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# Data Sufficiency (DS)

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

9

38325

24 Aug 2017, 21:58

643
ER
 DS Question Directory by Topic and Difficulty   Tags: Coordinate Geometry
bb

0

182405

07 Mar 2012, 08:58

Topics

12
ER
 If k is an integer and m > 0, is 2^k + 3^k = m ?
rjkaufman21

7

2239

10 Oct 2017, 09:35

20
ER
 What is the value of x?
nave

11

3506

10 Oct 2017, 09:12

15
ER
 The sum of positive integers x and y is 77, what is the
ustureci

7

4102

10 Oct 2017, 08:56

4
ER
 Is x = 1/y?
Bunuel

5

3645

10 Oct 2017, 08:54

1
ER
 If b > a > 0, then a is what percent of b?
Bunuel

2

462

10 Oct 2017, 08:20

4
ER
 On January 1, 2003, Jack invested \$5,000 at r percent interest ra
YAObolt

3

569

10 Oct 2017, 08:00

3
ER
 The total amount that John paid at a certain restaurant
garsoltero

2

1403

10 Oct 2017, 07:49

17
ER
 Water is pumped into a partially filled tank at a constant
Bunuel

7

10228

10 Oct 2017, 07:48

1
ER
 If Bob, working alone, can paint a certain room in 3 hours, how long
Bunuel

3

1538

10 Oct 2017, 07:03

23
ER
 In the xy-plane, does the line with the equation y=2x-4
Skientist

11

3985

10 Oct 2017, 05:45

22
ER
 A certain box contains only blue (b), green (g) and red(r)
atalpanditgmat

9

2958

10 Oct 2017, 05:35

1
ER
 If a, b, and c are positive integers, is b = ac^(-1/2)
Bunuel

3

128

10 Oct 2017, 05:00

2
ER
 What is the surface area of a certain rectangle solid?
MathRevolution

5

740

10 Oct 2017, 03:37

ER
 If r and s are nonzero integers, is r/s an integer ?
Bunuel

2

148

10 Oct 2017, 02:14

6
ER
 Is |x| > 10?
chetan2u

9

309

10 Oct 2017, 01:52

1
ER
 If xy = 7, what is xy(x + y)^2 ?
Bunuel

1

96

10 Oct 2017, 01:31

3
ER
 If x ≠ y, is 1/(x - y) < y - x?
rxs0005

6

1690

10 Oct 2017, 00:25

ER
 If x is an integer and x > 1, is x equal to 13?
nkmungila

1

81

10 Oct 2017, 00:22

112
ER
 A certain salesman's yearly income is determined by a base salary plus
devinawilliam83

19

15691

09 Oct 2017, 23:27

8
ER
 Set S has six numbers and their average (arithmetic mean) is 32. What
MathRevolution

4

511

09 Oct 2017, 19:51

13
ER
 For the integers m, n, r, and s, if m + n = 250 and m > n, is (m – r)
Bunuel

10

2172

09 Oct 2017, 18:39

8
ER
 Is 3^n > 2^k ?
Bunuel

5

890

09 Oct 2017, 17:36

3
ER
 If y = 2(x+1) what is the value of x + y?
Bunuel

4

1017

09 Oct 2017, 13:48

60
ER
 A certain high school with a total enrollment of 900 student
Bunuel

6

11933

09 Oct 2017, 12:21

61
ER
 What is the ratio of the average (arithmetic mean) height of

11

15743

09 Oct 2017, 11:27

1
ER
 What is the value of positive integer x?
Bunuel

2

180

09 Oct 2017, 10:19

10
ER
 Is x^2 greater than x?
jscott319

17

13798

09 Oct 2017, 09:55

ER
 Of the people who attended a company meeting, 60% were stockholders an
Bunuel

2

140

09 Oct 2017, 09:33

10
ER
 Hoses X and Y simultaneously fill an empty swimming pool tha
Bunuel

10

6350

09 Oct 2017, 08:16

ER
 If the operation is defined by xy=ax+by (a and b are
MathRevolution

4

220

09 Oct 2017, 08:09

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

8

8562

09 Oct 2017, 06:44

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

10

7727

09 Oct 2017, 06:08

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

1

160

09 Oct 2017, 04:12

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

5

917

09 Oct 2017, 03:29

6
ER
Bunuel

6

302

09 Oct 2017, 02:38

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

11

711

09 Oct 2017, 01:57

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

7

258

09 Oct 2017, 00:50

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

1

132

08 Oct 2017, 21:56

17
ER
 Does P have a factor X where 1
manpreetsingh86

8

1926

08 Oct 2017, 21:01

19
ER
 Is |x| < 1 ?
Reni

5

1997

08 Oct 2017, 20:06

2
ER
 x > 10?
vitorpteixeira

4

278

08 Oct 2017, 19:39

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

5

326

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

9698

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

4348

08 Oct 2017, 13:51

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

3

636

08 Oct 2017, 12:53

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

3

5503

08 Oct 2017, 11:47

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

13

7366

08 Oct 2017, 10:11

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

14

13488

08 Oct 2017, 09:03

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