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

78,623

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

188,460

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

487,842

by: bb

29 Aug 2025, 13:27

ER

If x and y are integers and y = |x + 3| + |4 - x|, does y equals 7?

555-605 (Medium) | Absolute Values, Inequalities

555-605 (Medium) | Absolute Values, Inequalities hide tags

zaarathelab

27 Jul 2015, 14:57

331

19

42,476

by: Ishaan30

22 May 2025, 12:38

ER

If c and d are integers, is c even?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

1, 2

zaarathelab

30 Jan 2010, 13:15

184

20

30,753

by: agrasan

16 Jul 2025, 20:47

ER

If r and t are positive integers, is rt even?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

msand

04 Jul 2013, 06:48

10

6

15,749

by: bumpbot

10 Mar 2022, 07:48

ER

If a^m = b^n and if a ≠ b ≠ m ≠ n, what is the value of a + b + m + n?

655-705 (Hard) | Algebra, Exponents

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

dkverma

27 Jul 2015, 15:01

12

5

5,445

by: bumpbot

06 Feb 2022, 19:37

ER

If # denotes one of the four arithmetic operations addition, subtracti

505-555 (Easy) | Arithmetic, Functions and Custom Characters

505-555 (Easy) | Arithmetic, Functions and Custom Characters hide tags

MrEasy

03 Feb 2010, 19:08

47

12

19,534

by: ManifestDreamMBA

07 Apr 2025, 09:14

ER

Is rst = 1 ? (1) rs = 1 (2) st = 1

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

1, 2

loki

02 Feb 2022, 00:53

204

28

37,489

by: totaltestprepNick

28 Feb 2026, 09:16

ER

If n is a positive integer and r is the remainder when n^2 - 1 is

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

YTT

28 Jul 2015, 06:52

92

16

27,716

by: ablatt4

28 Aug 2025, 08:53

ER

Ten years ago, scientists predicted that the animal z would

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

alexBLR

13 Feb 2010, 16:38

81

19

20,944

by: bumpbot

16 Aug 2025, 10:13

ER

a^2/b=-8 then what is the value of a(a-b)

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

demodrenyc

15 Jun 2012, 09:22

7

10

5,956

by: bumpbot

09 Jan 2022, 02:06

ER

Any decimal that has only a finite number of nonzero digits

555-605 (Medium) | Fractions and Ratios, Number Properties

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

1, 2

vscid

17 Feb 2010, 16:58

65

21

20,951

by: bumpbot

27 Sep 2024, 01:54

ER

Line m and n pass through point (1,2). Is the slope of m

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

1, 2

apoorvasrivastva

20 Feb 2010, 23:38

62

20

16,564

by: bumpbot

06 Aug 2023, 07:35

ER

If x, y, and z are integers greater than 1, and

805+ (Hard) | Exponents, Number Properties

805+ (Hard) | Exponents, Number Properties hide tags

jeeteshsingh

08 Oct 2012, 04:18

204

5

51,137

by: SatvikVedala

31 Aug 2024, 00:12

ER

Is r/s^2 a terminating decimal?

555-605 (Medium) | Fractions and Ratios

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

SudiptoGmat

23 Feb 2010, 14:23

74

5

27,429

by: bumpbot

21 Jul 2025, 02:03

ER

What is the volume of a certain rectangular solid?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

1, 2

amod243

14 Dec 2012, 05:52

522

20

70,099

by: bumpbot

02 Apr 2025, 18:32

ER

If p/q > 5, is q < 2?

Poor Quality

Poor Quality hide tags

jeeteshsingh

15 Oct 2013, 09:04

6

31,164

by: Bunuel

15 Oct 2013, 09:14

ER

In the xy-plane, what is the y-intercept of line l?

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

testprep2010

28 Feb 2010, 20:51

544

14

138,406

by: bumpbot

05 Feb 2025, 00:26

ER

If x ≠ -y is (x - y)/(x + y) > 1? (1) x > 0 (2) y < 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

1, 2

jusjmkol740

03 Mar 2010, 07:22

257

26

58,383

by: bumpbot

14 Dec 2025, 03:38

ER

The net value of a certain stock increased at a constant

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

AtifS

05 Mar 2010, 23:58

4

3,842

by: KarishmaB

11 Jun 2014, 01:42

ER

Is integer x prime?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

jeeteshsingh

07 Jan 2014, 07:13

7

11

4,760

by: bumpbot

08 Apr 2022, 02:00

ER

On a certain fishing boat that catches tuna, wheeled carts

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

xyztroy

07 Nov 2013, 01:17

10

9

4,400

by: bumpbot

10 Nov 2025, 13:13

ER

In isosceles triangle RST what is the measure of angle R?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

gmatgg

08 Mar 2010, 22:46

214

15

106,340

by: bumpbot

23 Oct 2024, 03:48

ER

Quadrilateral ABCD is a rhombus and points C, D, and E are

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

vscid

13 Oct 2013, 16:03

18

3

5,038

by: Bunuel

13 Oct 2013, 16:05

ER

Is t^2 > t/3?

705-805 (Hard) | Absolute Values, Inequalities

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

moderife

24 Dec 2012, 03:08

10

13

5,774

by: exc4libur

26 Dec 2019, 09:29

What is the value of X? 1) X is a mode of 2) X is neither

505-555 (Easy) | Statistics and Sets Problems

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

BarneyStinson

14 Mar 2010, 13:31

2

5

4,066

by: karan12345

02 Jun 2020, 00:05

ER

Is |x| + |x - 1| = 1? (1) x ≥ 0 (2) x ≤ 1

555-605 (Medium) | Absolute Values, Inequalities

555-605 (Medium) | Absolute Values, Inequalities hide tags

1, 2

abhi758

08 Jun 2021, 08:38

58

22

17,451

by: bumpbot

10 Jul 2022, 22:59

ER

Is 7^7/7^x an integer?

655-705 (Hard) | Algebra +2 tags

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

aramjung

19 Mar 2010, 19:35

38

3

14,999

by: bumpbot

11 Sep 2025, 00:16

ER

If N is a positive Integer, is the units digit of N equal to zero?

505-555 (Easy) | Multiples and Factors

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

meaglesp345

20 Mar 2010, 14:57

121

14

44,009

by: bumpbot

09 Nov 2024, 11:15

ER

If x is positive is x divisible by 2 ? (1) x^3+x is

805+ (Hard) | Algebra, Number Properties

805+ (Hard) | Algebra, Number Properties hide tags

anaik100

22 Mar 2010, 11:56

14

9

11,118

by: gmatopoeia

07 Sep 2011, 02:59

ER

How many hours did it take Helen to drive from her house to her parent

505-555 (Easy) | Distance and Speed Problems

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

changhiskhan

26 Mar 2010, 17:00

81

14

34,530

by: bumpbot

29 Nov 2025, 10:18

ER

During a 7-year period the profits of Midas, Inc. changed by

555-605 (Medium) | Percent and Interest Problems

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

ankithakhu

28 Mar 2010, 01:57

19

12

7,080

by: bumpbot

13 May 2024, 10:25

ER

If p is a prime number greater than 2, what is the value of p ?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

1, 2

aljatar

28 Mar 2010, 05:56

142

20

62,874

by: bumpbot

30 Dec 2025, 09:12

ER

Of the 1400 college teachers surveyed, 42% said they considered engagi

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

1, 2

burnttwinky

30 Mar 2010, 22:58

250

36

53,196

by: bumpbot

17 Aug 2025, 00:23

ER

Is x > y ? (1) (x - y)(x - y) > 0 (2) y > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

sang5650

31 Mar 2010, 15:34

3

7

5,011

by: bumpbot

19 Feb 2020, 07:17

ER

If d is a positive integer, is d^1/2 an integer ?

505-555 (Easy) | Number Properties, Roots

505-555 (Easy) | Number Properties, Roots hide tags

kamalkicks

04 Apr 2010, 12:46

28

11

13,914

by: bumpbot

03 Jul 2025, 10:59

Is positive integer n divisible by 3 ?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

silver870

16 Oct 2019, 05:49

48

7

18,913

by: agrasan

16 Jul 2025, 21:03

ER

If n = p + r, where n, p, and r are positive integers and n

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

abhi758

08 Apr 2010, 03:56

9

6

6,352

by: bumpbot

18 Jun 2025, 00:28

ER

If zt < -3, is z < 4 ? (1) z < 9 (2) t < -4

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

msand

08 Apr 2010, 13:30

44

9

18,002

by: Bunuel

20 Dec 2025, 00:22

ER

If x^2y^3 = 200, what is the value of xy ?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

TheSituation

09 Apr 2010, 20:14

35

6

18,012

by: bumpbot

05 Nov 2024, 01:31

ER

In the triangle above, what is the length of the side BC?

Poor Quality

Poor Quality hide tags

LM

10 Apr 2010, 04:50

1

6

5,535

by: Bunuel

21 Oct 2017, 08:56

ER

A college admissions committee will grant a certain number

605-655 (Medium) | Combinations

605-655 (Medium) | Combinations hide tags

nverma

12 Apr 2010, 13:56

291

17

35,905

by: luisdicampo

15 Apr 2026, 08:25

ER

Whether x>y>z?

655-705 (Hard) | Absolute Values, Inequalities

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

1, 2

xyztroy

12 Apr 2010, 14:21

65

20

13,399

by: bumpbot

21 Nov 2023, 00:29

ER

Four dollar amounts w,x ,y, and z, were invested in a

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

ksharma12

15 Apr 2010, 12:19

38

9

13,527

by: bumpbot

18 Mar 2025, 19:03

ER

A certain carton holds fewer than 50 books. What is the number of book

605-655 (Medium) | Number Properties, Remainders

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

nilesh376

17 Apr 2010, 01:52

8

10

10,785

by: Bunuel

06 Oct 2016, 01:29

ER

How many of the 42 people in a group are employed students?

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

sandranjeim

17 Apr 2010, 05:34

89

7

31,652

by: bumpbot

09 Feb 2026, 11:15

ER

In the rectangular coordinate system, are the points (r,s) and (u,v)

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

1, 2

calvinhobbes

06 Feb 2019, 04:09

318

20

42,335

by: bumpbot

19 Jul 2025, 16:28

ER

To fill an order, a manufacturer had to produce 1000 tools per day for

555-605 (Medium) | Work and Rate Problems

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

sandranjeim

13 Jun 2019, 02:42

118

13

26,385

by: bumpbot

25 Apr 2026, 03:31

ER

Is x y = y x, for all real values of x and y?

555-605 (Medium) | Functions and Custom Characters

555-605 (Medium) | Functions and Custom Characters hide tags

jusjmkol740

07 Oct 2016, 07:35

8

12

7,744

by: bumpbot

31 Dec 2021, 11:02

ER

What is the value of integer x ?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

MBAUncle

20 Apr 2010, 07:04

93

14

13,434

by: bumpbot

05 Sep 2025, 08:48

ER

Is n an integer? (1) n^3 + 3n is an integer. (2) n^4 + 4n is

Poor Quality

Poor Quality hide tags

h2polo

20 Apr 2010, 13:28

5

6

5,538

by: h2polo

20 Apr 2010, 18:25

ER

In a class with 12 children, q of the children are girls.

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

ksharma12

20 Apr 2010, 17:40

8

6

5,026

by: bumpbot

18 Feb 2022, 09:54