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

79,088

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

857

24

188,733

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,299

by: bb

29 Aug 2025, 13:27

ER

If the product of the three digits of the three-digit positive integer

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

01 Sep 2021, 02:30

4

2,795

by: paulrahul

07 Apr 2022, 02:33

ER

Is x^2yz negative? (1) x < 0 (2) y < 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Nivranshu

08 Sep 2021, 08:28

6

2,795

by: Archit3110

08 Sep 2021, 10:59

ER

Rick is in a room with 4 other people. If the other people weigh 100,

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

29 Jul 2020, 03:28

12

7

2,796

by: bumpbot

22 Dec 2025, 01:02

ER

A 20 kilograms mixture of dry fruits consisting of x percent of almond

805+ (Hard) | Mixture Problems

805+ (Hard) | Mixture Problems hide tags

Bunuel

29 Dec 2021, 04:30

13

2

2,796

by: bumpbot

28 Jun 2025, 12:45

ER

Is q prime? (1) q is between 115 and 125 (2) q + 1 is not prime.

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

29 Dec 2016, 04:57

3

10

2,796

by: bumpbot

08 Sep 2021, 17:28

ER

What is the value of x/(yz) ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

10 Sep 2017, 04:51

3

2,797

by: unraveled

21 Oct 2024, 09:33

ER

If x is an integer, is x + 1 a factor of 12?

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

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

Bunuel

01 Jul 2016, 04:14

7

3

2,797

by: bumpbot

08 Jul 2022, 08:19

ER

In the XY-plane, region X consists of all the points (x, y) such that

805+ (Hard) | Coordinate Plane, Inequalities

805+ (Hard) | Coordinate Plane, Inequalities hide tags

Bunuel

12 Nov 2018, 00:19

10

3

2,797

by: bumpbot

07 Apr 2020, 11:35

ER

What is the value of the integer P?

555-605 (Medium) | Multiples and Factors

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

NatalieJunYan

21 Oct 2019, 07:51

3

2,797

by: zhanbo

21 Oct 2019, 16:44

ER

What is the perimeter of a certain right triangle?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

MathRevolution

11 Jul 2016, 18:31

10

4

2,797

by: bumpbot

07 May 2019, 22:18

ER

S = 4,x,y,.... In the sequence above, each term is the product of the

555-605 (Medium) | Algebra, Sequences

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

AkshdeepS

23 Jun 2018, 10:24

1

5

2,798

by: bumpbot

06 May 2023, 02:16

ER

A circle centers at the origin has radius of 2. If line L is tangent

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

rohan2345

04 Feb 2019, 05:41

3

2,798

by: bumpbot

27 Jul 2022, 00:38

ER

If (4a)^(1/2) integer, is (a)^(1/2) integer?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

24 Jun 2017, 07:24

4

10

2,799

by: karanbishti

29 Jan 2024, 09:35

ER

What is the length of diameter PR in the circle shown above?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

13 Sep 2018, 02:33

11

5

2,799

by: TestPrepUnlimited

22 Jun 2020, 11:09

ER

Carol and Joe went apple picking. Who picked more apples?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Sajjad1994

02 Mar 2017, 05:58

4

2,799

by: JeffTargetTestPrep

06 Mar 2017, 18:17

ER

If b > 1, is integer b less than 11?

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

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

Bunuel

06 Dec 2016, 07:29

1

5

2,799

by: Bunuel

06 Feb 2017, 09:16

ER

Is x^2/y < 0 ? (1) -2 < x < 3 (2) 1 < y < 3

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

saurabh9gupta

07 Apr 2019, 09:58

10

7

2,802

by: bumpbot

26 Jan 2023, 07:42

ER

If mx = m, then what is the value of m?

605-655 (Medium) | Multiples and Factors

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

Bunuel

15 Dec 2016, 04:40

13

5

2,803

by: bumpbot

13 Mar 2021, 13:46

ER

What is the sum of the terms in a sequence of consecutive integers?

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

Bunuel

19 May 2021, 06:00

2

2,804

by: Showmeyaa

19 May 2021, 14:54

ER

If x is a nonzero integer less than 36, is 36/x even?

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

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

Bunuel

11 Apr 2016, 04:10

1

3

2,804

by: CV7585

13 Apr 2016, 23:50

ER

If a = c*10^b and a and b are integers, what is the value of b?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

02 Oct 2017, 23:57

11

9

2,805

by: bumpbot

24 Oct 2023, 05:50

ER

If R, S, & T are numbers on the number line, not necessarily in that

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

Bunuel

26 Sep 2018, 05:29

3

2,805

by: bumpbot

15 May 2023, 11:03

ER

a is a positive integer less than 10 and r is the remainder when

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

Stardust Chris

23 Feb 2015, 14:14

6

3

2,805

by: bumpbot

09 Jan 2022, 19:42

ER

Is the slope of Line L > 0? 1) Line L passes through Quandrant II 2)

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

GMATinsight

29 Apr 2020, 07:54

12

6

2,806

by: bumpbot

07 Aug 2023, 07:17

ER

Is x > y? (1) 9x = 4y (2) x = -y

655-705 (Hard) | Algebra, Inequalities

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

Bunuel

27 Jan 2021, 01:15

12

4

2,806

by: bumpbot

20 Apr 2023, 00:58

ER

The perimeter of a rectangular window is 28 feet. What is the length

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

rocketmandoman

04 Apr 2019, 23:59

9

10

2,806

by: UJJWALGULHANI

22 Apr 2020, 10:58

ER

If n is an integer, what is the remainder when (n – 3)^2 is divided by

605-655 (Medium) | Multiples and Factors, Remainders

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

Bunuel

27 Jan 2020, 03:04

4

2,807

by: bumpbot

10 Aug 2024, 04:16

ER

Is x = 3? (1) x = (−3y − 3)/(1− y) (2) |x|/x + x|x| > 0

705-805 (Hard) | Absolute Values, Algebra

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

Bunuel

22 Jul 2019, 01:53

8

3

2,807

by: bumpbot

10 Sep 2023, 23:39

ER

Is 'b' the median of three numbers a, b, and c? 1) |a-b|=|b-c| 2) b>c

705-805 (Hard) | Statistics and Sets Problems

705-805 (Hard) | Statistics and Sets Problems hide tags

TheUltimateWinner

13 Sep 2019, 09:50

5

4

2,807

by: TheBipedalHorse

06 Apr 2023, 19:15

ER

What is the value of x ?

Poor Quality

Poor Quality hide tags

cssk

05 Jan 2014, 10:35

3

2,807

by: cssk

05 Jan 2014, 10:55

ER

Do some cosmetic surgeons in the town of Eyrie Rock charge

Sub 505 (Easy) | Non-Math Related

Sub 505 (Easy) | Non-Math Related hide tags

Bunuel

15 Jan 2024, 08:00

7

3

2,808

by: bumpbot

13 Mar 2026, 10:48

ER

What does s^2t-st^2 equal given that s and t are positive integ

655-705 (Hard) | Arithmetic, Number Properties

655-705 (Hard) | Arithmetic, Number Properties hide tags

mmelendez

13 Nov 2015, 16:21

4

6

2,809

by: bumpbot

30 Jun 2024, 05:53

Truck T1 gives an average of M1 miles per gallon of petrol while truck

805+ (Hard) | Arithmetic, Distance and Speed Problems

805+ (Hard) | Arithmetic, Distance and Speed Problems hide tags

amanvermagmat

13 Jul 2018, 11:03

10

4

2,809

by: bumpbot

05 Nov 2022, 08:18

ER

If d is an integer, is d = d^3?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

hideyoshi

04 Sep 2015, 07:16

2

2,810

by: BrentGMATPrepNow

20 Jan 2020, 08:02

ER

Is x positive? (1) x^2 + 10 x > 0 (2) 3^x > 1

555-605 (Medium) | Exponents, Inequalities

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

Bunuel

29 Oct 2017, 01:41

5

2

2,810

by: BrentGMATPrepNow

29 Nov 2018, 18:07

ER

In the figure above, ST=3. What is the length of RS?

Poor Quality

Poor Quality hide tags

Awli

26 Feb 2015, 11:24

6

4

2,810

by: KarishmaB

23 Mar 2015, 22:25

ER

If the average (arithmetic mean) height of Bob, John and Tom is 180 cm

555-605 (Medium) | Statistics and Sets Problems

555-605 (Medium) | Statistics and Sets Problems hide tags

MathRevolution

02 Aug 2018, 00:39

10

4

2,811

by: bumpbot

16 Apr 2025, 04:34

ER

x and y are real numbers. Is y negative? (1) x^y > 0 (2) y^x > 0

555-605 (Medium) | Exponents, Number Properties

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

amanvermagmat

26 Jul 2018, 22:13

12

4

2,811

by: bumpbot

20 Oct 2021, 21:29

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

2,811

by: DAllison2016

23 Aug 2016, 13:32

ER

If k is a positive integer, is (1/2)^k > 0.125?

555-605 (Medium) | Exponents, Inequalities

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

VyshakhR1995

26 Apr 2017, 01:18

12

8

2,812

by: Bunuel

19 Sep 2019, 02:40

ER

Is 15 the average (arithmetic mean) of x, y, and 15?

Sub 505 (Easy) | Statistics and Sets Problems

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

Bunuel

15 Feb 2018, 08:46

3

2,812

by: MathRevolution

19 Feb 2018, 17:56

ER

If m, n and p are distinct digits and their product is another distinc

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

08 Jan 2017, 08:06

4

2,812

by: vitaliyGMAT

08 Jan 2017, 12:23

ER

If x < y, is x^4 < y^4 ?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

01 Nov 2015, 09:20

1

5

2,812

by: padman777

02 Nov 2015, 09:08

ER

What is the ratio of nickels to dimes in a bag of change that contains

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

08 Jan 2018, 23:34

1

4

2,813

by: DavidTutorexamPAL

12 Jun 2019, 14:05

ER

If n is a positive integer, what is the value of n?

555-605 (Medium) | Multiples and Factors

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

EBITDA

31 Jul 2016, 08:23

2

9

2,813

by: Bunuel

01 Aug 2016, 00:17

ER

What is the depreciated value of a car on 1st January 1987 that was

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

28 Jul 2021, 04:30

2

1

2,814

by: Nidzo

11 Aug 2021, 00:31

ER

Is the perimeter of square S greater than the circumference of circle

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

10 Feb 2020, 05:11

2

2,814

by: bumpbot

02 Jun 2021, 06:11

ER

At a certain university, 75% of students have driver’s licences and 6

555-605 (Medium) | Percent and Interest Problems

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

MathRevolution

29 Nov 2017, 00:25

7

4

2,815

by: bumpbot

05 Nov 2024, 16:11

ER

If a*b is an even integer, is b a multiple of 2?

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

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

chetan2u

19 Jul 2017, 21:32

5

7

2,815

by: Purnank

05 Oct 2024, 07:03

ER

If x is an integer, does the decimal expression of the fraction x/8 ha

805+ (Hard) | Fractions and Ratios, Number Properties

805+ (Hard) | Fractions and Ratios, Number Properties hide tags

Bunuel

11 Jan 2021, 01:15

9

7

2,815

by: MBAB123

12 Mar 2021, 22:15