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

176

15

78,573

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

854

24

188,430

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

487,779

by: bb

29 Aug 2025, 13:27

ER

What is the value of ab? (1) (a - 2) (b - 3) = 0 (2) b = 2

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Russ19

27 Jun 2020, 20:42

11

8

4,134

by: bumpbot

17 Jan 2024, 20:54

ER

What is the value of ab?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Maxswe

09 Dec 2012, 11:06

9

9,068

by: bumpbot

06 Sep 2023, 11:27

ER

What is the value of ab^2 ?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

BigBrad

09 Jun 2010, 06:22

23

17

8,008

by: bumpbot

05 Mar 2023, 22:26

ER

What is the value of ab + bc ? (1) b = a + c (2) b = 3

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

06 Sep 2019, 10:57

1

1,393

by: Harsh9676

06 Sep 2019, 11:23

ER

What is the value of ab + bc ? (1) b = 5 (2) a + c = 8

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

06 Dec 2015, 12:06

2

9

6,028

by: bumpbot

05 Oct 2020, 10:50

ER

What is the value of ab ? (1) a|b| = 7 (2) b|a| = 7

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

Bunuel

31 Oct 2023, 01:30

4

2

977

by: unraveled

31 Oct 2023, 08:57

ER

What is the value of ab ? (1) a^2 + b^2 = 52 (2) a + b = 2

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

19 Sep 2023, 01:30

2

1

1,129

by: GMATinsight

19 Sep 2023, 03:47

ER

What is the value of a+b+c? (I) c is the average of a, b and c.

555-605 (Medium) | Algebra, Statistics and Sets Problems

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

chetan2u

29 Oct 2019, 05:50

1

2

1,463

by: liolash

29 Oct 2019, 18:20

ER

What is the value of a+b?

705-805 (Hard) | Algebra, Roots

705-805 (Hard) | Algebra, Roots hide tags

fskilnik

26 Feb 2019, 10:58

10

6

3,302

by: bumpbot

22 May 2023, 07:49

ER

What is the value of a+b ?

Poor Quality

Poor Quality hide tags

summer101

02 Jun 2013, 05:07

2

2,043

by: Bunuel

02 Jun 2013, 10:45

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

1,896

by: DavidTutorexamPAL

04 Jun 2018, 21:58

ER

What is the value of a/3-b/3

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

HKD1710

14 Jan 2017, 09:51

1

1,870

by: Bunuel

14 Jan 2017, 09:50

ER

What is the value of a? (1) a^2 - 10a + 21 = 0 (2) a^2 < 21

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

13 Jun 2022, 01:30

1

972

by: zhanbo

13 Jun 2022, 02:43

ER

What is the value of a? (1) 5 < a < 7 (2) a^2 = 36

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

19 Sep 2023, 01:30

2

1

1,049

by: GMATinsight

19 Sep 2023, 03:43

ER

What is the value of a? (1) 4a = 9 + a (2) a*a = 3a

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

11 Nov 2023, 06:39

1

1,172

by: VivekSri

13 Nov 2023, 21:33

ER

What is the value of a? (1) -(a + b) = 2a b + 9 (2) a + b = 6

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

15 Mar 2022, 01:30

3

1

1,290

by: Sr1994

15 Mar 2022, 02:08

ER

What is the value of a? (1) The area of an equilateral triangle of si

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

25 Feb 2020, 03:23

1

2,440

by: GMATWhizTeam

25 Feb 2020, 07:15

ER

What is the value of A? (1) A|A| = -4 (2) -3 < A < -1

505-555 (Easy) | Absolute Values, Inequalities

505-555 (Easy) | Absolute Values, Inequalities hide tags

Bunuel

29 Jan 2020, 01:48

1

2

1,629

by: BhishmaNaidu99

30 Jan 2020, 05:04

ER

What is the value of a? (1) a^2 + a – 12 = 0 (2) |a| > 2

Sub 505 (Easy) | Absolute Values, Algebra

Sub 505 (Easy) | Absolute Values, Algebra hide tags

DebbieChats

01 Feb 2019, 04:10

4

6

3,625

by: bumpbot

07 Sep 2023, 02:53

ER

What is the value of a? (1) |a|−|b|=0 (2) |a|+|b|=0

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

ANMKGMAT2018

19 Sep 2018, 02:40

16

3

5,411

by: bumpbot

21 Dec 2025, 06:29

ER

What is the value of a?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

sandeepk123

03 Aug 2014, 01:18

17

5

5,041

by: ManifestDreamMBA

06 Apr 2025, 09:19

ER

What is the value of a?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

HustleHarder

31 Aug 2010, 14:46

4

7

4,350

by: bumpbot

10 Jun 2024, 22:06

ER

What is the value of a^4 – b^4 ?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

25 Sep 2017, 00:03

2

3

2,083

by: bumpbot

29 Nov 2022, 11:07

ER

What is the value of a^4 – b^4 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

03 Sep 2017, 06:25

5

4

2,074

by: sasyaharry

24 Sep 2017, 11:08

ER

What is the value of a^4 - b^4 ? (1) a = 3 (2) b = a

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

04 Mar 2022, 02:30

7

6

2,168

by: bumpbot

20 Sep 2023, 09:33

ER

What is the value of a^4 - b^4 ?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

itspinky

04 Sep 2009, 17:56

134

13

25,075

by: bumpbot

25 Apr 2025, 01:44

ER

What is the value of a^4 - b^4 ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

06 Feb 2018, 06:04

1

1,265

by: DavidTutorexamPAL

06 Feb 2018, 06:21

ER

What is the value of a^3+b^3 ?

605-655 (Medium) | Algebra, Exponents

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

fskilnik

14 Feb 2019, 13:12

7

3

2,571

by: bumpbot

12 Aug 2022, 09:37

ER

What is the value of a^2b/c? (1) a = 1/b and c = 1/a (2) b=c and a=4c

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

02 Jun 2022, 01:56

7

4

2,023

by: prabhsimarkaura

01 Feb 2023, 21:46

ER

What is the value of a^2b^2? (A) 2a + b = 12 (B) 3a + 3b = 27

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

07 Jan 2017, 03:46

3

4,618

by: Sumitj2016

09 Jan 2017, 03:10

ER

What is the value of a^2 - b^2? (1) b = 4 - a (2) a - 3 = b

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

19 Sep 2019, 21:30

1

1,073

by: KSBGC

19 Sep 2019, 21:36

ER

What is the value of a^2 - 2a + b^2?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

EBITDA

12 Jul 2016, 09:26

2

15

2,255

by: HARRY113

12 Jul 2016, 21:14

ER

What is the value of a^(-2)*b^(-3)?

605-655 (Medium) | Algebra, Exponents

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

monirjewel

30 Jan 2015, 06:04

66

18

28,713

by: bumpbot

23 Apr 2025, 01:29

ER

What is the value of a two-digit positive integers n?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

TheUltimateWinner

08 Feb 2021, 07:41

1

1,242

by: chetan2u

08 Feb 2021, 22:50

ER

What is the value of a two-digit positive integer n, where i

705-805 (Hard) | Multiples and Factors, Number Properties

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

fozzzy

17 Jun 2013, 02:19

13

6

4,146

by: bumpbot

11 Jul 2023, 04:49

ER

What is the value of a positive integer x? (1) x is three times the

805+ (Hard) | Algebra, Number Properties

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

Bunuel

10 Dec 2018, 02:32

28

8

4,958

by: Bunuel

09 Nov 2021, 04:29

ER

What is the value of a positive integer x? (1) x has exactly two disti

705-805 (Hard) | Multiples and Factors

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

Bunuel

26 Sep 2018, 05:35

6

8

3,245

by: Pranavsawant

11 Aug 2025, 16:57

ER

What is the value of a positive integer x? (1) x divided by 3 leaves

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

14 Apr 2021, 02:30

6

2,585

by: vallequalle

17 Mar 2026, 07:47

ER

What is the value of a positive integer n?

555-605 (Medium) | Multiples and Factors

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

Bunuel

17 Nov 2023, 07:02

4

2

1,588

by: bumpbot

05 Nov 2025, 07:54

ER

What is the value of a positive integer n if 2, 3 and 5 are the only

705-805 (Hard) | Multiples and Factors

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

Bunuel

22 Mar 2023, 05:30

1

4

1,234

by: SaquibHGMATWhiz

15 May 2023, 23:42

ER

What is the value of a positive integer k? (1) When k is divided by 5

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

26 Apr 2023, 08:30

2

3

1,159

by: Bunuel

30 Apr 2023, 12:49

ER

What is the value of a in the quadrilateral above?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

CAMANISHPARMAR

14 Oct 2019, 23:29

2

883

by: CareerGeek

14 Oct 2019, 23:32

ER

What is the value of a and b ? (1) 2a + 6b = 8 (2) 3b + a = 4

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

20 Jun 2023, 08:00

1

945

by: gmatophobia

21 Jun 2023, 14:05

ER

What is the value of a − b ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

macjas

27 May 2012, 09:32

1

2

4,365

by: bumpbot

29 Mar 2017, 05:39

ER

What is the value of a + c? (1) The arithmetic average of a and b is

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

20 Apr 2018, 06:39

2

1,167

by: Nirenjan

20 Apr 2018, 09:14

ER

What is the value of A + C? (1) A + B = 10 (2) B + C = 20

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

03 Jul 2018, 10:57

2

1,549

by: EgmatQuantExpert

05 Jul 2018, 04:29

ER

What is the value of a + b/(ab)^1/2? (1) a is 4 times b.

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Sajjad1994

22 Jan 2020, 00:39

8

11

2,289

by: Bunuel

22 Jan 2020, 09:26

ER

What is the value of a + b? (1) a and b are the roots of the equa

Poor Quality

Poor Quality hide tags

kawal27

19 Nov 2020, 03:48

1

1,502

by: IanStewart

19 Nov 2020, 07:18

ER

What is the value of a + b? (1) |a| = -|b| (2) |b| = -|a|

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

alimad

14 Jun 2007, 12:02

38

2

16,767

by: bumpbot

28 Oct 2023, 06:43

What is the value of a + b? (1) The difference between 3.ab4 and 4.

705-805 (Hard) | Fractions and Ratios

705-805 (Hard) | Fractions and Ratios hide tags

ratedR123

01 Feb 2021, 11:25

3

1,898

by: bumpbot

29 May 2023, 23:15