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DS Archive

Author

In a demographic study, the population and total income of a

sidbidus

30 Aug 2007, 11:18

0

1,841

30 Aug 2007, 11:18

Is |x|< 1? (1) |x + 1| = 2|x - 1| (2) |x - 3| ? 0

sidbidus

30 Aug 2007, 09:01

1

1,202

30 Aug 2007, 09:28

If x and y are positive, is 3x > 7y? (1) x > y + 4 (2)

solidcolor

30 Aug 2007, 06:15

0

4,453

30 Aug 2007, 06:15

If the units digit of the three-digit positive integer k is

sidbidus

29 Aug 2007, 23:53

0

993

29 Aug 2007, 23:53

DS - value of x+y

sidbidus

29 Aug 2007, 10:28

4

1,387

29 Aug 2007, 16:25

A home owner must pick between paint A, which cost $6.00 per

IrinaOK

29 Aug 2007, 15:13

0

1,559

29 Aug 2007, 15:13

sidbidus

29 Aug 2007, 10:42

1

1,366

29 Aug 2007, 10:56

Sam Kana

26 Aug 2007, 14:03

2

1,506

by: Sumithra Sen

28 Aug 2007, 09:49

Vlad77

26 Aug 2007, 07:15

4

1,136

27 Aug 2007, 23:43

What is the value of tv/w? 1) 7t = 6w and v = 2w 2) t/w =

jimmyjamesdonkey

27 Aug 2007, 16:56

7

1,414

by: jimmyjamesdonkey

27 Aug 2007, 17:28

What is the value of a^4 - b^4? (1) a^2 - b^2 = 16 (2) a + b

above720

27 Aug 2007, 14:42

0

1,525

27 Aug 2007, 14:42

If m>0 and n>0, is (m+x)/(n+x) > m/n? (1) m is less

above720

27 Aug 2007, 13:04

0

1,692

27 Aug 2007, 13:04

DS question (Directors and managers)

Vlad77

26 Aug 2007, 07:33

1

1,601

27 Aug 2007, 00:23

Recently Mary gave a birthday party for her daughter at

asaf

26 Aug 2007, 14:00

1

2,245

26 Aug 2007, 16:52

x and y are positive integers, what is the value of xy? 1)

boubi

26 Aug 2007, 12:58

2

1,132

26 Aug 2007, 13:23

DS on percentages

TriColor

25 Aug 2007, 20:31

0

1,042

25 Aug 2007, 20:31

In the fraction x/y, where x and y positive integers, what

Vlad77

24 Aug 2007, 06:38

3

1,638

by: Sumithra Sen

25 Aug 2007, 15:22

Is n an integer? 1) n^2 is an integer 2) square root of n is

tinman1412

25 Aug 2007, 14:42

0

934

25 Aug 2007, 14:42

Is x negative? (1) x^3(1-x^2) < 0 (2) x^2 - 1 < 0

above720

25 Aug 2007, 11:42

0

1,866

25 Aug 2007, 11:42

X & Y are +ve integers. Y = - X. Is Y divisible by 6????

FN

24 Aug 2007, 12:24

1

1,103

24 Aug 2007, 12:37

I'm stuck on one step of the explanation offered by GMAT and

mavery

24 Aug 2007, 08:51

0

1,673

24 Aug 2007, 08:51

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

Piter

24 Aug 2007, 08:37

0

1,488

24 Aug 2007, 08:37

In the rectangular coordinate system, are the points (a, b)

Piter

24 Aug 2007, 07:43

0

1,398

24 Aug 2007, 07:43

In 1995 Division A of Company X had 4,850 customers. If

JamieK

24 Aug 2007, 07:43

0

816

24 Aug 2007, 07:43

If x is an integer, is 9^x + 9^-x = b? (1) 3^x + 3^-x = \|(b

above720

23 Aug 2007, 18:41

1

2,982

23 Aug 2007, 22:34

Does the integer k have a factor p such that 1 is less than

above720

23 Aug 2007, 22:29

0

1,214

23 Aug 2007, 22:29

in the xy plane, the region R consists of all points (x,y)

FN

23 Aug 2007, 13:37

6

1,381

by: Sumithra Sen

23 Aug 2007, 20:05

If n is a positive integer, is (1/10)^n less than 0.01? (1)

above720

23 Aug 2007, 19:09

0

1,024

23 Aug 2007, 19:09

Henry purchased 3 items during a sale. He received a 20

above720

23 Aug 2007, 19:05

0

1,577

23 Aug 2007, 19:05

Is n an integer? (1) n^2 is an integer (2) \|n is an integer

above720

23 Aug 2007, 18:59

0

1,100

23 Aug 2007, 18:59

If n is a two-digit positive integer, what is the

kevincan

23 Aug 2007, 07:04

9

2,023

23 Aug 2007, 13:34

Each correctional facility in a certain state has the same

kevincan

22 Aug 2007, 04:38

6

1,638

23 Aug 2007, 08:04

ds inequalities

chronolinkz

22 Aug 2007, 12:13

0

1,064

by: chronolinkz

22 Aug 2007, 12:13

Stations X and Y are connected by two separate, straight,

minnu

22 Aug 2007, 07:38

0

871

22 Aug 2007, 07:38

Is cube-root(X) an odd integer? (1) X^3 is an odd integer.

FN

21 Aug 2007, 08:17

4

1,621

21 Aug 2007, 19:42

Is X^3 an odd integer? (1) 3 square root X is an odd

Fistail

21 Aug 2007, 19:34

0

1,413

21 Aug 2007, 19:34

Is X to the power 3 an odd integer? (1) 3 square root X is

Whatever

21 Aug 2007, 19:34

0

1,771

21 Aug 2007, 19:34

If m and r are two numbers on a number line, what is the

ikk102

21 Aug 2007, 17:31

0

1,015

21 Aug 2007, 17:31

In the sequence A, A1 = 43, A2 = 47,...., Ak = k^2 + k + 41.

gmatiscoming

21 Aug 2007, 08:23

8

2,310

21 Aug 2007, 11:34

If a and b are positive, is (a^-1 + b^-1)^-1 less than

minnu

21 Aug 2007, 08:15

2

1,877

by: Sumithra Sen

21 Aug 2007, 10:52

GMATPrep DS Num Prop

ikk102

20 Aug 2007, 15:55

4

1,782

by: GMATBLACKBELT

20 Aug 2007, 23:10

If y=>0, what is the value of x?

TriColor

20 Aug 2007, 18:46

0

914

20 Aug 2007, 18:46

A total of $60,000 was invested for one year. But of this

minnu

20 Aug 2007, 07:37

2

2,009

by: Sumithra Sen

20 Aug 2007, 12:08

vay

19 Aug 2007, 06:35

3

1,586

20 Aug 2007, 09:24

In 1997 there were 300 female employees at Company C. If the

minnu

20 Aug 2007, 08:16

0

1,203

20 Aug 2007, 08:16

If P is a set of integers and 3 is in P , is every positive

troy3626

19 Aug 2007, 21:48

0

1,537

19 Aug 2007, 21:48

Piter

19 Aug 2007, 10:38

4

1,450

19 Aug 2007, 12:56

vay

19 Aug 2007, 06:50

6

1,640

by: Sumithra Sen

19 Aug 2007, 11:50

We know that for 'YES and NO' DS we need to have a definite

gunner44

18 Aug 2007, 23:23

7

1,304

19 Aug 2007, 07:26

Is x > 0, 1. |x + 3| = 4x - 3 2. |x - 3| = |2x -3|

asaf

18 Aug 2007, 20:06

0

1,286

18 Aug 2007, 20:06

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