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

79,579

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

188,960

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

488,641

by: bb

29 Aug 2025, 13:27

ER

What is the value of integer n ? (1) n(n + 1) = 20 (2) 6!/(n!)(6-n)!

705-805 (Hard) | Combinations

705-805 (Hard) | Combinations hide tags

GMATinsight

08 Sep 2018, 05:24

26

9

4,333

by: bumpbot

20 Mar 2025, 04:30

ER

What is the value of x?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

GMATBusters

07 Dec 2019, 19:17

5

13

4,334

by: rajatchopra1994

11 Dec 2019, 10:15

ER

For a certain performance at a concert hall, a total of 2,350 tickets

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

15 Oct 2019, 23:39

3

2

4,334

by: bumpbot

18 Dec 2023, 04:35

ER

If b and c do not equal 0, is a=1/b+1/c ? (1)a is an integer such that

605-655 (Medium) | Algebra, Inequalities

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

BillyZ

08 Mar 2017, 23:54

16

3

4,337

by: bumpbot

24 Dec 2022, 04:50

ER

If x is a positive integer, what is the result when (x + 1)!

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

arjoban

29 May 2014, 04:02

17

3

4,337

by: bumpbot

10 Jan 2025, 04:09

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

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Poor Quality hide tags

paam0101

12 Jul 2010, 14:33

4

4,338

by: vannbj

15 Jul 2010, 12:24

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Is (x + y)/2 an integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

25 Jun 2017, 03:34

14

6

4,341

by: Bunuel

05 Aug 2023, 01:01

ER

If sequence S has 250 terms, what is the 243rd term of S ?

Sub 505 (Easy) | Sequences

Sub 505 (Easy) | Sequences hide tags

Bunuel

20 Nov 2017, 00:13

1

4

4,343

by: bumpbot

21 Apr 2022, 12:50

ER

If the average (arithmetic mean) annual income for a group of people

705-805 (Hard) | Percent and Interest Problems, Word Problems

705-805 (Hard) | Percent and Interest Problems, Word Problems hide tags

Bunuel

25 Jan 2018, 23:54

13

5

4,343

by: bumpbot

13 Nov 2025, 04:19

ER

x + y = 8. Does x = 3?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

11 Aug 2016, 06:48

7

3

4,344

by: bumpbot

08 Aug 2018, 12:11

ER

FGHJ is a rectangle, such that FJ = 40 and FJ > FG. Point M is the mi

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

mikemcgarry

06 Jun 2016, 10:50

5

4,344

by: bumpbot

14 Jan 2022, 06:09

ER

How many people are employed at a certain manufacturing plant with an

655-705 (Hard) | Fractions and Ratios, Word Problems

655-705 (Hard) | Fractions and Ratios, Word Problems hide tags

Bunuel

24 Jan 2016, 06:14

6

4

4,344

by: bumpbot

02 Dec 2023, 02:15

ER

In the coordinate plane, a triangle has points (4,6), (8,6), and (x,y)

605-655 (Medium) | Coordinate Plane, Geometry

605-655 (Medium) | Coordinate Plane, Geometry hide tags

Bunuel

23 May 2018, 22:53

15

4

4,346

by: dhairya18

23 Apr 2026, 23:51

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If A ,B , and C are points on the plane, is AB < 10 ?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

dungtd

04 Aug 2010, 20:35

3

8

4,347

by: bumpbot

22 Dec 2021, 17:19

ER

What is y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

flower07

13 Dec 2013, 16:31

9

6

4,347

by: bumpbot

20 Jan 2022, 06:13

ER

GMAT Club World Cup 2022 (DAY 5): The infinite decreasing sequence

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

Bunuel

15 Jul 2022, 08:00

28

3

4,347

by: Bunuel

19 Aug 2022, 10:48

ER

If the product of digits of a 2-digit integer n is 20, what is the

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

loveparis

09 Feb 2011, 15:05

1

3

4,348

by: bumpbot

30 Mar 2022, 03:34

ER

In the XY-plane, lines L and K are parallel. If the Y-intercept of lin

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

12 Nov 2018, 00:13

6

5

4,348

by: bumpbot

17 Sep 2022, 08:46

ER

Out of a stock of 10 microphones, an electronics store sold more than

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

MT1302

20 Mar 2024, 08:25

12

10

4,348

by: nishantswaft

13 Feb 2025, 19:26

ER

If x is an integer, is x between 27 and 54?

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

Bunuel

13 Nov 2019, 00:54

16

14

4,348

by: bumpbot

18 Aug 2025, 22:05

ER

Set Q contains p numbers, where p > 1. What is the ratio

555-605 (Medium) | Statistics and Sets Problems

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

rxs0005

08 Dec 2010, 16:32

12

5

4,349

by: bumpbot

21 Jul 2025, 05:09

ER

If x is an integer, is x even?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

RichaKhanna

07 Jul 2015, 00:46

1

5

4,350

by: bumpbot

02 Oct 2020, 03:05

ER

Is x greater than 2?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

14 Jul 2015, 03:29

5

9

4,351

by: bumpbot

01 Feb 2021, 04:44

ER

x = 2y + z, where z < y. Find x.

805+ (Hard) | Multiples and Factors +2 tags

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

PrepTap

18 May 2015, 22:40

18

9

4,351

by: bumpbot

04 Dec 2022, 05:07

ER

What is the value of x?

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

rajatr

25 Apr 2013, 01:56

2

10

4,351

by: bumpbot

12 Sep 2023, 14:33

ER

If x is an integer, then x is divisible by how many positive integers?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

GMATBusters

08 Dec 2018, 10:01

18

7

4,352

by: MBAB123

29 May 2021, 10:47

ER

List L consists of 12, 8, 10, 14, and 6. If two numbers are removed

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

27 Dec 2015, 08:39

4

2

4,352

by: bumpbot

20 Jul 2023, 01:17

ER

12 Days of Christmas GMAT Competition - Day 10: Three ethanol-water

655-705 (Hard) | Mixture Problems

655-705 (Hard) | Mixture Problems hide tags

Bunuel

27 Dec 2024, 09:00

27

14

4,352

by: bumpbot

20 Apr 2026, 05:30

ER

A rental car agency owns a total of 5x cars and 2x trucks, where x is

555-605 (Medium) | Fractions and Ratios

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

Bunuel

13 Mar 2020, 04:55

15

4

4,353

by: bumpbot

14 Nov 2022, 06:24

ER

If a and b are positive integers with different units digits, and b...

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

CAMANISHPARMAR

16 Jun 2018, 02:20

30

4

4,353

by: bumpbot

29 May 2024, 07:23

ER

If D is the greatest common divisor of A+7 and N, where N and A are in

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

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

Bunuel

06 Nov 2019, 02:01

13

4

4,354

by: bumpbot

19 Aug 2023, 09:21

ER

If n and m are integers, is n/3 an integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

25 Apr 2016, 03:55

6

7

4,354

by: bumpbot

30 Oct 2023, 20:29

ER

If m and n are positive integers, what is the greatest common factor

705-805 (Hard) | Multiples and Factors

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

Bunuel

01 Sep 2019, 22:53

12

8

4,355

by: bumpbot

30 May 2023, 12:57

ER

In Alba language school, 30 students study Spanish or Finnish or both.

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

04 May 2026, 04:28

15

17

4,356

by: bumpbot

04 Mar 2025, 17:39

ER

Is the average (arithmetic mean) of x, y and z equal to 16?

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

19 Feb 2020, 02:23

6

7

4,357

by: vthatha

19 Feb 2020, 16:10

ER

If x and y are positive integers, then what is the value of (1)^x + (

805+ (Hard) | Exponents +2 tags

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

Bunuel

05 Jul 2018, 05:47

25

7

4,357

by: Bunuel

12 Nov 2021, 09:03

ER

If the average of 7 numbers is 72, how many of the numbers

555-605 (Medium) | Statistics and Sets Problems

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

BN1989

20 Mar 2012, 13:43

8

6

4,358

by: bumpbot

25 Sep 2019, 05:17

ER

A number n has the prime factors a, b, and c, and only these

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Poor Quality hide tags

actleader

06 Nov 2012, 22:59

3

4,359

by: dabral

07 Nov 2012, 14:37

ER

Is rst > rs/t? (1) rst > 2 (2) t > 2

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

nishith17

09 Jul 2023, 00:17

14

10

4,359

by: bumpbot

08 Jul 2023, 22:37

ER

The revenue of a company is directly proportional to the number of cus

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

05 Jun 2020, 08:16

2

4

4,360

by: bumpbot

18 Oct 2022, 04:32

ER

Which triangle, ADE or AEC, has the larger area? ABCD is a rectangle.

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

22 Oct 2017, 06:44

5

7

4,360

by: Bunuel

05 Oct 2023, 09:51

ER

If two circles overlap each other, what is the area of that overlap?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

24 Mar 2020, 07:05

15

5

4,361

by: bumpbot

02 Aug 2022, 12:11

ER

If the terms of a sequence with even integers are a1, a2, a3, . . . ,

655-705 (Hard) | Sequences

655-705 (Hard) | Sequences hide tags

Bunuel

26 May 2016, 11:09

9

6

4,362

by: bumpbot

27 Apr 2026, 04:40

ER

A and B are nonzero integers, is A < 5B?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

17 Sep 2015, 01:08

11

6

4,364

by: danbrown9445

27 Jun 2021, 02:01

ER

Is triangle XYZ an equilateral triangle?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

24 Aug 2018, 05:18

4

4,365

by: CounterSniper

25 Aug 2018, 10:58

ER

Is abc = 2?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

13 Nov 2014, 09:40

6

5

4,366

by: manojach87

12 Jul 2016, 18:35

ER

How many factors does the number X have?

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

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

EgmatQuantExpert

13 Aug 2018, 02:04

3

4,366

by: AkshdeepS

27 Mar 2018, 06:36

ER

Is x a multiple of 72?

505-555 (Easy) | Multiples and Factors

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

MHIKER

30 Oct 2018, 15:23

11

3

4,366

by: bumpbot

20 Apr 2024, 04:39

Is the measure of two exterior angles of a triangle PQR, each equal to

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

amanvermagmat

12 Apr 2018, 22:45

18

8

4,367

by: bumpbot

30 Jun 2022, 10:58

ER

12 Days of Christmas GMAT Competition - Day 3: Leonard had each comic

705-805 (Hard) | Statistics and Sets Problems

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

1, 2, 3

Bunuel

18 Dec 2024, 09:00

42

59

4,367

by: D3N0

19 Dec 2024, 23:21