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

78,755

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

856

24

188,544

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

487,972

by: bb

29 Aug 2025, 13:27

ER

Is |a| = b - c ? (1) a + c does not equal b (2) a < 0

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

rjkaufman21

20 Sep 2011, 08:04

3

10

4,168

by: bumpbot

28 Aug 2020, 16:02

ER

Does Charles weigh more than Dianne?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

rjaimer1

13 Feb 2021, 16:33

11

5

4,563

by: bumpbot

28 Jul 2025, 23:24

ER

List L: 3, 4, 8, 15, x Is the median of list L greater than 5?

505-555 (Easy) | Statistics and Sets Problems

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

rjaimer1

17 Jan 2021, 14:34

3

2,003

by: globaldesi

18 Jan 2021, 22:28

ER

A group of 7 students took a test. In the test, one student scored 100

655-705 (Hard) | Statistics and Sets Problems

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

RJ7X0DefiningMyX

10 Jul 2019, 07:45

11

3

5,000

by: bumpbot

18 Aug 2024, 09:20

ER

If c and d are real numbers, is the value of c less than the

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

ritumaheshwari02

24 Jun 2015, 07:12

8

3

3,042

by: bumpbot

24 Jul 2023, 05:19

ER

Is x + y > 0 ? (1) x/(x + y) > 0 (2) y/(x + y) > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

ritumaheshwari02

22 Jan 2022, 09:12

4

3,852

by: bumpbot

29 Sep 2022, 11:17

ER

If the ratio x: y:z is 3:5:7, what is the value of z

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

ritumaheshwari02

19 Mar 2015, 05:38

6

3

21,094

by: bumpbot

10 Nov 2018, 15:38

ER

Is the sum of 3 positive integers divisible by 6

505-555 (Easy) | Multiples and Factors

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

ritumaheshwari02

26 Nov 2012, 00:21

8

4,655

by: bumpbot

17 Jul 2018, 02:34

ER

What is the product of positive integers r and s ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

ritumaheshwari02

29 Nov 2012, 10:18

2

3,005

by: bumpbot

29 Mar 2017, 05:56

ER

Is (x-y)*(x+y) an even integer? (1) x and y are integers (2)

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

ritula

20 Nov 2008, 08:31

6

4

4,263

by: kratos0906

13 Apr 2023, 08:23

ER

What is the area of the parallelogram inscribed in a circle?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

ritula

24 Jun 2015, 07:23

14

19

11,197

by: bumpbot

03 Dec 2021, 03:57

ER

The sequence of s1, s2, s3, . . . , sn of n is such that sk = 2k -1 if

605-655 (Medium) | Sequences

605-655 (Medium) | Sequences hide tags

RITU700

05 Mar 2016, 13:29

23

6

7,547

by: bumpbot

18 Apr 2026, 11:58

ER

An arithmetic progression is a sequence in which the difference of any

505-555 (Easy) | Sequences

505-555 (Easy) | Sequences hide tags

RITU700

30 Jun 2017, 03:32

35

5

5,391

by: bumpbot

19 Mar 2025, 22:22

ER

In the finite sequence of positive integers A1, A2, A3, ..., A11,

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

RITU700

05 Mar 2016, 13:08

26

5

7,578

by: bumpbot

23 Jan 2025, 21:30

ER

In the xy-coordinate plane, line L 1 and line L 2 intersect at the

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

RITU700

05 Mar 2016, 12:59

14

4

4,847

by: bumpbot

31 Oct 2021, 09:19

ER

Joe bought only twenty cent stamps and thirty cent stamps. How many

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

rite2deepti

13 Dec 2010, 06:53

103

11

21,183

by: bumpbot

23 Dec 2025, 13:20

ER

In a certain game played with red chips and blue chips, each

705-805 (Hard) | Arithmetic, Word Problems

705-805 (Hard) | Arithmetic, Word Problems hide tags

rite2deepti

25 Nov 2010, 01:58

30

6

13,992

by: bumpbot

06 Jan 2025, 06:07

ER

If x is an integer and 4^x < 100, what is x?

655-705 (Hard) | Exponents, Inequalities

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

1, 2

rite2deepti

24 May 2017, 21:26

98

21

20,929

by: bumpbot

20 Aug 2023, 06:51

ER

In triangle PQR, the measure of angle P is 30 more than

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

rite2deepti

26 Nov 2010, 13:11

10

5

25,256

by: bumpbot

05 Aug 2023, 10:11

ER

Each week John earns X dollars per hour for the first 40

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

rite2deepti

25 Nov 2010, 05:56

6

3

9,243

by: bumpbot

18 Dec 2021, 23:36

If p is a positive integer, is p prime?

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

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

rishabhmishra

19 Mar 2018, 22:32

16

7

4,647

by: bumpbot

03 Sep 2025, 21:28

ER

Is the triangle above equilateral?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

rishabhmishra

17 Mar 2018, 00:18

1

1,550

by: GMATinsight

17 Mar 2018, 05:48

ER

In the sequence of non-zero numbers t1, t2,t3,......tn,.....

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

riks200

12 Jul 2008, 22:34

14

4

8,318

by: Bunuel

23 Aug 2013, 03:25

ER

If ab < ac, which is greater b or c ? (1) a < 0 (2) c < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Riju1191

01 Jan 2011, 12:48

7

12

8,554

by: bumpbot

24 Jun 2019, 15:41

ER

Tonya has a contract to plant saplings along the median of a highway

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

righthand

09 Aug 2020, 04:40

26

6

5,916

by: bumpbot

23 Jun 2025, 15:46

ER

Is r an even integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

righthand

24 Aug 2020, 04:36

7

2

2,188

by: bumpbot

15 Feb 2024, 09:46

ER

From 1984 to 1987, the value of foreign goods consumed annually in the

505-555 (Easy) | Percent and Interest Problems

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

rigger

19 Oct 2005, 20:05

48

12

17,761

by: bumpbot

15 Apr 2025, 07:14

ER

If m is a positive odd integer, what is the average (arithmetic mean)

555-605 (Medium) | Statistics and Sets Problems

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

rigger

17 Oct 2019, 04:52

66

9

22,201

by: bumpbot

04 Mar 2025, 11:30

ER

From Leland's gross pay of p dollars last week, t percent

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

ricokevin

22 Feb 2007, 20:50

253

19

75,637

by: egmat

19 Feb 2026, 04:25

ER

What is the remainder when the positive integer x is divided

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

ricokevin

06 Sep 2014, 09:04

88

12

34,674

by: bumpbot

01 Dec 2024, 23:02

From a group of seven people J, K, L, M, N, P and Q exactly four

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

Rickooreoisb

24 Jan 2026, 09:15

2

505

by: Gmat860sanskar

27 Jan 2026, 11:02

ER

If x is an integer, is x even?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

RichaKhanna

07 Jul 2015, 00:46

1

5

4,336

by: bumpbot

02 Oct 2020, 03:05

ER

If x and y are positive integers and xy is divisible by prime number p

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

RichaChampion

12 Sep 2016, 01:32

22

5

9,738

by: bumpbot

17 Mar 2024, 20:14

ER

What is the ratio x : y: z ?

805+ (Hard) | Fractions and Ratios

805+ (Hard) | Fractions and Ratios hide tags

Ric123

10 Jan 2014, 03:14

46

10

16,244

by: Kushchokhani

09 Jun 2022, 00:28

What is the area of circular region S ?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

rhtavares123

14 Dec 2020, 15:45

3

1,310

by: shameekv1989

15 Dec 2020, 08:34

ER

If a machine depreciates each year at the rate of 50% of its previou

655-705 (Hard) | Percent and Interest Problems

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

rheam25

15 Feb 2020, 05:49

11

4

3,956

by: bumpbot

12 Dec 2025, 03:23

ER

If Q is a positive odd integer, find the remainder when Q is divided b

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

rheam25

08 Feb 2020, 05:35

12

2

3,412

by: bumpbot

06 Nov 2025, 10:51

ER

John starts reading a book from the first page onwards and reads eac

655-705 (Hard) | Word Problems, Work and Rate Problems

655-705 (Hard) | Word Problems, Work and Rate Problems hide tags

rheam25

21 Feb 2020, 10:26

23

4

8,390

by: bumpbot

03 Jul 2025, 07:00

ER

Alan, Botham and Caddick worked on a project one after the other and n

705-805 (Hard) | Work and Rate Problems

705-805 (Hard) | Work and Rate Problems hide tags

rheam25

03 Mar 2020, 12:10

27

3

5,350

by: bumpbot

10 Jan 2025, 04:11

ER

Any decimal that has only a finite number of nonzero digits is a termi

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

rheam25

26 Feb 2020, 08:57

7

2

3,054

by: bumpbot

16 Oct 2024, 08:58

ER

The function {x} is defined as the lowest integer greater than or equa

Poor Quality

Poor Quality hide tags

rheam25

13 Mar 2020, 22:28

9

3

2,346

by: Bunuel

07 Jun 2023, 00:55

ER

A bag contains only two types of coins: 10 cent coins or 1 dollar coin

655-705 (Hard) | Fractions and Ratios

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

rheam25

09 Feb 2020, 07:51

14

4

4,896

by: bumpbot

18 Apr 2023, 10:39

ER

If the x-intercept of a line l is a and y intercept is b. Is the slope

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

rheam25

01 Jun 2020, 05:42

20

7

6,216

by: bumpbot

01 Dec 2022, 18:58

ER

A store stocks shirts, trousers and suits in the ratio of 4:5:6. If th

505-555 (Easy) | Fractions and Ratios

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

rheam25

21 Feb 2020, 08:50

3

3,141

by: san10789

07 Jul 2022, 03:42

ER

In a certain sequence, term a_n can be found using the formula

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

rheabiswal

06 Oct 2018, 03:04

33

8

5,021

by: bumpbot

18 Sep 2023, 15:57

ER

If a>b>0

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Poor Quality hide tags

rheabiswal

01 Oct 2018, 21:38

1

6

1,844

by: rheabiswal

02 Oct 2018, 07:05

ER

If zy < xy < 0, is |x - z | + |x| = |z|?

Poor Quality

Poor Quality hide tags

1, 2

rgtiwari

17 Sep 2010, 12:10

279

21

45,081

by: bumpbot

27 Jul 2022, 11:21

What is the standard deviation of the age of 30 students in a class?

505-555 (Easy) | Statistics and Sets Problems

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

reynaldreni

03 Oct 2018, 19:43

1

1,545

by: Chethan92

03 Oct 2018, 19:49

ER

Is the sum of two positive integers, x + y an odd value?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Rexus

26 Mar 2022, 18:50

9

4

2,242

by: bumpbot

04 Nov 2024, 10:34

ER

Is the triangle in the attached picture isosceles?

Poor Quality

Poor Quality hide tags

retro

16 Apr 2011, 10:56

7

2,679

by: fluke

16 Apr 2011, 12:19