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

488,319

by: bb

29 Aug 2025, 13:27

ER

If n is an integer, is n - 1 even?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

06 Dec 2015, 12:09

1

8

7,216

26 May 2021, 09:46

ER

Is the standard deviation of salaries of teachers in school A greater

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

26 May 2021, 08:30

1

1,482

by: GMATWhizTeam

26 May 2021, 09:11

ER

Group X has 6 students, 3 boys who are each j years old, and 3 girls

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

26 May 2021, 02:00

1

1,400

26 May 2021, 03:59

ER

Did at least 15% of the boys and girls in Springfield suffer adverse

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

26 May 2021, 02:00

1

923

26 May 2021, 03:54

ER

In the figure above, EF is parallel to the y axis. If AB=CD=EF and BC=

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

26 May 2021, 03:00

2

1

1,724

by: GMATinsight

26 May 2021, 03:25

ER

For positive integers n and m, is m! < 3^n ? (1) n = m (2) n > 3

655-705 (Hard) | Exponents, Inequalities

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

Bunuel

26 May 2021, 02:00

3

2

2,279

by: lalaland1234545

26 May 2021, 03:00

ER

For all integer m, Φ(m) is defined by the equation Φ(m) = Φ(m − 1) + m

555-605 (Medium) | Functions and Custom Characters

555-605 (Medium) | Functions and Custom Characters hide tags

Bunuel

26 May 2021, 02:00

2

1

1,430

26 May 2021, 02:47

ER

If a + b = 8, b + c + d = 9, and c + d + e = 10, then what is the valu

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

26 May 2021, 02:00

1

1,027

26 May 2021, 02:42

ER

If a and b are integers, is a^2 − b^2 even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

26 May 2021, 02:00

2

1

1,473

26 May 2021, 02:18

ER

A certain store sells two models of cellular phones, M1 and M2, and of

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

19 May 2021, 08:00

3

2

2,712

by: RamseyGooner

25 May 2021, 14:03

ER

Robin drove from Townville to Villageton. Upon arriving in Villageton,

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

25 Mar 2015, 04:30

11

8

13,694

by: jppresa

25 May 2021, 09:42

ER

If m is not equal to k, is |x^2 - y^2| > 0?

705-805 (Hard) | Absolute Values +2 tags

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

TeamGMATIFY

13 Feb 2016, 11:12

9

5

7,880

25 May 2021, 00:48

ER

if a/b = 3/5then find the value of b? 1) a+b = 64 2) Unit digit ofa^b

505-555 (Easy) | Exponents +2 tags

505-555 (Easy) | Exponents, Fractions and Ratios, Number Properties hide tags

GMATinsight

21 May 2021, 06:54

2

3

1,768

24 May 2021, 17:41

ER

If x and y are both positive integers, how many different positive int

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Bunuel

23 May 2021, 12:39

1

1,434

24 May 2021, 17:37

ER

If x, y, and z are integers, with x < y< x, what is the average

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Bunuel

18 Nov 2014, 08:26

31

7

7,385

24 May 2021, 04:13

ER

If x, y and z are positive integers, is xyz divisible by 3?

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Bunuel

23 May 2021, 12:41

2

2,058

by: lalaland1234545

23 May 2021, 12:57

ER

A Watertank containing water started to leak.

505-555 (Easy) | Distance and Speed Problems

505-555 (Easy) | Distance and Speed Problems hide tags

GMATBusters

17 Oct 2019, 21:23

3

2

2,350

23 May 2021, 00:32

ER

X is 45.6% larger than Y. What is the value of Y?

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

19 May 2021, 08:00

1

1,874

22 May 2021, 13:10

ER

A circle is drawn inside a larger circle. If B and C are points on the

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

19 May 2021, 06:00

1

2

1,631

by: Vibhatu

22 May 2021, 10:12

ER

What is the value of x? (1) |x + 1| = 1 (2) |x − 1| = 1

505-555 (Easy) | Absolute Values

505-555 (Easy) | Absolute Values hide tags

Bunuel

16 May 2021, 23:00

3

4

1,746

22 May 2021, 06:15

ER

What is the value of y? (1) |x| ≤ y ≤ -|x| (2) |y| ≥ x ≥ -|y|

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

16 May 2021, 19:00

10

3

1,533

22 May 2021, 05:15

ER

If K is a multiple of 29, is K∙Y a multiple of 174? (1) Y is a multip

555-605 (Medium) | Multiples and Factors

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

Bunuel

13 May 2021, 21:00

3

1,723

by: Kinshook

22 May 2021, 04:55

ER

Set Q contains n non-zero numbers. Does set Q contain an even number

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

13 May 2021, 19:00

5

6

1,896

22 May 2021, 04:15

ER

A certain packing box contains books between 50 to 60. How many books

555-605 (Medium) | Remainders, Word Problems

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

Bunuel

19 May 2021, 02:30

4

1,716

22 May 2021, 02:30

ER

Is X percent of Y more than Z percent of W? (1) X percent of Z is one

655-705 (Hard) | Percent and Interest Problems

655-705 (Hard) | Percent and Interest Problems hide tags

Bunuel

19 May 2021, 02:00

3

1

2,851

22 May 2021, 02:15

Is the median of a certain set of positive integers containing k equal

555-605 (Medium) | Statistics and Sets Problems

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

Abhi077

04 Apr 2019, 08:58

3

1

1,448

by: Sherbeck

21 May 2021, 23:22

ER

A certain electronic circuit is produced in seven stages. The cumulati

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

19 May 2021, 07:30

3

1,171

by: LaveenaPanchal

20 May 2021, 23:56

ER

Are both x and y integers? (1) (√x)+(√y) is an integer. (2) x/y is a

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

19 May 2021, 04:30

4

2

1,342

by: ueh55406

20 May 2021, 22:29

ER

If pq < 5, is p < 1 ? (1) p < 5 (2) q > 5

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

19 May 2021, 09:00

3

2,382

by: ueh55406

20 May 2021, 22:02

ER

The triangle above has side DC of the square as its base. What is the

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

14 May 2017, 11:57

5

5,557

20 May 2021, 09:54

ER

Given that m, p and k are integers. Is m equals to p?

705-805 (Hard) | Exponents

705-805 (Hard) | Exponents hide tags

houston1980

16 May 2021, 11:22

5

3

1,475

by: cuddywifter

19 May 2021, 19:39

ER

Given k is a nonzero integer, is k > 0 ?

805+ (Hard) | Absolute Values, Inequalities

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

AkshdeepS

18 Sep 2016, 23:57

63

8

6,893

19 May 2021, 18:07

ER

What is the sum of the terms in a sequence of consecutive integers?

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

Bunuel

19 May 2021, 06:00

2

2,804

19 May 2021, 14:54

ER

If a is a negative integer, is |a|+|b| an even integer?

605-655 (Medium) | Absolute Values, Exponents

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

Bunuel

19 May 2021, 05:30

6

4

1,803

by: Scuven

19 May 2021, 14:49

ER

If m is a positive integer, what is the value of 3^m ?

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Bunuel

19 May 2021, 03:00

1

1,229

19 May 2021, 13:51

ER

A car fleet holds two car models, X and Y. Of the cars in the car flee

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

19 May 2021, 08:30

1

1,547

by: Sunil2424

19 May 2021, 10:36

ER

A certain question bank has 64 GMAT questions. Of these, 22 deal with

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

19 May 2021, 07:30

1

1,192

by: Kinshook

19 May 2021, 08:25

ER

A jar contains 40 marbles—15 orange and 25 beige. If 18 of the marbles

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

19 May 2021, 05:30

1

1,356

19 May 2021, 07:09

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

1,121

19 May 2021, 06:08

ER

a, b, c, d, and e are five different positive integers. Which of the

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

Bunuel

19 May 2021, 05:00

1

3,320

19 May 2021, 05:59

ER

Is the area of a certain circle greater than the area of a certain

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

asterias

12 Feb 2020, 20:43

3

2

3,779

19 May 2021, 04:33

ER

If m > 1.5k, is m > 70 ? (1) k > 70 (2) m − k = 40

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

19 May 2021, 03:30

2

1,458

19 May 2021, 04:26

ER

If n is an integer, is n(n^3 + n) − n an odd integer?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

19 May 2021, 02:30

1

1,100

19 May 2021, 04:22

ER

There are twenty students in a class, all of whom scored between 0 and

655-705 (Hard) | Statistics and Sets Problems

655-705 (Hard) | Statistics and Sets Problems hide tags

Bunuel

01 Jul 2018, 20:56

7

5

7,963

18 May 2021, 10:38

If the sequence S has 150 terms, what is the 121st term of S?

Sub 505 (Easy) | Sequences

Sub 505 (Easy) | Sequences hide tags

cfc198

26 Dec 2018, 11:50

2

1

2,033

by: Sherbeck

17 May 2021, 22:10

ER

Is the tens digit of a three-digit positive integer p divisible by 3?

605-655 (Medium) | Multiples and Factors

605-655 (Medium) | Multiples and Factors hide tags

Bunuel

14 May 2021, 01:30

4

2,105

17 May 2021, 01:15

ER

The largest possible cylinder is enclosed in a cube. What is the large

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

17 Sep 2018, 22:16

8

7

2,656

16 May 2021, 22:02

ER

What is the value of x? (1) |x + 5| = |x + 3| (2) |x + 3| = 1

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

Bunuel

05 May 2021, 05:30

2

5

2,435

16 May 2021, 11:26

ER

Is a>b? (1) a^2 > b^2 (2) ab > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

12 May 2021, 23:00

1

3

1,194

16 May 2021, 09:00

ER

What is the value of the greatest common divisor of integers a and b?

555-605 (Medium) | Multiples and Factors

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

Bunuel

11 May 2021, 01:30

5

1,873