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

176

15

78,823

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

856

24

188,584

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

488,025

by: bb

29 Aug 2025, 13:27

ER

Is x – 2y + z greater than x + y – z?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

20 Dec 2015, 06:04

3

6

3,345

by: bumpbot

12 Dec 2023, 00:21

ER

In a city that has a 6 percent sales tax rate, Vinod purchases a cotto

505-555 (Easy) | Percent and Interest Problems

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

Bunuel

17 Apr 2018, 05:35

3

4

2,198

by: bumpbot

10 Dec 2023, 07:22

ER

Is r < 1? (1) r > 0 (2) r^2 < 1

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

30 Jul 2016, 03:05

3

2,721

by: bumpbot

10 Dec 2023, 07:09

ER

Is x - y > 10 ? (1) 5x + 2y > 10 (2) 2y + x > 10

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

27 Nov 2023, 02:30

3

7

1,385

by: KarishmaB

04 Dec 2023, 02:36

ER

What is the value of X? X is a three digit perfect square with the

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

firas92

17 Oct 2019, 00:24

3

2,499

by: bumpbot

03 Dec 2023, 07:59

ER

At Company R, the average (arithmetic mean) age of executive employees

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

28 Nov 2023, 02:30

3

1

2,539

by: VibhuAnurag

28 Nov 2023, 10:00

ER

What is the value of the positive integer n? (1) n has only two prime

505-555 (Easy) | Multiples and Factors

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

Bunuel

24 Nov 2023, 10:13

3

1

1,215

by: stne

26 Nov 2023, 12:13

ER

If x and y are integers, is x + y an even integer?

555-605 (Medium) | Number Properties, Remainders

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

Bunuel

20 Nov 2023, 02:25

3

1

1,739

by: stne

25 Nov 2023, 16:14

Which of x, x^2, and 1/x is the greatest? (1) x > 0 (2) x < 1

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

NithinRaja

23 Nov 2023, 06:48

3

1,184

by: Kinshook

25 Nov 2023, 05:15

ER

The coach of an athletic team has a certain number of jerseys that he

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Bunuel

22 Nov 2023, 02:30

3

1

1,656

by: stne

24 Nov 2023, 15:21

ER

Each person in a room attends exactly one of the three colleges A, B,

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

LakerFan24

23 Apr 2017, 03:06

3

5

7,158

by: bumpbot

24 Nov 2023, 04:16

ER

What is the value of integer x ? (1) 64^(1/x) = 4 (2) x^2 = x + 6

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

23 Nov 2023, 02:30

3

2

1,571

by: unraveled

23 Nov 2023, 09:05

ER

On the number line, the distance from B to C is 10. Is A closer to B

805+ (Hard) | Absolute Values

805+ (Hard) | Absolute Values hide tags

Bunuel

21 Nov 2023, 02:30

3

4

1,236

by: Githinji

22 Nov 2023, 21:05

ER

If |x| > |y|, is |x + y| = |x| - |y| ? (1) xy < 0 (2) x > 0

605-655 (Medium) | Absolute Values, Inequalities

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

Bunuel

17 Nov 2023, 06:53

3

1

1,210

by: stne

22 Nov 2023, 14:42

ER

If |x + 1/2| = |y + 1/2|, what is the value of x + y?

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

17 Nov 2023, 07:09

3

1

1,137

by: stne

22 Nov 2023, 14:13

ER

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

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

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

Bunuel

03 Nov 2016, 02:47

3

5

3,192

by: bumpbot

21 Nov 2023, 16:13

ER

X is the product of five integers a, b, c, d, e. Is X odd?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

amanvermagmat

16 May 2018, 22:53

3

7

2,245

by: bumpbot

19 Nov 2023, 12:03

ER

In the figure above, point C lies on a horizontal line that is paralle

555-605 (Medium) | Coordinate Plane, Geometry

555-605 (Medium) | Coordinate Plane, Geometry hide tags

Bunuel

26 Nov 2019, 01:05

3

4

2,543

by: bumpbot

17 Nov 2023, 17:11

ER

How far did a certain athlete run this morning? (1) The athlete ran

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

Bunuel

16 Nov 2023, 02:30

3

1

1,160

by: zhanbo

16 Nov 2023, 03:51

ER

Is the length of a side of square S greater than the length of a side

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

27 Dec 2015, 10:48

3

5

5,165

by: bumpbot

15 Nov 2023, 14:56

ER

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

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

15 Nov 2023, 02:30

3

1

904

by: zhanbo

15 Nov 2023, 04:43

ER

Is |x| < 1? (1) |x - 2| = 3|x - 1| (2) |4x - 5| > 0

805+ (Hard) | Absolute Values, Inequalities

805+ (Hard) | Absolute Values, Inequalities hide tags

Bunuel

11 Nov 2023, 03:23

3

1

1,250

by: stne

14 Nov 2023, 13:02

ER

If m is a positive integer, what is the remainder when m^2 is divided

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

Bunuel

11 Nov 2023, 03:02

3

2

1,987

by: WannaManaConsult

14 Nov 2023, 01:10

ER

for all integers m and n, m - n > 0. Is n > 0 ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

shridhar786

12 Sep 2019, 00:06

3

2

1,422

by: bumpbot

13 Nov 2023, 22:36

ER

A certain jewelry store sells gold necklaces in 18-inch and 28-inch le

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

29 Sep 2015, 21:34

3

5

4,836

by: bumpbot

13 Nov 2023, 05:46

ER

If x 0, is x^(-y) > 0 ? (1) y < 0 (2) x < 0

605-655 (Medium) | Exponents, Inequalities

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

Bunuel

12 Nov 2023, 10:01

3

1

1,380

by: VibhuAnurag

13 Nov 2023, 04:18

ER

There are 4 times as many helicopters as there are fighter jets in San

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

02 Nov 2023, 01:30

3

1

1,075

by: VivekSri

12 Nov 2023, 03:37

ER

If O is the center of the circle shown in the figure, what is the sum

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

12 Sep 2018, 01:05

3

4

2,404

by: bumpbot

11 Nov 2023, 06:28

ER

if P+Q= 12, is P>Q?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

GMATBusters

25 Apr 2020, 19:18

3

16

3,240

by: bumpbot

05 Nov 2023, 20:55

If T is an integer between 10 and 100, what is the value of T ? (1) Th

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Carcass

27 Sep 2022, 00:58

3

2

1,814

by: bumpbot

05 Nov 2023, 05:09

ER

What is the value of the positive integer n ?

555-605 (Medium) | Algebra, Inequalities

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

Carcass

29 Sep 2022, 02:28

3

2

1,547

by: bumpbot

05 Nov 2023, 05:01

Is the value of n closer to 25 than to 50 ? (1) 50 n > n 25 (2) n

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Carcass

27 Sep 2022, 00:59

3

2

1,363

by: bumpbot

04 Nov 2023, 05:21

ER

If xy = 8, what is the value of xy(x + y) ?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Carcass

28 Sep 2022, 02:07

3

2

1,382

by: bumpbot

04 Nov 2023, 05:18

ER

If a, b, c and d are distinct numbers, can b be the average of a, b, c

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

30 Jul 2022, 17:15

3

2

1,379

by: bumpbot

04 Nov 2023, 04:55

ER

In a certain class, the ratio of left-handed students to right-handed

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

02 Mar 2022, 09:30

3

7,769

by: Engineer1

30 Oct 2023, 19:47

ER

What percentage of a group of people are men with MBA degrees?

Sub 505 (Easy) | Percent and Interest Problems

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

Bunuel

14 Jul 2021, 03:00

3

4

3,068

by: bumpbot

30 Oct 2023, 18:46

ER

What is the probability of randomly choosing a cow out of all the

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

30 Oct 2023, 01:30

3

1,185

by: vanhanguyen267

30 Oct 2023, 10:14

ER

if a, b, c are the length of sides of a triangle, is

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

GMATBusters

28 Mar 2020, 19:11

3

11

3,040

by: bumpbot

29 Oct 2023, 10:41

ER

A group of 7 students have a combined score of 280 on an aptitude test

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

26 Jan 2022, 06:30

3

2

2,385

by: RenB

28 Oct 2023, 04:40

ER

y= x^2 + 2qx + r, y > 0 ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Hyeyoung

22 Oct 2023, 11:45

3

1

911

by: chetan2u

25 Oct 2023, 23:05

ER

Is integer p even? (1) 2p + 1 is odd. (2) p/2 is even.

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

23 Mar 2022, 02:00

3

2

2,433

by: bumpbot

25 Oct 2023, 05:49

ER

If x and y are integers and 1 < x < y, what is the value of y ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

13 Mar 2020, 07:43

3

2,698

by: bumpbot

25 Oct 2023, 05:46

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

2,949

by: bumpbot

21 Oct 2023, 07:19

ER

What is the value of x ? (1) x^2 = 19 (2) 19^2 = x

555-605 (Medium) | Algebra, Roots

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

Bunuel

17 Oct 2023, 01:30

3

1

1,107

by: DanTheGMATMan

19 Oct 2023, 22:12

ER

What is the value of e? (1) c=3 (2) a=2

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

19 Oct 2023, 01:30

3

2

999

by: cosmoboiAB

19 Oct 2023, 04:50

ER

Does positive integer z equal 5? (1) z is not a factor of 42.

555-605 (Medium) | Multiples and Factors

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

Bunuel

19 Oct 2023, 01:30

3

1

1,126

by: Shyavyansh

19 Oct 2023, 03:12

ER

What is the value of x?

555-605 (Medium) | Algebra, Number Properties

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

GMATBusters

23 Nov 2018, 09:55

3

2

1,930

by: bumpbot

17 Oct 2023, 11:28

ER

If n is a positive integer, what is the n th prime number ?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

19 Oct 2022, 10:14

3

1,364

by: chetan2u

17 Oct 2023, 01:11

ER

What are the coordinates of the midpoint of line segment AB in

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Hoozan

25 Dec 2020, 01:22

3

2

2,672

by: bumpbot

10 Oct 2023, 21:14

ER

If |x-y-2|=4, then what is the value of x-y?

655-705 (Hard) | Absolute Values, Inequalities

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

chetan2u

20 May 2021, 23:44

3

2

1,881

by: bumpbot

10 Oct 2023, 07:09