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# Data Sufficiency (DS)

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Announcements

278
ER
 150 Hardest and easiest questions for DS   Tags:
Bunuel

9

36891

24 Aug 2017, 21:58

625
ER
 DS Question Directory by Topic and Difficulty   Tags: Coordinate Geometry
bb

0

178378

07 Mar 2012, 08:58

Topics

44
ER
 If x and y are positive integers, what is the remainder when   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Remainders
nusmavrik

22

8304

19 May 2016, 13:28

44
ER
 Is 4^(x+y)=8^(10) ?   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Exponents/Powers,  Source: Official Guide
Bunuel

39

16919

04 Aug 2017, 12:31

44
ER
 If 5a=9b=15c, what is the value of a+b+c?   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Algebra
jabronyo

22

7310

18 May 2017, 02:45

44
ER
 If x is an integer, is (x^2+1)(x+5) an even number?
mybudgie

29

16836

17 Jul 2017, 15:01

44
ER
 A train runs over a straight route from town A to town D. It is schedu
Bunuel

13

1597

20 Mar 2017, 02:21

44
ER
 In isosceles triangle RST what is the measure of angle R?   Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Geometry,  Source: GMAT Prep
gmatgg

20

35077

18 Jun 2017, 01:35

44
ER
 If zy < xy < 0, is |x-z| + |x| = |z|?
zaarathelab

11

4734

14 Mar 2017, 23:39

44
ER
 If x is an integer, what is the value of x?   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Absolute Values/Modules,  Source: GMAT Pill
rohitgoel15

30

21364

22 May 2017, 03:06

43
ER
 If x, y, and z are positive integers, where x > y and
ctrlaltdel

11

4332

30 May 2017, 05:05

43
ER
 If x and y are positive, is x < 10 < y?   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Inequalities,  Source: Official Guide
Bunuel

20

12220

28 Jun 2017, 09:30

43
ER
 A certain circle in the xy-plane has its center at the origin. If P is
Sallyzodiac

10

8093

08 Sep 2017, 05:41

43
ER
 Is the positive integer N a perfect square?
PTK

17

7605

22 Nov 2016, 02:58

43
ER
 A group of men and women gathered to compete in a marathon.
enigma123

19

10369

08 Dec 2016, 20:48

43
ER
 A rectangle is plotted on the standard coordinate plane   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Coordinate Geometry,  Source: Grockit
guygmat

29

10765

02 Mar 2017, 21:35

43
ER
 Store S sold a total of 90 copies of a certain book during   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Word Problems,  Source: GMAT Prep
Hussain15

20

13319

20 Jan 2017, 01:09

43
ER
 If k is an integer and x(x – k) = k + 1, what is the value of x?   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Algebra,  Source: Other - Please specify
Bunuel

31

5133

07 Jul 2017, 06:34

43
ER
 Each of the letters in the table above represents one of the

11

11241

06 Aug 2017, 22:20

43
ER
 Guy's net income equals his gross income minus his deduction
Bunuel

12

13486

10 Jan 2017, 18:50

43
ER
 Are at least 10 percent of the people in Country X who are   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Overlapping Sets,  Word Problems,  Source: GMAT Prep
study

23

15268

02 Mar 2017, 11:26

43
ER
 Terry holds 12 cards, each of which is red, white, green, or
Bunuel

13

10645

03 Aug 2017, 14:37

42
ER
 [y] denotes the greatest integer less than or equal to y. Is
Bunuel

17

7794

13 Feb 2017, 07:39

42
ER
 Shaina's five-distinct-digit locker code is 5A48B. What
Smita04

19

6532

29 Apr 2017, 03:51

42
ER
 70 75 80 85 90 105 105 130 130 130 The list shown consist of   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Statistics and Sets Problems,  Source: GMAT Prep
sushma0805

27

11526

15 Oct 2016, 03:05

42
ER
 A list contains n distinct integers. Are all n integers cons   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Statistics and Sets Problems,  Source: Manhattan GMAT
UdaySJha

21

9716

02 Feb 2017, 18:33

42
ER
 A citrus fruit grower receives \$15 for each crate of oranges   Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Word Problems
sondenso

21

10721

12 Oct 2012, 21:20

42
ER
 Pam owns an inventory of unopened packages of corn and rice
Vinayprajapati

19

2067

27 Aug 2017, 02:37

42
ER
 If x is an integer, is the median of 5 numbers shown greater than the
getzgetzu

17

18819

12 Feb 2017, 03:12

42
ER
 Is r/s^2 a terminating decimal?   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Fractions/Ratios/Decimals
study

26

8780

27 Apr 2017, 22:32

42
ER
 Points A, B, C and D lie on a circle of radius 1. Let x be
arjtryarjtry

16

6413

31 Aug 2017, 03:47

42
ER
 Linda put an amount of money into each of two new
Hermione

7

18482

31 Jul 2014, 19:41

42
ER
 If m is an integer, is m odd?   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Number Properties,  Source: Official Guide
dzodzo85

30

15711

21 Nov 2016, 10:43

42
ER
 Math Revolution and GMAT Club Contest! For positive integers a and b,   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Remainders,  Source: Math Revolution
Bunuel

26

3146

05 Mar 2017, 23:03

42
ER
 Set X consists of seven consecutive integers, and Set Y
BN1989

12

4684

02 Jul 2017, 07:20

42
 M and N are integers such that 6
AbdurRakib

9

2789

28 Aug 2017, 07:02

42
ER
 In the rectangular coordinate system, are the points (r,s)
calvinhobbes

17

7821

17 Feb 2017, 09:00

42
ER
 If x, y, and z are positive integers, and (x!+x)/z=y, then
Marco83

12

4217

09 Aug 2017, 05:29

42
ER
 The only gift certificates that a certain store sold
Bunuel

11

9366

14 Sep 2017, 10:44

42
ER
 If m is a positive integer, then m^3 has how many digits?
Bunuel

12

5148

25 Apr 2017, 02:37

41
ER
 Of the companies surveyed about the skills they required in
Bunuel

12

8236

21 Mar 2017, 23:02

41
ER
 On a particular trip, Jane drove x miles at 30 miles per hour and y
iamdp

17

3659

17 Mar 2017, 02:20

41
ER
 Given n>5 , when (n!+n+1) is divided by (n+1)
guerrero25

13

3045

24 Jun 2017, 06:30

41
ER
 If x and y are nonzero integers, is x^y < y^x? (1) x =   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Exponents/Powers,  Inequalities
ValleyBall1

24

11119

03 Jun 2017, 21:16

41
ER
 If r – s = 3p , is p an integer? (1) r is divisible by 735
enigma123

14

7271

07 Jun 2017, 12:57

41
ER
 What does |2b| equal?   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Absolute Values/Modules,  Algebra
Galiya

21

6072

23 Feb 2017, 06:11

41
ER
 What is the value of the two-digit positive integer n?
alex1233

10

5772

19 Sep 2017, 22:58

41
ER
 In the figure above, PQR and STU are identical equilateral triangles,
Bunuel

14

6699

20 May 2017, 14:15

41
ER
 While on a straight road, Car X and Car Y are traveling at
vix

13

13195

23 Feb 2017, 05:52

41
ER
 Circle O is inscribed in equilateral triangle ABC, which is
Hussain15

19

7515

16 Feb 2017, 19:36

41
 If a, b, c, and d are numbers on the number line shown and if
ramonguib

4

2541

05 Sep 2017, 09:35

41
ER
 Math Revolution and GMAT Club Contest! If |3x| > |4y|, is x > y?
Bunuel

37

3391

16 Jun 2017, 18:02

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