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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

2
ER
 There are N men in a group. Their average age is 20 years. Find N.
Mesto

2

592

24 Feb 2016, 22:34

9
ER
 What is the value of n?
Bunuel

13

2134

24 Feb 2016, 21:55

5
ER
 Is x > 0 ?
JusTLucK04

6

1308

24 Feb 2016, 21:50

2
ER
 Is x > 0?
aniketb

5

1359

24 Feb 2016, 21:04

6
 Is 2ab > ab ?
summer101

2

1635

24 Feb 2016, 20:52

4
ER
 Is the positive integer x greater than the positive int y?
deepaRajan

3

1205

24 Feb 2016, 16:28

7
ER
 What is the value of x ?
guerrero25

8

2109

24 Feb 2016, 12:57

4
ER
 In the figure above, what is the value of b?
Bunuel

3

805

23 Feb 2016, 19:28

6
ER
 If l1 and l2 are distinct lines in the xy coordinate system such that
Bunuel

5

909

23 Feb 2016, 18:55

ER
 Is v^2 an even integer?
Bunuel

2

519

23 Feb 2016, 18:51

28
ER
 If x and y are non-zero integers and |x| + |y| = 32, what is
lbsgmat

17

6083

23 Feb 2016, 15:56

2
ER
 What is x?
aquax

4

1453

23 Feb 2016, 15:45

4
ER
 What is the value of st/u?
Bunuel

4

1155

23 Feb 2016, 12:26

ER
 If 12 > 8.5 > x > y > z, what is the value of z?
Bunuel

2

748

23 Feb 2016, 06:01

ER
 In the figure above, if lines g and k are parallel, what is the value
Bunuel

1

878

23 Feb 2016, 05:59

ER
 How many day traders currently work at ScanCo?
Bunuel

1

519

23 Feb 2016, 05:55

ER
 If m and n are negative integers, what is the value of mn?
dreambeliever

6

1797

23 Feb 2016, 02:07

5
ER
 What is the value of x?
Bunuel

6

718

22 Feb 2016, 22:25

3
ER
 Is x = -4 ?
nevilpat1

8

1561

22 Feb 2016, 22:05

1
ER
 There are 50 people in Company X. If 12 of the people quit, how many
Bunuel

3

803

22 Feb 2016, 21:16

1
ER
 Is q negative?
Bunuel

2

937

22 Feb 2016, 21:13

ER
 3 children’s ages are consecutive even numbers. What is the oldest chi
MathRevolution

2

437

22 Feb 2016, 18:12

ER
 What is the area of the circle?
Mesto

2

502

21 Feb 2016, 23:02

6
ER
 Jerry bought 7 clothing items, including a coat, and the sum
gayathriz

5

4823

21 Feb 2016, 18:37

2
ER
 If ab < 7, is b < 1?
BabySmurf

3

2251

21 Feb 2016, 13:58

16
ER
 Data Sufficiency Pack 1, Question 2) Is the sum...
EMPOWERgmatRichC

13

1509

21 Feb 2016, 12:15

3
ER
 Is x ≠ y? (1) x(x - y) = 5 (2) x - y < 0
goodyear2013

5

1550

20 Feb 2016, 23:54

2
ER
 What is the standard deviation of the weights of the students in a
TeamGMATIFY

1

528

20 Feb 2016, 18:58

7
ER
 In the figure above, D is a point on the side AC of ΔABC.Is ΔABC isos?
Bunuel

9

1343

20 Feb 2016, 18:46

1
ER
 Does x=22?
kritika90

2

594

20 Feb 2016, 00:11

ER
 If a is an integer, is a - 1 even?
Bunuel

1

468

20 Feb 2016, 00:11

20
ER
 Recently Mary gave a birthday party for her daughter at
dancinggeometry

19

7762

19 Feb 2016, 20:51

3
ER
 Set A contains 20 numbers and Set B contains 40 numbers. Is
piyushksharma

2

2831

19 Feb 2016, 10:21

15
ER
 If x and y are positive integers, is xy a multiple of 8
Ekin4112

8

3705

19 Feb 2016, 01:58

4
ER
 Is 1/(a-b) < b-a ?
tt2011

8

2363

19 Feb 2016, 01:25

ER
 At a certain store, books are sold. Books are hard cover or soft cover
MathRevolution

3

569

18 Feb 2016, 23:56

4
ER
 Is x + x^2 + x^3 > 0
earnit

7

1461

18 Feb 2016, 19:21

4
ER
 If x and y are positive integers, is (4^x)*(1/3)^y < 1?
Bunuel

6

997

18 Feb 2016, 19:13

16
ER
 If x = 1! + 2! + 3! + ... + n! then what is the remainder
alphonsa

5

1565

18 Feb 2016, 19:09

ER
 What is the value of 4n – 5m?
Bunuel

4

1194

18 Feb 2016, 18:56

5
 Station Q is to the East of Station T. At 12 noon, a train s
honchos

6

1736

18 Feb 2016, 04:09

7
ER
 What is the value of x + y?
gmatfeelizzle

6

1406

18 Feb 2016, 04:05

10
ER
 What number results if the number x is rounded to the
Jp27

7

1865

18 Feb 2016, 03:26

2
ER
 Water is pumped into a partially filled tank at a constant
GMATD11

3

6538

18 Feb 2016, 01:17

ER
 A freelance writer earns \$20 for each blog post and \$60 for each featu
Bunuel

1

320

17 Feb 2016, 20:23

ER
 Each of 200 electrical switches controls a separate light bulb. How ma
Bunuel

1

534

17 Feb 2016, 19:11

9
ER
 How many miles long is the route from Houghton to Callahan?
fiendex

5

4897

17 Feb 2016, 10:13

ER
 What is the greatest integer in a set of five different positive integ
Bunuel

3

486

16 Feb 2016, 18:48

ER
 a+b+c=?
MathRevolution

3

496

16 Feb 2016, 18:30

1
ER
 Four elves were working on the bicycle assembly line at North Pole Cen
Bunuel

3

584

16 Feb 2016, 15:10

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