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

488,300

by: bb

29 Aug 2025, 13:27

ER

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

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

06 Feb 2014, 01:37

6

26,154

28 Feb 2026, 09:12

ER

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

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

12 Dec 2019, 00:06

8

6

2,865

27 Feb 2026, 08:34

ER

If n + k = m, what is the value of k ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

13 Aug 2012, 07:10

30

6

26,340

26 Feb 2026, 13:08

ER

A certain store sells chairs individually or in sets of 6. The store

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

TomB

18 Apr 2012, 20:52

55

6

16,798

by: MartyMurray

26 Feb 2026, 10:34

ER

If Aaron, Lee, and Tony have a total of $36, how much money

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

18 Feb 2014, 03:41

15

6

13,848

25 Feb 2026, 16:17

ER

Paula and Sandy were among those people who sold raffle

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Walkabout

06 Dec 2012, 07:06

67

6

22,825

25 Feb 2026, 16:16

In 1999, Company X's gross profit was what percent of its

555-605 (Medium) | Percent and Interest Problems

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

sm176811

14 Apr 2006, 13:49

69

6

27,867

25 Feb 2026, 16:00

ER

Is c the median of a, b and c ? (1) b - c = a (2) c = a how

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

shrive555

19 Oct 2010, 10:11

16

6

10,663

25 Feb 2026, 04:48

ER

Judith and Quincy started with the same amount of money to invest at t

705-805 (Hard) | Percent and Interest Problems

705-805 (Hard) | Percent and Interest Problems hide tags

lalania1

01 Nov 2016, 05:26

37

6

10,452

by: Adit_

23 Feb 2026, 23:18

ER

If Q is an integer between 10 and 100, what is the value of

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

17 Jan 2014, 02:33

26

6

16,068

23 Feb 2026, 13:49

ER

Is the integer k divisible by 4 ? (1) 8k is divisible by 16. (2) 9k is

555-605 (Medium) | Multiples and Factors

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

r019h

06 Jun 2019, 05:42

127

6

39,756

23 Feb 2026, 13:09

ER

On a certain highway, 25 percent of the vehicles are trucks and 20 per

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

Bunuel

07 Nov 2019, 03:25

6

4,403

10 Feb 2026, 23:26

ER

When one new number is included in an existing set of 6 numbers

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

chetan86

12 Sep 2014, 07:24

26

6

9,917

10 Feb 2026, 10:51

ER

A certain zoo has 288 mammals, 25 percent of which are female. What pe

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

07 May 2015, 03:30

12

6

6,257

10 Feb 2026, 09:29

ER

Whenever Tom pays an amount of 2-digit integer in a cafeteria, he calc

705-805 (Hard) | Percent and Interest Problems, Word Problems

705-805 (Hard) | Percent and Interest Problems, Word Problems hide tags

dabaobao

30 Mar 2019, 12:02

18

6

4,365

by: egmat

10 Feb 2026, 03:00

ER

The events A, B, and C are independent. What is the probability that

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

goodyear2013

09 Feb 2026, 23:43

57

6

25,909

09 Feb 2026, 23:41

ER

In a single Epsilon trial, the probability of Outcome T is 1/4. Supp

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

06 Mar 2015, 07:24

44

6

14,075

09 Feb 2026, 22:41

ER

What is the percentage of alcohol in solution X?

655-705 (Hard) | Mixture Problems

655-705 (Hard) | Mixture Problems hide tags

ExpertsGlobal5

04 Feb 2026, 10:11

9

6

799

by: ExpertsGlobal5

07 Feb 2026, 18:30

ER

A sum of $270,000 from a certain estate was divided among four childre

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

17 Apr 2017, 01:24

2

6

2,992

07 Feb 2026, 05:50

From 2018 to 2019, Devin's investment stock increased by p%. From 2019

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Amity007

30 Jan 2026, 08:32

6

671

by: tryorcry

07 Feb 2026, 00:08

ER

Mr. Daniels deposits $10,000 in a savings certificate earning p percen

655-705 (Hard) | Percent and Interest Problems

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

Bunuel

10 Apr 2020, 05:28

20

6

9,659

03 Feb 2026, 03:09

ER

A and B work at digging a ditch alternately for a day each. If A can

805+ (Hard) | Work and Rate Problems

805+ (Hard) | Work and Rate Problems hide tags

nick1816

29 Apr 2019, 02:34

52

6

6,887

02 Feb 2026, 05:37

ER

Pete is arranging layer upon layer of lines of brick to build a wall.

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

mlinsky2828

26 Jan 2026, 20:57

8

6

936

by: MartyMurray

27 Jan 2026, 10:00

ER

Some of the books on a certain shelf are in English, and the rest of

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Gprabhumir

06 Mar 2024, 08:02

51

6

10,418

27 Jan 2026, 04:50

ER

If x^2 + y^2 = 100, what is the value of (x - y)^2 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

GMATNinja

17 Apr 2022, 23:07

14

6

7,685

25 Jan 2026, 22:49

ER

Is p + q = 0 ?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Asifpirlo

09 Aug 2013, 02:51

17

6

4,006

25 Jan 2026, 00:22

ER

Is integer x square of an integer? 1) Sum of all the factors of x is

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

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

GMATinsight

26 Feb 2019, 06:07

5

6

1,597

23 Jan 2026, 23:00

ER

A certain experiment has three possible outcomes. The outcomes are mut

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

23 Jan 2026, 15:46

43

6

8,124

by: BrenCraw

23 Jan 2026, 14:26

ER

If Rebeca drives to work at x mph she will be one minute late, but if

705-805 (Hard) | Algebra, Distance and Speed Problems

705-805 (Hard) | Algebra, Distance and Speed Problems hide tags

fskilnik

14 Feb 2019, 07:30

7

6

2,195

23 Jan 2026, 02:34

ER

For a positive integer n, what is the remainder when n(n+1) is divided

555-605 (Medium) | Multiples and Factors

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

MathRevolution

03 Oct 2016, 00:50

12

6

6,941

20 Jan 2026, 21:42

ER

Each of three consecutive positive integers is less than 100. Their su

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

MathRevolution

18 Apr 2018, 04:54

7

6

3,313

19 Jan 2026, 02:35

ER

At a certain school with 200 students, all children must

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

pgmat

05 Jul 2012, 16:15

36

6

14,002

18 Jan 2026, 07:02

If x is a decimal, What is the hundredths digit of x?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Abhi077

03 Oct 2018, 02:56

2

6

2,206

18 Jan 2026, 00:22

ER

Every item in an apparel shop has a tag that is either blue, green or

655-705 (Hard) | Percent and Interest Problems, Word Problems

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

itzmyzone911

25 Apr 2015, 05:06

12

6

4,260

17 Jan 2026, 22:35

ER

Point K = (A,0), Point G = (2A + 4, sqrt2A+ 9). Is the dista

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

sambam

29 Oct 2014, 08:37

33

6

18,117

17 Jan 2026, 15:47

ER

a family has only one son. The father says "After x

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

prince00113

27 Jan 2018, 14:06

9

6

2,130

14 Jan 2026, 23:19

ER

If the average (arithmetic mean) price of apples, bananas and oranges

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

Bunuel

25 Jan 2024, 02:30

3

6

2,088

by: ADisHere

14 Jan 2026, 13:02

ER

A particular gymnastics tournament awards a gold, a silver, and a bron

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

27 Apr 2015, 04:33

22

6

5,334

by: tryorcry

14 Jan 2026, 00:39

ER

In the addition problem above, each of the symbols *, # and represen

555-605 (Medium) | Functions and Custom Characters

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

heylookitskarl

14 Jun 2015, 14:11

4

6

7,194

13 Jan 2026, 07:53

ER

A certain store sells only records and CDs. All CDs cost $7.82, includ

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Nanobotstv

19 Oct 2016, 21:29

23

6

7,322

09 Jan 2026, 10:16

ER

If x is an integer, what is the value of x?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

banksy

24 Feb 2011, 13:47

49

6

16,183

08 Jan 2026, 08:57

ER

Two shopkeepers, Bruce and Wayne, sold the same toy at different price

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

13 May 2020, 08:54

8

6

3,112

by: msignatius

08 Jan 2026, 00:35

ER

Do at least 20 percent of the people in country X who are over the age

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

22 Jun 2022, 07:00

4

6

2,865

05 Jan 2026, 11:58

ER

Alberto invested a total of $50,000 in 2 new funds-a stock fund and

705-805 (Hard) | Percent and Interest Problems

705-805 (Hard) | Percent and Interest Problems hide tags

guddo

24 Jan 2024, 02:21

53

6

12,810

05 Jan 2026, 06:24

ER

The cost to charter a certain airplane is x dollars. If the 25 members

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

29 Jun 2022, 01:16

31

6

10,667

04 Jan 2026, 22:47

ER

If $ represents a digit in the 7-digit number 3,62$,215, what is the

555-605 (Medium) | Fractions and Ratios, Word Problems

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

Bunuel

11 Dec 2014, 07:08

50

6

14,750

04 Jan 2026, 22:40

ER

Is X divisible by 3^k?

655-705 (Hard) | Exponents +2 tags

655-705 (Hard) | Exponents, Multiples and Factors, Number Properties hide tags

PrepTap

07 May 2015, 04:16

18

6

3,178

04 Jan 2026, 03:51

ER

Is a^3 + b^5 > c^4?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

29 Apr 2016, 04:02

6

2,636

03 Jan 2026, 04:59

ER

The petrol tank of a car started to leak. Did the tank get empty in mo

705-805 (Hard) | Work and Rate Problems

705-805 (Hard) | Work and Rate Problems hide tags

siddharthkapoor

02 Nov 2020, 05:04

14

6

3,939

02 Jan 2026, 05:34

ER

Economists work with supply and demand curves that show the price P

655-705 (Hard) | Coordinate Plane, Word Problems

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

Fish181

07 Apr 2024, 11:03

62

6

12,403