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# Data Sufficiency (DS)

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Announcements

286
ER
 150 Hardest and easiest questions for DS   Tags:
Bunuel

9

38304

24 Aug 2017, 21:58

642
ER
 DS Question Directory by Topic and Difficulty   Tags: Coordinate Geometry
bb

0

182282

07 Mar 2012, 08:58

Topics

32
ER
 The cost C, in dollars of producing x units of a certain commodity is
inakihernandez

8

8533

09 Oct 2017, 06:44

6
ER
 What is the hundreds digit of the integer z?
naaga

10

7726

09 Oct 2017, 06:08

2
ER
 If P and Q are integers and P^Q
nkmungila

1

157

09 Oct 2017, 04:12

5
ER
 What is the greatest common factor of the positive integers j and k?
Bunuel

5

915

09 Oct 2017, 03:29

6
ER
Bunuel

6

299

09 Oct 2017, 02:38

11
ER
 Two friends, X and Y start from two points M and N and move towards
Bunuel

11

709

09 Oct 2017, 01:57

3
ER
 Bill and Sally see each other across a field. They are 500 feet apart.
Bunuel

7

256

09 Oct 2017, 00:50

ER
 Is the area of the triangle ABC ≥ 24 ? 1) Two of the Sides of the tri
GMATinsight

1

126

08 Oct 2017, 21:56

17
ER
 Does P have a factor X where 1
manpreetsingh86

8

1923

08 Oct 2017, 21:01

19
ER
 Is |x| < 1 ?
Reni

5

1990

08 Oct 2017, 20:06

2
ER
 x > 10?
vitorpteixeira

4

270

08 Oct 2017, 19:39

2
ER
 If |2x| > |3y|, is x > y?
vitorpteixeira

5

324

08 Oct 2017, 19:25

1
ER
 What is the median of 3 consecutive integers? 1) The product of the in
MathRevolution

3

174

08 Oct 2017, 18:02

1
ER
 If n is an integer, is (n-1)(n+1) a multiple of 24?
MathRevolution

2

157

08 Oct 2017, 18:00

20
ER
 For each customer, a bakery charges p dollars for the first
dwag

13

9688

08 Oct 2017, 13:55

34
ER
 What is the value of x? 1) x^2 + x + 10 = 16 2) x = 4y^4+2y^2+2
GMAT4937

12

4342

08 Oct 2017, 13:51

6
ER
 If x, y and z are different integers, is x divisible by 11?
Bunuel

3

633

08 Oct 2017, 12:53

4
ER
 Of the birds in a particular aviary, 30 are both spotted and
xhimi

3

5497

08 Oct 2017, 11:47

27
ER
 In the figure ,small circel with radius r intersects larger
AnkitK

13

7358

08 Oct 2017, 10:11

13
ER
 In College X the number of students enrolled in both a
Bunuel

14

13481

08 Oct 2017, 09:03

7
ER
 On Monday morning a certain machine ran continuously at a
yogachgolf

9

6040

08 Oct 2017, 08:40

2
ER
 What is a–b? (1) a^3 – b^3 = 117 (2) a^2 + ab + b^2 = 39
Bunuel

2

147

08 Oct 2017, 08:17

 Austin and Erica together sold 100 tickets for the play. How many of
pushpitkc

2

141

08 Oct 2017, 07:43

3
ER
 How many kiloliters of water are in a reservoir?
Bunuel

9

1059

08 Oct 2017, 05:53

10
ER
 If a and b are positive, is (a^(-1) + b^(-1))^(-1) less than (a^(-1)*b
ajit257

5

9918

08 Oct 2017, 05:41

2
ER
 What is the value of y ?
kunal1608

9

273

08 Oct 2017, 04:33

12
ER
 Can the positive integer n be written as the sum of two
monikaleoster

14

10356

08 Oct 2017, 04:21

7
ER
 If x^2 − kx + 24 = 0, is x = −6?
kinjiGC

5

2201

08 Oct 2017, 03:14

1
 Set X and set Y have 10 numbers each. Is standard deviation of set X

3

175

07 Oct 2017, 23:19

73
ER
 If m and r are two numbers on a number line, what is the
msunny

24

7227

07 Oct 2017, 22:43

ER
 Is a three-digit integer x divisible by 6?
Bunuel

3

179

07 Oct 2017, 22:40

8
ER
 During a one day sale, a store sold each sweater of a
sandranjeim

4

2989

07 Oct 2017, 17:04

2
ER
 If c is a positive integer less than 10 and n = 9446 + c, then what is
Bunuel

9

1481

07 Oct 2017, 16:04

86
ER
 In the decimal representation of x, where 0 < x < 1, is the
udaymathapati

11

6610

07 Oct 2017, 15:00

5
ER
 If 2.5 < x < 4.5, is the tenths digit of the decimal representation of
Bunuel

3

1289

07 Oct 2017, 14:48

7
ER
 If n and y are positive integers and n represents the number
WishMasterUA

8

3715

07 Oct 2017, 11:51

4
 Is positive integer N divisible by 3?
silver870

6

5566

07 Oct 2017, 10:39

2
 Is 1/s=(s^2)*(t/u)?
hazelnut

4

405

07 Oct 2017, 10:39

ER
 If x is an integer, is (3x - y)^(1/2) = (2x - 2y)^(1/2) ?
Bunuel

5

205

07 Oct 2017, 10:25

1
ER
 If x is an integer, is (3x - y)^(1/2) = (2x - 2y)^(1/2) ?
Bunuel

3

164

07 Oct 2017, 10:14

35
ER
 Is x divisible by 30?
enigma123

11

5319

07 Oct 2017, 10:12

3
ER
 Does (x^2 - y^2)^(1/2) = x + y?
Bunuel

2

137

07 Oct 2017, 09:30

44
ER
 If m is a positive integer, then m^3 has how many digits?
Bunuel

9

5334

07 Oct 2017, 05:29

45
ER
 If r – s = 3p , is p an integer? (1) r is divisible by 735
enigma123

14

7468

07 Oct 2017, 04:49

11
ER
 In the equation x^2+bx+c=0, b and c are constants, and x is
idinuv

3

5193

07 Oct 2017, 02:41

141
ER
 The sum of the integers in list S is the same as the sum of   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Statistics and Sets Problems,  Source: GMAT Prep
Apex231

33

25166

07 Oct 2017, 00:12

4
 If a jar of candies is divided among 3 children, how many candies did
duahsolo

3

586

07 Oct 2017, 00:10

1
ER
 If 18 < x < 68, is the integer x even?
Bunuel

6

562

06 Oct 2017, 23:41

26
ER
 x^n = x^(n+2) for any integer n. Is it true that x > 0?
viktorija

7

1555

06 Oct 2017, 23:01

6
ER
 Is the positive integer x even?
Bunuel

5

1344

06 Oct 2017, 20:35

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