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

79,033

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

188,702

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

488,234

by: bb

29 Aug 2025, 13:27

ER

If A is the centre of the circle, what is the value of x ?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

28 Feb 2020, 02:03

10

3,403

by: bumpbot

28 Apr 2021, 11:21

ER

A gym sold only individual and group memberships. It charged a fee of

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

28 Apr 2021, 09:00

1

1,188

by: sumitkrocks

28 Apr 2021, 11:19

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

Right triangles CAB and CDB share hypotenuse CB. If angle ACB is 60°

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

30 Oct 2019, 21:48

3

4

3,627

by: bumpbot

28 Apr 2021, 09:06

ER

At the beginning of the year, Steve bought a total of x shares of stoc

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

28 Apr 2021, 04:30

3

869

by: Iamprithwish

28 Apr 2021, 06:12

ER

Is 25% of n greater than 20% of the sum of n and 1/2 ?

655-705 (Hard) | Inequalities, Percent and Interest Problems

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

Bunuel

28 Apr 2021, 05:00

1

1,046

by: ManyataM

28 Apr 2021, 05:22

ER

If the symbol ‘#’ represents either addition, subtraction, multiplicat

Sub 505 (Easy) | Functions and Custom Characters

Sub 505 (Easy) | Functions and Custom Characters hide tags

Bunuel

28 Apr 2021, 04:00

1

2

1,686

by: Kinshook

28 Apr 2021, 05:05

ER

If the number of students in School A and School B in 2015 were each

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

28 Apr 2021, 04:30

1

1,121

by: ManyataM

28 Apr 2021, 05:00

ER

A group of 5 equally efficient skilled workers together take 18 hours

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

Bunuel

28 Apr 2021, 02:30

1

1,594

by: sumitkrocks

28 Apr 2021, 03:52

ER

From 2001 to 2010, what was the percent increase in total sales revenu

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

28 Apr 2021, 02:30

1

1,606

by: sumitkrocks

28 Apr 2021, 03:42

ER

The total cost for an air conditioning consists of the cost of an air

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

28 Apr 2021, 02:00

1

1,089

by: sumitkrocks

28 Apr 2021, 03:22

ER

What is the remainder when positive integer k is divided by 12?

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

Bunuel

05 Oct 2019, 02:18

8

4

4,059

by: Harshjha001

27 Apr 2021, 12:12

ER

If x is a positive integer, is x a multiple of 12?

555-605 (Medium) | Multiples and Factors

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

Bunuel

22 Apr 2016, 04:36

3

4

4,404

by: bumpbot

27 Apr 2021, 09:34

ER

Is abc = 0? (1) a^2 + b^2 + c^2 = 0 (2) a + b + c = 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

TheUltimateWinner

02 Apr 2021, 11:16

1

3

1,759

by: Bunuel

27 Apr 2021, 00:28

ER

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

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

steppenwolf111

24 Apr 2021, 10:18

1

2

1,497

by: abhishekmayank

26 Apr 2021, 10:28

ER

Is the average of the largest and the smallest of four given numbers g

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

TheUltimateWinner

03 Dec 2019, 08:52

4

2

10,025

by: bumpbot

25 Apr 2021, 12:03

ER

Did John pay less than a total of $d dollars for the phone?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

21 Apr 2021, 07:30

1

1,329

by: TestPrepUnlimited

24 Apr 2021, 14:04

ER

If x and y belong to the set {2, 4}, and x^ky = x^(ly2−8), is kl > 2?

805+ (Hard) | Exponents

805+ (Hard) | Exponents hide tags

Bunuel

21 Apr 2021, 02:00

5

2

2,032

by: TestPrepUnlimited

24 Apr 2021, 13:57

ER

If x ≠ −1, what is the value of x + 3/x + 1 − 2x − 6 ? 1) (1/x + 1 −

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Russ19

24 Apr 2021, 02:23

2

1

1,067

by: chetan2u

24 Apr 2021, 02:39

ER

Is x > 1? (1) x^2 + x + 2 > 8 (2) 8(x – 4) > 4(x – 2)

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

17 Apr 2018, 01:04

6

7

2,824

by: ueh55406

23 Apr 2021, 10:31

ER

Is 3^x > 100? (1) 3^√x = 9 (2) 1/3^x > 0.01

555-605 (Medium) | Exponents, Inequalities

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

Bunuel

21 Apr 2021, 05:30

3

2,010

by: GMATinsight

23 Apr 2021, 06:52

ER

By what percent was the price of a smartphone increased?

Sub 505 (Easy) | Percent and Interest Problems

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

Bunuel

21 Apr 2021, 07:00

2

1,750

by: CrackverbalGMAT

23 Apr 2021, 04:36

If x and y are integers and -50 < x < 0, what is the greatest possible

Poor Quality

Poor Quality hide tags

Soumya200011

28 Feb 2023, 03:53

4

6

3,820

by: MBAB123

23 Apr 2021, 03:42

ER

What is the value of p − q ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

17 Mar 2020, 01:35

7

8

5,314

by: bumpbot

22 Apr 2021, 17:00

ER

m = (1) 7m + 5n = 29 (2) m and n are positive integers.

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

06 Sep 2019, 10:56

4

2

2,014

by: JadAsmar

22 Apr 2021, 14:49

ER

Does point (10,10) lie on line m? (1) Line m passes through point (10

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

Bunuel

20 Apr 2021, 01:30

6

8

2,408

by: sujoykrdatta

22 Apr 2021, 12:30

ER

What is the value of y?

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

03 Dec 2017, 00:50

20

5

3,226

by: bumpbot

22 Apr 2021, 10:24

ER

A farmer has 4 henhouses, each containing 6 egg-laying hens.Each henho

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

05 May 2019, 23:24

2

4

2,824

by: bumpbot

21 Apr 2021, 22:20

ER

A salesperson is paid a fixed monthly salary of $2,000 and a commissio

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

21 Apr 2021, 08:30

2

2,036

by: sujoykrdatta

21 Apr 2021, 20:35

If x and y are positive integers and y<5x, the remainder is z when 5x

705-805 (Hard) | Multiples and Factors +2 tags

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

Jazzmin

25 Oct 2018, 19:18

11

6

4,400

by: Ekland

21 Apr 2021, 13:00

ER

How many bananas did Jerry the monkey eat today? (1) Today, Jerry ate

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

Bunuel

15 Oct 2019, 23:18

2

1,823

by: Gmatmenow

21 Apr 2021, 07:43

ER

ABCDEFGH is a cube. What is the length of the line segment AG ?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

10 Oct 2019, 02:22

3

2

3,451

by: bumpbot

21 Apr 2021, 06:51

ER

If –8 < k < 8, is k < –2 ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

14 Mar 2017, 03:45

5

8

2,513

by: bumpbot

21 Apr 2021, 06:24

ER

In the sequence of nonzero numbers t1, t2, t3, , tn, , tn+1

655-705 (Hard) | Sequences

655-705 (Hard) | Sequences hide tags

Bunuel

21 Apr 2021, 05:00

1

1,924

by: TarunKumar1234

21 Apr 2021, 05:14

ER

If x and y are positive integers, is xy a multiple of 18?

555-605 (Medium) | Multiples and Factors

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

Bunuel

21 Apr 2021, 02:30

1

1,739

by: CrackverbalGMAT

21 Apr 2021, 05:06

ER

If x, y and z are positive integers, is xz odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

21 Apr 2021, 04:00

1

2

1,653

by: TarunKumar1234

21 Apr 2021, 04:44

ER

Is x > 3y?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

25 Apr 2017, 03:14

12

8

4,862

by: bumpbot

21 Apr 2021, 03:29

ER

Is y>y? (1) y < x z (2) z > x

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

20 Apr 2021, 01:30

4

9

1,875

by: Bunuel

21 Apr 2021, 01:15

ER

At a certain bakery all muffin are priced equally and all donuts are p

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

TheUltimateWinner

20 Apr 2021, 11:08

2

1,470

by: Showmeyaa

20 Apr 2021, 22:36

ER

David and Stacey are riding bicycles on a flat road at a constant rate

505-555 (Easy) | Distance and Speed Problems

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

Bunuel

28 Feb 2016, 09:40

26

5

6,244

by: bumpbot

20 Apr 2021, 16:19

ER

For each day at sea a sailor is paid a fixed sum. For each day ahead

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

24 Oct 2019, 22:28

15

3,927

by: bumpbot

20 Apr 2021, 14:59

ER

Is the mean of set Q greater than its median? (1) All the elements in

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

29 Jan 2020, 01:58

3

1,864

by: TestPrepUnlimited

20 Apr 2021, 12:57

ER

In the xy plane, does line L intersect with circle R?

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bunuel

16 Dec 2019, 02:23

9

2

3,040

by: bumpbot

20 Apr 2021, 07:30

A rectangle is rotated around one of its sides

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

SherzodAzamov

10 Jan 2021, 21:35

8

4

3,081

by: hellothere88

19 Apr 2021, 08:51

ER

A circle is inscribed in a square which is further inscribed in

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

mSKR

19 Apr 2021, 01:25

2

1,166

by: MarmikUpadhyay

19 Apr 2021, 01:11

ER

The circular base of a planter sits on a level lawn, and

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Berbatov

26 Aug 2011, 02:02

12

6

6,082

by: bumpbot

18 Apr 2021, 15:27

x represents gallons of gasoline in a gas tank. What is x?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

TheUltimateWinner

18 Apr 2021, 11:19

1

2

1,130

by: Kinshook

18 Apr 2021, 14:07

What is the value of x-z?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

TheUltimateWinner

18 Apr 2021, 09:47

1

1,012

by: ramlala

18 Apr 2021, 11:29

ER

In the diagram find the length of AB?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

11 Nov 2019, 04:41

5

3

3,700

by: Venkatkhad

18 Apr 2021, 10:26

A man mixes two types of rice (X and Y) and sells the mixture at the

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

sumitkrocks

17 Apr 2021, 19:57

1

1,898

by: globaldesi

18 Apr 2021, 06:27