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# Data Sufficiency (DS)

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Announcements

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

9

39998

24 Aug 2017, 21:58

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

0

187435

07 Mar 2012, 08:58

Topics

ER
 Joe is older to Lloyd by five years. Ten years ago, John was   Tags: Poor Quality
powerka

9

3378

30 Oct 2010, 02:55

1
ER
 In a certain playground, a square sand box rests in a
macjas

4

3380

25 Aug 2015, 12:34

4
ER
 What is the value of N?
MichelleSavina

5

3382

15 Apr 2016, 12:38

10
ER
 For a basic monthly fee of F yen, Noak's first cell phone allowed him
HarveyKlaus

8

3382

11 Oct 2017, 01:16

8
ER
 If x>0, does f(x^2)=f(x)^2?
Bunuel

6

3382

13 Sep 2017, 07:48

26
ER
 What are the coordinates of point A?
sps1604

12

3383

11 Oct 2016, 11:06

3
ER
 A data company recently conducted a survey to determine wh
emmak

11

3383

23 Mar 2017, 14:37

5
ER
 If x and y are both integers, which is larger, x^x or y^y?
Apex231

7

3385

27 Dec 2013, 10:09

 If v and w are different integers, does v = 0 ? (1) vw = v^2
samramandy

7

3386

10 Oct 2011, 22:23

5
 There are 20 books in a bookcase. If one book is selected at
banksy

4

3387

05 Nov 2014, 22:28

14
ER
 If x and y are two points on the number line what is the
study

10

3388

21 Feb 2017, 02:06

13
ER
 If 20 percent of the members in club A are members of club B also,
getzgetzu

8

3390

01 Sep 2017, 13:01

2
ER
 In a certain survey, 1,200 people were asked which they

7

3391

29 Mar 2016, 03:31

12
 If the two-digit number M contains the digits x and y, what
rohitgarg

4

3395

06 Sep 2016, 07:08

8
ER
 Each of the 30 students in a class is either male or female,
powerka

6

3398

29 Jun 2013, 03:51

3
ER
 If a is less than 80% of b, is a less than 50? (1) b a = 20
guygmat

9

3399

03 Apr 2015, 09:42

6
ER
 If xy > 0, does (x-1)(y-1) = 1?
abelnazareth

4

3399

19 Sep 2016, 07:17

10
ER
 If x#-y is (x-y)/(x+y)>1?
ichha148

11

3401

12 Oct 2015, 19:25

20
ER
 In the figure, ABC is an equilateral triangle, and DAB is a
anilnandyala

9

3402

21 Jun 2016, 01:35

5
ER
 Is 2 < x < 4? (1) x^2 - 5x + 6 < 0 (2) 5x^2 - 25x > 0   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Poor Quality
gdmat720

31

3404

16 Feb 2015, 04:22

5
ER
 Each baby born at a certain hospital last week was either a
NoHalfMeasures

5

3405

21 Jun 2017, 11:45

11
ER
 Is |2a – b| < 7?
Postal

14

3407

23 Mar 2017, 17:09

16
ER
 Train A leaves New York for Boston at 3 PM and travels at
johnycute

17

3407

02 Jun 2014, 02:41

1
ER
 A certain city owns 298 buses, whose routes are divided into   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Poor Quality,  Word Problems,  Source: Kaplan
rxs0005

20

3409

01 Feb 2016, 10:03

3
ER
 If n is a positive integer, is 10^n - 1 divisible by q?
bblast

5

3415

14 Jul 2016, 02:45

13
ER
 Is x > y^2? 1. x > y + 5 2. x^2 - y^2 = 0
sset009

8

3418

22 Jun 2012, 07:35

13
ER
 Is a^2*b > 0?   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Inequalities
iamba

22

3421

11 Apr 2017, 10:43

2
ER
 Are x and y both positive?   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Inequalities,  Source: GMAT Prep
Raghavender

25

3421

26 Jun 2014, 01:07

10
ER
 If (y+3)(y-1)-(y-2)(y-1)=r(y-1), what is the value of y?
Jasonammex

13

3423

22 May 2017, 20:08

10
ER
 If n is one of the numbers in 1/3, 3/16, 4/7, 3/5 then what
LM

5

3425

04 May 2017, 15:39

4
ER
 In a computer repair shop the ratio of the number of CPUs to
gmihir

6

3425

01 Aug 2017, 17:58

10
ER
 Is |x − 6| > 5 ?
Apex231

14

3426

13 Jun 2017, 22:38

5
ER
 Is 0 < y < 1 ?
carcass

10

3430

24 Jun 2017, 05:40

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

9

3435

11 Nov 2017, 08:05

9
ER
 If xy > 0, does xy y = 3? (1) xy = 3 (2) y 1 = 0
rxs0005

8

3436

01 Jun 2017, 07:55

4
ER
 In the diagram above, what is the length of MP if LNOQ is a
shanewyatt

5

3437

22 Nov 2016, 12:37

10
ER
 If P and Q represent the hundreds and tens digits, ..x=8PQ2.
goodyear2013

9

3439

03 Aug 2016, 06:56

11
ER
 If wx = y, then what is the value of xy?
jonblazon

10

3441

24 Jan 2017, 18:13

3
ER
 Is pqr > 0 ?
kobi90

12

3442

06 Jul 2017, 20:23

9
ER
 If ab ≠ 0, does a=b?
gmattokyo

17

3445

10 Sep 2017, 11:39

1
ER
 Is K an integer? (1) K=P/Q, where P and Q are consequtive
stolyar

10

3445

28 Jul 2016, 19:45

13
ER
 Is x^2 * y^5 * z>0 ?
bibha

11

3446

12 Apr 2017, 16:23

9
ER
 Is the integer k divisible by 4?
r019h

14

3447

26 Jan 2017, 06:18

36
ER
 If the drama club and music club is combined, what percent
mydreambschool

10

3448

12 Feb 2017, 01:05

12
ER
 Is x > 0?
yezz

12

3448

23 Nov 2014, 05:48

10
ER
 If xy = – 6, what is the value of xy(x + y)? (1) x – y = 5
myfish

7

3450

05 May 2017, 07:24

8
ER
 What is the hundredths digit of the decimal m ?
tatane90

11

3452

19 Nov 2016, 01:41

27
 If a and b are two integers such that a is even, b is odd an
guerrero25

15

3453

24 May 2017, 23:54

8
ER
 If N is a positive integer, is N! divisible by 14 ?
neelesh

7

3456

12 Apr 2016, 20:27

10
ER
 Is xy < 6?
Bunuel

4

3457

31 Mar 2017, 06:13

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