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

79,597

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

188,965

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,659

by: bb

29 Aug 2025, 13:27

ER

A list contains 7 positive integers

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

bambinobirbante

14 Dec 2022, 02:13

6

3

3,760

by: luisdicampo

15 Apr 2026, 07:46

ER

If 8 < k < 8, is k < 2 ?

Poor Quality

Poor Quality hide tags

rxs0005

21 Dec 2010, 16:33

3

4

3,762

by: tirupatibalaji

24 Dec 2010, 06:56

ER

How many integers k are there such that x < k < y?

805+ (Hard) | Arithmetic

805+ (Hard) | Arithmetic hide tags

BrentGMATPrepNow

21 Jan 2020, 07:11

29

3

3,764

by: bumpbot

09 May 2024, 04:14

ER

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

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

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

Bunuel

24 Dec 2017, 01:24

8

11

3,764

by: bumpbot

18 Oct 2025, 23:22

ER

If a ≠ 0, is a + a−1 > 2? (1) a > 0 (2) a < 1

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

TheUltimateWinner

20 Jan 2015, 23:02

11

6

3,766

by: bumpbot

28 Aug 2022, 13:45

ER

12 Days of Christmas GMAT Competition - Day 6: In the following figure

805+ (Hard) | Coordinate Plane, Geometry

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

Bunuel

19 Dec 2022, 07:00

23

4

3,766

by: EthanTheTutor

05 Jan 2023, 09:40

ER

The equation of line L in the XY-plane is y = mx + c, where m and c ar

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

07 Nov 2018, 02:00

4

2

3,766

by: bumpbot

31 May 2023, 13:08

ER

If n is an integer, is n odd?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

01 Nov 2015, 09:12

3

5

3,768

by: bumpbot

30 Nov 2018, 13:09

ER

What is the ratio of P to Q? (1) P is 4 less twice Q (2) 4P equals 7Q

505-555 (Easy) | Fractions and Ratios

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

Bunuel

30 Oct 2019, 22:10

2

3,768

by: MathRevolution

01 Nov 2019, 07:44

ER

In xy-plane,does line with equation y=3x+1 contain the point (p,q)?

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

BullRunner

28 Jun 2018, 20:48

12

2

3,768

by: stoned

11 Apr 2022, 00:32

ER

If ♥ represents one of the operations +, −, ×, and ÷, is (a – b) ♥ c =

655-705 (Hard) | Functions and Custom Characters

655-705 (Hard) | Functions and Custom Characters hide tags

CAMANISHPARMAR

23 Feb 2020, 23:06

10

3

3,768

by: bumpbot

10 Feb 2025, 10:37

ER

Is pq positive? (1) (p + q)^2 > (p - q)^2 (2) (p - q)^2 is positive

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

31 Jul 2019, 01:11

1

3,769

by: firas92

31 Jul 2019, 01:24

ER

M is a positive integer, is M odd?

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

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

Bunuel

24 Jun 2016, 03:21

11

8

3,769

by: bumpbot

18 Feb 2022, 22:50

ER

GMAT Club Around The World!!! All of the 121 baseball players particip

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

Bunuel

31 Dec 2020, 22:00

9

7

3,769

by: bumpbot

18 May 2025, 12:03

ER

145 people were surveyed to find out whether they like or dislike Prod

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

02 Oct 2019, 21:08

14

10

3,769

by: bumpbot

21 May 2025, 05:13

ER

m and n are both integers, and m ≠ n, does n = 0?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

DelSingh

10 Jul 2013, 19:35

9

4

3,770

by: bumpbot

25 Sep 2019, 05:17

ER

What is the value of (x + y)^2 (1) x^2 + xy = 3 (2) y^2 + yx = 5

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

21 Jan 2020, 04:29

7

2

3,770

by: bumpbot

03 Jun 2024, 00:20

ER

If a and b are non zero integers is ab/(a + b) < ab?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

aarish2102

11 Jul 2022, 07:09

7

6

3,770

by: saurabhbajpai

08 Jul 2024, 11:28

ER

x and y are two positive integers. D is the greatest common divisor of

555-605 (Medium) | Multiples and Factors

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

Bunuel

13 Sep 2021, 01:30

6

11

3,771

by: GMATWhizTeam

15 Sep 2021, 22:43

ER

In the xy- plane, lines l and k intersect at point A whose x and y coo

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bunuel

08 Jun 2020, 11:23

11

3

3,771

by: bumpbot

27 Jan 2023, 23:20

ER

If x is a positive integer, what is x? (1) x^2 + 7x – 18 = 0 (2) x^2

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

dabaobao

05 Apr 2019, 08:20

4

3

3,771

by: bumpbot

13 Jun 2023, 13:31

ER

15a + 6b = 30, what is the value of a - b ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

24 Dec 2019, 13:55

13

10

3,771

by: AkshadSoman

11 Sep 2023, 04:26

ER

What is the sum of the digits of positive integer q?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

04 Dec 2019, 00:03

28

8

3,771

by: sanjitscorps18

09 Dec 2023, 08:10

ER

Find the units digit of 556^17n + 339^(5m+15n), where m and n are

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

EgmatQuantExpert

16 Dec 2016, 02:03

11

6

3,773

by: bumpbot

18 Aug 2024, 00:13

ER

In the triangle ABC above, what is the length of side AB?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Hoozan

26 Nov 2020, 00:50

5

2

3,774

by: bumpbot

08 Feb 2022, 14:09

ER

If R and S are three-digit positive integers what is the quotient when

805+ (Hard) | Arithmetic, Number Properties

805+ (Hard) | Arithmetic, Number Properties hide tags

sekharm2389

28 Feb 2018, 22:32

14

3

3,774

by: gmattyfatty

23 Apr 2023, 15:38

ER

If x and y are integers, is |xy|/y>0?

805+ (Hard) | Absolute Values, Inequalities

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

chetan2u

17 Nov 2017, 09:29

21

4

3,774

by: bumpbot

18 Jan 2024, 00:32

ER

12 Days of Christmas GMAT Competition - Day 8: What is the value of

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

Bunuel

21 Dec 2022, 07:00

21

10

3,775

by: bumpbot

26 Dec 2024, 20:51

ER

Is y larger than 1? (1) y is larger than 0. (2) y^2 – 4 > 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

29 Oct 2017, 01:47

2

3,776

by: amanvermagmat

29 Oct 2017, 11:01

ER

Of the 70 children who visited a certain doctor last week,

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

aiming4mba

17 Aug 2010, 09:57

5

6

3,776

by: bumpbot

22 Jan 2018, 04:58

ER

The least common multiple of positive integers p and q is 630. if the

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

Bunuel

28 Sep 2021, 01:30

7

4

3,776

by: Kinshook

09 May 2024, 11:27

ER

What is the slope of line l? (1) Line l and line m are perpendicular.

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

29 Aug 2018, 01:27

2

3

3,777

by: bumpbot

07 Oct 2022, 01:15

ER

A group of 10 athletes was competing in a marathon race. If the range

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

07 Nov 2019, 03:23

6

3,777

by: bumpbot

29 Apr 2026, 06:56

ER

In a certain coding scheme, each word is encoded by replacing each

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

22 Dec 2014, 09:20

3

3,778

by: g106

23 Dec 2014, 11:33

ER

What is the value of (2a + b)/(a + b)? (1) 3a/(a + b) = 7 (2) a + b =3

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

11 Dec 2018, 01:46

5

6

3,778

by: bumpbot

15 Nov 2022, 06:24

ER

On the number line shown above, is xy < 0 ?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

16 Mar 2020, 05:10

7

2

3,778

by: bumpbot

10 Jun 2025, 04:19

ER

Percy, Quincy, and Randy ate 15 slices of pizza combined. How many sli

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

15 Sep 2021, 03:30

6

4

3,778

by: bumpbot

21 Sep 2025, 01:42

ER

$20,000 was deposited into bank, with interest compounded quarterly.

655-705 (Hard) | Percent and Interest Problems

655-705 (Hard) | Percent and Interest Problems hide tags

frombelarus

19 Apr 2020, 11:41

17

4

3,778

by: bumpbot

29 Apr 2026, 09:29

ER

If a, b, and c are all integers, is ab + bc + ca + a^2 odd?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

22 Jul 2021, 01:31

7

6

3,779

by: Bunuel

03 Nov 2021, 07:14

ER

In a gas sample, there are, rounded to the nearest order of magnitude

805+ (Hard) | Exponents, Word Problems

805+ (Hard) | Exponents, Word Problems hide tags

guddo

31 May 2025, 15:58

63

8

3,779

by: Bunuel

17 Jan 2026, 00:15

ER

If φ is a function, does aφ 1 = 1 for all a? (1) 1φ a = 1 for all a. (

605-655 (Medium) | Functions and Custom Characters

605-655 (Medium) | Functions and Custom Characters hide tags

Sajjad1994

11 Jul 2019, 05:09

8

4

3,780

by: TestPrepUnlimited

13 Sep 2020, 16:06

ER

A shopkeeper was selling apples, mangoes, oranges and bananas. The pri

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

17 Nov 2021, 10:00

2

3,780

by: pkleo

18 Nov 2021, 10:48

ER

What is the value of x ? (1) x ≤ 8 (2) 8 ≤ x

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

GMATBusters

01 Nov 2018, 22:32

1

4

3,780

by: bumpbot

02 Feb 2023, 03:31

ER

If m is the arithmetic mean (average) of 4 integers a, b, c, and d and

655-705 (Hard) | Statistics and Sets Problems

655-705 (Hard) | Statistics and Sets Problems hide tags

Bunuel

10 Mar 2016, 04:56

17

3

3,781

by: bumpbot

23 Jul 2025, 00:33

ER

Is t=|r−s|?

555-605 (Medium) | Absolute Values, Inequalities

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

Bunuel

29 Apr 2016, 02:45

8

6

3,782

by: AntonioGalindo

29 Apr 2020, 15:15

ER

What is the area of the floor in Dan's rectangular bedroom that will

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

20 Dec 2018, 02:28

4

2

3,782

by: bumpbot

21 Aug 2023, 11:45

ER

What is the minimum area of cardboard required to make a rectangular b

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Sajjad1994

25 Apr 2017, 12:12

9

4

3,783

by: jy295

12 May 2017, 01:48

ER

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

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

18 Mar 2020, 10:38

9

8

3,783

by: bumpbot

01 Aug 2023, 15:47

ER

If x is a positive integer, is x divisible by 4?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

Bunuel

20 Oct 2021, 03:30

6

3

3,783

by: bumpbot

09 Sep 2025, 09:12

ER

Is the area of a certain circle greater than the area of a certain

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

asterias

12 Feb 2020, 20:43

3

2

3,784

by: bumpbot

19 May 2021, 04:33