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

179

15

80,017

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

858

24

189,050

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

488,792

by: bb

29 Aug 2025, 13:27

ER

If x is a 3–digit number, is x even?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

02 Dec 2016, 06:51

1

2

2,142

by: prashantrchawla

02 Dec 2016, 09:25

ER

If x = abc, is x/3 an integer?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

01 Dec 2016, 02:05

1

1,500

by: SI777

01 Dec 2016, 02:24

ER

Is x an integer ?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

pllgl

24 Nov 2016, 02:46

4

2,532

by: Bunuel

24 Nov 2016, 02:50

ER

What is the value of x + y ? (1) xy+ wz + xz+ wy= 8 (2) y + z = 4

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

23 Nov 2016, 03:05

1

2

2,493

by: rohit8865

23 Nov 2016, 19:26

ER

What is the value of two-digit integer x?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

02 Oct 2015, 01:45

4

6

8,583

by: bumpbot

18 Nov 2016, 10:55

ER

Of positive integers m, n, and p, which is the greatest?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

06 Nov 2016, 09:18

1

5

2,177

by: sai897

07 Nov 2016, 22:29

ER

Is the sum of n odd integers odd?

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

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

Bunuel

06 Nov 2016, 09:24

2

4

2,270

by: sai897

07 Nov 2016, 22:24

ER

If d is a positive integer, is d a multiple of 5?

505-555 (Easy) | Multiples and Factors

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

Bunuel

06 Nov 2016, 09:17

2

2,124

by: Vinayak Shenoy

07 Nov 2016, 00:31

ER

If x is a positive integer and the sum of its digits is 1, how many

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

03 Nov 2016, 02:31

2

7

1,583

by: kashyap89

04 Nov 2016, 13:25

ER

If t and r are positive integers and both have the same digits but wit

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

02 Nov 2016, 02:44

2

1,209

by: GSBae

03 Nov 2016, 01:41

ER

Is b = 6? (1) 9b is not an even integer. (2) 4b is not an even intege

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

02 Nov 2016, 02:50

3

1,325

by: GSBae

03 Nov 2016, 01:36

ER

If the number x is obtained by reversing the order of the digits in th

505-555 (Easy) | Fractions and Ratios, Number Properties

505-555 (Easy) | Fractions and Ratios, Number Properties hide tags

Bunuel

02 Nov 2016, 02:53

3

1,900

by: GSBae

03 Nov 2016, 01:31

ER

A clothing store acquired an item at a cost of x dollars and

505-555 (Easy) | Algebra, Word Problems

505-555 (Easy) | Algebra, Word Problems hide tags

chan4312

06 Aug 2008, 12:12

17

9

23,397

by: Bunuel

27 Oct 2016, 21:13

ER

How many years old will Fred be y years from now?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

29 Sep 2015, 21:25

6

3

5,420

by: abhimahna

23 Oct 2016, 00:53

What is the value of xy? (1) y = x + 1 (2) y = x^2 + 1

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

gouribhalerao

02 Feb 2023, 03:32

15

6

9,095

by: law258

18 Sep 2016, 17:29

ER

In the Triangle ABC has angles a, b c at vertex A B C respectively. Is

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

rxs0005

20 Feb 2012, 10:10

1

5

3,355

by: bumpbot

17 Sep 2016, 13:37

ER

What is the ratio of a : b : c?

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

BrentGMATPrepNow

06 Sep 2016, 11:57

2

1

3,999

by: Senthil1981

06 Sep 2016, 08:33

ER

If n is an integer, and n ≠ 0, is (100 + n^2)/n a positive integer?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

01 Sep 2016, 03:53

1

2

2,433

by: Balajikarthick1990

01 Sep 2016, 22:55

ER

A transportation token is originally a circle. When collecte

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

fozzzy

23 Jun 2013, 02:59

3

4

2,564

by: bumpbot

26 Aug 2016, 07:52

ER

Is integer x divisible by 48?

505-555 (Easy) | Multiples and Factors

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

Bunuel

24 Aug 2016, 05:54

1

3

3,025

by: paidlukkha

24 Aug 2016, 07:14

ER

If q + r + s = 45, what is the value of qr?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

23 Aug 2016, 02:36

2

3

2,817

by: DAllison2016

23 Aug 2016, 13:32

ER

In the xy plane, is the point (4, −2) on the line l?

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

21 Aug 2016, 04:16

2

6

3,899

by: Balajikarthick1990

22 Aug 2016, 04:40

ER

Is 0 > ab?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

30 Dec 2014, 07:44

11

3,562

by: HKD1710

21 Aug 2016, 06:16

ER

What is the value of 12/5^p?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

14 Aug 2016, 07:13

1

3

2,064

by: MarkusKarl

14 Aug 2016, 15:38

ER

What is the value of f^2 – g^2?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

12 Aug 2016, 08:47

2

2,219

by: Manonamission

12 Aug 2016, 10:33

ER

What is the ratio of 2a to b?

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

Bunuel

11 Aug 2016, 06:56

1

2

3,826

by: AbdurRakib

11 Aug 2016, 13:34

ER

What is the value of n?

505-555 (Easy) | Algebra, Inequalities

505-555 (Easy) | Algebra, Inequalities hide tags

Bunuel

26 Jul 2016, 10:00

3

2,857

by: Skywalker18

26 Jul 2016, 20:00

ER

What is the value of (X^2 + Y^2)?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

18 Jul 2016, 08:12

2

1,909

by: Chakolate

26 Jul 2016, 15:07

ER

Is N divisible by 24?

505-555 (Easy) | Multiples and Factors

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

stonecold

20 Jul 2016, 09:36

2

2,146

by: abhimahna

20 Jul 2016, 11:10

ER

If X and Y are positive integers, what is the ratio between Y and X?

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

Bunuel

18 Jul 2016, 08:09

2

2,215

by: BrentGMATPrepNow

18 Jul 2016, 08:32

ER

Is a/b >0? (1) ab > 0 (2) b/a > 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Creeper300

07 Nov 2010, 13:40

3

2

4,152

by: LogicGuru1

18 Jul 2016, 04:13

ER

What is the value of X+Z? (1) X+Y=11 (2) Z+Y=13

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

08 Jul 2016, 07:56

1

6

3,621

by: hsbinfy

09 Jul 2016, 06:45

ER

If a and b are integers, what is the value of a + b ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

26 May 2016, 11:37

2

5

3,006

by: rhine29388

27 Jun 2016, 06:07

ER

What is the value of P?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

23 Jun 2016, 02:13

5

2,479

by: Nightfury14

23 Jun 2016, 03:54

ER

If x > 0, is y < 0?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

AbdurRakib

10 Jun 2016, 12:18

1

2

2,239

by: hsbinfy

11 Jun 2016, 00:57

ER

What is the measurement of A + B of a triangle shown as above figure?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

MathRevolution

01 Jun 2016, 06:44

1

2,290

by: MathRevolution

05 Jun 2016, 05:48

ER

2 circles have the same center and the smaller circle’s radius r is 5.

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

MathRevolution

29 May 2016, 20:54

3

4,644

by: MathRevolution

01 Jun 2016, 06:38

ER

In an isosceles triangle PQR, how many degrees is ∠ P

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

27 May 2016, 09:09

1

3

2,939

by: Megan07

29 May 2016, 08:18

ER

Is the number y between 0.3 and 0.6 ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

avohden

24 Oct 2013, 17:24

1

4

5,654

by: chetan2u

27 May 2016, 05:56

ER

What is the length of the diagonal of rectangle ABCD?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

20 May 2016, 00:19

1

3

6,915

by: Alex75PAris

20 May 2016, 14:02

ER

If x + 3y − 3 = 0, what is the value of x?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

14 Feb 2016, 03:03

3

3,379

by: rhine29388

17 May 2016, 15:01

ER

Is x < y?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Lolaergasheva

16 May 2016, 19:34

5

3,025

by: pvikas

16 May 2016, 19:28

ER

If XY, PQ, and RS represent unique two-digit integers, what is the uni

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

20 Apr 2016, 00:59

4

2,473

by: y4nkee

21 Apr 2016, 00:12

ER

What is the units digit of the product of the two positive integers x

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

18 Apr 2016, 08:20

1

3

2,193

by: y4nkee

20 Apr 2016, 23:45

ER

Is positive integer z an odd integer?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

13 Apr 2016, 06:09

4

2,465

by: stonecold

15 Apr 2016, 05:07

ER

What is the value of prime number z?

505-555 (Easy) | Inequalities, Number Properties

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

Bunuel

28 Feb 2016, 09:46

1

4

2,367

by: chetan2u

28 Mar 2016, 07:34

ER

If the average (arithmetic mean) of 9 numbers is 325, what is the medi

505-555 (Easy) | Statistics and Sets Problems

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

MathRevolution

16 Mar 2016, 18:27

2

2,188

by: MathRevolution

19 Mar 2016, 23:05

ER

If n ≠ 1, is (2xn - 2x)/(n-1) > y ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

macjas

27 May 2012, 09:35

4

4,603

by: stonecold

13 Mar 2016, 09:07

ER

If p≠0, is r less than zero?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

07 Mar 2016, 03:30

1

3

4,774

by: chetan2u

07 Mar 2016, 19:55

ER

Is xy < 10? (1) x < 5 and y < 2 (2) x < −3 and y < −1

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

14 Feb 2016, 04:13

2

2,364

by: MathRevolution

14 Feb 2016, 23:51