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

487,876

by: bb

29 Aug 2025, 13:27

ER

What is the value of x - z? (1) The arithmetic average of x and y is

505-555 (Easy) | Algebra, Statistics and Sets Problems

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

Bunuel

13 Apr 2018, 01:15

2

2,400

by: BrentGMATPrepNow

25 Mar 2020, 06:31

ER

What is the value of x – y ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

macjas

27 May 2012, 09:11

2

5,864

29 Mar 2017, 05:52

ER

What is the value of x – y ? (1) x = y + 3 (2) x^2 − 2xy + y^2 = 9

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

19 Nov 2018, 00:20

1

5

1,552

by: KSBGC

19 Nov 2018, 04:35

ER

What is the value of x – y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

28 May 2017, 02:44

2

5

2,596

by: utkarshthapak

29 May 2017, 03:54

ER

What is the value of x – y? (1) x + y = 3y – x (2) x + y = x^3 + y^3

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

11 Jul 2019, 00:32

3

1,548

by: Palladin

11 Jul 2019, 05:11

ER

What is the value of x – y? (1) x + 2y = 6 (2) x = y

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

05 Nov 2017, 01:53

2

2,493

by: Adityagmatclub

06 Nov 2017, 09:53

ER

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cssk

05 Jan 2014, 10:35

3

2,797

by: cssk

05 Jan 2014, 10:55

ER

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

vikasp99

02 Mar 2017, 23:04

4

1,902

by: KrishnakumarKA1

04 Mar 2017, 05:38

ER

What is the value of X ?

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nkme2007

26 Jul 2020, 10:39

2

895

by: IanStewart

27 Jul 2020, 08:07

ER

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

hb

15 Jul 2013, 09:30

2

4

4,857

20 Jan 2021, 10:44

ER

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Carcass

29 Sep 2022, 02:26

3

1,462

by: Singhalatul87

09 Oct 2022, 10:57

ER

605-655 (Medium) | Exponents

605-655 (Medium) | Exponents hide tags

fskilnik

06 Feb 2019, 08:17

3

4

1,617

07 Jun 2023, 09:35

ER

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

30 Dec 2020, 10:11

3

2

1,799

08 Jul 2023, 13:27

ER

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

wizard

01 Mar 2012, 00:31

26

10

11,451

08 Jan 2024, 16:51

ER

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

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

07 Jan 2014, 05:19

16

4

13,383

by: totaltestprepNick

26 Feb 2026, 13:01

ER

What is the value of x ? (1) (|x| - 1)(x - 2) = 0 (2) -1 ≤ x ≤ 1

505-555 (Easy) | Absolute Values, Algebra

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

Bunuel

07 Nov 2017, 23:50

5

6

5,001

20 Apr 2022, 10:19

ER

What is the value of x ? (1) |x| = 7 (2) When x is divided by a negat

Sub 505 (Easy) | Absolute Values, Number Properties

Sub 505 (Easy) | Absolute Values, Number Properties hide tags

Bunuel

30 Oct 2019, 22:12

2

2,175

by: Archit3110

31 Oct 2019, 01:36

ER

What is the value of x ? (1) √(x^2) = 19 (2) √(19^2) = x

555-605 (Medium) | Algebra, Roots

555-605 (Medium) | Algebra, Roots hide tags

Bunuel

12 Feb 2021, 01:15

4

2,216

15 Feb 2021, 01:30

ER

What is the value of x ? (1) √(x^2) = 19 (2) √(19^2) = x

555-605 (Medium) | Algebra, Roots

555-605 (Medium) | Algebra, Roots hide tags

Bunuel

08 Apr 2021, 10:00

7

2

2,416

15 Apr 2021, 21:00

ER

What is the value of x ? (1) 2x^2 + 18 = −12x (2) x < 0

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

19 Feb 2021, 10:04

1

2

1,916

05 Mar 2021, 06:15

ER

What is the value of x ? (1) 4^(x + 1) + 4^x = 320 (2) x^2 = 9

Sub 505 (Easy) | Algebra, Exponents

Sub 505 (Easy) | Algebra, Exponents hide tags

gmatt1476

21 Sep 2019, 16:49

36

4

12,004

25 Sep 2025, 20:32

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

1,045

by: Archit3110

10 Sep 2019, 02:23

ER

What is the value of x ? (1) x ≤ 8 (2) 8 ≤ x

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

GMATBusters

01 Nov 2018, 22:32

1

4

3,759

02 Feb 2023, 03:31

ER

What is the value of x ? (1) x^2 - y^2 = 27 (2) x = 2y

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

01 Jan 2021, 08:15

3

1

1,048

by: chetan2u

01 Jan 2021, 21:05

ER

What is the value of x ? (1) x^2 − 9 = 16 (2) 3x( x − 5) = 0

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

30 Oct 2019, 01:34

2

2,811

by: GMATinsight

21 Jan 2020, 05:07

ER

What is the value of x ? (1) x^3 = 6x − x^2 (2) 14x = x^3 + 5x^2

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

26 Nov 2017, 23:39

4

5

3,187

11 Apr 2025, 06:00

ER

What is the value of x ? (1) x^3+2x^2=3x (2) x^2–2x–15=0

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

sm1510

19 May 2021, 06:46

3

2

3,304

by: CrackverbalGMAT

14 Jun 2021, 23:47

ER

What is the value of x ? (1) y - x = y - 6 (2) x + 2y = 10

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

04 Jul 2018, 00:17

6

5

12,859

27 Jun 2023, 19:43

ER

What is the value of x ? (1) (x 1)(x 2.5) = 1 (2) |x 5| = 2

655-705 (Hard) | Absolute Values, Algebra

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

Bunuel

01 Nov 2023, 01:30

2

1

1,653

by: chetan2u

01 Nov 2023, 09:42

ER

What is the value of x ? (1) |x 10| = 5 (2) |x 5 | = 0

Sub 505 (Easy) | Absolute Values

Sub 505 (Easy) | Absolute Values hide tags

Bunuel

17 Feb 2023, 02:30

1

1,229

by: $!vakumar.m

17 Feb 2023, 07:42

ER

What is the value of x ? (1) |x 6| = 3 (2) |x| = 3

Sub 505 (Easy) | Absolute Values

Sub 505 (Easy) | Absolute Values hide tags

Bunuel

14 Sep 2021, 01:30

11

8

3,566

by: BrushMyQuant

07 Oct 2022, 11:01

ER

What is the value of x ? (1) 1.1x = -1.2x (2) 1.1x^2 = -1.2x^2

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

17 May 2023, 06:30

1

893

by: chetan2u

20 May 2023, 11:40

ER

What is the value of x ? (1) 12x + 4y = 4(21 + y) (2) y = 12

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

23 Mar 2022, 03:00

1

1,306

by: BrentGMATPrepNow

23 Mar 2022, 08:10

ER

What is the value of x ? (1) 13x > 12x (2) x^2 = 9

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

13 Apr 2022, 03:00

3

2,231

06 Feb 2024, 02:23

ER

What is the value of x ? (1) 2x -3y = -8 (2) 16 + 4x = 6y

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

09 Mar 2022, 05:30

3

2

1,901

by: BrentGMATPrepNow

09 Mar 2022, 07:04

ER

What is the value of x ? (1) 2x + 1 = 10 (2) (2x + 1)^2 = 10

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

09 Feb 2022, 11:00

2

1,075

by: Charli08

13 Feb 2022, 09:41

ER

What is the value of x ? (1) 3x = 30 (2) x + y = 40

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

15 Oct 2022, 09:00

2

2,605

13 Nov 2025, 21:57

ER

What is the value of x ? (1) 4x^2 4x = -1 (2) 2x^2 + 9x = 5

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

11 May 2022, 08:30

2

1

1,120

by: WheatyPie

11 May 2022, 10:25

ER

What is the value of x ? (1) 5x + 5y = 25 (2) 3(x + y) = -3(y - x)

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

15 Feb 2023, 04:54

1

2

2,127

by: yannichc

29 Mar 2023, 02:20

ER

What is the value of x ? (1) 5x^3 = 125x (2) x^2 25

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

11 Feb 2023, 02:25

1

1,166

by: Siddharthb10

12 Feb 2023, 05:41

ER

What is the value of x ? (1) 6x - 9y = 24 (2) 1.5y = x - 4

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

15 Feb 2023, 04:51

6

5

2,805

17 Jun 2024, 06:59

ER

What is the value of x ? (1) a^(2x) = b^(x+6) (2) ab = 1

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

Bunuel

19 May 2021, 08:30

9

8

1,914

by: rajivcusat2003

06 May 2023, 12:41

ER

What is the value of x ? (1) The variable x is an integer.

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

15 Sep 2023, 01:30

2

1

1,086

by: nasgmatbag

15 Sep 2023, 06:52

ER

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

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

15 Feb 2023, 04:57

2

1,600

by: gmatophobia

16 Feb 2023, 11:05

ER

What is the value of x ? (1) x 3 = 10/x (2) x > 0

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

20 May 2022, 01:30

1

876

by: zhanbo

20 May 2022, 02:09

ER

What is the value of x ? (1) x is the sum of two distinct prime number

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

05 Mar 2019, 05:17

5

4

2,400

25 Oct 2021, 14:49

ER

What is the value of x ? (1) x^(4x) = 1 (2) x^(-x) = -1

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Bunuel

25 Sep 2023, 05:15

1

894

by: IshanSaini

25 Sep 2023, 11:51

ER

What is the value of x ? (1) x^2 - 1 = x + 1 (2) x + 3 is a prime

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

28 Jun 2023, 02:57

6

3

1,543