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

78,652

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

854

24

188,477

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

487,867

by: bb

29 Aug 2025, 13:27

ER

Is x*|y| > y^2? (1) x > 0 (2) x > y

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

NoHalfMeasures

18 Oct 2021, 22:07

1

2

1,163

by: NoHalfMeasures

18 Oct 2021, 23:30

ER

What is the probability that a student randomly selected from a class

555-605 (Medium) | Overlapping Sets, Probability

555-605 (Medium) | Overlapping Sets, Probability hide tags

nocilis

05 Feb 2019, 05:45

287

17

191,285

by: Rickooreoisb

08 Jan 2026, 09:06

ER

If vertices of a triangle have coordinates (-2,2), (3,2) and

805+ (Hard) | Absolute Values, Coordinate Plane

805+ (Hard) | Absolute Values, Coordinate Plane hide tags

noboru

10 Aug 2009, 02:25

236

12

47,298

by: bumpbot

28 Mar 2025, 14:05

ER

If 1 book was left when a pile of books was stacked in rows

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

noboru

07 Aug 2009, 16:04

47

10

13,098

by: Souravi99

16 Oct 2024, 06:16

ER

Is A positive? (1) x^2 - 2x + A is positive for all x (2) Ax^2 + 1

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

1, 2

noboru

12 Apr 2018, 01:57

272

35

32,781

by: bumpbot

15 Jun 2024, 03:55

ER

What is the remainder when N is divided by 8? (1) N is a product of

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

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

nkmungila

17 Oct 2017, 05:33

10

4

3,729

by: bumpbot

04 Mar 2025, 03:34

ER

3,5,10,7,x. If x is an integer , is the mean of the five numbers

805+ (Hard) | Statistics and Sets Problems

805+ (Hard) | Statistics and Sets Problems hide tags

nkmungila

10 Oct 2017, 23:24

20

8

8,008

by: bumpbot

05 Sep 2023, 07:17

ER

The sequence x1, x2, ... xn is such that x1 = 5, x2 = 5, x3 = 0, x4 =

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

nkmungila

19 Feb 2018, 05:58

26

4

6,637

by: bumpbot

12 Jan 2023, 10:13

ER

Of the students who attend a library, each student either likes

555-605 (Medium) | Statistics and Sets Problems

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

nkmungila

11 Oct 2017, 21:58

4

1

5,040

by: Bunuel

11 Oct 2017, 22:03

ER

If x is an integer and x > 1, is x equal to 13?

505-555 (Easy) | Multiples and Factors

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

nkmungila

10 Oct 2017, 00:17

1

2,413

by: Bunuel

10 Oct 2017, 00:22

ER

What is the value of X ?

Poor Quality

Poor Quality hide tags

nkme2007

26 Jul 2020, 10:39

2

895

by: IanStewart

27 Jul 2020, 08:07

Is the smallest of five consecutive integers even? (1) The product of

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

nkin

21 Nov 2018, 07:08

5

3

15,416

by: bumpbot

31 Mar 2022, 11:38

ER

What is the value of x^2+ 5x +4?

Poor Quality

Poor Quality hide tags

nkimidi7y

05 Sep 2012, 12:30

4

15

5,299

by: AbhiJ

31 Oct 2012, 12:56

Is (a + b) < (c + d)? (1) c and d are negative integers such that

Poor Quality

Poor Quality hide tags

Nixondutta

09 Apr 2018, 04:40

18

8

2,070

by: ShukhratJon

22 May 2019, 02:51

ER

Is x^2yz negative? (1) x < 0 (2) y < 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Nivranshu

08 Sep 2021, 08:28

6

2,781

by: Archit3110

08 Sep 2021, 10:59

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

1,512

by: MathRevolution

20 Oct 2020, 11:01

ER

Of the students in a certain class, 55% of the female and 35% of the

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

nitya34

29 Mar 2009, 10:59

26

14

12,174

by: bumpbot

27 Sep 2025, 09:49

ER

What is the result when x is rounded to the nearest hundredt

655-705 (Hard) | Fractions and Ratios, Number Properties

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

nitindas

03 Aug 2009, 12:58

222

15

41,248

by: bumpbot

13 Aug 2025, 13:48

ER

If x and y are negative numbers, is x<y?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

nitin6305

21 May 2023, 01:25

91

9

19,715

by: bumpbot

27 Sep 2024, 06:08

ER

Is xy + xy < xy ? (1) x^2/y < 0 (2) x^9*(y^3)^3 < (x^2)^4*y^8

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

nitin1negi

07 Feb 2021, 04:29

16

5

5,569

by: bumpbot

23 Oct 2020, 02:00

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

1,179

by: Kinshook

25 Nov 2023, 05:15

ER

Line M is tangent to a circle, which is centered on point

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

nitestr

12 Jun 2013, 18:45

29

10

12,169

by: bumpbot

02 Jan 2024, 11:07

The nth term of an increasing sequence S is given by Sn = Sn-1 + Sn-2

805+ (Hard) | Algebra, Sequences

805+ (Hard) | Algebra, Sequences hide tags

niteshwaghray

01 Jun 2017, 22:35

43

3

7,645

by: bumpbot

16 Apr 2026, 02:25

ER

The monthly performance bonus of a salesman depends on the number of u

605-655 (Medium) | Algebra, Word Problems

605-655 (Medium) | Algebra, Word Problems hide tags

niteshwaghray

23 May 2017, 01:01

5

2

3,070

by: bumpbot

07 Apr 2026, 12:01

ER

If the points p, q r and s are equally spaced in a number line, where

705-805 (Hard) | Algebra, Sequences

705-805 (Hard) | Algebra, Sequences hide tags

niteshwaghray

23 May 2017, 01:03

12

6

5,476

by: bumpbot

02 Dec 2025, 20:40

ER

The area of a rectangle is 28 square centimeter. What is the perimeter

805+ (Hard) | Algebra, Geometry

805+ (Hard) | Algebra, Geometry hide tags

niteshwaghray

01 Jun 2017, 13:34

27

6

8,713

by: bumpbot

05 Jul 2023, 14:29

ER

If ap > aq, is a/pq>0?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

niteshwaghray

23 May 2017, 00:59

20

6

6,786

by: bumpbot

11 May 2023, 23:42

ER

In the figure above, Δ POQ and Δ AOB are both right-angled at point O.

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

niteshwaghray

29 May 2017, 11:43

15

3

4,842

by: bumpbot

09 Jan 2023, 01:28

ER

What is the value of (y^2–x^2)/(x^2y^2)

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

niteshwaghray

23 May 2017, 00:40

4

3

3,237

by: MBAHOUSE

14 Jul 2022, 07:43

ER

In the rectangular coordinate system are the points A and B equidistan

805+ (Hard) | Coordinate Plane, Geometry

805+ (Hard) | Coordinate Plane, Geometry hide tags

niteshwaghray

23 May 2017, 00:56

13

3,519

by: bumpbot

04 Oct 2021, 05:35

ER

If ab > 0, what is the value of (a + b)2 (1) a2 = 4 (2) b2 = 1

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

niteshwaghray

23 May 2017, 12:14

3

3,067

by: MHIKER

12 Jan 2021, 13:26

ER

Z=2a×5b×7c A positive integer Z can be expressed in terms of its prime

805+ (Hard) | Algebra, Exponents

805+ (Hard) | Algebra, Exponents hide tags

niteshwaghray

23 May 2017, 00:34

21

9

3,603

by: MHIKER

12 Nov 2020, 15:56

ER

In a sequence of 10 consecutive integers, what is the average of all n

Poor Quality

Poor Quality hide tags

niteshwaghray

20 Feb 2018, 09:25

7

4

2,739

by: Kritisood

13 Jun 2020, 02:17

ER

If P & Q are integers such that |P|Q=4|P|Q=4 , is P negative? (1) |P|+

705-805 (Hard) | Absolute Values, Algebra

705-805 (Hard) | Absolute Values, Algebra hide tags

niteshwaghray

23 May 2017, 00:59

17

5

2,653

by: bumpbot

17 May 2019, 05:57

ER

Find the perimeter of the rectangle ABCD, if the length and breadth ar

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

niteshwaghray

23 May 2017, 00:55

5

3

4,126

by: bumpbot

28 Aug 2018, 14:09

ER

A square EFGH is inscribed in another square ABCD as show in the figur

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

niteshwaghray

29 May 2017, 11:21

1

8,046

by: Bunuel

29 May 2017, 11:30

ER

In the sequence of positive integers a1,a2,a3,...,an−1,an where n > 5

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

nislam

10 Nov 2021, 10:52

12

3

4,780

by: Adit_

16 Apr 2026, 23:33

ER

$5000 is invested in one account that pays x percent simple interest p

655-705 (Hard) | Percent and Interest Problems

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

nislam

23 May 2022, 13:52

8

3

1,950

by: bumpbot

04 Nov 2025, 07:08

ER

If a and b are positive integers, and a < b, does the decimal expansio

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

nislam

05 Feb 2022, 10:38

10

5

1,866

by: bumpbot

17 Sep 2025, 21:29

ER

What is the standard deviation of the three numbers x, y, and z that h

705-805 (Hard) | Statistics and Sets Problems

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

nislam

08 Jun 2022, 11:32

9

2

2,212

by: bumpbot

11 Aug 2025, 13:48

ER

10, 3, 12, 5, 6, x What is the value of x in the above set of number

655-705 (Hard) | Statistics and Sets Problems

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

nislam

16 Dec 2021, 10:35

5

3

1,878

by: iamjatinagrawal

13 Mar 2025, 01:00

ER

Is the least common multiple of positive integers x and y greater tha

655-705 (Hard) | Multiples and Factors

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

nislam

02 Nov 2021, 09:34

4

5

2,193

by: bumpbot

04 Nov 2023, 20:43

ER

The total number of students attending Almeida County Elementary Schoo

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

nislam

21 Jun 2022, 01:31

12

4

1,647

by: bumpbot

15 Jul 2023, 01:27

ER

If n and d are positive integers, n/d = 23.42, and r is equal to the

805+ (Hard) | Remainders

805+ (Hard) | Remainders hide tags

nislam

03 Nov 2021, 10:35

7

2

1,546

by: bumpbot

03 May 2023, 07:50

ER

When n is divided by 9 the remainder is 2. If n is a positive integer,

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

nislam

24 Jun 2022, 09:55

3

1,887

by: AmanAngrish

15 Jul 2022, 20:45

Given x 0, what is the value of ||x|- x |/x ?

605-655 (Medium) | Absolute Values

605-655 (Medium) | Absolute Values hide tags

nislam

06 Jul 2022, 11:00

2

1,445

by: gmatophobia

08 Jul 2022, 09:03

If john paid 25 cents for each apple, and 15 cents for each banana, th

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

nislam

21 Jun 2022, 09:41

2

1,049

by: adityasingh309

06 Jul 2022, 02:56

Given a>b>c>0, is the average of a, b, and c equal to their median?

555-605 (Medium) | Statistics and Sets Problems

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

nislam

24 Jan 2022, 10:48

1

964

by: Bacco361

24 Jan 2022, 13:35

ER

In one list of N consecutive integers, the smallest value is S and th

655-705 (Hard) | Statistics and Sets Problems

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

nislam

16 Jan 2022, 10:52

3

1

1,373

by: stne

20 Jan 2022, 21:24

ER

In a certain class of 120 students there are 20 boys that don't have b

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

nislam

30 Nov 2021, 10:41

3

1

1,172

by: Bunuel

10 Dec 2021, 23:30