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

79,754

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

858

24

188,981

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

488,682

by: bb

29 Aug 2025, 13:27

ER

What is the value of x? (1) 3^x*4^x = 144 (2) (10^x)^x = 10,000

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

Bunuel

03 Apr 2018, 21:45

5

3

1,787

by: US09

05 Apr 2018, 09:14

What is the value of x?

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

CAMANISHPARMAR

03 Apr 2018, 10:59

2

3

1,990

by: MT1988

05 Apr 2018, 09:46

ER

Out of three distinct numbers: P, Q, R - is P the smallest? (1) Q =

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

amanvermagmat

05 Apr 2018, 02:05

2

3

1,377

by: GMATBusters

05 Apr 2018, 10:33

ER

In the figure shown, is x < 30?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

10 Apr 2018, 06:40

3

1,692

by: shoumkrish

10 Apr 2018, 10:12

ER

In the triangle shown, is x > 2y ? (1) y = z (2) 0 < x < 10

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

10 Apr 2018, 06:37

3

1,583

by: PPhoenix77

19 Apr 2018, 01:52

ER

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

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

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

Bunuel

25 Apr 2018, 23:31

3

2,495

by: KSBGC

26 Apr 2018, 05:22

ER

The students at a school took a math exam. Is the average (arithmetic

505-555 (Easy) | Statistics and Sets Problems

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

MathRevolution

25 Apr 2018, 00:35

3

1,481

by: MathRevolution

27 Apr 2018, 01:08

ER

If xy < 10, is y < 1? (1) y < 7 (2) x > 10

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

12 Apr 2018, 21:49

3

1,343

by: push12345

27 Apr 2018, 09:33

Sherry received a raise in her fixed salary in the month of April 2017

555-605 (Medium) | Arithmetic, Percent and Interest Problems

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

amanvermagmat

12 Apr 2018, 23:17

1

3

1,750

by: varundixitmro2512

27 Apr 2018, 12:39

ER

If y = ax and x = bz, what is y when z = 75?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

13 Apr 2018, 01:35

1

3

1,665

by: push12345

27 Apr 2018, 23:12

ER

In the figure shown, if ABCD is a parallelogram, what is the value of

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

13 Apr 2018, 01:56

3

2,573

by: push12345

28 Apr 2018, 05:57

ER

If xyz ≠ 0, is xyz > 0? (1) xz < 0 (2) x + y + z = 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

13 Apr 2018, 02:02

2

3

2,524

by: push12345

28 Apr 2018, 06:16

ER

In the parallelogram shown, what is the value of a?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

29 Apr 2018, 09:27

1

3

2,083

by: gvij2017

29 Apr 2018, 17:01

ER

What is the average (arithmetic mean) of 7, 11 and x?

Sub 505 (Easy) | Statistics and Sets Problems

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

Bunuel

13 Mar 2018, 07:03

1

3

2,403

by: push12345

30 Apr 2018, 09:40

ER

A manager wants to assign each of his e employees to one of p projects

Poor Quality

Poor Quality hide tags

Ashishkakkar2189

01 May 2018, 02:33

1

3

2,349

by: Bunuel

01 May 2018, 04:10

If q is a multiple of prime numbers, is q a multiple of r ?

Poor Quality

Poor Quality hide tags

SonalSinha803

20 Apr 2018, 04:34

3

4,101

by: push12345

06 May 2018, 11:43

ER

Is r + s^10 a positive number?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

07 May 2018, 03:02

2

3

1,156

by: wishalsp333

07 May 2018, 07:07

A salon sent out a promotional offer to 300 former customers and 600 p

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

amanvermagmat

22 Apr 2018, 22:24

4

3

1,420

by: push12345

09 May 2018, 06:48

ER

If t denotes the thousandths digit of the number X = 0.01t5 , what is

555-605 (Medium) | Fractions and Ratios

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

Bunuel

23 Apr 2018, 21:45

1

3

1,421

by: push12345

09 May 2018, 19:47

ER

If a and b are two positive numbers, what is the product

Sub 505 (Easy) | Multiples and Factors, Number Properties

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

EgmatQuantExpert

13 Aug 2018, 01:56

9

3

5,719

by: GMATBusters

11 May 2018, 11:45

ER

Does the line defined by y = mx + b contain the point (3, 1)?

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

24 Apr 2018, 06:06

2

3

1,906

by: push12345

11 May 2018, 23:50

ER

abc0 is a positive, four-digit integer, where a, b and c are 1-digit

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

MathRevolution

10 May 2018, 07:57

1

3

1,584

by: MathRevolution

13 May 2018, 18:40

X = 2^a * 3^b, while Y = 3^c * 5^d, where a, b, c, d are all positive

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

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

amanvermagmat

25 Apr 2018, 11:02

1

3

1,447

by: WizakoBaskar

14 May 2018, 01:03

ER

If k is an integer such that 224 < k < 256, what is the value of k/16?

655-705 (Hard) | Inequalities, Multiples and Factors

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

Bunuel

30 Apr 2018, 08:13

3

1,898

by: push12345

17 May 2018, 07:30

ER

Given that a>1 and b>1. Is (a^x)(b^y)<1? (1) a^(x+y) < 1 (2) b^(x+y

655-705 (Hard) | Exponents, Inequalities

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

Bunuel

16 May 2018, 06:49

5

3

1,669

by: Shobhit7

17 May 2018, 12:29

ER

Y is the sum of five integers a, b, c, d, e. Is Y even?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

amanvermagmat

16 May 2018, 23:01

3

1,409

by: EgmatQuantExpert

17 May 2018, 23:50

ER

In a class, the maximum score of a student is 80, and the minimum

505-555 (Easy) | Statistics and Sets Problems

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

Viserion99

22 May 2018, 23:59

3

2,148

by: Viserion99

22 May 2018, 23:29

ER

Joe’s restaurant has exactly 3 items on its menu: Prawns Only

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

BrentGMATPrepNow

22 May 2018, 07:05

3

1,783

by: BrentGMATPrepNow

25 May 2018, 13:21

ER

Is a > b ? (1) |a|/|b| > 1 (2) |a - b| < |a|

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

GMATinsight

23 Dec 2017, 06:40

1

3

1,591

by: blueviper

29 May 2018, 01:13

ER

If y is a positive integer with 3 digits and the sum of its digits is

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

03 Nov 2016, 02:21

2

3

2,116

by: Lowkya

29 May 2018, 05:54

Three medians of triangle ABC intersect at a point G. Is triangle ABC

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

amanvermagmat

31 May 2018, 03:38

1

3

2,224

by: Tulkin987

31 May 2018, 05:07

ER

If (p - q) is not equal to zero, what is the value of p/(p - q)?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

04 Jun 2018, 09:05

2

3

2,107

by: PKN

04 Jun 2018, 10:06

ER

What is the value of A/B if A/B = C/D = E/F = G/H ? (1) E/F = 3 (2) C

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

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

Bunuel

27 May 2018, 02:20

6

3

1,913

by: DavidTutorexamPAL

04 Jun 2018, 21:58

ER

If a and b are nonzero integers and a^(3b) = a^(b-6), what is the valu

555-605 (Medium) | Algebra, Exponents

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

Bunuel

03 Jun 2018, 11:17

1

3

2,664

by: KSBGC

05 Jun 2018, 06:13

ER

What is the value of X?

605-655 (Medium) | Algebra, Number Properties

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

chetan2u

12 Jun 2018, 08:45

2

3

1,709

by: LevanKhukhunashvili

13 Jun 2018, 03:46

ER

If a/b = c, what is the value of ac? (1) b^2/a = 6 (2) a/b = 4

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

25 May 2018, 01:21

3

1,541

by: alldaytestprep

15 Jun 2018, 15:27

ER

Is x > y ? (1) x^2 = 4 (2) y^3 = –8

505-555 (Easy) | Algebra, Inequalities

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

Bunuel

10 Jun 2018, 04:55

3

1,035

by: dhruvin917

15 Jun 2018, 15:33

ER

What is the measure of angle YQZ in the figure?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

WoundedTiger

14 Oct 2014, 15:01

7

3

4,727

by: bumpbot

19 Jun 2018, 16:24

ER

What is the units digit of the positive integer x?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

19 Jun 2018, 23:38

2

3

2,979

by: WizakoBaskar

20 Jun 2018, 03:44

ER

If x and y are positive integers, is x^2 + y^2 odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

19 Jun 2018, 23:43

1

3

2,373

by: baru

21 Jun 2018, 05:06

ER

If x/y >1and x and y are integers, is x>1?

655-705 (Hard) | Algebra, Inequalities

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

chetan2u

26 Jun 2018, 09:26

2

3

1,128

by: Srajagopal21

26 Jun 2018, 15:39

ER

Is |r|*s = |s|*r?

555-605 (Medium) | Absolute Values, Inequalities

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

chetan2u

28 Jun 2018, 21:17

5

3

2,727

by: GyMrAT

28 Jun 2018, 22:02

ER

Can n/196 be an integer?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

Newman2019

03 Jul 2018, 11:26

5

3

1,702

by: Bunuel

03 Jul 2018, 23:07

ER

If only one of the three integers x, y and z is negative, is x

605-655 (Medium) | Algebra, Inequalities

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

chetan2u

06 Jul 2018, 09:07

3

1,403

by: PKN

06 Jul 2018, 10:53

ER

Is xy < 12? (1) x < 4 and y < 3 (2) x^2 < 121 and y^2 < 4

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

neiln413b

06 Jul 2018, 07:27

2

3

2,120

by: CAMANISHPARMAR

07 Jul 2018, 08:40

ER

Is a > b? (1) a = 1 - c (2) b = 1 + c

555-605 (Medium) | Algebra, Inequalities

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

Bunuel

04 Apr 2017, 00:32

1

3

1,938

by: Arro44

10 Jul 2018, 08:43

ER

What is the value of x + y? (1) x + 2 = 5 - y (2) (x + y)^2 = 9

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

10 Jul 2018, 22:05

2

3

1,315

by: rever08

11 Jul 2018, 20:31

ER

If n is a positive integer and p = 3.021 × 10n, what is the value of n

655-705 (Hard) | Exponents, Inequalities

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

Bunuel

12 Oct 2017, 04:09

7

3

2,173

by: Bunuel

15 Jul 2018, 00:43

ER

In the equation x^2 – bx + 4 = 0, x is a variable and b is a constant.

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

duahsolo

20 Feb 2017, 04:58

10

3

3,303

by: bumpbot

17 Jul 2018, 23:23

ER

If ab ≠ 0, what is the value of (a+b)/(a-b)?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

18 Jul 2018, 23:17

6

3

3,750

by: chetan2u

18 Jul 2018, 23:53