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# Data Sufficiency (DS)

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294
ER
 150 Hardest and easiest questions for DS   Tags:
Bunuel

9

39969

24 Aug 2017, 21:58

658
ER
 DS Question Directory by Topic and Difficulty   Tags: Coordinate Geometry
bb

0

187356

07 Mar 2012, 08:58

Topics

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

2

448

22 Feb 2016, 18:12

ER
 What is the area of the circle?
Mesto

2

517

21 Feb 2016, 23:02

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

3

2293

21 Feb 2016, 13:58

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

13

1531

21 Feb 2016, 12:15

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

5

1567

20 Feb 2016, 23:54

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

1

553

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

1444

20 Feb 2016, 18:46

1
ER
 Does x=22?
kritika90

2

611

20 Feb 2016, 00:11

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

1

483

20 Feb 2016, 00:11

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

19

7879

19 Feb 2016, 20:51

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

2

2877

19 Feb 2016, 10:21

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

8

3746

19 Feb 2016, 01:58

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

8

2397

19 Feb 2016, 01:25

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

3

588

18 Feb 2016, 23:56

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

7

1481

18 Feb 2016, 19:21

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

6

1012

18 Feb 2016, 19:13

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

5

1579

18 Feb 2016, 19:09

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

6

1762

18 Feb 2016, 04:09

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

6

1432

18 Feb 2016, 04:05

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

7

1891

18 Feb 2016, 03:26

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

3

6666

18 Feb 2016, 01:17

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

1

342

17 Feb 2016, 20:23

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

1

547

17 Feb 2016, 19:11

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

5

4972

17 Feb 2016, 10:13

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

3

509

16 Feb 2016, 18:48

ER
 a+b+c=?
MathRevolution

3

508

16 Feb 2016, 18:30

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

3

600

16 Feb 2016, 15:10

ER
 What is the cost of wallpaper needed to cover all four walls of a squa
Bunuel

1

349

16 Feb 2016, 10:58

ER
 How many years old is Anne?
Bunuel

2

582

16 Feb 2016, 06:04

3
ER
 If m and n are positive integers and m + n is prime, is m
loveparis

11

4912

16 Feb 2016, 05:47

ER
 What is Mary’s age?
Bunuel

2

543

16 Feb 2016, 04:57

2
ER
 If gasoline costs \$1.09 per gallon and alcohol costs \$1.81, what fract
Bunuel

2

696

16 Feb 2016, 02:23

1
ER
 If m is not equal to k, is |x^2 - y^2| > 0?
TeamGMATIFY

4

5808

16 Feb 2016, 02:09

1
ER
 A piece of wood is cut into three pieces that have lengths in the rati
Bunuel

1

492

15 Feb 2016, 22:06

ER
 If k is a non-negative integer, what is the last digit of
TeamGMATIFY

1

544

15 Feb 2016, 19:23

3
ER
 What is the radius, in inches, of Circle O?
Bunuel

4

568

15 Feb 2016, 10:43

5
ER
 If x and y are positive, is x > y^2?
slingfox

9

2370

15 Feb 2016, 05:13

1
ER
 If a triangle has one side of 3 cm and another side of 4 cm, how long
Bunuel

2

774

15 Feb 2016, 00:08

ER
 Is x between 0 and 1?
Bunuel

2

668

14 Feb 2016, 23:57

ER
 Is xy < 10?
Bunuel

2

553

14 Feb 2016, 23:51

ER
 How many black shoes were sold by Shepard’s Shoe Emporium?
Bunuel

1

560

14 Feb 2016, 12:56

ER
 How much ethylene glycol antifreeze must be mixed with water to fill a
Bunuel

1

682

14 Feb 2016, 12:50

2
ER
 What is the value of (x + 3)^2 ?
Bunuel

3

701

13 Feb 2016, 22:54

7
ER
 There are 5 consecutive integers. If the product of the 5 numbers is n
MathRevolution

2

805

13 Feb 2016, 22:47

1
ER
 In a museum X, a total entrance fee is \$x plus \$z each person greater
MathRevolution

4

770

13 Feb 2016, 22:35

2
ER
 In the xy- plane, does the point (4,12) lie on the line K.
GMATD11

6

2569

13 Feb 2016, 19:45

 Is ax = (7 + 5bx)/4
Ekland

1

1557

13 Feb 2016, 11:56

6
ER
 If the circle has radius 6, what is the area of the triangle? (1) AC
Bunuel

10

2678

13 Feb 2016, 11:44

7
ER
 What percent of the students at Jefferson High School study
thinktank

8

6118

13 Feb 2016, 10:54

8
ER
 What is the maximum number of rectangular blocks, each with
sondenso

11

9605

12 Feb 2016, 20:35

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