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

79,258

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

188,855

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

488,480

by: bb

29 Aug 2025, 13:27

ER

Barbara spends $95 on books. She buys two different kinds of books: no

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

09 Sep 2015, 00:47

5

8

3,243

by: bumpbot

11 Nov 2019, 18:57

ER

A box contains 30 beads, of which 15 are blue, 9 are red

Sub 505 (Easy) | Arithmetic, Word Problems

Sub 505 (Easy) | Arithmetic, Word Problems hide tags

enigma123

19 Mar 2012, 13:24

5

3

4,723

by: Bhawanshu

06 Nov 2019, 12:15

ER

Each packet of SOAP costs Rs. 10. Inside each packet is a gift coupon

605-655 (Medium) | Arithmetic, Word Problems

605-655 (Medium) | Arithmetic, Word Problems hide tags

excelingmat

04 Nov 2015, 10:36

5

3

5,075

by: adstudy

29 Oct 2019, 11:56

ER

If a and b are integers, what is the value of b ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Gnpth

24 Jul 2014, 05:36

5

2

3,526

by: bumpbot

26 Oct 2019, 22:33

ER

What is the value of the two-digit positive integer XY, where X repres

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

Bunuel

01 Jul 2018, 20:41

5

4

3,269

by: bumpbot

26 Oct 2019, 11:55

ER

If X = a/2^2 + b/2^3 + c/2^5, does X = 5/16 ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

18 Oct 2019, 03:14

5

3

1,775

by: chetan2u

18 Oct 2019, 20:04

ER

If A and B are positive integers > 1, does A have more unique prime

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

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

Bunuel

22 Apr 2016, 04:43

5

2

1,991

by: bumpbot

08 Oct 2019, 19:00

ER

A museum has 259 paintings and 11 sculptures. How many

Sub 505 (Easy) | Arithmetic, Fractions and Ratios

Sub 505 (Easy) | Arithmetic, Fractions and Ratios hide tags

EMPOWERgmatRichC

01 Oct 2019, 20:55

5

4

2,926

by: Himali24

01 Oct 2019, 21:37

ER

Is X^N an integer? (1) X is an integer (2) N is an integer

605-655 (Medium) | Exponents, Number Properties

605-655 (Medium) | Exponents, Number Properties hide tags

Bunuel

09 Sep 2019, 21:04

5

10

4,072

by: djmobley

30 Sep 2019, 19:13

ER

What percent of a group of numbers are integers greater than 70?

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

14 Aug 2019, 00:52

5

3

2,053

by: Bunuel

10 Sep 2019, 00:45

ER

How long does it take to drive from the factory to the warehouse?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

02 Sep 2019, 23:19

5

10

2,346

by: Archit3110

03 Sep 2019, 22:38

ER

Is ABCD a rectangle? (1) ∠ADC = 90° (2) AD = BC

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

02 Aug 2018, 01:33

5

4

4,531

by: bumpbot

03 Sep 2019, 06:32

ER

If u < v < w and x < y < z, is v < y?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

28 Aug 2019, 02:57

5

9

2,107

by: globaldesi

28 Aug 2019, 12:15

ER

The official height of a skyscraper is equal to the elevation of the

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

22 Aug 2019, 22:41

5

3

2,011

by: WizakoBaskar

23 Aug 2019, 07:59

ER

In the Figure above, O is the center of a semicircle, and p

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

NateTheGreat11

05 Sep 2013, 10:00

5

3,961

by: bumpbot

11 Aug 2019, 18:55

ER

Is the area of circle C greater than the area of square S?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

21 May 2016, 03:50

5

3

7,396

by: bumpbot

08 Aug 2019, 18:54

ER

The graph above shows the curve of f(x). A, B, and C are three points

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

19 Jul 2019, 01:00

5

2,268

by: RajatVerma1392

08 Aug 2019, 01:03

ER

If n is an integer, is n-2 a prime number?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

FJ24

25 Jul 2019, 23:20

5

2

2,304

by: FJ24

27 Jul 2019, 12:56

ER

If p is a positive integer, is integer k prime?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

06 Dec 2016, 07:21

5

8

2,772

by: ILMENF

18 Jul 2019, 15:52

ER

Let h denote the height and b the base of the triangle above. If both

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

11 Jul 2019, 02:35

5

1

1,275

by: Kinshook

11 Jul 2019, 02:51

ER

Is k^2 a prime number?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

09 Jan 2017, 03:19

5

6

3,118

by: bumpbot

09 Jul 2019, 09:16

All the three sides of a room are integer values in meters. What is th

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Harshita6789

01 Jul 2019, 23:42

5

3

1,807

by: saukrit

02 Jul 2019, 12:03

ER

If a bag contains only red and blue balls and probability of picking

555-605 (Medium) | Probability, Word Problems

555-605 (Medium) | Probability, Word Problems hide tags

chetan2u

25 Jan 2018, 21:18

5

2

6,748

by: medic19

02 Jul 2019, 07:33

ER

If two sets of numbers, P and Q, have the same number of elements, is

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Sajjad1994

02 Jul 2019, 03:09

5

1

4,054

by: IanStewart

02 Jul 2019, 06:03

ER

The product of 4 consecutive odd integers is negative. What is the lar

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

MathRevolution

17 Jul 2018, 01:11

5

6

2,160

by: CareerGeek

14 Jun 2019, 23:49

ER

If X and Y are positive integers, is X greater than Y?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

18 Jul 2016, 08:25

5

10

5,339

by: Stepk1386

06 Jun 2019, 14:47

ER

If the average (arithmetic mean) of three positive numbers is 30, how

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

01 Jan 2018, 10:44

5

2

2,294

by: GmatPrime

06 Jun 2019, 13:45

ER

Can the positive integer q be written as the sum of three different

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

10 Dec 2017, 01:22

5

7

3,231

by: Bunuel

27 May 2019, 21:33

ER

If x and y are two distinct positive integers, is x/y an int

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

alphonsa

18 Aug 2014, 09:42

5

10

4,519

by: IanStewart

18 May 2019, 17:31

ER

If m and n are positive integers, is 3√m < √(m+n) ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

irda

15 Aug 2013, 05:06

5

2

3,102

by: bumpbot

12 May 2019, 19:52

ER

Is k = 2m? (1) km < 0 (2) k + 2m < 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Hadrienlbb

26 Nov 2017, 01:54

5

4

2,681

by: bumpbot

09 May 2019, 08:30

ER

A triangular sign was cut from a rectangular piece of paper.

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

energetics

16 Apr 2019, 09:09

5

3

4,795

by: Rakesh1987

04 May 2019, 08:38

ER

If abc ≠ 0 and a/b = b/c, does b = c ? (1) b/c = c/a (2) a = 1

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

02 May 2019, 01:18

5

1

2,636

by: Archit3110

02 May 2019, 03:47

ER

Is integer n greater than 3? (1) (1/100)^n > 0.0001 (2) (1/100)^(n - )

555-605 (Medium) | Exponents, Inequalities

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

Bunuel

01 May 2019, 23:38

5

1

2,302

by: Archit3110

02 May 2019, 02:49

ER

If the total weight of d equally weighted objects is 40 pounds, how

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

03 Oct 2017, 00:03

5

3

2,357

by: mahipal

29 Apr 2019, 05:19

If a and b are positive integers, what is the digit at the units place

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

fitzpratik

20 Apr 2019, 09:13

5

3

1,338

by: mykrasovski

25 Apr 2019, 06:33

ER

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

605-655 (Medium) | Percent and Interest Problems

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

BrentGMATPrepNow

19 Feb 2019, 09:43

5

3

2,025

by: BrentGMATPrepNow

12 Apr 2019, 08:35

ER

If a<b<0 are integers, what is the value of a^3-b^3?

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

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

fskilnik

03 Mar 2019, 17:21

5

3

1,155

by: fskilnik

04 Mar 2019, 05:21

ER

In the figure above, the angle marked at c has been created by extendi

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

04 Apr 2018, 23:24

5

2

3,157

by: BrentGMATPrepNow

21 Feb 2019, 07:56

ER

Bob leaves point A and drives due west to point B. From point B, he dr

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Sajjad1994

13 Feb 2019, 23:27

5

2

6,913

by: Archit3110

14 Feb 2019, 11:34

ER

Is P a prime number?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

chetan2u

04 Dec 2016, 19:29

5

2

3,066

by: bumpbot

08 Jan 2019, 04:29

ER

As shown in the graph above, the circular base of a large oak tree sit

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

17 Dec 2017, 23:25

5

7

3,059

by: chetan2u

27 Dec 2018, 07:59

ER

If (y^2 + 1)^(1/2) = 2, what is the value of y ?

555-605 (Medium) | Algebra, Roots

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

Bunuel

07 Sep 2017, 23:56

5

2

3,334

by: bumpbot

17 Dec 2018, 01:32

ER

How much nitrogen is needed in the mixture used by a lawn maintenance

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

GMATBusters

05 Dec 2018, 07:07

5

1

2,887

by: DavidTutorexamPAL

05 Dec 2018, 07:31

ER

Is m^n a perfect square?

Poor Quality

Poor Quality hide tags

barryseal

01 Dec 2018, 06:24

5

15

1,842

by: barryseal

03 Dec 2018, 00:11

ER

Is x positive? (1) x^2 + 10 x > 0 (2) 3^x > 1

555-605 (Medium) | Exponents, Inequalities

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

Bunuel

29 Oct 2017, 01:41

5

2

2,811

by: BrentGMATPrepNow

29 Nov 2018, 18:07

ER

If x and y both are integers, what is the value of x+y?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Abhi077

03 Nov 2018, 10:03

5

7

1,665

by: chetan2u

27 Nov 2018, 04:53

Rajesh and Pihu started walking from the same point in opposite direct

555-605 (Medium) | Distance and Speed Problems

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

amanvermagmat

25 Nov 2018, 22:09

5

4

1,840

by: soapbolt

27 Nov 2018, 00:11

ER

In the XY-plane, the line with equation ax + by + c = 0, where abc ≠ 0

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

12 Nov 2018, 00:33

5

4

3,489

by: Gladiator59

12 Nov 2018, 03:45

ER

What is the value of x^4y^2 - x^4y^2 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

24 Mar 2015, 04:48

5

8

4,701

by: fskilnik

22 Oct 2018, 12:42