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# Data Sufficiency (DS)

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299
ER
 150 Hardest and easiest questions for DS   Tags:
Bunuel

9

40834

24 Aug 2017, 20:58

659
ER
 DS Question Directory by Topic and Difficulty   Tags: Coordinate Geometry
bb

0

190052

07 Mar 2012, 07:58

Topics

41
ER
 If integers x, y and z are greater than 1 what is the value   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Algebra,  Source: GMAT Prep
arjtryarjtry

24

20028

06 May 2017, 13:25

40
ER
 If k is a positive integer, then 20k is divisible by how man
hellzangl

5

10335

25 Jul 2017, 14:41

40
ER
 For a circle with center point P cord XY is the perpendicular bisector   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Geometry
enigma123

26

11712

28 Nov 2017, 19:32

40
ER
 If a and b are positive integers, is a/b < 9/11 ?
Bunuel

16

6791

24 Nov 2017, 08:20

40
ER
 The function f is defined for all positive integers n > 4 as
Rock750

9

7648

03 Jul 2017, 07:31

40
ER
 Robots X, Y, and Z each assemble components at their respect
Bunuel

12

8670

07 Dec 2017, 22:41

40
ER
 If the average (arithmetic mean) of four different numbers is
kook44

11

18634

06 Oct 2017, 08:12

40
ER
 What is the probability that rs=r?
Rs1991

16

4099

02 Feb 2017, 10:53

40
ER
 Is x-y+1 greater than x+y-1 ?
Michmax3

19

14609

25 Oct 2017, 21:31

40
ER
 If a, b, and c are integers such that 0 < a < b < c < 10, is
emmak

13

4459

27 Dec 2016, 03:18

40
ER
 Math Revolution and GMAT Club Contest! If a, b, and c are the tenths   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Fractions/Ratios/Decimals,  Source: Math Revolution
Bunuel

34

2628

15 Dec 2015, 06:27

40
ER
 The number of antelope in a certain herd increases every   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Word Problems,  Source: GMAT Paper Tests
jananijayakumar

28

11578

02 Aug 2017, 16:01

40
ER
 A set of nonnegative integers consists of {x, x + 7, 2x, y, y + 5}.

11

6519

29 Mar 2017, 04:11

40
ER
 Of the students who eat in a certain cafeteria, each student
gregspirited

8

18550

03 Nov 2013, 13:08

40
ER
 In the figure above, what is the value of x + y ?   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Geometry,  Source: Official Guide

27

14866

27 Sep 2017, 09:25

40
ER
 If a > b > c > 0, is c < 3 ?
yezz

12

4940

30 Mar 2017, 11:22

40
ER
 What was the percent increase in population of City K from
jimmyjamesdonkey

10

24392

18 Jul 2017, 11:10

40
ER
 If p is the perimeter of rectangle Q, what is the value of p   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Geometry,  Source: Official Guide
Bunuel

31

11697

12 Mar 2017, 21:13

40
ER
 If Q is a set of consecutive integers, what is the standard
CharuKapoor

11

3613

10 Sep 2017, 22:17

40
ER
 If z is a three-digit positive integer, what is the value of
arjtryarjtry

5

4190

30 Sep 2017, 12:34

40
ER
 If m is a positive integer, then m^3 has how many digits?
Runirish

6

8025

09 Dec 2017, 16:15

40
ER
 If x is an integer, is 9^x + 9^{-x} = b ?   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Algebra,  Exponents/Powers,  Source: Official Guide
Bunuel

21

13018

16 Jul 2017, 13:46

39
ER
 Is M<0? (1) -M = |-M| (2) M^2 = 9
seekmba

23

8014

29 Sep 2017, 03:43

39
ER
 If a and b are integers, and |a| > |b|, is a |b| < a   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Inequalities,  Source: Manhattan GMAT
thailandvc

27

15886

19 Jun 2017, 09:08

39
ER
 Is the measure of one of the interior angles of quadrilatera
kt00381n

14

7301

20 Sep 2017, 23:38

39
ER
 Jamboree and GMAT Club Contest: Is xy < 0?   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Inequalities,  Source: Jamboree
Bunuel

32

2897

25 Apr 2017, 23:49

39
ER
 Points M and P lie on square LNQR, and LM = LQ. What is the
Pmar2012

5

13810

22 Jul 2017, 18:17

39
ER
 A group consisting of several families visited an amusement park where
Bunuel

16

4706

11 Jul 2017, 04:57

39
 In a certain sport, teams receive 3 points for each win, 1 p
kingflo

19

8732

11 Aug 2017, 00:44

39
ER
 What is the value of |x| ?
Bunuel

19

16601

29 Aug 2017, 08:21

39
ER
 ax + by=10, ay + bx=12. which one is greater here, x or y ?
Asifpirlo

19

4769

18 Jun 2017, 23:46

39
ER
 If a and b are positive integers, what is the units digit of
honchos

6

6576

05 Oct 2017, 21:35

39
ER
 If 0 < x < y, what is the value of (x + y)^2/(x- y)^2?
Val1986

11

11616

28 Mar 2017, 13:07

39
ER
 At a business school conference with 100 attendees, are ther
enigma123

10

10127

05 Apr 2017, 01:35

39
ER
 If k is an integer such that 56 < k < 66, what is the value

9

12507

05 Oct 2017, 06:23

39
ER
 What is the value of x?
shrive555

14

5196

26 Jul 2017, 23:06

39
ER
 Is xy>0? (1) x-y>-2 (2) x-2y<-6   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Inequalities,  Source: GMAT Prep
hasham222

36

6804

28 Nov 2017, 22:17

39
ER
 A nonprofit group organizes its local fundraisers in teams,

12

7272

24 Sep 2017, 20:55

39
ER
 The figure above shows two entries, indicated by m and n, in
marcodonzelli

10

17216

26 Jul 2017, 20:13

39
ER
 Michael arranged all his books in a bookcase with 10 books on each she   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Word Problems,  Source: Official Guide
tonebeeze

35

9246

28 Nov 2017, 00:15

39
ER
 If k is an integer greater than 1, is k equal to 2^r for
arjunrampal

26

8765

08 Sep 2017, 10:42

39
ER
 Juan bought some paperback books that cost \$8 each and some
neeraj.kaushal

19

9382

05 Dec 2017, 18:22

39
ER
 If x = 0.rstu, where r, s, t and u each represent a nonzero
Baten80

17

8179

18 Nov 2016, 21:25

38
ER
 For a certain exam, was the standard deviation of the scores
gmat1220

14

4755

18 Jul 2017, 07:56

38
ER
 Lines m and n lie in the xy-plane and intersect at the point (-2; 4).
dreambeliever

10

7200

03 Sep 2017, 05:37

38
ER
 If set S consists of even number of integers, is the median   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Statistics and Sets Problems,  Source: GMAT Club Tests
mirhaque

38

11432

16 Jun 2017, 21:20

38
ER
 If x and y are nonzero integers, is (x^(-1) + y^(-1))^(-1) >
ajit257

12

11456

28 Jan 2017, 06:59

38
ER
 In a survey of retailers, what percent had purchased
Bunuel

19

15142

27 Jul 2017, 02:46

38
ER
 Is the positive integer y a multiple of 12?
GMATBeast

13

8723

23 Feb 2017, 05:15

38
ER
 If x^2/9 – 4/y^2 = 12, what is the value of x?
kairoshan

9

10251

11 Sep 2017, 19:40

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