GMAT Data Sufficiency (DS) Forum - Free Practice Questions

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Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

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Bunuel

25 Oct 2022, 08:11

189

15

89,263

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of June 2026

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1, 2

Bunuel

01 Jan 2026, 05:45

872

24

194,340

by: bumpbot

16 Sep 2025, 06:05

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DS Question Directory by Topic and Difficulty

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bb

23 Aug 2026, 13:03

1.6k

1

496,522

by: bb

23 Aug 2026, 13:01

In triangle RST in the figure above, does RS = RT?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

30 Apr 2019, 01:31

4

3,118

by: Archit3110

30 Apr 2019, 08:36

In the rectangular solid above, if AB = 5, what is the surface area of

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

30 Apr 2019, 02:08

1

1,304

by: sayan640

30 Apr 2019, 02:35

ER

In the rectangle coordinate system, triangle ABC has a

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

eladshush

04 Oct 2010, 06:27

6

5

6,048

by: bumpbot

29 Apr 2019, 23:29

If the total weight of d equally weighted objects is 40 pounds, how

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

03 Oct 2017, 00:03

5

3

2,430

by: mahipal

29 Apr 2019, 05:19

ER

If p and q are positive integers, is p/q also an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

venkateshraviraj

28 Apr 2019, 08:25

3

4

1,603

by: Bunuel

28 Apr 2019, 08:26

ER

ABCD is a square, and EFGH is a square, each vertex of which is on a s

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

mikemcgarry

27 May 2016, 17:05

7

5

7,358

by: Akash777

26 Apr 2019, 20:19

ER

Is x> 0? 1) 4^x= 1/64 2) (-4)^x= -64

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TheUltimateWinner

22 Apr 2019, 12:15

8

1,081

by: IanStewart

26 Apr 2019, 06:17

ER

If M=P*Q, where P and Q are different positive integers,

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

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

yaj

08 Aug 2013, 11:13

22

5

6,047

by: bumpbot

25 Apr 2019, 12:35

ER

Are there any prime numbers between the integers m and n?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

05 Dec 2016, 03:05

1

4

2,089

by: IanStewart

25 Apr 2019, 11:33

ER

Taps P, Q and R fill identical tasks at different constant rates. Tap

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btrg

25 Apr 2019, 08:03

2

1

980

by: IanStewart

25 Apr 2019, 09:03

If a and b are positive integers, what is the digit at the units place

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

fitzpratik

20 Apr 2019, 09:13

5

3

1,393

by: mykrasovski

25 Apr 2019, 06:33

ER

What is the sum of the two numbers x and y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

MahmoudFawzy

24 Apr 2019, 21:27

2

1

2,305

by: GyanOne

25 Apr 2019, 00:59

ER

If k and m are positive integers, what is the remainder when k is divi

805+ (Hard) | Remainders

805+ (Hard) | Remainders hide tags

PriyankaPalit7

23 Apr 2019, 00:21

29

1

3,621

by: chetan2u

25 Apr 2019, 00:46

If p and q are composite integers, is p/q an integer?

705-805 (Hard) | Multiples and Factors, Number Properties

705-805 (Hard) | Multiples and Factors, Number Properties hide tags

Amrita2405

14 Apr 2019, 10:35

11

5

2,747

by: JDF

24 Apr 2019, 20:34

ER

Is x > 10?

555-605 (Medium) | Absolute Values, Algebra

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

vitorpteixeira

07 Oct 2017, 11:55

7

5

2,536

by: bumpbot

24 Apr 2019, 03:31

ER

R1 and R2 are two rectangular tanks. Which one of them has a greater

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

amanvermagmat

14 Mar 2018, 22:44

4

7

2,052

by: bumpbot

23 Apr 2019, 12:51

For positive integer a, is the expression [m](a - 4)(a^2 + 5a + 6[/m]

555-605 (Medium) | Algebra, Coordinate Plane

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

btrg

18 Apr 2019, 09:48

3

1,387

by: medic19

23 Apr 2019, 04:54

ER

If A, B, C are non-zero numbers, is A negative? (1) C^2 is less than

555-605 (Medium) | Exponents, Number Properties

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

amanvermagmat

26 Mar 2018, 05:21

4

2

1,750

by: bumpbot

22 Apr 2019, 03:38

ER

Points A, B, and C are points on a circle with a radius of 6. Point D

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

mikemcgarry

08 Jun 2016, 12:09

6

5

3,356

by: bumpbot

21 Apr 2019, 07:38

ER

Is A > B? (1) AX > BX (2) X < 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

13 Feb 2018, 01:17

2

4

2,807

by: energetics

20 Apr 2019, 18:26

ER

If |2x-1| < 5, is |x|<2 ?

655-705 (Hard) | Absolute Values, Inequalities

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

AnisMURR

19 Dec 2018, 02:12

6

5

1,877

by: energetics

20 Apr 2019, 15:32

ER

If x>y, then is 1/x < 1/y?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

fitzpratik

28 Nov 2018, 10:01

2

3

5,664

by: AvidDreamer09

17 Apr 2019, 12:22

ER

Is integer x odd?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

KeithC517

21 May 2017, 11:55

2

4

2,392

by: BrentGMATPrepNow

17 Apr 2019, 06:38

ER

If 0 < a < b, is b - a < 0.00003?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

btrg

16 Apr 2019, 09:23

2

1,035

by: ghostSatyendra

16 Apr 2019, 21:41

What is the units digit of (16^8)(44^x)(37^5)?

555-605 (Medium) | Exponents, Number Properties

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

Jazzmin

25 Oct 2018, 12:51

3

5

2,149

by: ashwink

16 Apr 2019, 19:53

ER

Find the area of the rectangle ABCD, if the length and breadth are odd

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

saukrit

14 Apr 2019, 08:29

2

2,243

by: Archit3110

14 Apr 2019, 09:20

ER

If x and y are positive integers, what is the value of x + y?

605-655 (Medium) | Percent and Interest Problems

605-655 (Medium) | Percent and Interest Problems hide tags

BrentGMATPrepNow

19 Feb 2019, 09:43

5

3

2,100

by: BrentGMATPrepNow

12 Apr 2019, 08:35

ER

Sandra is paid an hourly base rate for babysitting up to two children

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

AkshdeepS

05 Nov 2018, 11:32

7

2

1,983

by: ravi546

11 Apr 2019, 01:52

If TheSituation's average score for three games of pinball

505-555 (Easy) | Statistics and Sets Problems

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

TheSituation

23 May 2010, 11:38

1

6

3,125

by: bumpbot

10 Apr 2019, 06:02

ER

What is the hundreds digit of a three digit number N

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

push12345

14 Jul 2018, 02:00

3

2

3,742

by: Archit3110

08 Apr 2019, 00:26

What is the ratio in which a dealer mixes two varieties of coffee?

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AR15J

30 Nov 2016, 09:42

16

7

4,585

by: anmolgmat14

07 Apr 2019, 16:35

ER

What is the value of x?

655-705 (Hard) | Algebra +2 tags

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rohankant12

04 Sep 2015, 10:01

11

17

3,653

by: Mo2men

07 Apr 2019, 12:33

ER

Is s between r and t (1) |r-t| > |r-s| (2) |r-t| > |t-s|

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

04 Apr 2019, 22:47

2

1,774

by: Archit3110

06 Apr 2019, 03:56

ER

Chloe drove to her friend's house at an average speed of 60 miles per

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

Bunuel

09 May 2017, 03:05

17

7

5,591

by: energetics

05 Apr 2019, 11:30

What is the volume of a box with dimensions a, b, and c?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

dabaobao

05 Apr 2019, 09:04

1

2

1,677

by: DClifelonglearner

05 Apr 2019, 09:29

ER

What is the sum of all 50 numbers in a list?

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

brunora

04 Sep 2014, 16:53

14

4

8,483

by: bumpbot

05 Apr 2019, 09:27

What is the value of x?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

dabaobao

05 Apr 2019, 09:09

1

956

by: dabaobao

05 Apr 2019, 09:12

If a and b are positive integers and a≠1, does a = b?

555-605 (Medium) | Multiples and Factors

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

Bunuel

04 Apr 2019, 22:37

2

1,308

by: Archit3110

05 Apr 2019, 03:23

What is the value of integer n?

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

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

AkshdeepS

05 Apr 2019, 01:16

1

2

1,270

by: AkshdeepS

05 Apr 2019, 01:17

ER

Z is a two digit positive integer, Z is equal to 7 times the sum of it

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Creeper300

05 Nov 2010, 09:41

6

10

4,773

by: bumpbot

05 Apr 2019, 00:18

ER

If x, y, and z are integers and (2^x)*(5^y)*z = 0.00064, what is the

605-655 (Medium) | Algebra, Exponents

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

Bunuel

06 Nov 2014, 09:18

22

11

12,107

by: BrentGMATPrepNow

04 Apr 2019, 09:54

Is x>3? 1) x+|y|=2 2) y^2>25

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

TheUltimateWinner

04 Apr 2019, 08:53

2

1

796

by: BelalHossain046

04 Apr 2019, 09:15

Is x<1/2? 1) 2^x<1/4 2) 2^2x<2

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

TheUltimateWinner

29 Mar 2019, 08:46

4

1

976

by: Archit3110

03 Apr 2019, 08:51

ER

Using the expression 4x + 3y + z = 8, what is the value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

13 Feb 2019, 00:59

6

1,887

by: dine5207

03 Apr 2019, 08:37

A translation from P(x, y) to P(x', y') is described as "8 units right

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

AkshdeepS

28 Mar 2019, 22:03

1

1,110

by: Archit3110

03 Apr 2019, 08:32

ER

Is xyz > 0 ? (1) xy + yz > 0 (2) xz > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

avohden

16 Nov 2013, 00:51

4

5,406

by: bumpbot

03 Apr 2019, 05:55

ER

A vehicle averaged x miles per hour for 3/2 hours and y miles per hour

605-655 (Medium) | Distance and Speed Problems

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

Bunuel

20 Mar 2018, 06:41

10

4

4,325

by: Archit3110

03 Apr 2019, 05:49

ER

If x and y are positive integers, is xy even? 1) x+y is odd 2) xy is e

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

MathRevolution

27 Jul 2017, 01:10

4

2,437

by: lucajava

02 Apr 2019, 10:16

ER

If N is a positive integer, is N divisible by 29?

605-655 (Medium) | Multiples and Factors

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

rohan2345

01 Apr 2019, 10:45

2

1,300

by: GMATinsight

02 Apr 2019, 02:48

A positive integer N has exactly 4 unique positive factors. What is th

655-705 (Hard) | Multiples and Factors

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

amanvermagmat

21 Mar 2019, 22:21

6

4

1,970

by: Shobhit7

31 Mar 2019, 16:41