GMAT Data Sufficiency (DS) Forum - Free Practice Questions

ER

Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

179

15

79,105

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

188,743

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

488,318

by: bb

29 Aug 2025, 13:27

ER

What is the area of the triangle PQR w

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

GMATBusters

08 Oct 2020, 04:53

2

1,525

by: TestPrepUnlimited

09 Oct 2020, 11:04

ER

Given n is a positive integer, what is a remainder when 3^n is divided

555-605 (Medium) | Exponents, Remainders

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

Russ19

08 Oct 2020, 06:41

5

2

1,893

by: bumpbot

22 Dec 2022, 09:04

ER

What is the value of x^2 + 6x + 9 ? (1) x^2 + 6x = 40 (2) x + 3 = 7

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

edison2020

09 Oct 2020, 06:03

7

11

3,343

by: charlie1195

18 Dec 2024, 08:22

Is x an even integer ? (1) x is the sum of all positive integers rang

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

AnisMURR

08 Oct 2020, 09:39

5

1,952

by: bumpbot

27 Nov 2023, 11:10

ER

What is the value of t? (1) t(t - 1)^2 = 4t (2) t is an even integer

555-605 (Medium) | Algebra +2 tags

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

Bunuel

09 Oct 2020, 00:15

21

11

5,376

by: Bunuel

08 Jul 2023, 09:57

x is the sum of three consecutive multiples of 999. Is x eve

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Gumowl

09 Oct 2020, 00:44

1

3

1,009

by: XyLan

09 Oct 2020, 03:22

[x] is the greatest integer less than or equal to x, eg, [1.5]=1. [m]=

505-555 (Easy) | Functions and Custom Characters

505-555 (Easy) | Functions and Custom Characters hide tags

siddharthkapoor

09 Oct 2020, 23:20

1

1,441

by: QuantMadeEasy

10 Oct 2020, 00:38

ER

In kitchen pantry, cans are stacked on the circular ends to create

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Nums99

10 Apr 2022, 02:44

9

6

3,614

by: bumpbot

10 Aug 2023, 10:33

ER

Is 8^x+8 divisible by 10?

655-705 (Hard) | Exponents, Multiples and Factors

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

TheUltimateWinner

10 Oct 2020, 08:09

8

4

1,584

by: bumpbot

24 Oct 2023, 05:43

Is m > n? (1) m + k > n + k (2) m – n > 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Russ19

11 Oct 2020, 07:17

2

1,596

by: bumpbot

24 Oct 2023, 21:00

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Is X an even integer ?

Poor Quality

Poor Quality hide tags

AnisMURR

12 Oct 2020, 10:58

4

5

1,210

by: VoltAmpere

15 Oct 2020, 17:49

ER

If a, b, and c are positive, is a > b?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

13 Oct 2020, 00:15

8

5

4,255

by: bumpbot

15 Jul 2022, 04:06

ER

Each of the dinners served at a banquet was either chicken or beef or

655-705 (Hard) | Fractions and Ratios

655-705 (Hard) | Fractions and Ratios hide tags

Bunuel

14 Oct 2020, 00:15

61

8

16,140

by: bumpbot

19 Mar 2025, 01:30

ER

Is x + 2y - 3z > 0 ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

14 Oct 2020, 00:15

30

14

6,399

by: bumpbot

24 Nov 2024, 05:03

ER

If s, p, t are there such that s < p < t, is the average (arithmetic

505-555 (Easy) | Statistics and Sets Problems

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

siddharthkapoor

15 Oct 2020, 05:25

1

2

1,345

by: mukherjeeabhish

16 Oct 2020, 02:23

ER

On Halloween, Céilidh distributed candy to the trick-or-treaters who

705-805 (Hard) | Fractions and Ratios

705-805 (Hard) | Fractions and Ratios hide tags

N22J

25 Oct 2024, 06:38

11

7

3,122

by: Armaan209

25 Oct 2024, 23:49

ER

If x and y are positive integers, 80 = 22x + y what is the value of y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

15 Oct 2020, 08:46

3

4

1,841

by: bumpbot

26 Oct 2021, 00:29

ER

What percentage of Apple’s sales in 2019 were computer sales?

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

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

GMATBusters

15 Oct 2020, 22:00

2

1,468

by: VoltAmpere

15 Oct 2020, 22:44

ER

List P contains m numbers; list Q contains n numbers. If the two lists

705-805 (Hard) | Statistics and Sets Problems

705-805 (Hard) | Statistics and Sets Problems hide tags

Bunuel

16 Oct 2020, 00:15

48

7

11,163

by: bumpbot

19 Jan 2026, 09:24

ER

The total amount that John paid at a certain restaurant consisted of

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

16 Oct 2020, 00:15

8

7

5,645

by: bumpbot

08 Jun 2025, 16:06

ER

If y = ax + b, where a and b are constants, what is the value of y whe

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

17 Oct 2020, 00:35

6

2

8,645

by: bumpbot

15 Jun 2024, 09:29

ER

Mona has $2.05 in quarters and dimes. How many quarters does she have?

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

17 Oct 2020, 11:59

1

3

3,223

by: MathRevolution

19 Oct 2020, 02:33

ER

Four people plan to rent a summer cottage, apportioning the rent equal

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

17 Oct 2020, 12:02

1

814

by: IanStewart

17 Oct 2020, 14:30

ER

How long does it take Sam to eat an entire large pizza? (1) Thomas can

505-555 (Easy) | Work and Rate Problems

505-555 (Easy) | Work and Rate Problems hide tags

Bunuel

17 Oct 2020, 12:10

2

1,098

by: Archit3110

17 Oct 2020, 12:20

ER

What is the one, unique value of x ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

17 Oct 2020, 12:23

2

4

1,655

by: GM2021

01 Jun 2021, 05:29

ER

If the length of arc ACB in the circle above is 5p, is the length of A

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

17 Oct 2020, 12:26

7

8

2,199

by: Bunuel

23 Oct 2020, 08:54

ER

If the total price of five grocery items is $6.05, what is the price

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

17 Oct 2020, 12:28

2

3

1,513

by: bumpbot

24 Feb 2026, 05:12

ER

How long would it take 5 typists to type thirty pages if all 5 typists

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

Bunuel

17 Oct 2020, 12:49

2

2,062

by: sumisachan

17 Oct 2020, 23:10

ER

If x ≠ 0, what is the value of (x^m/x^n)^p ?

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Bunuel

17 Oct 2020, 12:59

1

6

1,759

by: hellypatel

28 Jul 2023, 01:32

ER

A group of students, no two of whom are the same height, are lined up

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

Bunuel

17 Oct 2020, 13:02

4

2,353

by: CEdward

12 Feb 2021, 21:57

ER

What is the numerical ratio P:Q:R ?

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

17 Oct 2020, 13:03

2

1,436

by: sumisachan

17 Oct 2020, 23:13

ER

If a semicircle and triangle are pieced together to form the figure sh

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

17 Oct 2020, 13:06

2

4

1,635

by: CEdward

19 Feb 2021, 10:11

ER

What is the arithmetic mean (simple average) of a sequence of consecut

655-705 (Hard) | Sequences

655-705 (Hard) | Sequences hide tags

Bunuel

17 Oct 2020, 13:08

7

3

2,990

by: bumpbot

06 May 2024, 23:57

ER

Three salespeople — A, B, and C — sold a total of 500 products among

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

17 Oct 2020, 13:14

6

7

1,805

by: bumpbot

18 Mar 2026, 03:52

ER

Manfred plans to invest a certain amount of money in stocks and a cert

805+ (Hard) | Algebra, Word Problems

805+ (Hard) | Algebra, Word Problems hide tags

SHoylandBPrep

17 Oct 2020, 13:14

3

1,991

by: bumpbot

22 Dec 2022, 04:18

ER

What is the arithmetic mean (simple average) of three numbers?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

17 Oct 2020, 13:23

5

4

2,427

by: bumpbot

30 Nov 2021, 14:24

ER

If x is a non-zero integer, what is the value of x ? (1) -4x - 7 > -1

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

17 Oct 2020, 13:25

2

3

1,701

by: gmatcafe

19 Oct 2020, 19:39

ER

How many boxes, each of which contains 64 cubic inches, will fit into

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

17 Oct 2020, 13:26

3

1,952

by: gmatcafe

19 Oct 2020, 19:49

ER

What is the total profit on sales of seven dozen washers? (1) Washers

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

17 Oct 2020, 13:33

1

3

1,612

by: RuchirB

19 Oct 2020, 10:10

ER

In the figure above, is l1 parallel to l2? (1) x + 90 = 280 - y (2) w

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

17 Oct 2020, 13:36

1

1,503

by: CrackverbalGMAT

17 Oct 2020, 21:25

ER

Distribution D consists of five different numbers. What is the standar

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

17 Oct 2020, 13:46

3

1,228

by: MathRevolution

18 Oct 2020, 02:58

ER

If integer x ≥ 1, is x an even number? (1) x^3 - x^2 - x is an even

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

17 Oct 2020, 13:52

2

1,455

by: TestPrepUnlimited

18 Oct 2020, 06:45

ER

If A > B > 0, is A/B an integer? (1) Neither A nor B is an integer.

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

17 Oct 2020, 14:09

2

4

1,917

by: bumpbot

20 Feb 2023, 17:08

ER

If n is not a prime number, then is the product of all the positive fa

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

SohGMAT2020

18 Oct 2020, 14:24

9

5

2,422

by: bumpbot

24 Nov 2021, 09:54

ER

Two hedge funds reported their performance for the last fiscal year.

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

19 Oct 2020, 00:15

8

7

2,163

by: bumpbot

11 Nov 2025, 05:57

ER

In quadrilateral ABCD, what is the value of angle ADC?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

19 Oct 2020, 00:15

10

5

6,340

by: bumpbot

29 Jul 2023, 18:29

ER

Is x positive? (1) 1/(x+1) < 1/(x-1) where x ≠ 1; x ≠ -1 (2) x is eve

655-705 (Hard) | Algebra, Inequalities

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

siddharthkapoor

19 Oct 2020, 03:22

5

6

1,789

by: Pankaj0901

29 Oct 2020, 11:25

ER

Is x/y = 1 ? (1) x^3/y^3 = 1 (2) x^2/y^2 = 1

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Niveditha28

19 Oct 2020, 05:47

3

4

1,521

by: MathRevolution

20 Oct 2020, 11:01

ER

What is the remainder when positive integer n, where n≥5, is divided b

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

TheUltimateWinner

19 Oct 2020, 08:07

3

4

1,640

by: IanStewart

19 Oct 2020, 22:28

ER

Is z > x, if y > x and x is a negative integer?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

chetan2u

19 Oct 2020, 22:20

3

6

1,809

by: Basshead

03 Nov 2020, 12:54