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

78,654

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

188,477

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

487,870

by: bb

29 Aug 2025, 13:27

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

28,721

by: bumpbot

23 Apr 2025, 01:29

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

2,256

by: HARRY113

12 Jul 2016, 21:14

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^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^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

2,024

by: prabhsimarkaura

01 Feb 2023, 21:46

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

2,573

by: bumpbot

12 Aug 2022, 09:37

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

1,268

by: DavidTutorexamPAL

06 Feb 2018, 06:21

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

25,084

by: bumpbot

25 Apr 2025, 01:44

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 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

03 Sep 2017, 06:25

5

4

2,075

by: sasyaharry

24 Sep 2017, 11:08

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

2,085

by: bumpbot

29 Nov 2022, 11:07

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

4,355

by: bumpbot

10 Jun 2024, 22:06

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

5,042

by: ManifestDreamMBA

06 Apr 2025, 09:19

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

5,415

by: bumpbot

21 Dec 2025, 06:29

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

3,627

by: bumpbot

07 Sep 2023, 02:53

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

1,630

by: BhishmaNaidu99

30 Jan 2020, 05:04

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

2,442

by: GMATWhizTeam

25 Feb 2020, 07:15

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) 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) 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) 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

974

by: zhanbo

13 Jun 2022, 02:43

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

1,872

by: Bunuel

14 Jan 2017, 09:50

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

1,897

by: DavidTutorexamPAL

04 Jun 2018, 21:58

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?

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+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

1,465

by: liolash

29 Oct 2019, 18:20

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

1,131

by: GMATinsight

19 Sep 2023, 03:47

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 + 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

6,030

by: bumpbot

05 Oct 2020, 10:50

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^2 ?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

BigBrad

09 Jun 2010, 06:22

23

17

8,012

by: bumpbot

05 Mar 2023, 22:26

ER

What is the value of ab?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Maxswe

09 Dec 2012, 11:06

9

9,070

by: bumpbot

06 Sep 2023, 11:27

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? (1) |a| + b = a (2) a + |b| = b

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

fireinbelly

30 Apr 2013, 05:26

38

10

8,367

by: bumpbot

16 May 2021, 03:13

ER

What is the value of ab? (1) 3a+ 2b = 23 (2) a + 4b = 21

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

29 Sep 2020, 01:43

1

3

1,869

by: TestPrepUnlimited

30 Sep 2020, 08:44

ER

What is the value of abcd ? (1) abc = 1 (2) bcd = 1

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

24 May 2023, 03:30

2

1

1,417

by: Archit3110

24 Jun 2023, 08:33

What is the value of abcd+a+b+c+d ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

alex90

25 Apr 2013, 05:31

73

6

13,668

by: bumpbot

17 Aug 2024, 03:27

ER

What is the value of b – 2c ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

23 Jun 2017, 08:27

3

2,508

by: KanishkM

19 Feb 2019, 01:08

ER

What is the value of b ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

avohden

22 Oct 2013, 22:00

5

3,063

by: Bunuel

01 Dec 2013, 07:21

ER

What is the value of b ? (1) (a + c)/c = 5 (2) b + a = 3

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

03 May 2021, 19:00

1

975

by: Kinshook

03 May 2021, 19:14

ER

What is the value of b ? (1) b^4 = 16 (2) 7^(3b − 4) = 49

Sub 505 (Easy) | Exponents

Sub 505 (Easy) | Exponents hide tags

Bunuel

24 Feb 2022, 02:30

1

1,496

by: kungfury42

24 Feb 2022, 04:49

ER

What is the value of b + c ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Walkabout

06 Dec 2012, 05:04

44

8

28,759

by: bumpbot

01 Nov 2025, 07:51

ER

What is the value of b + d in the figure above?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

20 Aug 2019, 02:25

3

4

1,336

by: Bunuel

19 Sep 2019, 02:31

ER

What is the value of B if a = b/c^2 ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

06 May 2015, 03:36

5

10

3,597

by: Ved22

19 May 2020, 21:24

What is the value of B in the equation AX^2+BX+C=0,where A,B,C are int

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Diya52

31 Mar 2019, 00:34

3

2

1,789

by: bumpbot

26 Jul 2022, 18:54

ER

What is the value of b^(1/2)/a ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

02 Mar 2022, 07:30

14

4

3,479

by: bumpbot

19 Dec 2024, 12:43

ER

What is the value of b, in the inscribed triangle above?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

12 Sep 2018, 00:44

3

2

1,438

by: bumpbot

24 Feb 2021, 12:52

ER

What is the value of b?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

12 Sep 2017, 05:21

2

2,157

by: sharadvatsey

12 Sep 2017, 14:33

ER

What is the value of b?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

marcovg4

31 May 2013, 11:33

6

7

3,865

by: bumpbot

31 Oct 2020, 01:18

ER

What is the value of b? (1) 3^(b^2 - 4) = 1 (2) 3^(b - 4 - 2c) = 9^

505-555 (Easy) | Exponents

505-555 (Easy) | Exponents hide tags

Bunuel

12 Feb 2019, 01:02

2

3

1,934

by: Archit3110

12 Feb 2019, 05:13