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# Data Sufficiency (DS)

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18 Nov 2018, 23:54

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528

06 Oct 2018, 22:29

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387
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 150 Hardest and easiest questions for DS   Tags:
Bunuel

11

59382

30 May 2018, 21:47

823
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 DS Question Directory by Topic and Difficulty
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239045

07 Mar 2012, 07:58

Topics

6
ER
 What is the standard deviation of the terms in set N?
Bunuel

5

2644

23 Sep 2016, 01:48

4
ER
 Fiona picks 30 apples and puts them in her basket. The apples have eit
Bunuel

8

862

21 Sep 2016, 21:11

4
ER
 What is the value of Pamela's Porsche?
Bunuel

3

729

21 Sep 2016, 20:18

4
ER
 In a certain Asian studies class, the number of students that have not
Bunuel

2

672

21 Sep 2016, 16:13

1
ER
 If a and b are integers, and m=a+b, is m divisible by 9?
Bunuel

3

885

21 Sep 2016, 06:33

2
ER
 At a certain hotel, every room has air conditioning or cable TV
GMATPrepNow

3

863

21 Sep 2016, 02:04

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

4

2083

20 Sep 2016, 14:01

5
ER
 What is the perimeter of right triangle ABC? (1) AB = 5 (2)
dreambeliever

10

3298

20 Sep 2016, 07:25

4
ER
 If |r| is not equal to 1, is integer r even?
enigma123

10

2450

20 Sep 2016, 05:24

9
ER
 What is the area of triangle with sides a, b and hypotenuse c?
Harley1980

3

1291

20 Sep 2016, 05:00

1
ER
 x, y, a, and b are four positive integers. D is the greatest common
Bunuel

4

853

19 Sep 2016, 13:41

ER
 Is √x an integer?
Bunuel

6

826

19 Sep 2016, 10:05

3
ER
 Is ax = 6 - bx ?
avohden

6

2134

19 Sep 2016, 08:51

9
ER
 Is x > k?
udaymathapati

5

6288

19 Sep 2016, 06:28

2
 (x−2)(2+y)=? (1) x·y=6 (2) x+y=5
BlueRobin

10

3182

19 Sep 2016, 05:50

2
ER
 Every employee in a certain hospital works on the Day shift or on the
Bunuel

2

1003

19 Sep 2016, 05:24

12
ER
 Does line y = mx + c intersect X axis?
GMATD11

11

6676

19 Sep 2016, 04:42

4
ER
 At a two-candidate election for mayor, 3/4 of the registered
DeeptiM

10

4197

18 Sep 2016, 23:15

1
ER
 If each of a, b and c is positive, and a = 5b + 7c, what is
chiragatara

2

2859

18 Sep 2016, 19:31

2
ER
 What is the perimeter of triangle ADC?
Bunuel

1

874

18 Sep 2016, 10:57

4
ER
 If k = 13.abc6 where a, b and c each represent a digit, what is the
Bunuel

4

1854

18 Sep 2016, 10:41

2
ER
 If -3/4*x+3y-1/2=3/2*y-1/4*x what is the value of x?
arvindg

3

3018

18 Sep 2016, 09:10

14
ER
 What is the value of x^3 - y^3 ?
vivaslluis

9

2891

18 Sep 2016, 09:07

6
ER
 If xy does not equal 0, what is the value of ((x^2)^3 y^4)/x
tonebeeze

6

3247

18 Sep 2016, 08:53

3
ER
 Is the slope of line q negative?
PathFinder007

8

2854

18 Sep 2016, 08:28

11
ER
 Is x^2-8x+15 = 0?
rxs0005

6

3141

18 Sep 2016, 08:24

11
ER
 If |x+2|=4, what is the value of x ?

5

13939

18 Sep 2016, 04:13

1
ER
 In the Triangle ABC has angles a, b c at vertex A B C respectively. Is
rxs0005

5

1759

17 Sep 2016, 12:37

2
ER
 If X and Y are two empty rectangular boxes each with a remov
TooLong150

2

1148

17 Sep 2016, 12:34

4
 If x ≠ 0, is |x| < 1? (1) x^2 < 1 (2) |x| < 1/2
banksy

4

2652

17 Sep 2016, 12:28

7
 Does the rectangle have an area less than 30?
yezz

8

2457

17 Sep 2016, 11:35

7
ER
 The midpoints of 3 sides of the triangle ABC are respectively D, E, F.
MathRevolution

3

4796

17 Sep 2016, 09:43

ER
 Does the product JKMN = 1?
paki

9

4779

17 Sep 2016, 07:05

1
 Is a>b? (1) 6b+a=50 (2) 6b+a>40
sjh

7

3137

17 Sep 2016, 06:49

1
ER
 If x + 2y + 1 = y - x, what is the value of x?
fiendex

4

4353

17 Sep 2016, 05:16

2
ER
 Does x = y? (1) x^2 - y^2 = 0 (2) (x - y)^2 = 0
Schawjibb

10

3270

16 Sep 2016, 17:00

10
ER
 a, b, c, and d are integers; abcd≠0
Runner2

11

6945

16 Sep 2016, 16:37

6
ER
 If pq ≠ 0, is x an integer?
ice t

8

3842

16 Sep 2016, 15:57

5
ER
 Is |x+3| > |2x+y| ? (1) x > 0 (2) y > 0
goodyear2013

3

1771

15 Sep 2016, 18:35

ER
 Q is a set of 7 integers. m and n are two of the numbers in Q. Excludi
Bunuel

4

724

15 Sep 2016, 11:06

6
ER
 If m and n are positive integers, and if p and q are differe
eybrj2

2

4334

15 Sep 2016, 08:53

3
ER
 In the trapezoid ABCD, what is the area of triangle ABC?
Bunuel

9

2455

15 Sep 2016, 05:28

9
ER
 If m and n are positive integers. What is the units digit of
gepetow

4

2013

15 Sep 2016, 02:52

2
ER
 If x - y > 10, is x y > x + y ?
msand

4

1912

15 Sep 2016, 02:50

ER
 What is the average (arithmetic mean) monthly salary of a worker in Qu
Bunuel

3

754

14 Sep 2016, 22:59

6
ER
 Is |x| > |y| ?
xALIx

8

3371

14 Sep 2016, 22:44

1
ER
 Is |a| = b c? (1) c = a + b (2) a<0 If a is less than 80%
shekar123

4

3132

14 Sep 2016, 11:57

3
ER
 Is x > 0? (1) |7x| > 17x (2) |x + 7| > 0

4

1304

14 Sep 2016, 07:12

ER
 Dennis cooks dishes in three colors - red, white and yellow. If Norman
Bunuel

1

1254

14 Sep 2016, 06:08

3
ER
 If m and z are integers, is z divisible by 11 ?
rxs0005

6

2492

14 Sep 2016, 05:58

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