Data Sufficiency (DS)

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,755

by: bb

29 Aug 2025, 13:27

ER

If a^3, b^3, and c^3 are all positive, does a^2 = b/c^3?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

30 Oct 2019, 01:21

1

1,380

30 Oct 2019, 07:35

ER

Is ab(b - 4) a positive integer?

505-555 (Easy) | Algebra, Number Properties

505-555 (Easy) | Algebra, Number Properties hide tags

Bunuel

30 Oct 2019, 02:17

1

2

1,494

by: BrentGMATPrepNow

30 Oct 2019, 07:32

ER

If y > 0, is x less than 0? (1) xy = 16 (2) x − y = 6

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

29 Oct 2019, 21:53

1

4

4,453

30 Oct 2019, 02:19

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

1,477

by: liolash

29 Oct 2019, 18:20

ER

What is the value of x + y + z? (1) y + z = 2x (2) 1⁄x + 1⁄y + 1⁄z =4/

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

29 Oct 2019, 02:11

3

1

1,229

29 Oct 2019, 05:15

ER

If a and b are integers, what is the value of b ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Gnpth

24 Jul 2014, 05:36

5

2

3,536

26 Oct 2019, 22:33

ER

What is the value of |a/b|? (I) a+b/b=13/4

655-705 (Hard) | Absolute Values +2 tags

655-705 (Hard) | Absolute Values, Algebra, Number Properties hide tags

chetan2u

22 Oct 2019, 20:01

7

3

1,594

by: satya2029

26 Oct 2019, 17:04

ER

What is the average (arithmetic mean) of 8a and 4b? (1) a + b = 5 (2

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

02 May 2019, 03:32

3

6

2,985

by: AUTricco27

23 Oct 2019, 14:05

ER

If p is a negative number, what is the value of p ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

23 Oct 2019, 02:03

1

1,327

23 Oct 2019, 02:14

ER

Greta and Randy collected bottles to be recycled. How many bottles did

Sub 505 (Easy) | Algebra, Word Problems

Sub 505 (Easy) | Algebra, Word Problems hide tags

Bunuel

21 Oct 2019, 06:33

2

3,865

by: anshuliitd

21 Oct 2019, 10:51

ER

If a and b are integers, is a + b = 12?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

chetan2u

18 Oct 2019, 00:52

6

4

1,989

20 Oct 2019, 22:39

ER

If b is positive, is ab positive?

Sub 505 (Easy) | Algebra, Inequalities

Sub 505 (Easy) | Algebra, Inequalities hide tags

Bunuel

11 Aug 2017, 03:43

6

8

8,903

19 Oct 2019, 06:54

ER

If X = a/2^2 + b/2^3 + c/2^5, does X = 5/16 ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

18 Oct 2019, 03:14

5

3

1,781

18 Oct 2019, 20:04

ER

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

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

17 Oct 2019, 23:50

2

2,338

18 Oct 2019, 02:33

ER

Does r - s= 52? (1) r = -s - 2 (2) s = -27 and r = 25

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

17 Oct 2019, 23:39

2

1,076

18 Oct 2019, 00:53

ER

Does rst = 1? (1) rs = –1 (2) rt = –1

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

17 Oct 2019, 22:22

2

1,496

18 Oct 2019, 00:46

ER

What is the value of 4n – 5m?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

13 Dec 2015, 05:27

4

5

5,838

17 Oct 2019, 20:54

ER

If x = a/2 = 3b, what is the value of a^2 - b^2?

555-605 (Medium) | Algebra, Fractions and Ratios

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

Bunuel

17 Oct 2019, 02:08

1

1,384

17 Oct 2019, 03:20

ER

Does (x + y)^2 + (x - y)^2 = 170? (1) x^2 + y^2= 85 (2) x = y + 1

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

15 Oct 2019, 23:31

1

1,623

16 Oct 2019, 03:52

ER

If x ≠ 0, is x equal to -1? (1) x^5 = x (2) x^2 = -x

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

15 Oct 2019, 23:07

2

1

1,230

by: firas92

15 Oct 2019, 23:37

ER

What is the product of X and Y? (1) 2X + 2Y = 46. (2) (X + Y)^2 = (X

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

15 Oct 2019, 02:38

1

903

15 Oct 2019, 02:41

ER

If -3x/4 + 3y - 1/2 = 3y/2 - x/4, what is the value x?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

11 Oct 2019, 02:13

4

2,066

by: siddharthkapoor

12 Oct 2019, 03:20

ER

If x, y, and z are positive integers, what is the value of x?

505-555 (Easy) | Algebra, Exponents

505-555 (Easy) | Algebra, Exponents hide tags

Bunuel

10 Oct 2019, 01:54

3

1

1,915

by: siddharthkapoor

11 Oct 2019, 23:38

ER

If (x + 1)y = 4, what is the value of x ? (1) xy = 2 (2) y > 0

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

11 Oct 2019, 01:53

4

1,263

11 Oct 2019, 10:11

ER

What is the value of x? (1) x^5 = x^6 (2) x^(1/2) = x

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

11 Oct 2019, 00:39

1

1,058

11 Oct 2019, 01:26

ER

What is the value of x? (1) 2x + 4y = 3 (2) 3(x + 2y) = 6y - x

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

11 Oct 2019, 00:47

1

1,543

11 Oct 2019, 01:22

ER

If x and z are positive integers and x + z = 13 what is the ratio of x

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

10 Oct 2019, 01:50

1

1,453

by: nikpat

10 Oct 2019, 07:38

ER

When Sarah visited the Canadian side of Niagara Falls, her cell phone

655-705 (Hard) | Algebra, Word Problems

655-705 (Hard) | Algebra, Word Problems hide tags

gmat1393

05 Oct 2019, 10:16

1

2,179

by: ccooley

05 Oct 2019, 15:08

ER

What is the value of x + y ? (1) a = 3x and b = 4y (2) d = x + y/2

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Sajjad1994

30 Sep 2019, 10:05

1

1,106

by: stne

04 Oct 2019, 09:19

ER

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

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

02 Oct 2019, 05:24

2

1

850

by: LeoN88

02 Oct 2019, 06:20

ER

Is x = 3? (1) (x - 4)(x - 3)/(x - 3) = 0 (2) (x – 4)(x + 4) = 0

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

peacewarriors

15 Jun 2020, 23:58

4

10

2,904

by: Bunuel

28 Sep 2019, 10:03

What is the value of integer n ? (1) (n - 2)^n = 243 (2) n(n - 2) = 15

605-655 (Medium) | Algebra, Exponents

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

CareerGeek

27 Sep 2019, 10:35

1

3

1,925

by: nishthagupta

28 Sep 2019, 02:38

ER

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

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

25 Sep 2019, 21:53

2

1

1,427

by: shridhar786

25 Sep 2019, 22:20

ER

Is a^2 + a > -b^2?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Creeper300

07 Nov 2010, 13:39

9

7

4,559

25 Sep 2019, 05:20

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

3,772

25 Sep 2019, 05:17

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

1,084

by: KSBGC

19 Sep 2019, 21:36

ER

Which expression is odd n^2 + 3 or n^2 + 4? (1) n is an even integer.

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Sajjad1994

19 Sep 2019, 03:36

2

939

by: TestPrepUnlimited

19 Sep 2019, 11:27

ER

What is the value of (8a + a - b)/(a - b) ? (1) (5a + 4b)/(a - b) = 2

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

15 Jul 2018, 07:40

7

3,412

by: Bunuel

19 Sep 2019, 03:15

ER

What is the value of integer n ?

505-555 (Easy) | Algebra, Exponents

505-555 (Easy) | Algebra, Exponents hide tags

Bunuel

22 Jun 2017, 04:58

3

8

4,874

19 Sep 2019, 02:06

ER

In the expression above, if yn ≠ 0, what is the value of m?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

19 Aug 2019, 01:03

4

5

2,040

by: Bunuel

18 Sep 2019, 01:24

ER

If xy = 3, what is the value of xy(x + y) ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

02 Oct 2017, 23:56

9

7

3,817

17 Sep 2019, 05:54

ER

What is the value of x ? (1) x = 5 (2) x = 5 or x = 6

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

10 Sep 2019, 00:31

1

2

1,064

10 Sep 2019, 02:23

ER

What is the value of |w| ? (1) w^2 = 16 (2) |w| = -w

555-605 (Medium) | Absolute Values, Algebra

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

Bunuel

10 Sep 2019, 00:41

1

3

1,884

10 Sep 2019, 01:47

ER

What is the value of x + y^2 ? (1) x + y = 7 (2) x^2 + y^2 = 25

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Sajjad1994

06 Sep 2019, 07:24

1

2

1,521

by: ccooley

08 Sep 2019, 12:20

ER

Which one of the expressions x^2y and x^2/y is greater? (1) y > x (2)

655-705 (Hard) | Algebra, Inequalities

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

Sajjad1994

05 Sep 2019, 06:17

1

3

1,740

by: Sajjad1994

07 Sep 2019, 08:19

ER

What is the value of (x + 3y - 10z)/(a + 3b - 10c) ?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

06 Sep 2019, 10:51

4

1

1,263

by: shridhar786

07 Sep 2019, 02:10

ER

Is m^2n + mn^2 = 0 ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

14 Jul 2015, 00:55

23

18

5,022

07 Sep 2019, 01:56

ER

If x^2 – y^2 = 15, is x + y > x – y ? (1) x – y = 5 (2) x + y = 3

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

06 Sep 2019, 10:56

2

1,240