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

488,103

by: bb

29 Aug 2025, 13:27

ER

If xy ≠ 0, what is the value of 1/x + 1/y ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

11 Nov 2017, 09:42

3

4

5,289

12 Apr 2022, 12:12

ER

John, Aditi, and Karim are all stamp collectors. What is the ratio of

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

Bunuel

13 Apr 2022, 02:00

1

1,212

by: thkkrpratik

13 Apr 2022, 02:29

ER

What is the value of m - n/m^2 - n^2 = (1) m^2 n^2 = 40 (2) m + n =

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

13 Apr 2022, 06:00

1

978

by: thkkrpratik

13 Apr 2022, 06:11

ER

Of the 500 temperature records, 76% are less than or equal to 153 degr

555-605 (Medium) | Statistics and Sets Problems

555-605 (Medium) | Statistics and Sets Problems hide tags

Bunuel

30 Mar 2022, 04:29

1

1,427

13 Apr 2022, 08:06

ER

What percent of x is 3/4? (1) x = 0.5y (2) y = 10

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Bunuel

30 Mar 2022, 04:00

4

1

1,545

13 Apr 2022, 08:14

ER

How many thousands of gallons of water does a reservoir have?

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

Bunuel

30 Mar 2022, 02:30

4

2

2,271

13 Apr 2022, 09:10

ER

Is x > y ? (1) x^2 > y^2 (2) xy < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

13 Apr 2022, 05:00

1

842

by: siglon

13 Apr 2022, 09:53

ER

If xy 0, is x < y ? (1) x^4 < y^4 (2) x^(-3) < x^(-3)

605-655 (Medium) | Exponents, Inequalities

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

Bunuel

13 Apr 2022, 04:30

3

1

1,201

by: siglon

13 Apr 2022, 11:35

ER

What is the value of y? (1) w x = 65 (2) x + z = 115

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

13 Apr 2022, 08:30

1

876

by: Gmt123

13 Apr 2022, 12:54

ER

What is the value of 3n - 4? (1) 6n – 10 = 30 (2) n/3 = 20/9

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

16 Oct 2019, 07:41

2

5,580

16 Apr 2022, 03:00

ER

Is 3 in set M? (1) 13 is in the set M. (2) If x is in the set, then x

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

15 Apr 2022, 11:16

1

1,189

by: yashikaaggarwal

16 Apr 2022, 04:16

ER

If the terms of a arithmetic sequence are 2, 4, 6, 8, 10, ..., xn, wha

555-605 (Medium) | Number Properties, Sequences

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

Bunuel

15 Apr 2022, 11:17

3

1

1,730

by: yashikaaggarwal

16 Apr 2022, 04:30

ER

Joseph had to type an article containing 10,000 words. How many minute

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

Bunuel

17 Mar 2017, 03:07

2

2,402

17 Apr 2022, 03:12

ER

Is ax = (7 + 5bx)/4 ? (1) x(4a - 5b) = 7 (2) a = 1

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

17 Jun 2018, 06:27

1

3

2,983

17 Apr 2022, 04:20

ER

A set of positive integers contains twice as many even integers as odd

805+ (Hard) | Multiples and Factors +2 tags

805+ (Hard) | Multiples and Factors, Number Properties, Probability hide tags

Bunuel

31 Aug 2015, 10:31

39

7

7,048

17 Apr 2022, 18:16

ER -1

Is x > 3? (1) |x + 3| + 1 > 4 (2) x^2 < 9

555-605 (Medium) | Absolute Values, Inequalities

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

GMATNinja

18 Apr 2022, 00:17

5

1

2,344

by: Archit3110

18 Apr 2022, 00:54

ER

If r = (x+y)/2 and s = (x-y)/2, what is the value of r + s?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

11 Nov 2017, 07:39

4

2

2,531

18 Apr 2022, 10:03

ER

In the figure below, AB and BC are parallel to the X-axis and Y-axis,

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

07 Nov 2018, 02:04

7

3

2,946

20 Apr 2022, 00:40

ER

The hexagon ABCDEF is inscribed in the circle with center O. What is

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

05 Nov 2017, 01:57

1

3

4,635

20 Apr 2022, 01:00

ER

What is the value of x^5?

505-555 (Easy) | Algebra, Inequalities

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

Bunuel

23 Nov 2017, 05:51

5

3

2,376

by: PranavChadha

20 Apr 2022, 01:32

ER

In corporation X, the finance division has an average annual salary of

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

20 Apr 2022, 03:00

1

1,089

by: PyjamaScientist

20 Apr 2022, 03:12

ER

The figure above shows line l intersecting line m. What is the value

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

20 Apr 2022, 04:30

2

1,386

by: Arup04

20 Apr 2022, 09:45

ER

What is the value of x? (1) |x+2| ≤ 4 (2) x^2 = 36

505-555 (Easy) | Absolute Values +2 tags

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

Bunuel

07 Nov 2017, 23:28

10

3

3,167

21 Apr 2022, 02:21

ER

If sequence S has 250 terms, what is the 243rd term of S ?

Sub 505 (Easy) | Sequences

Sub 505 (Easy) | Sequences hide tags

Bunuel

20 Nov 2017, 00:13

1

4

4,327

21 Apr 2022, 12:50

ER

a and b are positive integers. What is the value of b?

555-605 (Medium) | Multiples and Factors

555-605 (Medium) | Multiples and Factors hide tags

Bunuel

21 Apr 2022, 01:30

1

981

by: paulrahul

22 Apr 2022, 13:36

ER

What is 2x ? (1) |2x – 2| + |2x + 2| = 4 (2) |3x – 1| + |3x + 1| = 6

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

Bunuel

12 Jul 2019, 01:11

7

3

2,894

23 Apr 2022, 05:58

ER

Is y^2 = 0?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

11 Nov 2017, 09:34

1

2

3,040

23 Apr 2022, 09:46

ER

Is x equal to –1? (1) |3x – 2| + |3x + 2| = 6 (2) |x – 1| + |3x + 2| =

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

Bunuel

14 Jul 2019, 23:27

13

5

2,330

by: Zyanpandit25

23 Apr 2022, 21:53

ER

If Dr. Jones had started practicing medicine 12 years later than he

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

05 Apr 2017, 03:23

5

2

3,059

24 Apr 2022, 04:49

ER

If the average (arithmetic mean) of three positive integers is 35, how

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

20 Apr 2022, 09:00

4

3

2,021

by: WizakoBaskar

24 Apr 2022, 22:42

ER

If x is a positive number is x^(1/2) an integer?

555-605 (Medium) | Algebra +3 tags

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

Bunuel

24 Apr 2022, 14:00

1

1,332

by: thkkrpratik

24 Apr 2022, 23:35

A solid rectangular block is made up of iron. If the iron weighs 25 gr

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

ktzsikka

05 Feb 2022, 05:56

9

2

2,473

by: vaibhav1221

25 Apr 2022, 00:40

ER

When 15n where n is a positive integer, is divided by 6, the remainder

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

12 Nov 2017, 23:40

1

4

4,247

25 Apr 2022, 00:43

ER

What is the remainder when the sum of the positive integers x and y is

Sub 505 (Easy) | Remainders

Sub 505 (Easy) | Remainders hide tags

Bunuel

12 Nov 2017, 23:37

8

3

7,213

25 Apr 2022, 04:59

ER

Is 1/m < 1/n ? (1) m - n = 3 (2) 3n = m + 2

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

24 Jun 2017, 12:49

5

4

3,319

25 Apr 2022, 10:14

ER

If a positive odd integer n has 8 positive factors, how many distinct

705-805 (Hard) | Multiples and Factors, Number Properties

705-805 (Hard) | Multiples and Factors, Number Properties hide tags

Bunuel

28 Apr 2022, 02:16

6

1

4,458

by: Nidzo

28 Apr 2022, 03:21

ER

If, for the 199192 academic year, Bill and his parents shared the ent

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

20 Apr 2022, 06:00

1

1,277

by: vivek1810971

28 Apr 2022, 09:15

ER

Is xy a multiple of 48? (1) x is a multiple of 4 (2) y is a multiple

505-555 (Easy) | Multiples and Factors

505-555 (Easy) | Multiples and Factors hide tags

Bunuel

09 Aug 2019, 02:20

2

4

3,043

28 Apr 2022, 10:56

ER

Mimis corner grocery store sells only two kinds of ice cream: Brand X

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

24 Apr 2022, 08:00

1

1,160

by: Abhishekgmat87

28 Apr 2022, 22:40

ER

In the rectangular solid above, does AB = DE ?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

20 Apr 2022, 03:30

1

1,572

by: Lordsun2020

30 Apr 2022, 23:18

ER

If mn 0, what is the ratio of m to n^2?

555-605 (Medium) | Fractions and Ratios

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

Bunuel

20 Apr 2022, 02:30

2

1

1,754

01 May 2022, 01:26

ER

S = 0.abc, where a, b, and c are any decimal digits. Is S > 2/3? (1) a

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

27 Apr 2022, 08:00

1

1,139

01 May 2022, 07:32

ER

If a and b are integers, is a/b a terminate decimal?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

27 Apr 2022, 06:30

3

1

1,334

01 May 2022, 07:38

ER

If x is a positive integer, is x a prime number?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

27 Apr 2022, 05:30

2

1

1,271

01 May 2022, 07:41

ER

If x and y are positive integers, is x y divisible by 4?

555-605 (Medium) | Multiples and Factors

555-605 (Medium) | Multiples and Factors hide tags

Bunuel

27 Apr 2022, 06:00

1

1,454

01 May 2022, 07:43

ER

Is a 3-digit integer divisible by 3?

555-605 (Medium) | Multiples and Factors

555-605 (Medium) | Multiples and Factors hide tags

Bunuel

27 Apr 2022, 05:00

1

1,274

01 May 2022, 07:48

ER

If x is a positive number and x = 0.abc, is the tenths digit of the

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

27 Apr 2022, 07:00

2

1

1,251

by: Zazen89

03 May 2022, 00:18

ER

A man invests two equal sums of money in two banks, both under simple

555-605 (Medium) | Percent and Interest Problems

555-605 (Medium) | Percent and Interest Problems hide tags

Bunuel

10 Jul 2017, 02:40

8

4

3,210

by: Pranay18

03 May 2022, 03:19

ER

Integer n is greater than 20 and less than 80, is n odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

04 May 2022, 04:30

1

2

1,416

by: RamnathWizako

04 May 2022, 05:44

ER

If p, q, and r are non-negative integers such that the remainder when

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

24 May 2018, 06:42

5

2

2,148