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# Data Sufficiency (DS)

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

9

39665

24 Aug 2017, 21:58

656
ER
 DS Question Directory by Topic and Difficulty   Tags: Coordinate Geometry
bb

0

186480

07 Mar 2012, 08:58

Topics

3
ER
 If the average of four distinct positive integers is 60
AbhiJ

11

3913

25 Feb 2017, 16:25

27
ER
 A trapezoid is symmetrical about a vertical center line. If   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Geometry,  Source: Manhattan GMAT
AbhiJ

20

5382

13 Sep 2017, 13:08

22
ER
 Is x > y ?
AbhiJ

13

7295

02 Sep 2017, 02:48

11
ER
 Is x>0? 1) x^2=9x 2) x^2=81
Abrax99

5

1841

16 Jul 2017, 11:52

50
ER
 In the figure above, SQRE is a square, AB = AC, and AS = AQ.   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Geometry,  Source: Manhattan GMAT
AccipiterQ

22

8894

27 Jul 2017, 12:22

50
ER
 In the figure above, the circles are centered at O(0, 0) and
AccipiterQ

15

9366

17 Jun 2017, 13:10

6
ER
 Rectangle ABCD is inscribed in circle P. What is the area of
AccipiterQ

6

5245

05 Sep 2017, 16:25

4
ER
 The point A, B, C, and D are on the number line, not necessa
Accountant

11

11218

27 May 2014, 07:44

9
ER
 If n is a positive integer and r is the remainder when (n-1)(n+1) is
Accountant

8

5361

23 Aug 2015, 04:34

36
ER
 The sequence a1, a2, a3, ..., an of n integers is such that
Accountant

16

17578

10 May 2017, 21:47

27
ER
 Each employee of a certain task force is either a manager or
Accountant

18

11585

01 Nov 2013, 01:15

29
ER
 In the figure above, PQRS is a square and AB = AC. Is the area of tria

11

6414

28 May 2017, 14:05

 What is the area of circle ? (1) The ratio of the
Aj85

5

2048

17 Oct 2011, 14:14

6
ER
 If a is not equal to zero, is 1/a > a / (b^4 + 3) ? (1)   Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Inequalities,  Poor Quality,  Source: Manhattan GMAT
Aj85

33

5551

09 Sep 2013, 04:27

17
ER
 Is Z an integer?
AjChakravarthy

9

1901

27 Mar 2015, 11:24

27
 What is the value of x given that |x - y| = |x - z|
AkamaiBrah

14

3784

12 Sep 2016, 21:20

1
 Is x the square of an integer? (1) x = 12k + 6, where k is a   Tags:
AkamaiBrah

4

2258

20 Mar 2011, 07:45

178
ER
 If x, y and z are integers and xy + z is an odd integer, is
Aleehsgonji

19

19536

26 May 2017, 09:25

6
 What is the value of r?
Alexey1989x

5

613

19 May 2017, 11:14

 Ann and Bob planted trees on Friday. What is the ratio of
Alterego

1

2462

06 Jul 2012, 14:00

17
ER
 A certain IT department of fewer than 15 people hires coders
Alterego

13

3334

17 Oct 2017, 07:55

7
ER
 Danny purchased a number of grease pumps of only two
Amateur

6

4473

13 Jul 2017, 08:01

4
ER
 If a and b are integers, and m is an even integer, is ab/4
Amateur

5

2531

07 Oct 2016, 03:38

11
 Coach Jackson will choose at least two players for his team from those
Amby02

4

721

09 Jan 2017, 23:26

2
ER
 The sum of the elements in set A is 700. Is the the number of elements
Amby02

1

302

17 Jul 2017, 06:10

1
ER
 In school V, all students must take at least one of Mathematics, Physi
Amby02

2

438

12 Jan 2017, 22:42

2
ER
 If ab - 2b = (4 - a)b, what is the value of b?
Amby02

3

532

14 Jan 2017, 08:01

6
 At a certain state university last term, there were p
Amit05

8

3834

12 Apr 2016, 13:27

15
ER
 What is the value of ab?
Amit0507

9

2097

24 Aug 2017, 09:55

17
ER
 Is the standard deviation of a certain set greater than 5,000?
AmitGoyalJamboree

10

2117

27 Mar 2017, 13:12

15
ER
 Is |x−z−y|>x−z+y?
AmoyV

5

2068

08 Mar 2017, 22:08

9
ER
 x is a positive integer less than 20. What is the value of x?
AmoyV

8

2995

26 Oct 2017, 01:36

 What is the area of the triangle PQR inscribed in rectangle ABCD?
Anandmach08

1

706

28 Sep 2015, 01:37

7
 In the equation x^2 + bx + 7= 0, where x is a variable, and b is a con
AnanyaSachdev

2

461

21 Sep 2017, 12:57

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

1

1046

25 Aug 2013, 16:12

1
ER
 Given 2M^2 + N^2=27, what is the value of M?
Anasarah

3

2078

19 Apr 2017, 13:24

2
 Is 1/(x-y) < (x-y)?
Anasthaesium

7

1782

09 Aug 2016, 10:10

2
ER
 Is 20 the average (arithmetic mean) of u, v, w, and 20?
AndreG

6

1817

11 Aug 2017, 03:45

14
ER
 If |a - b| = |b - c| = 2 , what is |a - c| ?
AndreG

10

2428

01 Jul 2017, 16:03

13
ER
 If it took a bus 4 hours to get from town A to town B, what
AndreG

10

4985

10 Dec 2012, 20:18

44
ER
 The sum of 4 different odd integers is 64. What is the value of the
AneesShaik

8

4314

12 Oct 2017, 07:01

3
ER
 How likely is a bird to be classified as positive?
Anichka

8

3502

05 Aug 2016, 08:00

7
ER
 If xy < 3, is x < 3 ?
Ankit04041987

11

3232

30 Jul 2017, 17:46

3
ER
 what is x? A.|x|<2 B.|x|=3x-2   Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Inequalities,  Source: GMAT Prep
AnkitK

20

3569

10 Jul 2011, 03:18

1
ER
 What is the value of y?
AnkitK

11

1861

07 Mar 2016, 10:29

 If 2 elemenst are dropped from setX{-10,-8,0,6,7},what will
AnkitK

6

1621

24 Mar 2011, 02:34

2
ER
 If x and y are both integers, which is larger, x^x or y^y?
AnkitK

7

1929

08 Sep 2013, 06:04

 If Burgervelle college is graduating and equal no of 4 yr
AnkitK

6

3066

03 Nov 2011, 11:24

 Is a=b? 1. x=y 2.c=x   Tags: Geometry,  Source: Kaplan
AnkitK

1

1239

16 Jun 2011, 04:18

4
ER
 A certain student sold exactly 40% of all the tickets sold
AnkitK

12

2656

30 Oct 2015, 19:10

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