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# Data Sufficiency (DS)

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286
ER
 150 Hardest and easiest questions for DS   Tags:
Bunuel

9

38298

24 Aug 2017, 21:58

642
ER
 DS Question Directory by Topic and Difficulty   Tags: Coordinate Geometry
bb

0

182256

07 Mar 2012, 08:58

Topics

 In a certain high school graduating class, 60 percent of the students.
Pritishd

0

47

19 Oct 2017, 02:39

6
ER
 In the rectangular coordinate system, lines m and n cross at
b00gigi

3

1815

19 Oct 2017, 03:18

3
ER
 If x and y are positive integers, is x - y > (x+y)/2 ? (1) y < x (2)
Bunuel

6

1253

19 Oct 2017, 03:46

3
ER
 If x, y, b and t are all positive integers, x = y/5 + 2
hideyoshi

5

1030

19 Oct 2017, 04:00

3
ER
 Is a/b < 2?
Creeper300

2

1662

19 Oct 2017, 04:08

5
ER
 For a certain set of n numbers, where n > 2, is the average (arithmet
Bunuel

5

1143

19 Oct 2017, 04:51

2
 Rectangle ABDC is perfectly inscribed inside a circle and has an area
GTExl

5

395

19 Oct 2017, 05:41

5
 Does 7x = 14 + 2x?
Yalephd

3

2430

19 Oct 2017, 05:46

7
 Martin has worked for the last 30 years. If his average (ari
dinesh8

2

3193

19 Oct 2017, 05:54

ER
 Bill started walking with a speed of X miles per hour.
himalayanmonk

5

603

19 Oct 2017, 06:05

17
 If abc 0, what is the value of a^3 + b^3 + c^3/abc ? (1)
gmatpapa

11

12304

19 Oct 2017, 06:33

10
ER
 16 horses can haul a load of lumber in 24 minutes. 12 horses started h
Bunuel

12

2210

19 Oct 2017, 06:37

8
ER
 What is Sarah's annual income?
yach

13

3719

19 Oct 2017, 08:06

1
 If x and y are positive integers, is x even?
nkmungila

2

85

19 Oct 2017, 08:49

177
ER
 Each employee of Company Z is an employee of either division   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Fractions/Ratios/Decimals,  Word Problems,  Source: GMAT Prep
GMATBLACKBELT

36

25666

19 Oct 2017, 09:42

2
 On Christmas, a class teacher gave a gift pack to each student present

2

70

19 Oct 2017, 10:42

6
ER
 What is Ricky's age now?
Bunuel

4

5159

19 Oct 2017, 10:44

9
ER
 The only contents in a container are green disks, blue disks
sanjoo

7

4943

19 Oct 2017, 11:13

31
ER
 What is the result when x is rounded to the nearest hundredt
nitindas

14

11392

19 Oct 2017, 11:23

1
ER
 At how many points does the graph of a quadratic equation cut x axis
GMATinsight

1

73

19 Oct 2017, 11:51

17
ER
 If x and y are integers and x > 0, is y > 0?
Orange08

10

5153

19 Oct 2017, 12:10

 Daniel invested a total of \$10,000 for a period of one year. Part of t

1

53

19 Oct 2017, 12:50

1
 Is x greater than y ?

2

119

19 Oct 2017, 13:32

1
ER
 If a>2, is b<1?
Nathanlambson

6

561

19 Oct 2017, 13:44

5
ER
 Is x>y?
MathRevolution

3

744

19 Oct 2017, 14:00

3
ER
 If x, y and z are real numbers, is y – z < x – z?
Bunuel

4

504

19 Oct 2017, 16:03

13
ER
 Is x a prime number?
Bunuel

13

1586

19 Oct 2017, 19:48

1
ER
 Is x < 0? (1) x^3 + x^2 + x + 2 = 0 (2) x^2 - x - 2 < 0
idontknowwhy94

5

721

19 Oct 2017, 20:02

4
ER
 If a, b, x, y are positive integers and a^xb^y= 144, then a + b = ?
idontknowwhy94

2

502

19 Oct 2017, 20:16

8
ER
 If Q and T are integers, what is the value of Q?
Bunuel

4

849

19 Oct 2017, 20:19

57
ER
 If a does not = 0, is 1/a > a/(b^4 + 3)   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Algebra,  Inequalities,  Source: Manhattan GMAT
rjkaufman21

22

10267

19 Oct 2017, 20:24

5
ER
 For real numbers a, b, and c, is ab = bc + 3?
Bunuel

4

656

19 Oct 2017, 21:10

104
ER
 How many subordinates does Marcia have?   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Combinations
marcodonzelli

30

16368

19 Oct 2017, 22:58

2
ER
 How many people are directors of both Company K and Company
gayathriz

7

2267

20 Oct 2017, 00:01

ER
 If n is a positive integer, is 3^n+3^8 divisible by 4?
MathRevolution

3

123

20 Oct 2017, 01:07

ER
 If p and q are not 0, what is the value of p^3*q^3 ?
nkmungila

3

127

20 Oct 2017, 03:01

1
 What is the highest common factor of three positive integers x,y,
pushpitkc

4

110

20 Oct 2017, 08:06

1
ER
 What is the value of x? 1) x^-2x=1 2) x^x=1
MathRevolution

2

85

20 Oct 2017, 10:25

15
ER
 To raise funds, a racing team sold T-shirts imprinted with
guerrero25

5

4518

20 Oct 2017, 10:47

1
ER
 A citrus fruit grower receives \$15 for each crate of oranges
ekshyam

6

1886

20 Oct 2017, 10:53

15
ER
 If n is an integer between 100 and 900, what is the tens dig
amyjohn

6

5264

20 Oct 2017, 16:34

2
ER
 AC is a diameter of the circle and B is a point on the circle. ACD is
Bunuel

5

192

20 Oct 2017, 21:08

25
ER
 Sally and Sanjit are working together at the same task. By herself, Sa
Bunuel

8

2434

20 Oct 2017, 23:13

5
ER
 If Sarah was 21 years old exactly 5 years ago, how old was Larry exact
Bunuel

6

2292

20 Oct 2017, 23:15

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