019, 01:45

ER

If a, b and c are positive prime numbers, what is the value of a^3b^3c

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

25 Sep 2018, 05:34

3

4

2,078

by: Sreyoshi007

25 Sep 2018, 09:58

ER

A grocery store sells ham sandwiches for a certain price and cheese sa

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

02 Jan 2017, 05:39

4

2,078

by: jmartin4383

09 Jun 2018, 07:20

ER

A team played more than 50 and less than 60 matches in an entire year.

705-805 (Hard) | Arithmetic

705-805 (Hard) | Arithmetic hide tags

amanvermagmat

11 May 2018, 01:52

7

3

2,079

by: SaquibHGMATWhiz

22 Aug 2022, 21:50

ER

Is the range of Set A greater than the median?

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

31 Jan 2017, 10:22

3

2

2,079

by: Mo2men

10 Feb 2017, 22:14

ER

A truck and a van leave the same location at the same time traveling

Sub 505 (Easy) | Distance and Speed Problems

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

Bunuel

02 Apr 2018, 22:05

4

3

2,080

by: bumpbot

21 Jun 2025, 12:55