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Data Sufficiency (DS)

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Announcements

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

9

39829

24 Aug 2017, 21:58

658
ER
 DS Question Directory by Topic and Difficulty   Tags: Coordinate Geometry
bb

0

186946

07 Mar 2012, 08:58

Topics

4
 A sequence An is there such that An=(An-1)-(An-2) where n are integers
hazelnut

3

561

12 Nov 2017, 11:08

113
ER
 Mary persuaded n friends to donate \$500 each to her election   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Word Problems,  Source: GMAT Prep
seofah

25

21584

12 Nov 2017, 09:07

148
ER
 If x is an integer greater than 1, is x equal to the 12th   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Exponents/Powers,  Number Properties,  Source: GMAT Prep QP1
bhupi

24

16837

12 Nov 2017, 08:42

1
ER
 If 2x (5n) = t, what is the value of t?
dreambig1990

2

2527

12 Nov 2017, 08:41

1
ER
 Is 12 a factor of the positive integer n?
Bunuel

5

275

12 Nov 2017, 08:41

1
ER
 If x + y = 36, what is the value of xy?
Bunuel

6

1650

12 Nov 2017, 08:40

5
ER
 What is the value of x^2 - y^2? (1) x + y = 0 (2) x - y = 2
SergeNew

2

2292

12 Nov 2017, 08:40

2
ER
 If 2x(5n) = t, whatis the value of t?
Bunuel

3

3316

12 Nov 2017, 08:39

10
ER
 A supermarket sells a cerain brand of jelly in two jars of d
fozzzy

6

4754

12 Nov 2017, 06:37

1
ER
 Is xy>0?
chetan2u

3

256

11 Nov 2017, 21:23

ER
 On a given day, 50 people took a test that is designed to measure a ca
Bunuel

1

123

11 Nov 2017, 21:09

13
ER
 If A and C are points in a plane, C is the center of circle
macjas

4

3928

11 Nov 2017, 20:10

76
ER
 If x and y are positive, is x < y?   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Inequalities,  Source: GMAT Prep EP 2
Lettherebelight

20

9735

11 Nov 2017, 19:00

ER
 Is y^2 = 0?
Bunuel

1

98

11 Nov 2017, 15:15

1
ER
 Of the high school students who participated in a recent survey, 110
Bunuel

4

264

11 Nov 2017, 13:40

23
ER
 Sequence S consists of 24 nonzero integers. If each term in   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Sequences,  Source: Kaplan,  Source: Princeton Review
zisis

21

7805

11 Nov 2017, 12:59

ER
 If xy ≠ 0, what is the value of 1/x + 1/y ?
Bunuel

3

154

11 Nov 2017, 11:26

ER
 Was the average (arithmetic mean) weight of the package mailed at a
Bunuel

2

110

11 Nov 2017, 11:26

5
ER
 Is ABC a right triangle? AB = 5; AC = 4. (1) BC = 3 (2) AC = CD
Bunuel

4

203

11 Nov 2017, 11:12

ER
 If x ≠ y, is x + y = xy?
Bunuel

2

114

11 Nov 2017, 10:19

1
ER
 What is the value of the product xy?
Bunuel

1

79

11 Nov 2017, 09:44

ER
 At an auction, each of the bids on a certain clock after the first bid
Bunuel

1

86

11 Nov 2017, 09:39

ER
 If n is a positive integer, what is the value of n ?
Bunuel

1

94

11 Nov 2017, 09:35

3
ER
 Linda purchased 3 books at a book fair. What was the median price of
Bunuel

2

107

11 Nov 2017, 09:31

ER
 If R, S, and T are numbers on the number line, not necessarily in that
Bunuel

2

92

11 Nov 2017, 09:30

61
ER
 What is the value of x + y in the figure above?

7

8269

11 Nov 2017, 09:17

ER
 Is t greater than v ? (1) t is greater than 3. (2) v is less than 5.
Bunuel

1

87

11 Nov 2017, 08:54

ER
 A sequence of numbers a1, a2, a3, . . . is given by the rule an^2 = an
Bunuel

2

142

11 Nov 2017, 08:28

2
ER
 Did the price of energy rise last year? (1) If the price of energy ros
Bunuel

2

108

11 Nov 2017, 08:24

3
ER
 Is x/12 > y/40 ?
Bunuel

3

203

11 Nov 2017, 08:20

ER
 Plane X flies at r miles per hour from A to B. Plane Y flies at S mile
Bunuel

4

237

11 Nov 2017, 08:14

24
ER
 In each game of a certain tournament, a contestant either loses 3 poin
Bunuel

9

3413

11 Nov 2017, 08:05

ER
 If r = (x+y)/2 and s = (x-y)/2, what is the value of r + s?
Bunuel

1

78

11 Nov 2017, 07:55

4
ER
 Is 2x > 2y ?
Bunuel

6

965

11 Nov 2017, 07:53

7
ER
 What is the value of positive integer x?
Bunuel

9

830

11 Nov 2017, 07:52

76
ER
 If the ratio of the number of teachers to the number of

12

12500

11 Nov 2017, 07:50

2
ER
 Is 1/x greater than 1/y?
Bunuel

5

184

11 Nov 2017, 07:45

1
ER
 If the number of members in the club C is 100, what is the value of x?
sunny91

1

102

11 Nov 2017, 06:22

56
ER
 A company makes and sells two products, P and Q. The costs per unit of
Bunuel

11

6169

11 Nov 2017, 05:32

21
ER
 In a sequence of terms in which each term is three times the
mariyea

19

6827

11 Nov 2017, 05:05

11
ER
 If the vertices of a quadrilateral PQRS lie on the circumference of
joylive

7

4973

11 Nov 2017, 03:39

8
ER
 Is |x| = |y|? (1) x = -y (2) x^2 = y^2
HarveyKlaus

5

932

11 Nov 2017, 01:25

3
 Is x^2>x^3

3

176

11 Nov 2017, 01:01

64
ER
 A box contains 10 light bulbs, fewer than half of which are   Go to page: 1, 2 Tags: Difficulty: 600-700 Level,  Probability
udaymathapati

23

13062

10 Nov 2017, 23:50

42
ER
 If h and k are both positive integers, are both roots of the equation
hubahuba

17

4641

10 Nov 2017, 23:24

67
ER
 What is x?   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Inequalities,  Source: Manhattan GMAT
rohitgoel15

24

17607

10 Nov 2017, 23:14

13
ER
 Many of the students at the International School speak
monirjewel

9

5415

10 Nov 2017, 22:47

6
ER
 In a taste test conducted for coffee brands X and Y, if each of the 1,
Bunuel

10

1247

10 Nov 2017, 21:26

11
ER
 If 8x > 4 + 6x, what is the value of the integer x? (1) 6   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Inequalities,  Source: Manhattan GMAT
heyholetsgo

22

7948

10 Nov 2017, 21:14

7
ER
 If x and n are integers is the sum of x and n less than zero
dvinoth86

10

6430

10 Nov 2017, 21:04

 new topic Question banks Downloads My Bookmarks Reviews Important topics Go to page Previous    1  ...  3   4   5   6   7   8   9   10   11  ...  214    Next Search for:

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