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

178

15

78,920

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

857

24

188,635

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

488,125

by: bb

29 Aug 2025, 13:27

ER

A cube is painted with blue and red color such that each color is pain

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

pran21

02 Sep 2014, 04:05

18

6

22,049

by: bumpbot

30 Sep 2024, 04:42

ER

Are p, q and r all positive?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

pran21

02 Sep 2014, 03:40

1

2,329

by: Bunuel

02 Sep 2014, 03:44

ER

If a, b and c are positive integers and c is odd, are both a and b div

655-705 (Hard) | Multiples and Factors

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

pran21

02 Sep 2014, 01:46

9

4

3,240

by: bumpbot

01 Aug 2024, 04:24

ER

If a and b are distinct integers and their product is not equal to

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

janani28

01 Sep 2014, 12:09

157

9

16,123

by: bumpbot

26 Aug 2025, 23:04

ER

How long will it take 9 men and 6 women to complete a given task?

805+ (Hard) | Work and Rate Problems

805+ (Hard) | Work and Rate Problems hide tags

alphonsa

31 Aug 2014, 04:18

61

9

8,031

by: sayan640

27 May 2024, 22:04

ER

In a garden, the ratio of the number of apples, bananas and cherries i

655-705 (Hard) | Fractions and Ratios

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

alphonsa

29 Aug 2014, 05:17

11

4

4,316

by: bumpbot

14 Nov 2024, 02:27

ER

If p, q, r, and s are non-zero numbers, is pr/qs > r/q?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Aurion

29 Aug 2014, 04:49

16

13

10,461

by: bumpbot

06 May 2024, 12:22

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Is |x| > |y|?

555-605 (Medium) | Absolute Values, Inequalities

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

anupamgreat

26 Aug 2014, 13:57

6

7

4,306

by: bumpbot

01 Nov 2018, 16:58

ER

Mischa drove from A to B, a distance of 100 miles

705-805 (Hard) | Distance and Speed Problems

705-805 (Hard) | Distance and Speed Problems hide tags

monsama

25 Aug 2014, 03:55

47

5

9,409

by: bumpbot

20 Jun 2024, 02:33

ER

If m, n, and p are three-digit integers and m + n = p

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

monsama

25 Aug 2014, 03:42

54

15

11,277

by: bumpbot

17 Jul 2025, 03:06

ER

This morning, a certain sugar container was full. Since then some of

Sub 505 (Easy) | Percent and Interest Problems

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

kanusha

18 Jul 2019, 02:41

34

13

18,316

by: bumpbot

03 Jul 2025, 23:52

ER

Is m > n ? (1) n – m + 2 > 0 (2) n – m – 2 > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

ksha

08 Jul 2021, 00:27

24

10

15,507

by: bumpbot

20 Nov 2023, 10:22

ER

Is a three-digit number xyz divisible by 7?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

vad3tha

21 Aug 2014, 01:42

23

6

6,625

by: bumpbot

05 Jul 2024, 12:25

ER

Is (x - y) divisible by 3?

655-705 (Hard) | Multiples and Factors

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

alphonsa

21 Aug 2014, 00:15

2

5

4,298

by: bumpbot

17 Aug 2025, 05:58

ER

Is y^2 + 7y + xy even?

805+ (Hard) | Multiples and Factors, Number Properties

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

alphonsa

21 Aug 2014, 00:13

33

11

7,731

by: bumpbot

12 May 2022, 19:24

ER

If n is a nonzero integer, is xn < 1?

505-555 (Easy) | Inequalities, Number Properties

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

lastshot

20 Aug 2014, 20:56

25

8

16,032

by: bumpbot

29 Apr 2024, 10:24

ER

In a survey of a certain locality it was found that 80% of

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

benjamin09

19 Aug 2014, 07:29

13

3

11,505

by: bumpbot

24 Sep 2024, 05:04

ER

Is |x| < 5?

605-655 (Medium) | Absolute Values, Inequalities

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

alphonsa

18 Aug 2014, 09:10

16

10

4,587

by: dabaobao

15 Jun 2018, 08:27

ER

If x and y are two distinct positive integers, is x/y an int

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

alphonsa

18 Aug 2014, 09:42

5

10

4,512

by: IanStewart

18 May 2019, 17:31

ER

Is x^(k+1) > x^k?

705-805 (Hard) | Absolute Values +2 tags

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

alphonsa

18 Aug 2014, 09:47

17

6

3,808

by: GyMrAT

20 Sep 2018, 23:10

ER

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

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

alphonsa

18 Aug 2014, 09:35

7

5

3,497

by: bumpbot

28 Dec 2023, 21:24

ER

What is the value of x^6 + x^(-6) ?

Poor Quality

Poor Quality hide tags

alphonsa

18 Aug 2014, 09:21

3

2

2,580

by: Bunuel

18 Aug 2014, 09:31

ER

If x = 1! + 2! + 3! + ... + n! then what is the remainder

805+ (Hard) | Remainders

805+ (Hard) | Remainders hide tags

alphonsa

18 Aug 2014, 08:59

32

8

5,479

by: bumpbot

29 Aug 2024, 16:36

ER

What is the greatest common divisor of positive integers m

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

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

alphonsa

18 Aug 2014, 08:02

22

4

4,871

by: Pritishd

29 Sep 2021, 05:05

ER

Is the positive integer P a prime number?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

alphonsa

18 Aug 2014, 07:59

24

9

5,776

by: bumpbot

22 Sep 2025, 22:37

ER

Is the integer a even?

505-555 (Easy) | Multiples and Factors

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

devbond

18 Aug 2014, 03:44

1

3

3,347

by: bumpbot

12 Feb 2022, 14:43

ER

If z > 0 is z^(1/3) > z^(1/2) ?

555-605 (Medium) | Exponents, Inequalities

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

pran21

16 Aug 2014, 02:10

3

3,021

by: bumpbot

25 Jul 2017, 03:40

ER

In a set of positive integers {j,k,l,m,n,o} in which j<k<l<m

805+ (Hard) | Statistics and Sets Problems

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

mikemcgarry

15 Aug 2014, 16:19

12

4

9,268

by: bumpbot

12 Aug 2024, 23:18

ER

If AD = 10*3^(1/2) and ADC is a right angle, what is the area of

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

mikemcgarry

15 Aug 2014, 13:04

11

6

4,135

by: bumpbot

13 Apr 2022, 04:41

ER

What is the remainder when the positive integer N is divided by 12?

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

alphonsa

30 May 2016, 14:15

6

7

6,816

by: bumpbot

14 Feb 2023, 06:30

ER

Is P prime? (1) P is divisible by 2 (2) P is divisible by 4.

505-555 (Easy) | Multiples and Factors, Number Properties

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

alphonsa

11 Oct 2023, 00:02

8

3

4,206

by: bumpbot

10 Oct 2023, 22:22

ER

Is the positive number 'x' an integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

alphonsa

15 Aug 2014, 09:00

7

6

3,173

by: bumpbot

19 Feb 2019, 01:18

ER

Is p^2 - 1 divisible by 12?

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

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

alphonsa

15 Aug 2014, 09:13

13

8

9,706

by: KanishkM

05 Jan 2019, 09:04

ER

Is the positive integer P prime?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

alphonsa

15 Aug 2014, 08:51

8

4

3,604

by: bumpbot

26 Sep 2025, 05:16

ER

a is a nonzero integer. Is a^a greater than 1?

555-605 (Medium) | Exponents, Fractions and Ratios

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

NoHalfMeasures

14 Aug 2014, 11:35

67

12

17,716

by: bumpbot

03 Dec 2025, 21:49

ER

What is the value of 6^x*6^y?

505-555 (Easy) | Exponents

505-555 (Easy) | Exponents hide tags

NoHalfMeasures

13 Aug 2014, 11:20

20

2

10,540

by: bumpbot

25 Aug 2024, 21:54

ER

If x is an integer, is x > 0?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Vijayeta

13 Aug 2014, 04:07

42

8

9,465

by: bumpbot

15 Jun 2025, 07:15

ER

The ratio of R to S is 3 to 5, what is the value of the rati

555-605 (Medium) | Fractions and Ratios

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

NoHalfMeasures

12 Aug 2014, 02:33

36

12

16,384

by: bumpbot

10 Mar 2025, 07:05

ER

A rat in a maze starts walking 6 feet in a straight line, th

655-705 (Hard) | Geometry, Word Problems

655-705 (Hard) | Geometry, Word Problems hide tags

pratikshr

11 Aug 2014, 21:20

27

10

8,160

by: jmaxr

06 Jun 2025, 09:54

ER

What is the volume of a certain cube?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

joaomario

12 Aug 2014, 02:23

35

5

20,212

by: bumpbot

03 Dec 2022, 00:14

ER

In a sequence k, each term after the second term is the sum

505-555 (Easy) | Sequences

505-555 (Easy) | Sequences hide tags

NoHalfMeasures

11 Aug 2014, 03:29

32

10

15,164

by: bumpbot

12 May 2024, 11:54

ER

If n is an integer, is n even?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

NoHalfMeasures

10 Aug 2014, 12:22

12

13

12,030

by: Bunuel

20 Aug 2025, 02:54

Integers a and b are such that a - b > 0. Is |a| > |b| ?

705-805 (Hard) | Absolute Values, Inequalities

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

alphonsa

12 Aug 2014, 07:47

7

4

3,382

by: Archit3110

05 Mar 2019, 12:07

ER

If m and n are non-zero integers, is m^n > n^n? (1) |m| = n (2) m < n

805+ (Hard) | Absolute Values +2 tags

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

smyarga

09 Aug 2014, 06:28

32

8

6,707

by: bumpbot

11 Jan 2019, 11:17

ER

From a group of M employees, N will be selected, at random,

705-805 (Hard) | Combinations, Probability

705-805 (Hard) | Combinations, Probability hide tags

mikemcgarry

07 Aug 2014, 14:58

163

16

17,868

by: Aabhash777

31 Jul 2025, 04:11

ER

Is y < z ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Gnpth

07 Aug 2014, 11:37

9

11

4,119

by: bumpbot

05 Jul 2023, 05:16

ER

A Wagstaff prime is a prime number p such that p =

705-805 (Hard) | Algebra, Exponents

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

pratikshr

12 Aug 2014, 06:03

20

17

5,013

by: cledgard

07 Sep 2017, 14:54

ER

If W is divisible by 7, is Z even or odd?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

abilash10

12 Aug 2014, 04:46

7

3,154

by: Bunuel

12 Aug 2014, 04:47

ER

If abc 0, is a < b < c ? (1) 1/c < 1/b < 1/a (2) c > a

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

ashutoshbarawkar

07 Aug 2022, 09:36

79

19

22,021

by: hdixit

19 Sep 2023, 09:34

ER

If the standard deviation of Set Y is 4, what are the

505-555 (Easy) | Statistics and Sets Problems

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

oss198

03 Aug 2014, 15:52

32

6

11,538

by: bumpbot

05 Dec 2025, 02:19