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# Data Sufficiency (DS)

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

9

39833

24 Aug 2017, 21:58

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

0

186956

07 Mar 2012, 08:58

Topics

1
 Are l1 and l2 parallel?
jrpf08

3

553

08 Sep 2017, 07:11

2
 Is the integer P odd?
jrzayev001

5

1643

27 Oct 2013, 15:43

21
ER
 E, F, G, and H are the vertices of a polygon. Is polygon EFGH a square
jscott319

11

8097

06 Sep 2017, 19:33

5
ER
 If d is a positive integer is d^1/2 an intger
jscott319

8

3901

08 Jun 2017, 07:13

 What percent of x is 3/4?
jscott319

2

1693

11 Dec 2010, 21:18

10
ER
 Is x^2 greater than x?
jscott319

17

14249

09 Oct 2017, 09:55

23
ER
 Is X between 0 and 1 ? (1) x^2 is less than x (2) x^3 is   Go to page: 1, 2 Tags: Difficulty: Sub-600 Level,  Inequalities,  Source: Official Guide
jscott319

22

8060

30 Oct 2017, 21:29

7
ER
 Is k the square of an integer?
jsphcal

4

2102

29 Jan 2016, 04:42

7
ER
 What is the value of x?
jsphcal

5

1592

25 Apr 2017, 10:54

4
ER
 Does ab= a^2
jsphcal

8

2545

29 Jan 2016, 04:54

1
ER
 If xy=-18, is x less than y?
jsphcal

5

3861

07 Apr 2013, 06:31

ER
 Is the number n an integer?
jsphcal

3

1645

19 Mar 2015, 21:04

1
 Is the largest of three consecutive integers odd?
jsphcal

3

1935

09 Sep 2017, 03:55

2
ER
 What is the value of the positive integer m?
jsphcal

2

1406

29 Nov 2012, 02:56

1
ER
 How many positive prime numbers are less than the integer n?
jsphcal

4

4049

30 Sep 2014, 10:41

8
ER
 What is the value of (x + y)^2
jsphcal

10

1692

14 Jul 2017, 10:31

5
 In a certain two-digit integer, the ratio of the units digit
jsphcal

10

3202

17 Mar 2017, 12:13

4
ER
 S is a set of integers such that i) if a is in S, then –a is
ju_1

3

3500

30 Jul 2012, 06:36

4
ER
 If Bob produces 36 or fewer items in a week, he is paid X dollars per
judokan

6

3752

05 Jan 2015, 05:34

10
ER
 What is the sum of the digits of the positive integer n
judokan

5

6227

05 Sep 2014, 22:02

6
 Set X consists of 8 integers. Is the standard deviation of
judokan

5

3233

20 Aug 2016, 21:41

14
ER
 If xyz ≠ 0, is x(y + z) >= 0?
judokan

8

4327

08 Feb 2014, 02:11

7
ER
 Is d negative?
jumli

10

2188

22 Jul 2017, 13:18

3
ER
 Is x y = y x, for all real values of x and y?
jusjmkol740

11

1998

23 Feb 2017, 03:47

18
ER
 If x not equal to (-y), then is (x-y)/ (x + y) > 1
jusjmkol740

16

6257

10 Nov 2016, 00:35

2
ER
 A certain company currently has how many employees?
justtapas

5

2600

14 Jul 2017, 15:53

7
ER
 In a party, 70% of the people like at least one of two type of drinks:
jyotibrata

5

936

05 Jun 2016, 03:18

16
ER
 Is the natural number n a multiple of 40?
jyotibrata

5

989

13 Jul 2017, 00:31

10
ER
 total of 50 students from school A and B participated in exactly one
jyotibrata

8

1234

31 Aug 2017, 14:14

8
ER
 In triangle ABC (figure shown) drawn on a coordinate plane, A, B and C
jyotibrata

7

1315

09 May 2017, 18:14

11
ER
 Is x < y ?
kabilank87

12

7057

04 Feb 2017, 04:22

34
ER
 In xy-coordinate plane, the slope of line L is 3/4. Does lin
kabilank87

13

9150

31 Jan 2017, 18:42

3
ER
 If m and n are positive integers, is m^n < n^m ?

10

1883

05 Oct 2011, 09:28

3
ER
 At a certain picnic, each of the guests was served either a single

9

1882

19 Jun 2016, 09:39

17
ER
 The road between town A and town B is 500 miles long. John drove direc
kahipz

6

1360

13 Sep 2017, 00:11

73
ER
 Guests at a recent party ate a total of fifteen hamburgers.
kairoshan

13

16952

25 Oct 2017, 07:31

4
ER
 Is x < z?
kairoshan

4

4997

04 Oct 2016, 00:57

2
ER
 If x + 2y = z, what is the value of x?
kairoshan

8

9642

08 Sep 2017, 20:32

51
ER
 If r + s > 2t, is r > t ? (1) t > s (2) r > s
kairoshan

8

12157

30 Aug 2017, 13:48

1
ER
 The useful life of a certain piece of equipment is
kairoshan

5

8583

05 May 2013, 04:21

51
ER
 If x, y, and z are integers, and x < y < z, is z y = y
kairoshan

19

6116

22 Aug 2017, 11:15

38
ER
 If x^2/9 – 4/y^2 = 12, what is the value of x?
kairoshan

9

10160

11 Sep 2017, 20:40

7
ER
 Is the number of seconds required to travel d1 feet at r1
kajolnb

6

1897

11 May 2016, 16:14

9
ER
 If a group of 5 skilled workers take 3 hours to finish a job
kalita

5

5372

11 Oct 2016, 06:19

19
ER
 If x is not equal to y and if √x = y, what is the value of y   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Algebra,  Source: Manhattan GMAT
kamalkicks

22

3252

08 Sep 2017, 20:05

1
 9 @7 In the decimal above, and @ represent single digits.
kamalkicks

2

2259

21 Apr 2011, 22:26

23
ER
 x and y are positive integers, is x=y ?
kamathimanshu

18

2976

10 Apr 2016, 01:18

6
ER
 Is x = y?
kamathimanshu

6

1640

05 Apr 2017, 11:50

1
ER
 How much nitrogen is needed in the mixture used by a lawn maintenance
kanigmat011

6

1459

28 Sep 2016, 07:57

ER
 Who types at a faster rate, John or Bob?
kanigmat011

1

1582

02 Mar 2015, 19:24

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