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# Data Sufficiency (DS)

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

9

38294

24 Aug 2017, 21:58

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

0

182242

07 Mar 2012, 08:58

Topics

3
ER
 If n is a positive integer and p = 3.021 × 10n, what is the value of n
Bunuel

1

114

12 Oct 2017, 08:25

 If y is a positive integer, what is the units digit of y?
csaluja

1

115

30 Sep 2017, 20:08

 If x is an even integer and y is an odd integer, then which
Gnpth

1

115

17 Jul 2017, 11:55

1
ER
 Is xy<15? 1) x<3 2) y<5
MathRevolution

2

116

05 Oct 2017, 03:12

1
ER
 If ab > 0, is ab^2 > 0 ?
MathRevolution

3

116

18 Oct 2017, 03:13

1
 If p,q and r are positive numbers, does q lie between p and r on the
pushpitkc

1

116

21 Sep 2017, 03:14

1
 The table above shows the responses of 100 consumers to a taste test i
aashaybaindurgmat

1

117

14 Oct 2017, 22:33

1
 Is x greater than y ?

2

118

19 Oct 2017, 13:32

ER
 If n is a positive integer, is 3^n+3^8 divisible by 4?
MathRevolution

3

118

20 Oct 2017, 01:07

2
 What is the value of x^2 - 2x - 14?
khalid228

1

119

11 Oct 2017, 23:24

ER
 How much money is saved by buying a box of a dozen donuts instead of 1

2

120

05 Oct 2017, 22:37

 If y is a positive integer, what is the units digit of y?
csaluja

1

121

29 Sep 2017, 20:01

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

1

123

08 Oct 2017, 21:56

ER
 If p and q are not 0, what is the value of p^3*q^3 ?
nkmungila

3

123

20 Oct 2017, 03:01

1
ER
 Is x
sahil5695

1

123

01 Oct 2017, 13:42

ER
 William was shopping for flour at Little Rock Deli and Grocery, which
Bunuel

2

125

03 Oct 2017, 05:16

ER
 If m/n = 1/2, what is the value of m + n ?
Bunuel

1

126

12 Sep 2017, 07:06

1
ER
 If the total weight of d equally weighted objects is 40 pounds, how
Bunuel

2

126

03 Oct 2017, 23:15

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

3

127

10 Oct 2017, 05:00

ER
 What is the value of x^2 – y^2 ? (1) x^2 + y^2 = 2xy (2) x = | y |
Bunuel

1

128

02 Oct 2017, 01:14

1
ER
 If r and s are both less than 1, is r^2 + s^2 > 1 ?
Bunuel

1

128

02 Oct 2017, 02:52

1
ER
 Of the 90 houses in a certain community, 60 have a garden. How many
pushpitkc

2

129

16 Oct 2017, 21:05

ER
 If a, b are positive integers, is a/b a terminating decimal?
MathRevolution

2

131

16 Oct 2017, 07:13

1
ER
 Does x/n(s^2 + n^2 + t^2) = xn + yt + zs?
Bunuel

1

131

10 Sep 2017, 04:56

ER
 What is the median value of 5 data? 1) The first 3 smallest data are 1
MathRevolution

2

133

06 Oct 2017, 02:40

ER
 If rs ≠ 0, is t an integer? (1) t = 3r – 2s (2) r = s
Bunuel

2

133

12 Oct 2017, 23:58

ER
 What is the value of a + b? (1) a^2 + b^2= 9 – 2ab (2) a = 4 + b
Bunuel

1

133

10 Sep 2017, 12:42

ER
 Vilasinee's Video Vault assesses fees for overdue movies according to
Bunuel

1

134

05 Oct 2017, 01:10

ER
 If 5x + 3y – 4 = 3x + y, what is x ? (1) y^2 = 1 (2) x + y = 2
Bunuel

1

136

12 Sep 2017, 07:13

 A shopping center increased its revenues by 10% between 2010 and 2011.

1

136

17 Sep 2017, 12:05

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

2

136

07 Oct 2017, 09:30

 If the product of j and k does not equal zero, is j<0 and k>0?

2

136

24 Sep 2017, 15:13

ER
 What is the value of n^2/(x + n)?
Bunuel

1

138

12 Sep 2017, 08:00

ER
 Is the mean of set Q greater than its median
saswata4s

3

138

30 Sep 2017, 03:45

3
ER
 What is the value of x? (1) x^6 = 729 (2) x^5 < x^4
Bunuel

3

138

13 Oct 2017, 11:19

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

2

138

09 Oct 2017, 09:33

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

2

140

08 Oct 2017, 07:43

2
ER
 What is the value of |x - y|?
Bunuel

3

140

11 Oct 2017, 13:53

1
ER
 If x + y = 7, what is the value of xy(x – y)?
Bunuel

3

142

11 Oct 2017, 01:28

ER
 A digital camera salesman earns a commision of \$12 per camera for the
Bunuel

1

143

22 Mar 2017, 03:39

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

2

143

10 Oct 2017, 02:14

ER
 If the Lincoln Library's total expenditure for books, periodicals, and
Bunuel

2

143

05 Sep 2017, 00:32

1
ER
 A certain highway has exits A, B, C, and D in that order. What is the
Bunuel

4

144

13 Oct 2017, 08:18

1
 Allen and Chris founded a company in 1990. In which year did the compa

1

145

05 Sep 2017, 11:16

ER
 In how many ways can N! be written as the product of 2 integers?
gmatsam123

1

146

29 Aug 2017, 21:48

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

2

146

08 Oct 2017, 08:17

1
ER
 Is the length of the longest line that can be drawn inside a cube grea
Bunuel

1

146

24 Jul 2017, 18:41

1
 For integers w, x, y, and z, is wxyz = -1? (1) wx / yz = -1 (2) w = -1

1

146

22 Sep 2017, 11:29

ER
 A group of high school people all born in the same year attended
sananoor

1

147

19 Jul 2017, 06:15

3
 If p ≤ q ≤ r ≤ s, is p ≥ 30 ?
petrified17

1

148

19 Sep 2017, 07:49

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