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# Data Sufficiency (DS)

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

9

40972

24 Aug 2017, 20:58

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

0

190515

07 Mar 2012, 07:58

Topics

ER
 If r and t are positive integers, is rt even?
msand

5

4855

04 Jul 2013, 05:40

36
ER
 What is the remainder when the positive integer n is divided
andresfigue

11

19328

04 Jul 2013, 19:07

ER
 a, b, and c are integers. Is abc = 0?
misterJJ2u

7

2010

05 Jul 2013, 11:16

6
ER
 Is the average (arithmetic mean) of 5 different positive
bewakoof

19

8284

08 Jul 2013, 09:43

4
ER
 Is the three digit number n less than 550?
nitinneha

10

4782

13 Jul 2013, 05:20

6
ER
 Over a certain time period, did the number of shares of
GHIBI

3

3652

14 Jul 2013, 01:33

1
ER
 What is the value of x ?
hb

3

1293

15 Jul 2013, 09:03

4
ER
 Is x/3 + 3/x > 2
sher676

19

3125

15 Jul 2013, 21:19

4
ER
 George scored 85 on an exam. Did George do better than 90
josemnz83

8

1921

17 Jul 2013, 04:47

2
 If S = y^2 + 2xy + x^2, what is the value of xy?
metallicafan

4

2809

18 Jul 2013, 14:10

ER
 If x, y and z are positive, is x = y/z^2
exploringm

5

1790

19 Jul 2013, 00:52

1
ER
 Is the value of the perimeter of rectangle R greater than
guygmat

3

2623

20 Jul 2013, 05:26

2
ER
 Is a^x > b^x?
kuchikoo75

1

1026

22 Jul 2013, 07:17

4
ER
 A construction company was paid a total of \$500,000 for a
gluon

3

2397

23 Jul 2013, 01:54

 A non empty set S has less than four elements. How many
innocous

4

1230

25 Jul 2013, 11:40

9
ER
 All the clients that Company X had at the beginning of last
Naina1605

4

5946

27 Jul 2013, 06:00

2
ER
 Are positive integers p and q both greater than n?
faifai0714

3

8352

27 Jul 2013, 09:44

21
ER
 If n is a positive integer and r is the remainder when 4+7n
forgmat

5

14186

27 Jul 2013, 11:52

1
 Is (a-k)/(b-k)>(a+k)/(b+k) ?
bagdbmba

6

1537

31 Jul 2013, 08:44

2
ER
 From May 1 to May 30 in the same year, the balance in a
albany09

7

1749

31 Jul 2013, 09:46

8
ER
 During a 10-week summer vacation, was the average
puma

16

9211

31 Jul 2013, 10:02

1
ER
 How far is A from C?
kashishh

7

3047

01 Aug 2013, 13:45

1
 A car is travelling in a constant speed to cover a distance
karthiksms

6

2275

01 Aug 2013, 14:12

 Is a < b ?
gepetow

2

1042

02 Aug 2013, 10:00

2
 What does k equal if (3k)^x=1
guerrero25

1

1031

04 Aug 2013, 02:44

5
 A village is under attacked by a deadly virus species.
Asifpirlo

1

1045

05 Aug 2013, 00:27

 Jenifer, David and Steve are children of Mrs. Noris.
Asifpirlo

3

966

05 Aug 2013, 10:34

 If a is a positive whole number, is b also a positive whole
fozzzy

4

1606

06 Aug 2013, 12:11

9
ER
 A total of \$60,000 was invested for one year. But of this
Economist

12

9503

09 Aug 2013, 02:44

4
ER
 If the units digit of integer n is greater than 2, what is
Jozu

15

16721

09 Aug 2013, 02:51

1
 The average weight of the students
Gian

3

1494

10 Aug 2013, 05:09

2
 The equation of the curve shown in the figure is given by
Asifpirlo

8

1206

11 Aug 2013, 05:38

6
ER
 If t is a positive integer and r is the remainder when t^2 +
marcodonzelli

7

1950

16 Aug 2013, 00:36

3
ER
 If n is a positive integer, what is the tens digit of n ?
Baten80

4

2217

16 Aug 2013, 03:57

1
 Is x > 0?
Stiv

1

1272

17 Aug 2013, 10:30

1
 If Simon paid 25 cents for each orange and 15 cents for each
fozzzy

1

1039

19 Aug 2013, 05:07

2
 A pencil costs \$3 and a pen costs \$7. If pens and pencils
innocous

2

1249

19 Aug 2013, 06:21

1
ER
 A scientist is studying bacteria whose cell population
hi0parag

8

2206

20 Aug 2013, 00:46

1
ER
 If y is an integer, is y^3 divisible by 9?
siddhans

9

5911

20 Aug 2013, 05:31

ER
 A CEO is building an extra-wide garage in which to park his
Asifpirlo

2

1168

22 Aug 2013, 02:10

ER
 The figure above shows the shape of a brick patio. If arc AB
Asifpirlo

3

1140

22 Aug 2013, 02:16

2
ER
 Is x > y?
kumar83

4

1077

22 Aug 2013, 10:45

1
ER
 Whether x and y both positive? (1) 2x - 2y =1 (2) x/y > 1
ahirjoy

8

2095

23 Aug 2013, 02:05

4
ER
 In the sequence of non-zero numbers t1, t2,t3,......tn,.....
riks200

4

2027

23 Aug 2013, 02:25

9
ER
 The only gift certificates that a certain store sold
Baten80

3

10328

25 Aug 2013, 06:14

ER
 2A+2B+18=0 what is B?
Anasarah

1

1065

25 Aug 2013, 15:12

2
 Peder currently works 40 hours a week. If his hourly wage we
guerrero25

2

1820

27 Aug 2013, 13:58

5
ER
 A contractor combined x tons of a gravel mixture that contai
bewakoof

9

2618

28 Aug 2013, 08:39

2
ER
 A basic savings account pays interest once per year on Decem
sehosayho

3

1233

29 Aug 2013, 03:52

1
ER
 How many hours did it take Helen to drive from her house to
djdela

7

2391

30 Aug 2013, 03:08

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