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

488,797

by: bb

29 Aug 2025, 13:27

ER

If K + N + M + L = 74, what is the value of K ? (1) M − K + N + L = 6

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

19 May 2021, 04:00

2

1,130

by: Nidzo

19 May 2021, 06:08

ER

If sqrt{x^2}=x, what is the value of x?

605-655 (Medium) | Absolute Values, Algebra

605-655 (Medium) | Absolute Values, Algebra hide tags

firas92

16 Feb 2020, 08:06

10

2

2,385

16 May 2021, 02:45

ER

Is x = 3? (1) x^2 + 17x - 60 = 0 (2) x - y^2 > 0

605-655 (Medium) | Algebra, Inequalities

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

Bunuel

09 Mar 2016, 13:21

3

2,237

by: WannaManaConsult

14 May 2021, 11:50

ER

In the coordinate plane above, ABCD and DEFG are squares, and points B

655-705 (Hard) | Algebra +2 tags

655-705 (Hard) | Algebra, Coordinate Plane, Geometry hide tags

AndrewN

10 May 2021, 15:12

5

2

2,436

by: WannaManaConsult

12 May 2021, 17:44

ER

What is the value of y? (1) 2.5z + 2y + 1.5x = 6 (2) y − 3x − 5z = 13

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

12 May 2021, 03:00

1

1,784

by: Helllo

12 May 2021, 03:16

ER

If x and y are real numbers and a^2x*a^2y = 81, what is the value of x

555-605 (Medium) | Algebra, Exponents

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

Bunuel

11 Feb 2019, 04:02

3

5

3,031

12 May 2021, 02:36

ER

What is the value of y^3 - t^3?

555-605 (Medium) | Algebra, Exponents

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

metallicafan

23 Nov 2011, 09:57

14

7

6,046

10 May 2021, 15:16

If ab cannot equal 0, what is the value of 2b/a?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

BostonTC2018

09 May 2021, 13:03

3

2,641

by: BostonTC2018

09 May 2021, 15:09

ER

What is the ratio of y to x ? (1) x/y = 2 (2) x − y = 2

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

07 May 2021, 19:00

1

907

by: MarmikUpadhyay

07 May 2021, 20:02

ER

What is the value of x? (1) x>0 (2) x^(1/2) = 9

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

06 May 2021, 20:00

1

3

1,076

by: chetan2u

06 May 2021, 22:29

ER

Is x/p(p^2 + q^2 + r^2) = xp + yq + zr ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

17 Feb 2020, 05:02

3

2

1,904

05 May 2021, 13:02

ER

What is the value of jk - mj? (1) k – m = 7 (2) j = 11

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

05 May 2021, 08:30

1

1,370

by: ParitoshRawat99

05 May 2021, 10:04

ER

What is the value of (x − y)(y − x + 1) ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

05 May 2021, 03:00

1

1,030

by: Shrey08

05 May 2021, 03:11

ER

What is the value of x − y ? (1) 3y − 39 = 3x (2) y = 13 + x

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

04 May 2021, 20:00

1

864

04 May 2021, 20:29

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

985

03 May 2021, 19:14

ER

Does x = 3? (1) (x - 3)(y - 1)=0 (2) (x - 3)^2 + (y - 1)^2 = 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

03 May 2021, 01:30

15

2

2,651

by: TarunKumar1234

03 May 2021, 10:51

ER

Is a^2 = a? (1) a^2 = 2a (2) a 2

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

30 Apr 2021, 01:30

5

7

2,280

03 May 2021, 01:15

ER

If y(y − 3)(y + 2)(y − 1) = 0, is y negative? (1) y^2 − 3y ≠ 0 (2) y^

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

17 Dec 2019, 01:59

4

3

3,817

29 Apr 2021, 08:51

ER

Is abc = 0? (1) a^2 + b^2 + c^2 = 0 (2) a + b + c = 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

TheUltimateWinner

02 Apr 2021, 11:16

1

3

1,769

27 Apr 2021, 00:28

ER

If x ≠ −1, what is the value of x + 3/x + 1 − 2x − 6 ? 1) (1/x + 1 −

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Russ19

24 Apr 2021, 02:23

2

1

1,073

by: chetan2u

24 Apr 2021, 02:39

ER

What is the value of p − q ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

17 Mar 2020, 01:35

7

8

5,332

22 Apr 2021, 17:00

ER

m = (1) 7m + 5n = 29 (2) m and n are positive integers.

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

06 Sep 2019, 10:56

4

2

2,018

by: JadAsmar

22 Apr 2021, 14:49

What is the value of x-z?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

TheUltimateWinner

18 Apr 2021, 09:47

1

1,023

by: ramlala

18 Apr 2021, 11:29

ER

If ab ≠ 0, is a^4 + 1/a^2 + a^{−2} = 1 + b^{−2}/b^{−2} + b^{−4}? 1) a

655-705 (Hard) | Algebra, Exponents

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

Russ19

18 Apr 2021, 01:34

3

2

1,472

18 Apr 2021, 02:34

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

2,445

15 Apr 2021, 21:00

ER

Is x equal to 13 ? (1) x > 0 (2) x^2 = 169

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

15 Apr 2021, 12:15

3

6

1,566

15 Apr 2021, 17:57

ER

If k, n, and m are positive integers, is kn even?

555-605 (Medium) | Algebra, Number Properties

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

Bunuel

21 Aug 2019, 03:16

6

7

2,715

14 Apr 2021, 14:57

ER

What is the value of x^3y^2 + 2098/(xy^2) + 1/x -x^y, given x, and y

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Bunuel

28 Jan 2021, 01:15

13

4

2,065

by: rsrighosh

14 Apr 2021, 07:12

ER

If c is an integer and c > 0, is c a root of the equation

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

LM

24 Oct 2012, 05:29

6

11

4,816

by: MBAB123

13 Apr 2021, 20:40

ER

What is the value of x^2 + 1/x^2 ? (1) x + 1/x = 2 (2) x^2 - 1 = 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

03 Mar 2021, 15:00

3

2

13,046

12 Apr 2021, 10:00

ER

If 2x = 2y – 3z, what is the value of z? (1) y = x + 2 (2) x = y – 2

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

03 Mar 2021, 14:37

2

3,222

12 Apr 2021, 01:45

ER

What is the value of m + n ? (1) mn = -8 (2) -2m = n

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

03 Mar 2021, 14:34

5

3

3,556

12 Apr 2021, 01:15

ER

What is the value of a + b? (1) a^2 + b^2= 9 – 2ab (2) a = 4 + b

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

10 Sep 2017, 04:43

2

2,631

10 Apr 2021, 12:29

ER

If x any y are positive integers,is x even? (1) x^2 + y^2=98 (2) x = y

605-655 (Medium) | Algebra, Number Properties

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

Bunuel

01 Apr 2020, 02:30

9

4

3,623

by: ramlala

09 Apr 2021, 12:55

ER

The equations ax + 2y = 6 and bx + cy = 9 have infinite solutions.

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

11 Jul 2017, 03:36

11

8

3,047

08 Apr 2021, 03:44

ER

If p and q are integers, what is the value of (p + q)?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

07 Apr 2021, 06:30

1

2,407

by: MarmikUpadhyay

07 Apr 2021, 07:20

ER

If xy is not equal to 0, what is the value of 25x^2/y^2?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

monirjewel

27 Sep 2017, 02:34

4

3

8,563

07 Apr 2021, 06:55

Given a, b, and c are positive, is a + b + c = 3 ?

555-605 (Medium) | Algebra, Number Properties

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

TheUltimateWinner

06 Apr 2021, 10:13

3

1,269

by: Sarthak94

06 Apr 2021, 11:50

ER

If 10x + 10y + 16x^2 + 25y^2 = 10 + Z, what is the value of x + y?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

18 Mar 2016, 00:13

15

4

6,483

05 Apr 2021, 15:45

ER

If 2b – a^2 = 18, what is the value of b?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

24 Oct 2019, 00:57

3

2

4,029

01 Apr 2021, 08:52

ER

Is a>0?

605-655 (Medium) | Absolute Values, Algebra

605-655 (Medium) | Absolute Values, Algebra hide tags

chetan2u

07 Jun 2018, 05:19

5

6

2,703

26 Mar 2021, 07:54

ER

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

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Russ19

12 Mar 2021, 08:31

9

2

1,191

12 Mar 2021, 10:29

ER

What is the value of x? 1) x^3=x 2) x^2=1

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

TheUltimateWinner

11 Mar 2021, 12:19

2

1,036

by: MarmikUpadhyay

12 Mar 2021, 00:58

ER

If a·b≠0, and (x+a)(x+b)=0, is x=a? (1) x−b=0 (2) a=−b

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

10 Mar 2021, 01:15

7

4

1,826

11 Mar 2021, 01:30

How much is 20 percent of a certain number a ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

vikasp99

04 Mar 2017, 00:29

3

2

9,489

08 Mar 2021, 21:29

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

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

TheUltimateWinner

08 Mar 2021, 10:18

1

946

by: hykhan

08 Mar 2021, 10:45

What is the value of x? x^2=1

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

TheUltimateWinner

02 Mar 2021, 11:07

2

1,146

by: mehdi262004

07 Mar 2021, 20:55

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

1,938

05 Mar 2021, 06:15

ER

If for integers a, b, c, and d, a + b + c + d = 4, does d = 1?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

19 Nov 2019, 02:04

3

4

2,469

03 Mar 2021, 09:44

ER

What is the value of xy ? (1) y – 1 = x (2) x^2 + x – 6 = 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

12 Sep 2017, 05:05

2

3

2,370