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

79,115

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

857

24

188,754

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,337

by: bb

29 Aug 2025, 13:27

ER

Andrea makes a certain trip in her car. On the first leg of her trip

605-655 (Medium) | Distance and Speed Problems

605-655 (Medium) | Distance and Speed Problems hide tags

Bunuel

12 Dec 2022, 02:30

3

2

2,941

by: David_Tom

28 Jun 2024, 11:44

Water is pumped into the completely empty tank at a constant rate thro

555-605 (Medium) | Work and Rate Problems

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

Carcass

02 Sep 2022, 00:15

4

2,942

by: bumpbot

05 Apr 2026, 15:38

Is 25% of X greater than 2? (1) X/Y = 4/5; X and Y are both positive

655-705 (Hard) | Arithmetic, Number Properties

655-705 (Hard) | Arithmetic, Number Properties hide tags

amanvermagmat

16 Jul 2018, 11:31

11

2

2,942

by: Oppenheimer1945

16 Jan 2024, 07:27

ER

In the figure shown, if the measure of angle BAD is 60 degrees, ABCD

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

27 May 2018, 10:02

8

3

2,942

by: bumpbot

06 Aug 2023, 06:20

ER

What is the value of term_5 of sequence X?

705-805 (Hard) | Sequences

705-805 (Hard) | Sequences hide tags

BrentGMATPrepNow

07 Aug 2022, 08:14

21

3

2,943

by: bumpbot

15 Oct 2025, 08:52

Find the LCM of a and b

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

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

PrepTap

07 May 2015, 00:15

8

4

2,943

by: sayan640

19 May 2024, 14:22

ER

Is the positive integer x a multiple of 16?

605-655 (Medium) | Multiples and Factors

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

Bunuel

10 Dec 2017, 23:42

1

4

2,943

by: spetznaz

17 Apr 2018, 07:27

ER

What is the value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

harish1986

18 Oct 2015, 13:02

10

8

2,943

by: origen87

30 Mar 2017, 10:32

ER

In the above sequence, x and y are integers, and the numbers are arran

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

02 Dec 2019, 00:42

12

6

2,944

by: bumpbot

08 Aug 2024, 09:31

ER

If line M passes through the coordinate system shown above, does line

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

30 Aug 2018, 04:50

5

2

2,944

by: DanTheGMATMan

14 Oct 2023, 18:06

ER

In right triangle JKL, shown above, what is the length of KL ?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

08 Nov 2021, 02:30

4

3

2,944

by: amxavier09

08 Nov 2021, 21:05

ER

When y^2 is divided by 6, the remainder is r. What is the remainder wh

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

Bunuel

02 Dec 2019, 01:28

15

2

2,945

by: bumpbot

25 Dec 2024, 00:51

ER

A logo consists of an equilateral triangle and a semicircle that both

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

27 Oct 2021, 05:00

2

6

2,945

by: Sushen

10 Mar 2022, 17:14

ER

Is the sum of x, y, and z equal to 3?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

21 May 2017, 04:36

3

2,946

by: Mo2men

21 May 2017, 23:51

ER

Is x > 6? (1) x^2 = 49 (2) 7x = x^2

505-555 (Easy) | Algebra, Inequalities

505-555 (Easy) | Algebra, Inequalities hide tags

Bunuel

27 Feb 2018, 21:17

6

7

2,947

by: bumpbot

24 Dec 2022, 05:01

ER

a and b are integers such that a*b # 0. Is |a|/|b| = a/b?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

joylive

24 Nov 2012, 08:56

5

3

2,947

by: Bunuel

14 Aug 2017, 01:02

ER

What is the sum of the remainders when n positive integers were divide

605-655 (Medium) | Number Properties, Remainders

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

Bunuel

04 May 2022, 01:30

7

3

2,948

by: bumpbot

27 Dec 2024, 03:09

ER

Is |x| > 10?

605-655 (Medium) | Absolute Values +2 tags

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

chetan2u

08 Oct 2017, 21:06

9

10

2,948

by: bumpbot

02 Jul 2019, 12:34

ER

In a certain game, a player will randomly select one marble each time.

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

Bunuel

15 Oct 2021, 01:30

7

3

2,949

by: bumpbot

31 Jan 2024, 08:10

ER

A club has 80 members, each of which practice one or more of tennis,

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

amanvermagmat

08 Dec 2018, 22:58

12

3

2,950

by: bumpbot

04 May 2022, 09:51

ER

If x is an integer, is x < 10? (1) 7x < 77 (2) 190 − 20x < 10

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

28 Jun 2020, 13:29

1

8

2,950

by: bM22

30 Jun 2020, 09:52

ER

Is the greatest common factor (GCF) of x and y greater than 1?

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Bunuel

28 Apr 2016, 01:14

3

2

2,951

by: bumpbot

22 Jun 2025, 12:52

ER

If m is a positive integer with k nonzero digits and no other digits.

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

06 Jan 2021, 01:15

11

4

2,951

by: bumpbot

22 Apr 2025, 05:03

ER

Is x greater than 2.4?

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

Bunuel

11 Jan 2018, 21:59

3

2

2,951

by: bumpbot

21 Oct 2023, 07:19

ER

A total of 240 processed tuna cans were delivered to a sales outlet in

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

25 Nov 2019, 02:53

8

4

2,953

by: Shwetabh54

25 Jan 2026, 09:16

ER

Adam and Bill, each working at his own constant rate, are simultaneous

555-605 (Medium) | Work and Rate Problems

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

Bunuel

21 Mar 2017, 05:18

6

5

2,953

by: bumpbot

10 Nov 2025, 18:22

ER

Find the value of x.

655-705 (Hard) | Exponents +2 tags

655-705 (Hard) | Exponents, Number Properties, Roots hide tags

Bunuel

28 Jul 2021, 09:00

16

11

2,953

by: anirchat

09 Nov 2024, 09:32

ER

If y is an integer, is y^2 divisible by 15?

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

noTh1ng

29 Jul 2015, 01:15

3

2

2,953

by: bumpbot

27 Dec 2023, 04:44

ER

In the figure below, AB and BC are parallel to the X-axis and Y-axis,

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

07 Nov 2018, 02:04

7

3

2,953

by: bumpbot

20 Apr 2022, 00:40

ER

Mary has qualified to become a police officer. Has Albert qualified

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

02 Feb 2018, 00:01

12

9

2,954

by: bumpbot

10 Sep 2025, 18:51

ER

Is d > 1 (1) Median of d, -d, 1/d is d. (2). Median of d d^2 d^3 i

655-705 (Hard) | Statistics and Sets Problems

655-705 (Hard) | Statistics and Sets Problems hide tags

PriyankaPalit7

18 Mar 2019, 10:43

5

4

2,955

by: bumpbot

16 Mar 2026, 05:01

ER

Is x = y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

peacewarriors

08 Jul 2014, 02:03

8

7

2,955

by: bumpbot

29 Oct 2020, 02:43

ER

If x and n are integers such that x = 1^1 + 2^2 + 3^3 + . . . + n^n,

Sub 505 (Easy) | Remainders

Sub 505 (Easy) | Remainders hide tags

Bunuel

06 Nov 2016, 09:21

5

7

2,955

by: bangu

12 Jul 2018, 20:58

ER

What is the ratio of elephants to monkeys in a national zoo, if number

555-605 (Medium) | Arithmetic, Fractions and Ratios

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

amanvermagmat

31 May 2018, 00:18

2

2,955

by: EgmatQuantExpert

31 May 2018, 00:48

ER

The total volume of a wooden wine container and a plastic wine contain

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

15 Sep 2021, 01:30

7

5

2,956

by: bumpbot

17 Sep 2025, 09:53

ER

If the ratio of integers a, b, and c is 1 : 3 : 5, what is the value

505-555 (Easy) | Algebra, Fractions and Ratios

505-555 (Easy) | Algebra, Fractions and Ratios hide tags

Bunuel

30 Oct 2019, 21:44

6

3

2,956

by: bumpbot

26 Jan 2022, 07:21

ER

The parallelogram ABCD is inscribed in the circle with centre O as sho

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

GMATBusters

28 Mar 2020, 19:42

2

8

2,957

by: AnirudhaS

29 Mar 2020, 08:24

A right angle triangle has the ratio of sides as 3:4:5 respectively.

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

amanvermagmat

08 Jan 2019, 22:44

4

5

2,957

by: gauravtewary72

09 Jan 2019, 00:12

ER

If x and y are integers and z = |x − 2| − |y + 2|, does z = 0?

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

20 Mar 2020, 04:12

13

3

2,958

by: bumpbot

25 Jul 2023, 23:55

ER

Is the integer n odd? (1) n^2 - 2n is not a multiple of 4. (2) n is

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

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

Bunuel

17 Mar 2022, 01:30

8

7

2,958

by: ND104

25 May 2022, 06:45

ER

What is the value of m ? (1) |m + 2| = 0 (2) |m + 4| + m = 0

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

Bunuel

13 Aug 2021, 01:30

4

6

2,958

by: AndrewN

21 Aug 2021, 09:44

ER

If a, b, and c are integers, is abc divisible by 8?

505-555 (Easy) | Multiples and Factors

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

Bunuel

03 Nov 2016, 02:26

1

5

2,958

by: stonecold

16 Jan 2017, 03:52

ER

A logistics company sends at least 2 packages every day. Does the tota

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

T03

21 Nov 2017, 20:54

9

5

2,959

by: bumpbot

05 Aug 2025, 08:09

ER

If x + y 0, is 1/(x + y) < 2? (1) x^3 = y^3 (2) 1/x < 2

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

09 Sep 2022, 04:23

11

5

2,959

by: bumpbot

05 May 2024, 08:32

ER

The estimated savings rate of Country X decreased by 10 percent over

505-555 (Easy) | Percent and Interest Problems

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

Bunuel

25 May 2018, 02:02

6

3

2,960

by: bumpbot

10 Mar 2026, 18:33

ER

Is y > z? (1) -y > 2z (2) z > -2y

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

09 Apr 2018, 04:48

8

6

2,960

by: bumpbot

31 May 2023, 04:42

ER

If z is an integer, is z even? (1) z/2 is not an odd integer. (2) z

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

29 Sep 2021, 01:01

3

5

2,960

by: Showmeyaa

30 Sep 2021, 07:56

ER

Two trains (Train A and Train B) leave their stations at exactly 6 pm

505-555 (Easy) | Distance and Speed Problems

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

cat2010

27 Nov 2022, 23:44

10

4

2,961

by: bumpbot

18 Dec 2025, 07:58

ER

In the triangle below, is x > 90? (1) a^2 + b^2 < 25 (2) c > 5

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

05 Nov 2018, 00:58

12

5

2,962

by: chetan2u

30 Dec 2022, 21:25

ER

Is uv > 0? (1) u^2v^3 < 0 (2) uv^2 < 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

05 Oct 2020, 02:45

2

4

2,962

by: MathRevolution

06 Oct 2020, 11:06