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# Data Sufficiency (DS)

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280
ER
 150 Hardest and easiest questions for DS   Tags:
Bunuel

9

37126

24 Aug 2017, 21:58

629
ER
 DS Question Directory by Topic and Difficulty   Tags: Coordinate Geometry
bb

0

179003

07 Mar 2012, 08:58

Topics

1
ER
 If f(a + b) = f(a) + f(b), what is the value of f(5)?
Bunuel

3

253

10 Jul 2017, 06:09

1
ER
 In the trapezoid above with height x, the sides with measures y and z
Bunuel

1

221

06 Jun 2017, 11:23

3
ER
 In a certain mixture of oil and vinegar, additional vinegar was added
Bunuel

3

521

28 Feb 2017, 11:54

20
ER
 If n is an integer between 2 and 100 and if n is also the sq
Bunuel

14

4212

08 Feb 2017, 21:12

21
ER
 Michael arranged all his books in a bookcase with 10 books
Bunuel

11

3799

12 Dec 2016, 18:18

ER
 If a is a number less than zero and b is a number greater than zero,
Bunuel

3

472

09 Dec 2016, 00:45

1
ER
 Is a^3 > 20?
Bunuel

1

468

25 Jul 2016, 19:15

ER
 If m and n are positive integers, what is the value of p?
Bunuel

2

793

16 Mar 2016, 07:02

ER
 If the numbers l and m are both greater than 0, is l/m an integer?
Bunuel

4

589

10 Dec 2015, 01:24

1
ER
 Is y > -8? (1) y = 2013^2 - 155^3 - 23^4 (2) y > (2w - 3x - 1)^2 I
Bunuel

5

747

23 Sep 2015, 20:48

10
ER
 If y rounded to the nearest thousandth is .00x, is x > 2?
Bunuel

9

1370

13 Aug 2017, 04:38

3
ER
 The cost to charter a certain airplane is x dollars. If the 25 members
Bunuel

3

1665

26 Dec 2014, 09:40

ER
 What is the value of x/(yz) ?
Bunuel

2

120

10 Sep 2017, 08:21

1
ER
 If f(x) is a linear function, what is the value of f(2)?
Bunuel

1

191

10 Jul 2017, 05:37

5
ER
 A cafeteria offers seven types of sandwiches, each with a fixed price
Bunuel

2

605

17 Feb 2017, 17:31

8
ER
 Is the product of three consecutive integers negative?
Bunuel

9

3264

21 Feb 2017, 14:50

1
ER
 If x, y and z are positive, is x = y/z^2 ?
Bunuel

4

3168

01 Mar 2014, 05:33

16
ER
 Is x^2 greater than x ?
Bunuel

17

3484

26 Sep 2016, 11:50

ER
 If g is a prime number, is g – 2 a prime number?
Bunuel

3

354

09 Dec 2016, 01:53

ER
 A job opening was posted in September and again in January. In Septemb
Bunuel

1

357

25 Jul 2016, 12:05

1
ER
 What is the sum of the two smallest integers in a set of different pos
Bunuel

2

584

02 Aug 2016, 01:33

112
ER
 The sum of n consecutive positive integers is 45   Go to page: 1, 2, 3, 4, 5 Tags: Difficulty: Sub-600 Level,  Number Properties
Bunuel

92

51480

20 Sep 2017, 04:58

ER
 In the triangle above, which is greatest, p, q, or r?
Bunuel

1

546

07 Feb 2016, 18:56

1
ER
 What is the value of ab + bc ? (1) b = 5 (2) a + c = 8
Bunuel

5

1280

09 Dec 2015, 07:08

5
ER
 Is xy an integer?
Bunuel

6

953

19 Jan 2017, 16:31

14
ER
 Rick can solve x algebra problems per minute. Matt can solve y calculu
Bunuel

14

2026

22 Dec 2016, 08:36

ER
 A gym that sold only individual and family memberships charged \$500
Bunuel

1

97

10 Sep 2017, 06:17

3
ER
 A safari is held twice in a day either in the morning or in the evenin
Bunuel

4

345

17 Jul 2017, 02:30

57
ER
 Is 1/(a - b) > b - a ?   Go to page: 1, 2 Tags: Difficulty: 700-Level,  Absolute Values/Modules,  Inequalities,  Source: Official Guide
Bunuel

26

7266

26 Jan 2017, 19:27

10
ER
 A bookstore that sells used books sells each of its paperbac
Bunuel

10

6355

02 Apr 2017, 22:49

ER
 If b is a positive number, what is the value of (16 + b)/8 when rounde
Bunuel

2

299

09 Dec 2016, 01:04

9
ER
 What is the value of x^2 – y^2?
Bunuel

6

790

17 Jul 2017, 06:06

1
ER
 If a and b are positive integers, a is what percent of b ?
Bunuel

5

775

09 Dec 2015, 07:06

20
ER
 If mn < np < 0, is n < 1?
Bunuel

8

2292

28 Mar 2017, 18:39

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

1

92

10 Sep 2017, 04:56

7
ER
 In a certain institute, every student studies at least one of two subj
Bunuel

2

296

04 Sep 2017, 03:00

2
ER
 Quadrilateral WXYZ is inscribed in the circle above. What is the measu
Bunuel

6

544

08 Jun 2017, 10:03

2
ER
 If y = −1/2, is 2x/y > 1?
Bunuel

5

369

13 Feb 2017, 08:43

28
ER
 In the fraction x/y, where x and y are positive integers, wh
Bunuel

8

3657

30 Oct 2016, 23:51

52
ER
 The sequence s1, s2, s3, ..., sn, ... is such that Sn=1/n-
Bunuel

10

4191

23 Jul 2017, 12:55

ER
 If x and y are integers, what is the value of x?
Bunuel

3

373

12 Dec 2016, 04:47

ER
 If P and Q are both positive, what is the value of P?
Bunuel

2

584

30 Jul 2016, 05:09

5
ER
 If the ratio of brown cars to blue cars in a certain parking lot is 2:
Bunuel

6

797

03 Feb 2017, 03:50

ER
 What was the total amount John earned on his two investments?
Bunuel

4

483

09 Jul 2016, 01:59

2
ER
 How much revenue did a concert venue receive from the sale of 1500 tic
Bunuel

3

620

18 Apr 2017, 19:38

17
ER
 If F is the prime factorization of N!, how many factors in F have an e
Bunuel

15

3119

13 May 2017, 10:59

3
ER
 What is the value of x^4y^2 - x^4y^2 ?
Bunuel

7

1273

30 Mar 2015, 04:34

1
ER
 x is a nonzero number. Is xy < 0?
Bunuel

7

1258

19 Apr 2016, 15:06

10
ER
 If r, s, and t are all positive integers, what is the remainder of 2^p
Bunuel

6

2253

25 Sep 2017, 21:11

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

1

83

10 Sep 2017, 12:42

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