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

79,905

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

189,023

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,742

by: bb

29 Aug 2025, 13:27

ER

A and B have a total of $220 between them. Find the amount with A?

805+ (Hard) | Algebra, Word Problems

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

aa008

10 Oct 2018, 20:24

5

2

1,600

by: bumpbot

24 Jun 2025, 12:12

ER

What is the value of x^(-6) ? (1) x^(-2) = 1/36 (2) x^6 = 46,656

Sub 505 (Easy) | Algebra, Exponents

Sub 505 (Easy) | Algebra, Exponents hide tags

Bunuel

29 Oct 2019, 02:17

2

1,851

by: bumpbot

24 Jun 2025, 11:44

ER

Find the greater of the two roots of the equation x^2 + bx + c

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

gmatophobia

16 Feb 2023, 00:13

12

9

2,637

by: amansoni5

20 Jun 2025, 22:44

ER

A bag of coins contains only nickels, dimes, and quarters. There are 3

605-655 (Medium) | Algebra, Word Problems

605-655 (Medium) | Algebra, Word Problems hide tags

Bunuel

20 Dec 2018, 02:20

14

3

7,882

by: bumpbot

20 Jun 2025, 22:43

ER

New DS set!!!

555-605 (Medium) | Algebra +7 tags

555-605 (Medium), 655-705 (Hard) | Algebra, Fractions and Ratios, Geometry, Inequalities, Probability, Remainders, Work and Rate Problems hide tags

1, 2, 3

Bunuel

10 Apr 2013, 08:10

814

57

138,716

by: bumpbot

20 Jun 2025, 04:59

ER

Bunuel's Algebra DS Diagnostic Test

505-555 (Easy) | Absolute Values +11 tags

505-555 (Easy), 555-605 (Medium), 655-705 (Hard) | Absolute Values, Algebra, Combinations, Exponents, Fractions and Ratios, Functions and Custom Characters, Inequalities, Min-Max Problems, Percent and Interest Problems, Roots hide tags

1, 2, 3

Bunuel

17 Aug 2023, 01:45

166

53

25,549

by: Gg153

19 Jun 2025, 10:01

ER

What is the value of (a! + b!)(c! + d!)?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

AnkitK

29 Aug 2019, 07:19

52

13

12,289

by: bumpbot

18 Jun 2025, 10:10

ER

For which value of x will y=ax^2+100x+b have a maximum in the xy-pla

605-655 (Medium) | Algebra +2 tags

605-655 (Medium) | Algebra, Functions and Custom Characters, Min-Max Problems hide tags

MathRevolution

28 Nov 2017, 00:55

55

3

6,250

by: bumpbot

16 Jun 2025, 17:54

ER

What is the value of (x + y)^2?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

GMATmission

04 Oct 2011, 07:37

25

17

11,018

by: bumpbot

16 Jun 2025, 09:10

ER

In a poker game, Janice's and Ralph's combined earnings totaled $150.

605-655 (Medium) | Algebra, Fractions and Ratios

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

AbdurRakib

06 Jun 2016, 11:19

25

6

5,191

by: bumpbot

16 Jun 2025, 05:14

ER

What is greater, x or 1/x ?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

GKomoku

09 Apr 2020, 11:25

11

2

3,591

by: bumpbot

16 Jun 2025, 01:48

ER

If the function f is defined for all x by f(x)= ax^2+bx-43, where a an

605-655 (Medium) | Algebra, Functions and Custom Characters

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

Gmatdecoder

18 Dec 2014, 10:11

17

8

8,982

by: bumpbot

16 Jun 2025, 01:48

ER

For all non zero integers n, n*=(n+2)/n. What is the value

605-655 (Medium) | Algebra, Functions and Custom Characters

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

bschool83

24 Jul 2011, 12:41

37

13

10,103

by: bumpbot

15 Jun 2025, 22:43

ER

A store sells erasers for 0.23$ per piece and pencil for 0.1

555-605 (Medium) | Algebra, Word Problems

555-605 (Medium) | Algebra, Word Problems hide tags

honchos

26 Jul 2014, 10:36

48

9

14,957

by: bumpbot

15 Jun 2025, 08:08

ER

Is a^x equal to 4? (1) a^{x + 1} = 4 (2) (a + 1)^x = 4

805+ (Hard) | Algebra, Exponents

805+ (Hard) | Algebra, Exponents hide tags

Bunuel

28 May 2022, 05:45

9

3

2,209

by: bumpbot

15 Jun 2025, 00:22

ER

If xy 0 and x^(y + 1) = 2x^y - 1, what is the value of x?

805+ (Hard) | Algebra, Exponents

805+ (Hard) | Algebra, Exponents hide tags

Bunuel

28 Aug 2017, 03:25

43

8

5,980

by: bumpbot

14 Jun 2025, 11:42

ER

What is the value of |r| ? (1) r < 0 (2) r^2 = 64

505-555 (Easy) | Absolute Values, Algebra

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

Bunuel

03 Oct 2023, 01:30

7

2

2,018

by: bumpbot

12 Jun 2025, 22:53

ER

In an experiment, the rate at which a certain bacterium grows is G.

605-655 (Medium) | Algebra, Functions and Custom Characters

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

MT1302

20 Mar 2024, 08:29

8

5

3,669

by: gabgol1998

12 Jun 2025, 11:02

ER

If m and n are integers, what is the value of m^4 + n^4? (1) n^3 = 27

Sub 505 (Easy) | Algebra, Exponents

Sub 505 (Easy) | Algebra, Exponents hide tags

AndrewN

26 Jul 2022, 07:08

3

4

2,241

by: ansh00700

12 Jun 2025, 02:16

ER

If xyz ≠ 0. what is the value of x/y^2 ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

29 Dec 2021, 08:30

2

5

4,042

by: bumpbot

11 Jun 2025, 20:34

ER

If x is a non-zero integer, what is the value of xy?

605-655 (Medium) | Algebra, Exponents

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

Bunuel

06 Nov 2014, 09:20

25

6

7,964

by: Kinshook

11 Jun 2025, 07:56

ER

Is x = 1/y? (1) xy = 1 (2) 1/(xy) = 1

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

21 Oct 2015, 21:33

30

16

30,911

by: bumpbot

10 Jun 2025, 22:26

ER

If 2a + b = −3(2c − 1), what is the value of b?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

shridhar786

09 Oct 2019, 05:54

5

3

2,444

by: bumpbot

10 Jun 2025, 16:26

ER

Is 2x - 3y < x^2 ? (1) 2x - 3y = -2 (2) x > 2 and y > 0

655-705 (Hard) | Algebra, Inequalities

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

metallicafan

10 Mar 2024, 09:55

259

14

41,044

by: Bunuel

08 Jun 2025, 10:07

ER

Is a^2 > 3a b^4?

655-705 (Hard) | Algebra, Inequalities

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

Bunuel

02 Oct 2015, 01:41

41

15

10,716

by: Bunuel

04 Jun 2025, 23:46

ER

If n is a positive integer and y ≠ 0, what is the value of

555-605 (Medium) | Algebra, Number Properties

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

mvictor

07 Oct 2014, 14:51

17

7

8,759

by: bumpbot

02 Jun 2025, 02:05

ER

Is m = 5? (1) (m - 5)(n - 6) = 0 (2) (n - 6) = 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

shriwasakshat

02 Jun 2025, 00:42

1

2

446

by: Bunuel

02 Jun 2025, 00:57

ER

If 3x – 2y = 7, what is the value of x ? x and y are positive integer

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

CAMANISHPARMAR

27 Nov 2019, 23:32

1

4

6,166

by: bumpbot

01 Jun 2025, 15:21

ER

If f(x) is a linear function, what is the value of f(1)?

805+ (Hard) | Algebra, Functions and Custom Characters

805+ (Hard) | Algebra, Functions and Custom Characters hide tags

Bunuel

10 Jul 2017, 04:36

42

6

6,557

by: bumpbot

31 May 2025, 07:51

ER

There are 3 types of machines working together to fill soda bottles

705-805 (Hard) | Algebra, Fractions and Ratios

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

chetan2u

07 May 2019, 08:49

23

12

5,383

by: bumpbot

27 May 2025, 09:22

ER

If y<>2xz, what is the value of 2xz + yz/2xz-y ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Kinshook

20 Nov 2019, 09:50

4

2,134

by: bumpbot

27 May 2025, 06:59

ER

12 Days of Christmas GMAT Competition - Day 8: During a Christmas

605-655 (Medium) | Algebra, Word Problems

605-655 (Medium) | Algebra, Word Problems hide tags

Bunuel

20 Dec 2023, 07:00

6

4

4,052

by: bumpbot

26 May 2025, 19:53

ER

If x and y are non-zero integers, is x/y an integer?

705-805 (Hard) | Algebra, Number Properties

705-805 (Hard) | Algebra, Number Properties hide tags

Bunuel

26 Sep 2018, 05:25

8

3

3,532

by: bumpbot

26 May 2025, 15:46

ER

a = x + y and b = x - y. If a^2 = b^2, what is the value of

705-805 (Hard) | Algebra +2 tags

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

eybrj2

05 Jun 2013, 03:37

84

13

11,169

by: bumpbot

23 May 2025, 10:27

ER

Does x + y = 5 ? (1) 4x + y = 17 (2) x + 4y = 8

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

gmatJP

05 Jun 2019, 08:26

66

13

31,498

by: bumpbot

21 May 2025, 22:07

ER

If x and y are distinct positive integers, what is the value

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

ankitmania

18 Jul 2010, 08:11

48

6

13,107

by: bumpbot

17 May 2025, 07:16

ER

The daily profit, P, for selling x units of a certain item at

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

ilikeshoppingalot

20 Mar 2024, 17:33

60

10

11,328

by: bumpbot

14 May 2025, 00:01

ER

What is the value of x^2 − y^2 ? (1) (x - y)^2 = 9 (2) x + y = 6

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Carcass

27 Jul 2017, 08:09

127

13

26,929

by: Bunuel

13 May 2025, 23:46

ER

If x, y, and z are integers and 2^x*5^y*z = 6.4*10^6, what is the valu

605-655 (Medium) | Algebra, Exponents

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

Bunuel

04 Apr 2026, 11:18

33

8

7,901

by: bumpbot

13 May 2025, 19:55

ER

Is pq = 1? (1) pqp = p (2) qpq = q

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

DFG5150

01 Oct 2013, 03:21

77

16

28,549

by: Bunuel

29 Apr 2025, 10:07

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

25,178

by: bumpbot

25 Apr 2025, 01:44

ER

If x ≠ −1, which is greater, 1/(x+1) or x/2 ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

GMATBusters

01 Nov 2018, 08:35

12

4

7,822

by: Bunuel

24 Apr 2025, 08:26

ER

If the sum of the three different numbers is 54, what is the largest

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

geometric

15 Jan 2012, 23:50

60

9

32,666

by: bumpbot

24 Apr 2025, 01:04

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

28,766

by: bumpbot

23 Apr 2025, 01:29

ER

If x^2+y^2=1, is x+y=1 ? (1) xy=0 (2) y=0

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

rraggio

17 May 2012, 01:19

27

18

30,665

by: bumpbot

23 Apr 2025, 01:17

ER

What is the value of xy? (1) y = x - 1 (2) y^2 = -|x - 1|

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

16 Sep 2023, 08:45

7

3

1,688

by: bumpbot

23 Apr 2025, 00:19

ER

What is the value of x?

605-655 (Medium) | Algebra, Number Properties

605-655 (Medium) | Algebra, Number Properties hide tags

Bunuel

27 Jan 2015, 07:35

55

9

7,809

by: bumpbot

22 Apr 2025, 11:31

ER

If (y + 3)(y - 1) - (y - 2)(y - 1) = r(y - 1), what is the value of y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Jasonammex

01 Sep 2020, 05:31

30

12

15,478

by: bumpbot

22 Apr 2025, 04:21

ER

If p and q are positive integers and pq = 24, what is the

Sub 505 (Easy) | Algebra, Number Properties

Sub 505 (Easy) | Algebra, Number Properties hide tags

Bunuel

17 Jan 2014, 02:35

35

8

44,780

by: bumpbot

22 Apr 2025, 04:20

ER

If |x - y| = |x - z|, what is the value of x?

805+ (Hard) | Absolute Values, Algebra

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

Bunuel

05 Jul 2018, 05:35

73

16

7,437

by: bumpbot

20 Apr 2025, 23:11