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# Data Sufficiency (DS)

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294
ER
 150 Hardest and easiest questions for DS   Tags:
Bunuel

9

39938

24 Aug 2017, 21:58

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

0

187254

07 Mar 2012, 08:58

Topics

1
ER
 What is the value of x?
skylimit

7

911

10 Sep 2015, 13:02

1
 In a certain daycare, are there more boys than girls?

5

2601

08 May 2013, 02:02

1
ER
 Is |x+y|=|x|+|y|?
MathRevolution

3

1144

15 Jan 2017, 18:42

1
ER
 If x does not equal 0 what is the value of (x^p/x^q)^2
Viking81

3

2343

23 Apr 2012, 12:13

1
ER
 What is the value of a − b ?
macjas

2

2286

29 Mar 2017, 05:39

1
 Square G has sides of length 4 inches. Is the area of Square H exactly

2

308

26 Feb 2017, 08:18

1
 A certain dam regulates the volume of water
paisaj87

1

578

08 Feb 2016, 12:32

1
 In a group of 18 professional drivers, some have a chauffeur’s license
DML88

1

509

08 Feb 2016, 15:36

1
ER
 What is the value of x?
reto

5

597

24 Oct 2015, 04:29

1
 If a^b=c, what is the units digit of c?
rait_m

4

1910

20 Sep 2016, 15:01

1
ER
 If a and b are integers, is a < 0?
Bunuel

4

596

28 Apr 2016, 14:27

1
ER
 Racing Car A and Racing Car B were driven a distance of 1 mile in oppo
Bunuel

3

347

28 Mar 2017, 11:35

1
ER
 Is Quadrilateral ABCD a Square? 1) Diagonals of ABCD Bisect each oth
GMATinsight

2

348

07 May 2017, 21:27

1
 Are l1 and l2 parallel?
jrpf08

3

557

08 Sep 2017, 07:11

1
 A worker is hired for 7 days. Each day, he is paid 11 dollars more tha

4

557

31 May 2017, 11:33

1
ER
 If Bob, working alone, can paint a certain room in 3 hours, how long
Bunuel

3

1672

10 Oct 2017, 07:03

1
 If W>X>Y>Z>0, is Z>4 1) 1/W +1/X +1/Y +1/Z =
dreambeliever

7

1729

20 Mar 2011, 22:58

1
 Is a + a^(-1) > 2 ?
saggii27

2

1024

09 Aug 2014, 03:09

1
ER
 If k is a positive integer and has exactly two digits, what is k?
Bunuel

2

395

01 Nov 2016, 06:54

1
ER
 In a set of positive integers {j,k,l,m,n,o} in which j
mahendru1992

4

2709

16 Aug 2014, 13:41

1
ER
 Is the product of all of the elements in Set S negative?
Stiv

1

1579

20 Feb 2012, 02:49

1
ER
 If University of Virginia's total expenditure for books, periodicals,
Bunuel

2

251

05 Apr 2017, 09:54

1
ER
 If n and m are integers, is n/3 an integer?
Bunuel

6

745

08 Jun 2016, 23:15

1
ER
 100 consumers were surveyed about their use of two products, soap A an
Bunuel

3

558

02 May 2017, 00:05

1
ER
 If x is an integer, is y an integer?
banksy

4

3813

03 Sep 2017, 06:43

1
ER
 What is the perimeter of right triangle XYZ?
ereyhan

5

3902

24 Oct 2015, 10:16

1
ER
 If a truck averages 20 miles per gallon of gasoline on the first third
Bunuel

7

404

31 May 2017, 23:08

1
ER
 How much water is needed in the mixture used by a baker to prepare the
Bunuel

2

413

27 Oct 2016, 08:18

1
ER
 The figure above shows the shape of a flowerbed. If arcs WZ
Asifpirlo

3

1516

16 Oct 2016, 18:14

1
ER
 Three hundred dollars were deposited in an account at Bank X and left
Bunuel

2

378

27 Apr 2017, 13:59

1
 Is a > b?
banksy

4

2088

24 Apr 2016, 04:27

1
ER
 There are red, yellow, and blue marbles in a bag of 50 marbles. If Mar
Bunuel

3

781

13 Apr 2016, 11:45

1
ER
 Jack took an exam of 45 questions, how many questions did he answer co
Bunuel

1

395

09 Feb 2017, 15:08

1
ER
 If |a|>|b|, is a>b?
MathRevolution

8

650

26 Oct 2016, 02:57

1
 If n + k = m, what is the value of k?
Lolaergasheva

2

1370

22 May 2017, 11:52

1
 Is x^2 * y^2< xy ?
idontknowwhy94

7

563

07 Oct 2016, 12:46

1
 If H = T 1- R^2/1-g^k , then H =

1

260

08 May 2017, 06:43

1
ER
 x is a positive integer and (x − 1) is prime. Is x a prime number?
Nevernevergiveup

4

760

29 Dec 2015, 07:38

1
ER
 Machine J runs at a constant rate and produces a lot consisting of 300
Bunuel

3

575

16 May 2017, 03:02

1
ER
 Is x > sqrt(3)? (1) 3^(x) = sqrt(27) (2)x^3 + x^5 + x^7
spacelandprep

10

1761

08 Mar 2011, 16:25

1
 What is the value of x?
Lolaergasheva

4

2018

16 Sep 2016, 16:48

1
ER
 A child has a certain number of marbles in a bag: some red, some green
Bunuel

2

888

21 Dec 2015, 07:25

1
ER
 If a positive integer q is divisible by both 3 and 11, then q must als
mijou

4

1453

04 Mar 2011, 02:17

1
ER
 A family-size box of cereal contains more cereal and costs m
seabhi

2

2029

18 May 2014, 10:22

1
ER
 Does abcd = 1?
spacelandprep

4

1334

03 Mar 2011, 21:54

1
ER
 If x and y are positive integers, what is the value of x?
Bunuel

2

374

22 Apr 2017, 05:48

1
ER
 If n is a positive integer, is n + 1 a prime?
Bunuel

1

315

21 Apr 2017, 06:58

1
ER
 Is n < 0? (1) 1/n < 0 (2) n^2 > 0
Bunuel

2

404

21 Apr 2017, 09:55

1
ER
 Is -3*x^3 <= -3?
NoHalfMeasures

5

778

21 Dec 2015, 22:44

1
 Does ax = 5 – x? (1) ax = 5 (2) x = 1
duahsolo

2

364

25 Oct 2016, 20:49

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