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# Data Sufficiency (DS)

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291
ER
 150 Hardest and easiest questions for DS   Tags:
Bunuel

9

39660

24 Aug 2017, 21:58

656
ER
 DS Question Directory by Topic and Difficulty   Tags: Coordinate Geometry
bb

0

186465

07 Mar 2012, 08:58

Topics

10
ER
 For non-negative integers x, y, and z, is x^z odd?
Bunuel

9

1476

21 Nov 2016, 02:50

20
ER
 If 75 percent of the guests at a certain banquet ordered des
abhi47

9

7743

23 Sep 2013, 01:48

12
ER
 If x is a positive integer greater than 1, is x! + x + 1 a p
goodyear2013

9

6687

28 May 2017, 16:32

13
ER
 Is integer k a prime number?
Bunuel

9

1935

22 Nov 2016, 23:14

8
ER
 In a certain class, one student is to be selected at random
Bunuel

9

6870

02 Sep 2017, 11:53

63
ER
 Henry purchased 3 items during a sale. He received a 20
docabuzar

9

16131

15 Jul 2017, 11:24

62
ER
 Jack and Mark both received hourly wage increases of 6 perce
docabuzar

9

18269

15 Jul 2017, 23:10

7
ER
 Is n an integer less than 5?
Bunuel

9

1809

12 Sep 2017, 13:15

33
ER
 If x is a positive integer, is x-1 a factor of 104?
enigma123

9

6776

21 Sep 2016, 03:13

33
ER
 What is the remainder when the positive integer x is divided
enigma123

9

16613

15 Jul 2017, 15:12

182
ER
 If n is a positive integer and r is the remainder when (n-1)
enigma123

9

39378

14 Sep 2017, 03:01

35
ER
 Last year the average (arithmetic mean) salary of the 10
Bunuel

9

9095

02 Jun 2017, 09:50

11
ER
 What is the value of positive integer m?
vdm

9

1104

05 Mar 2017, 23:53

9
ER
 The ratio of television sets to radios at an electronic store before
Bunuel

9

1361

28 Oct 2016, 05:55

14
ER
 If A, B and C are digits between 0 and 9 inclusive, what is
SonyGmat

9

2477

29 Apr 2017, 08:04

22
ER
 If n is an integer between 10 and 99, is n < 80?
geometric

9

12956

11 Jul 2017, 07:54

21
ER
 Ann deposited money into two new accounts, A and B. Account
geometric

9

11020

07 Aug 2017, 05:24

8
ER
 Given that a, b, c, and, d are non-negative integers, is the
enigma123

9

4101

26 Mar 2016, 17:57

2
ER
 In the figure above, what is the ratio of the area of triangle ABC to
SonyGmat

9

2777

09 Jan 2012, 14:45

5
ER
 If \$5,000 invested for one year at p percent simple annual
Bunuel

9

12636

06 Jun 2017, 16:03

2
 A pagoda “P” is situated on an apex of a hill at a height of
Asifpirlo

9

1547

17 Feb 2014, 05:23

15
 The number A is a two-digit positive integer; the number B i
386390

9

3452

29 May 2017, 16:21

4
ER
 Is xy > x/y?
Naina1605

9

2180

19 May 2014, 03:19

4
ER
 Is 7^x greater than 2,500?
Bunuel

9

1408

06 Sep 2015, 07:07

4
ER
 If n is an integer, is n/15 an integer?
ashiima

9

2171

18 Jun 2017, 02:33

15
ER
 In the rectangular coordinate system, are the points (p,q) and (r,s)
dvinoth86

9

2876

29 Sep 2017, 00:00

4
ER
 Is x a multiple of 12?
dreambeliever

9

2217

04 Nov 2017, 08:21

6
ER
 If n is a positive integer, is n – 1 divisible by 3?
Bunuel

9

1635

01 Aug 2017, 10:20

70
ER
 For integers x, y, and z, x = y^2. What is the value of z?
HarveyS

9

7147

15 Apr 2017, 14:00

8
ER
 What is the units digit of y?
Bunuel

9

1251

26 Jul 2016, 02:09

5
ER
 If x + y + z = 6, then do any two of the three numbers x, y, and z sum
Bunuel

9

1313

22 Jun 2017, 14:31

12
ER
 In a certain class, the ratio of girls to boys is 5:4. How
mikemcgarry

9

2796

02 Jul 2017, 20:07

15
ER
 Two lines, k and m, intersect in the coordinate plane at poi
GMATmission

9

4440

20 Nov 2016, 14:09

52
ER
 In the morning, Chris drives from Toronto to Oakville and in the eveni
Bunuel

9

2335

03 Oct 2017, 00:43

8
ER
 What is the value of xy?
swati007

9

2719

31 Aug 2017, 04:27

2
ER
 ABCD is a parallelogram which has a right angle. If the
SonyGmat

9

2208

17 Jun 2017, 19:25

38
ER
 In the sequence S of numbers, each term after the first two
Bunuel

9

5246

30 Jun 2017, 14:42

4
 If y = (x^2 - y^2)/(x-y) (x y ), then what is the value of y
kenman

9

3035

30 Aug 2016, 08:02

11
ER
 If p, m, and n are positive integers, n is odd, and p = m^2
maniac

9

1938

13 Aug 2016, 12:12

4
ER
 Is 0.4 < x < 0.8 ?
RudeyboyZ

9

2848

30 Jul 2017, 02:34

3
ER
 What is x? (1) |x| < 2 (2) |x| = 3x 2 I am a little
Bull78

9

1517

21 Jun 2016, 10:39

8
ER
 What is the length of chord AB in circle O above?
maxLRok

9

4765

29 Oct 2017, 05:22

5
ER
 Xander, Yolanda, and Zelda each have at least one hat. Zelda
kkalyan

9

4254

12 Jan 2016, 04:28

6
ER
 If P is divisible by 2, is Q + 5 an integer? (1) The median
maheshsrini

9

6116

28 Jun 2017, 02:58

3
ER
 What is the perimeter of rectangle ABCD ?

9

5848

05 Jul 2016, 01:25

15
ER
 p and q are different two-digit prime numbers with the same
cvsmech

9

11053

08 Sep 2013, 07:00

4
ER
 Q1 If 3^a*4^b = c, what is the value of b? (1) 5^a = 25 (2)
nusmavrik

9

1388

20 Aug 2014, 19:43

13
ER
 S is an infinite sequence, in which the value of a
gmatprep2011

9

3361

21 Sep 2014, 11:41

10
ER
 In the figure above, P and Q are centers of two identical
stunn3r

9

2611

29 Nov 2016, 13:41

1
ER
 Is x^y less than or equal to y^x?
zura

9

2689

21 Jan 2016, 05:05

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