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

179

15

79,949

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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

858

24

189,034

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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

488,766

by: bb

29 Aug 2025, 13:27

ER

What is the total number of positive factors of a?

805+ (Hard) | Multiples and Factors

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kiran1213

25 Dec 2018, 08:40

20

5

6,966

by: tommychudw

30 Jan 2025, 06:01

ER

If j and k are positive integers where k > j, what is the

655-705 (Hard) | Multiples and Factors +2 tags

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sachinrelan

25 Sep 2010, 04:33

178

19

33,566

by: bumpbot

29 Jan 2025, 02:05

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If x and y are prime numbers, how many factors has x^2y^2?

605-655 (Medium) | Multiples and Factors, Number Properties

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MathRevolution

21 Aug 2018, 03:36

31

7

4,384

by: bumpbot

27 Jan 2025, 09:46

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If b = 0.cdef where c, d, e and f represent non-zero digits, what is b

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

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Bunuel

10 Jul 2018, 21:04

14

3

4,501

by: bumpbot

27 Jan 2025, 09:25

ER

Is the product pqr divisible by 12?

655-705 (Hard) | Multiples and Factors

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Bunuel

05 Apr 2016, 05:56

32

7

6,681

by: bumpbot

25 Jan 2025, 15:22

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In an integer division operation, the divisor is x, the quotient is y,

705-805 (Hard) | Multiples and Factors, Remainders

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Bunuel

22 Apr 2015, 03:08

40

10

10,609

by: bumpbot

24 Jan 2025, 10:44

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If x^2 = y + 5 , y = z - 2 and z = 2x , is x^3 + y^2 + z

805+ (Hard) | Algebra, Multiples and Factors

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study

13 Jun 2010, 09:11

146

15

36,415

by: bumpbot

23 Jan 2025, 12:32

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Is integer x equal to 3?

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

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Bunuel

27 Dec 2016, 08:54

13

5

2,699

by: bumpbot

22 Jan 2025, 08:36

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If x and y are positive integers, is xy a multiple of 8?

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

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Orange08

21 Oct 2019, 01:18

180

14

32,622

by: bumpbot

22 Jan 2025, 02:34

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p^a*q^b*r^c*s^d=x, where x is a perfect square. If p, q, r

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

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enigma123

26 Oct 2023, 00:20

74

19

14,724

by: KarishmaB

19 Jan 2025, 22:05

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If j and k are different positive odd integers, are j and k both divis

655-705 (Hard) | Multiples and Factors

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BrentGMATPrepNow

07 Mar 2022, 13:08

6

2

1,640

by: bumpbot

18 Jan 2025, 16:38

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If n is a 2-digit positive even integer, what is the value of n?

705-805 (Hard) | Multiples and Factors

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BrentGMATPrepNow

26 Sep 2022, 07:19

9

2

1,583

by: bumpbot

18 Jan 2025, 16:35

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If n is a positive integer, is n^2 - 1 divisible by 24?

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

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kunalbh19

25 May 2012, 02:00

216

14

49,602

by: KarishmaB

18 Jan 2025, 01:43

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If x, y, and z are all positive integers, what is the least common mul

505-555 (Easy) | Multiples and Factors

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Bunuel

28 Aug 2018, 05:22

14

9

6,910

by: bumpbot

16 Jan 2025, 10:58

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If m and n are non-zero integers, is m6-m5-m4 divisible by n? 1) m2

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

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BillyZ

29 Mar 2017, 22:18

42

7

5,447

by: bumpbot

16 Jan 2025, 01:06

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Is a*b*c divisible by 32?

655-705 (Hard) | Multiples and Factors

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Juaz

24 May 2007, 02:16

21

8

9,295

by: bumpbot

14 Jan 2025, 13:34

ER

Around the World in 80 Questions (Day 5): What is the value of the

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

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

Bunuel

21 Jul 2023, 08:00

28

5

5,437

by: bumpbot

14 Jan 2025, 13:05

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How many different prime factors does positive integer n have?

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

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1, 2

Bunuel

14 May 2015, 05:25

64

22

16,346

by: bumpbot

13 Jan 2025, 12:36

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The product of 3 consecutive positive even integers x+1, x+3 and x+5

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

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akurathi12

07 Jan 2019, 23:30

32

9

7,330

by: bumpbot

13 Jan 2025, 06:18

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x is a two-digit integer and y is a three-digit integer that is divi

705-805 (Hard) | Multiples and Factors

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Bunuel

19 Jun 2018, 23:46

20

7

5,410

by: bumpbot

10 Jan 2025, 10:49

ER

If x is an integer, is (x^2+1)(x+5) an even number?

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

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1, 2

mybudgie

30 Jan 2016, 02:36

241

21

63,888

by: Krunaal

10 Jan 2025, 08:08

If n has more than one prime factor, then how many distinct positive f

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

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Russ19

20 Mar 2020, 09:18

8

3

1,689

by: bumpbot

09 Jan 2025, 04:16

ER

If A and B are positive integers, is A*(B)^4 a multiple of 2?

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

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Bunuel

26 Jan 2022, 09:00

2

1,543

by: hr1212

06 Jan 2025, 08:02

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A three digit number A with hundreds digit a, tens digit b and units

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

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failatmath

27 May 2018, 05:31

66

8

15,432

by: bumpbot

05 Jan 2025, 15:03

ER

Is the square of positive integer Z divisible by 9?

705-805 (Hard) | Multiples and Factors

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Kinshook

21 Oct 2019, 17:41

23

6

4,496

by: bumpbot

04 Jan 2025, 21:26

ER

sqrt{ABC} = 504. Is B divisible by 2?

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

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1, 2

12345678

19 Sep 2007, 13:46

50

34

18,417

by: gokulmaheshwari

04 Jan 2025, 10:00

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If a and b are both single-digit positive integers, is a + b a multipl

655-705 (Hard) | Multiples and Factors

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melguy

28 May 2011, 19:34

67

14

17,800

by: bumpbot

04 Jan 2025, 01:15

ER

The function f(n) = the number of factors of n. If p and q

605-655 (Medium) | Multiples and Factors, Number Properties

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

selvae

16 May 2014, 05:24

74

16

23,474

by: bumpbot

30 Dec 2024, 19:36

ER

Is a positive integer x odd?

605-655 (Medium) | Multiples and Factors

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Bunuel

14 May 2018, 01:58

29

5

5,177

by: bumpbot

29 Dec 2024, 10:46

ER

A school has a students and b teachers. If a < 150, b < 25, and classe

805+ (Hard) | Multiples and Factors, Word Problems

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alphak3nny001

09 Sep 2018, 09:37

17

6

6,273

by: bumpbot

28 Dec 2024, 20:04

ER

What is the value of integer x?

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

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Bunuel

29 Jan 2015, 08:36

15

10

7,368

by: bumpbot

25 Dec 2024, 05:56

ER

What is the greatest common divisor of integers r and s ?

505-555 (Easy) | Multiples and Factors

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Bunuel

23 May 2020, 07:15

26

7

8,010

by: bumpbot

25 Dec 2024, 05:18

ER

If m is a positive integer greater than 1, is m-1 a factor of 297 ?

655-705 (Hard) | Multiples and Factors

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Kaushik786

12 Mar 2021, 21:57

7

3

2,280

by: bumpbot

22 Dec 2024, 04:47

ER

Is the integer n a multiple of 15?

505-555 (Easy) | Multiples and Factors

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zz0vlb

28 Apr 2010, 07:59

53

13

25,028

by: Broc

21 Dec 2024, 13:29

ER

If x and y are positive integers, Is 100^x + y divisible by 9 ?

Sub 505 (Easy) | Exponents, Multiples and Factors

Sub 505 (Easy) | Exponents, Multiples and Factors hide tags

Bunuel

14 Jan 2022, 02:30

6

3

1,640

by: bumpbot

21 Dec 2024, 03:35

ER

If t, p, and q are different positive integers, how many positive inte

805+ (Hard) | Multiples and Factors

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Bunuel

04 Jul 2019, 08:00

36

6

6,570

by: bumpbot

19 Dec 2024, 07:07

ER

Is b^2 divisible by 4, if a, b, and c are positive integers where

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

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EncounterGMAT

09 Sep 2019, 01:40

5

4

1,727

by: AIKAGC

19 Dec 2024, 05:55

ER

If n is an integer, is (n - 1)(n + 1) a multiple of 24?

655-705 (Hard) | Multiples and Factors

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Bunuel

11 Nov 2023, 06:33

5

4

1,873

by: bumpbot

18 Dec 2024, 07:03

ER

How many different factors does the integer n have?

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

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

sagarsabnis

27 Jul 2015, 08:44

48

12

14,292

by: bumpbot

13 Dec 2024, 03:05

ER

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

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

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

Bunuel

26 Jun 2023, 01:30

1

3

1,745

by: shoaibshariff07

12 Dec 2024, 23:31

ER

If x is an integer, does it have more than 2 prime factors?

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

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Syumbel

20 Nov 2023, 14:23

4

2

1,500

by: bumpbot

12 Dec 2024, 06:09

ER

Given two positive integers A and B such that A > B, what is the remai

805+ (Hard) | Multiples and Factors, Remainders

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

Bunuel

19 Jul 2018, 00:00

16

6

5,086

by: bumpbot

11 Dec 2024, 07:35

ER

How many prime factors does positive integer n have?

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

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banksy

29 Mar 2011, 12:30

43

10

14,392

by: bumpbot

07 Dec 2024, 23:25

ER

For integers a and b, If a/b = 12.12 then find the value of b? 1) 1/b

705-805 (Hard) | Fractions and Ratios +2 tags

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GMATinsight

02 Mar 2025, 01:38

24

5

3,003

by: bumpbot

07 Dec 2024, 05:25

ER

What is the remainder when the positive integer z is divided by 3?

Sub 505 (Easy) | Multiples and Factors, Remainders

Sub 505 (Easy) | Multiples and Factors, Remainders hide tags

Bunuel

16 Mar 2022, 04:50

3

3,091

by: bumpbot

06 Dec 2024, 03:32

ER

If N is a positive integer, is N^3/4 an integer?

605-655 (Medium) | Multiples and Factors, Number Properties

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kiran120680

01 Dec 2024, 11:20

26

11

6,617

by: Bunuel

02 Dec 2024, 01:19

If m & n are positive integer, is mn/15 an integer?

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

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Abhi077

13 Dec 2018, 09:22

3

2

1,909

by: bumpbot

01 Dec 2024, 02:10

ER

If a, m and n are positive integers, is n^(2a) a multiple of

705-805 (Hard) | Multiples and Factors

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fireinbelly

30 Apr 2013, 05:40

48

4

9,907

by: bumpbot

28 Nov 2024, 22:32

ER

p, q and r are positive integers such that p<q<rp<q<r . When p is ex

805+ (Hard) | Fractions and Ratios +2 tags

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gmatophobia

07 Jun 2022, 13:11

14

2

2,331

by: bumpbot

28 Nov 2024, 17:28

ER

If x, y and z are positive integers and x < y, what are the number of

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

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

chetan2u

16 Oct 2017, 09:18

5

9

2,782

by: bumpbot

28 Nov 2024, 17:22