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

78,783

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

188,556

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

487,989

by: bb

29 Aug 2025, 13:27

ER

The distance between City A and City B is 120 miles. A freight train

705-805 (Hard) | Distance and Speed Problems

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

Bunuel

22 Jul 2024, 01:30

8

3

1,816

by: Edskore

14 Mar 2026, 09:33

ER

Is ab + cd > 0 ? (1) ac + db > 0 (2) ad + bc > 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

01 Dec 2022, 02:59

5

2

1,816

by: bumpbot

08 Jun 2025, 10:49

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The number of dogs stocked at a certain pet shop is k times the number

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nislam

29 Oct 2021, 10:30

7

5

1,816

by: andrenoble

06 Nov 2021, 04:37

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What is the ratio between W and Q? (1) Q + W = 23. (2) W is 25% of Q.

505-555 (Easy) | Fractions and Ratios, Percent and Interest Problems

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

Bunuel

14 Oct 2019, 03:11

1

1,816

by: CareerGeek

14 Oct 2019, 05:54

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If y = 4, what is the value of 2x + 7y ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

13 Feb 2019, 00:07

2

1,816

by: EgmatQuantExpert

13 Feb 2019, 23:55

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In a certain museum gift shop, did sales of calendars account for 15

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

30 Dec 2020, 22:00

1

3

1,817

by: bumpbot

18 Jul 2023, 15:57

ER

Given a right circular cylinder with radius 2, what is the height of

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

09 Sep 2018, 08:01

1

1,817

by: MikeScarn

15 Sep 2018, 18:57

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What is the area of the shaded region, if O is the center of the circl

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

11 Sep 2018, 02:11

1

2

1,817

by: Diwakar003

11 Sep 2018, 11:13

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Steve bought some apples at a cost of $.60 each and some oranges at a

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

05 Apr 2024, 01:30

4

1

1,818

by: Nidzo

05 Apr 2024, 03:59

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a + b = 8. Is ab > 8? (1) a^2 - b^2 = 32 (2) a^2 + b^2 = 40

605-655 (Medium) | Algebra, Inequalities

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

Bunuel

03 Nov 2021, 05:00

2

1

1,818

by: Nidzo

03 Nov 2021, 06:15

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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

1,818

by: Gmatmenow

21 Apr 2021, 07:43

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What is the value of the integer y? (1) 40 < y < 44 (2) y has at least

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

31 Dec 2017, 12:05

6

3

1,818

by: bumpbot

27 Sep 2020, 21:50

ER

The total area of the smaller circle is what percent of the total area

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

23 Apr 2018, 21:48

4

1,818

by: smritisingh8

10 May 2018, 07:12

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A certain company produces exactly three products: X, Y, and Z. In 199

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

16 Feb 2022, 08:00

3

1

1,819

by: BrentGMATPrepNow

27 Feb 2022, 08:01

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

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

29 Aug 2019, 06:46

4

1,819

by: Nikhil40

09 Jun 2020, 09:53

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What is the value of b? (1) The radius of the circle is 6 (2) ac = 12

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

09 Sep 2018, 08:03

4

3

1,819

by: madhankumar666

23 Sep 2018, 19:28

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If n is a positive integer, is n equal to 6?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

HKD1710

15 Jan 2017, 07:54

2

1,819

by: Nikkb

07 Sep 2017, 01:24

ER

In a large bookcase, each shelf contains the same number of books

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

13 Dec 2024, 01:30

2

1,820

by: bumpbot

18 Jan 2026, 04:43

ER

Is n divisible 35? 1) 4n^2/15 = Integer 2)2n/7=Integer

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

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

GMATinsight

26 Nov 2020, 22:36

13

5

1,820

by: bumpbot

31 Jul 2025, 20:08

ER

If when k is rounded to the nearest unit, the result is equal to the

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

26 May 2021, 05:30

7

2

1,820

by: bumpbot

14 Nov 2024, 05:54

ER

Is a – b > 2.5 ? (1) a > b + 2.5 (2) a = 3 + b

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

09 Feb 2022, 09:00

3

2

1,820

by: bumpbot

06 Feb 2024, 03:06

ER

What is the value of a + b ? (1) (a + b) 2 = 4 (2) a = 2 b

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Carcass

30 Sep 2022, 00:53

5

4

1,820

by: Bunuel

02 Feb 2023, 09:38

ER

If x and y are positive numbers, is x/y an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

GMATBusters

01 Feb 2020, 19:34

3

6

1,820

by: Archit3110

02 Feb 2020, 02:04

ER

Is x/15 > y/25 ? (1) 5y + 3x > 8x + 2y (2) 6y + 5x > 10x + 3y

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

18 Nov 2019, 02:08

1

1,820

by: rajatchopra1994

18 Nov 2019, 03:23

Maria runs a business of buying and selling of ready-made Tuxedos

555-605 (Medium) | Arithmetic, Percent and Interest Problems

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

amanvermagmat

12 Mar 2018, 03:59

1

2

1,820

by: amanvermagmat

13 Mar 2018, 11:09

ER

What is the average of x and y? (1) 2x + 3y = 12 (2) x and y are

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

17 Jan 2024, 10:45

2

4

1,821

by: saswat1987

09 Mar 2024, 21:38

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If x is a positive number, is x < 1 ? (1) 2x < 1 (2) 2x 2

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

23 Sep 2022, 06:23

1

1,821

by: chetan2u

24 Sep 2022, 22:28

ER

If p is a positive number, is p > 4 ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

20 Jun 2020, 04:43

3

2

1,821

by: chetan2u

20 Jun 2020, 05:03

ER

What is the mean of a, b, c, d, e, and f ?

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

31 Jan 2019, 01:14

4

3

1,822

by: bumpbot

13 Jan 2023, 11:23

ER

In a certain department of ABC business school, there are either accou

555-605 (Medium) | Fractions and Ratios, Word Problems

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

Bunuel

29 Jan 2020, 01:43

4

3

1,822

by: BhishmaNaidu99

29 Jan 2020, 08:40

ER

A and B are two positive integers. What is the Greatest prime factor

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

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

amanvermagmat

17 Mar 2019, 11:38

1

1,822

by: IanStewart

17 Mar 2019, 12:27

ER

Five distinct numbers a, b, c, d, e are in random order. If they are

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

amanvermagmat

05 Jul 2018, 22:04

2

1,823

by: bumpbot

11 Apr 2020, 05:46

ER

If the length of a rectangular solid is 7, then what is its surface

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

EMPOWERgmatRichC

26 Sep 2019, 14:20

2

1,823

by: EMPOWERgmatRichC

26 Sep 2019, 14:34

ER

12 Days of Christmas GMAT Competition 2025 - Day 3: Rita has a bowl

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

1, 2, 3, 4

Bunuel

13 Jan 2026, 10:24

68

60

1,824

by: Bunuel

21 Dec 2025, 00:09

ER

The symbol represents one of the operations: addition, subtraction

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Bunuel

02 Feb 2024, 02:30

3

4

1,824

by: Bunuel

06 Jul 2024, 05:20

ER

If x + y > 0, is xy^2 + x^2y > 0? (1) x > y (2) xy > 1

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

07 Sep 2023, 05:00

5

1,824

by: chetan2u

05 Dec 2023, 19:12

ER

What is the value of (x - 2)(2 + y) ? (1) xy = 6 (2) x + y = 5

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

14 Jan 2020, 05:23

3

1,824

by: Bunuel

03 Nov 2021, 06:49

ER

One side of a certain triangle has length 7. Is the perimeter of the t

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

12 Feb 2023, 22:36

4

1,825

by: dvns

01 Nov 2023, 09:36

Sarah and Michael ran from point A to point B, immediately turned and

555-605 (Medium) | Distance and Speed Problems

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

amanvermagmat

12 May 2018, 22:30

3

2

1,825

by: sanjayparihar16

03 Mar 2023, 23:49

ER

Does a = 0? (1) a^3 = a^4 (2) ab ≠ b

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

25 Sep 2017, 00:07

1

3

1,825

by: bumpbot

08 Nov 2022, 00:49

ER

In the table above, the symbol -- means the expression in the respec

655-705 (Hard) | Functions and Custom Characters

655-705 (Hard) | Functions and Custom Characters hide tags

Bunuel

18 May 2022, 06:00

2

6

1,825

by: Ivy17

05 Jul 2022, 20:00

ER

Is 2^x > 75 ? (1) 3^x > 50 (2) 2^x*3^x > 1500

605-655 (Medium) | Exponents, Inequalities

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

Bunuel

27 Nov 2018, 00:44

4

1,825

by: ArjunJag1328

27 Nov 2018, 05:09

ER

Is m+10 positive?

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sandysilva

18 Dec 2017, 02:58

7

1,825

by: sandysilva

18 Dec 2017, 07:58

ER

If a, b and c are different positive integers, is c the greatest value

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

BrentGMATPrepNow

18 Jul 2022, 09:33

8

3

1,826

by: bumpbot

05 Mar 2025, 02:23

ER

What is the value of x? (1) |y^2 - 4| = x + 2 (2) |5 - x| = 9

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

btrg

16 Apr 2019, 09:04

8

5

1,826

by: bumpbot

30 Dec 2023, 04:34

In a certain class of n students, the average

705-805 (Hard) | Statistics and Sets Problems

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

gmatophobia

26 Sep 2023, 05:17

13

5

1,827

by: ahddhah

16 May 2025, 01:21

ER

A university awarded grants in the amount of either $7,000 or $10,000

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

11 Mar 2024, 01:30

5

1,827

by: Shubhradeep

12 Mar 2024, 14:13

ER

Roland and Felicia are testing circuit boards for wiring errors. Worki

Sub 505 (Easy) | Work and Rate Problems

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

Bunuel

13 Feb 2019, 00:48

2

5

1,827

by: bharat8484

07 Mar 2019, 04:32

Is the number x a multiple of 12?

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MSFApplicant

22 Dec 2018, 20:13

3

1,827

by: assaadh

08 Jan 2019, 17:12

ER

What is the value of x?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

BrentGMATPrepNow

29 Aug 2022, 07:57

4

3

1,828

by: bumpbot

16 Feb 2025, 16:02