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

487,922

by: bb

29 Aug 2025, 13:27

ER

If n is a positive integer, is n^2 - 1 divisible by 24?

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

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

kunalbh19

25 May 2012, 02:00

214

14

49,524

by: KarishmaB

18 Jan 2025, 01:43

ER

In isosceles triangle RST what is the measure of angle R?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

gmatgg

08 Mar 2010, 22:46

214

15

106,344

23 Oct 2024, 03:48

ER

In the figure above,line segment OP has slope 1/2 and line segment PQ

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

AbdurRakib

30 Jun 2016, 15:11

214

15

35,847

07 Sep 2024, 05:02

ER

If the average (arithmetic mean) of six numbers is 75, how

Sub 505 (Easy) | Statistics and Sets Problems

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

GMATD11

21 Feb 2011, 09:40

213

10

53,405

04 Mar 2026, 10:53

ER

Each of the students in a certain class received a single grade of P

505-555 (Easy) | Percent and Interest Problems

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

LM

03 Jun 2007, 03:08

213

19

66,055

03 Mar 2026, 13:15

ER

At what speed was a train traveling on a trip when it had

505-555 (Easy) | Distance and Speed Problems

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

Walkabout

21 Jul 2013, 11:32

213

15

54,810

02 Mar 2026, 08:23

ER

If m > 0 and n > 0, is (m + x)/(n + x) > m/n?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

LM

03 Apr 2019, 21:35

213

16

32,636

21 Apr 2025, 20:39

ER

If m, r, x and y are positive, the ratio of m to r equal to the ratio

555-605 (Medium) | Fractions and Ratios

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

LM

27 Apr 2010, 09:52

213

18

52,279

15 Nov 2024, 10:05

ER

If 500 is the multiple of 100 that is closest to x and 400 is the mult

655-705 (Hard) | Fractions and Ratios, Multiples and Factors

655-705 (Hard) | Fractions and Ratios, Multiples and Factors hide tags

gmatbull

19 Aug 2010, 02:57

212

15

39,739

28 Oct 2025, 23:09

ER

Website W receives orders for its products every day. What is the Stan

505-555 (Easy) | Statistics and Sets Problems

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

imhimanshu

08 Oct 2013, 09:01

212

16

52,041

25 Jun 2025, 04:23

ER

A country's per capita national debt is its national debt divided by

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

1, 2

gmatt1476

21 Sep 2019, 15:12

212

20

24,271

by: Pablopikachu

18 Jun 2025, 01:44

ER

What is the value of |x + 5| + |x - 3| ? (1) x^2 < 25 (2) x^2 > 9

555-605 (Medium) | Absolute Values, Inequalities

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

lpetroski

03 Apr 2016, 08:43

212

18

50,560

07 Jun 2025, 09:22

ER

The ratio of the number of women to the number of men to the

555-605 (Medium) | Fractions and Ratios

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

mymba99

24 Sep 2013, 07:40

212

10

128,089

06 Dec 2024, 03:38

ER

Last year if Arturo spent a total of $12,000 on his mortgage

555-605 (Medium) | Percent and Interest Problems, Word Problems

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

Walkabout

07 Dec 2012, 07:54

211

13

38,500

25 Feb 2026, 15:11

ER

Did it take Pei more than 2 hours to walk a distance of 10 miles along

605-655 (Medium) | Distance and Speed Problems

605-655 (Medium) | Distance and Speed Problems hide tags

1, 2

neeraj.kaushal

08 May 2008, 20:28

211

20

48,257

27 Jan 2026, 05:34

ER

Is the sum of the prices of the 3 books that Shana bought less than $4

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

22 Jun 2018, 02:04

211

17

36,273

by: chetan2u

09 Nov 2025, 10:08

ER

Each of the 50 students participating in a workshop is either an under

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Sallyzodiac

03 May 2016, 08:04

210

14

39,835

07 Feb 2026, 04:30

ER

What is the average (arithmetic mean) annual salary of the 6 employees

605-655 (Medium) | Statistics and Sets Problems

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

1, 2

Bunuel

03 Aug 2018, 11:13

210

20

51,675

16 Jan 2026, 10:18

ER

Is xy < 6 (1) x < 3 and y < 2 (2) 1/2 < x < 2/3 and y^2 < 64

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

sacmanitin

21 Sep 2019, 17:08

209

19

37,947

01 Mar 2026, 14:16

ER

If the average (arithmetic mean) of four different numbers is 30, how

605-655 (Medium) | Statistics and Sets Problems

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

kook44

06 Jun 2019, 02:45

209

14

78,253

19 Aug 2025, 22:29

ER

At a two-day seminar, 90 percent of those registered attended the semi

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

TeHCM

17 Dec 2005, 23:41

209

9

56,073

29 May 2025, 00:20

ER

Is (7x)^1/2 an integer?

805+ (Hard) | Number Properties, Roots

805+ (Hard) | Number Properties, Roots hide tags

alex1233

05 Jun 2013, 03:49

209

16

22,985

06 Apr 2025, 04:50

ER

If a and b are positive integers, what is the units digit of

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

honchos

17 Jun 2014, 12:32

208

9

27,022

17 Jun 2025, 11:05

ER

Of all the attendees at a dinner party, 40% were women. If

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

mm007

20 Dec 2006, 14:03

208

14

33,251

17 Jun 2025, 00:14

ER

In the figure above, if x and y are each less than 90 and PS

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Orange08

05 Sep 2010, 12:50

208

11

53,916

29 Nov 2024, 01:22

ER

DS questions about standard deviation

605-655 (Medium) | Statistics and Sets Problems

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

1, 2, 3

Bunuel

27 Oct 2009, 16:36

208

52

88,592

24 Nov 2019, 02:45

ER

If x, y, and z are positive integers, where x > y and z = √x

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

enigma123

31 Jan 2012, 17:24

207

15

26,579

22 Dec 2025, 14:58

ER

Khalil drove 120 kilometers in a certain amount of time. What was his

705-805 (Hard) | Distance and Speed Problems

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

gmatt1476

21 Sep 2019, 16:02

207

9

23,889

03 Oct 2025, 00:24

ER

How much time did it take a certain car to travel 400

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

1, 2

DSGB

06 Sep 2010, 12:09

206

24

49,335

02 Mar 2026, 08:24

ER

How many different 5-person teams can be formed from a group

Sub 505 (Easy) | Combinations

Sub 505 (Easy) | Combinations hide tags

gmatJP

22 Jun 2010, 19:14

205

13

49,591

20 Apr 2026, 22:40

ER

If x and y are positive integers is y odd?

805+ (Hard) | Algebra, Number Properties

805+ (Hard) | Algebra, Number Properties hide tags

devinawilliam83

04 Mar 2012, 23:42

205

10

29,069

11 Jul 2025, 09:00

ER

What fraction of this year's graduating students at a certain college

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

sunland

17 Jun 2019, 05:54

204

19

38,368

03 Mar 2026, 13:17

ER

Is rst = 1 ? (1) rs = 1 (2) st = 1

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

1, 2

loki

02 Feb 2022, 00:53

204

28

37,509

28 Feb 2026, 09:16

ER

Can the positive integer n be written as the sum of two different posi

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

12 Feb 2014, 02:14

204

18

35,956

02 Nov 2025, 03:09

ER

If x, y, and z are integers greater than 1, and

805+ (Hard) | Exponents, Number Properties

805+ (Hard) | Exponents, Number Properties hide tags

jeeteshsingh

08 Oct 2012, 04:18

204

5

51,140

by: SatvikVedala

31 Aug 2024, 00:12

ER

If n is a prime number greater than 2, is 1/x > 1?

805+ (Hard) | Exponents, Inequalities

805+ (Hard) | Exponents, Inequalities hide tags

emmak

25 Nov 2018, 10:25

204

15

19,452

11 Nov 2023, 09:50

ER

Last year, in a certain housing development, the average (arithmetic m

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

1, 2

Bunuel

20 Jun 2018, 00:15

203

20

34,516

29 Dec 2025, 08:32

ER

Is |2a − 3b| < |a − b| + |a − 2b|? (1) b = 3 (2) a < b

805+ (Hard) | Absolute Values, Inequalities

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

1, 2

galiya

01 Aug 2012, 07:20

203

20

27,280

08 Dec 2025, 23:20

ER

Each entry in the multiplication table above is an integer that is eit

705-805 (Hard) | Arithmetic

705-805 (Hard) | Arithmetic hide tags

gmatt1476

21 Sep 2019, 19:09

202

9

20,582

19 Apr 2026, 06:47

ER

What is the remainder when the positive integer n is divided by the po

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

JoyLibs

20 Oct 2019, 01:30

202

7

45,064

by: agrasan

16 Jul 2025, 22:57

ER

If x and y are positive numbers, is (x + 1)/(y + 1) > x/y

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

26 Jun 2017, 02:33

202

18

45,004

16 Apr 2025, 06:36

ER

Janson's salary and Karen's salary were each p percent

555-605 (Medium) | Percent and Interest Problems

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

tarek99

11 Dec 2007, 15:22

201

16

43,122

08 Dec 2025, 18:46

ER

If r + s > 2t, is r > t ? (1) t > s (2) r > s

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

kairoshan

26 Mar 2012, 00:36

201

18

36,583

20 Nov 2025, 04:12

ER

If Car X followed Car Y across a certain bridge that is 1/2

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

1, 2

Bunuel

13 Aug 2012, 07:09

201

25

41,949

27 Sep 2025, 00:12

ER

Is zp negative? (1) pz^4 < 0 (2) p + z^4 = 14

555-605 (Medium) | Exponents +2 tags

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

Bunuel

25 Oct 2015, 09:13

201

12

52,105

07 Sep 2025, 12:37

ER

By what percent was the price of a certain television set discounted

505-555 (Easy) | Percent and Interest Problems

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

Bunuel

29 Nov 2010, 01:23

201

18

50,864

by: Komal324

25 Mar 2025, 11:55

ER

Store S sold a total of 90 copies of a certain book during

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

1, 2

Hussain15

05 Oct 2025, 01:46

200

20

40,197

05 Oct 2025, 01:46

ER

The positive integers x, y, and z are such that x is a factor of y and

605-655 (Medium) | Multiples and Factors, Number Properties

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

1, 2

amitgovin

15 Jul 2019, 04:59

200

24

60,806

07 Jul 2025, 00:29

ER

If p is the perimeter of rectangle Q, what is the value of p?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

16 Jul 2012, 04:56

199

16

50,185

02 Jan 2025, 09:56

ER

If a and b are positive integers, what is the remainder when ab is

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

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

kingflo

18 Nov 2017, 02:07

199

13

33,343