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Author

The sum of integers from 1 to n (inclusive) is n(n+1)/2.

gamjatang

11 Dec 2005, 06:32

4

9,881

20 Dec 2005, 03:43

Marco tosses a coin four times. What is the probability

faisalt

03 Dec 2005, 12:52

6

1,706

20 Dec 2005, 11:38

jeeboombaa

19 Dec 2005, 17:58

3

1,555

20 Dec 2005, 16:22

How many factors does 36^2 have

GMATT73

20 Dec 2005, 20:07

0

1,967

20 Dec 2005, 20:07

A school has only two classes - class X and class Y.

gamjatang

20 Dec 2005, 20:52

2

1,377

20 Dec 2005, 22:38

There are deers in a certain region. Laxie seized 80 deers

gamjatang

20 Dec 2005, 20:45

2

1,150

20 Dec 2005, 22:57

Equation |x/2| + |y/2| = 5 encloses a certain region on the

allabout

21 Dec 2005, 03:00

0

1,676

21 Dec 2005, 03:00

Are the questions of the PS 1000 appropriate?

allabout

21 Dec 2005, 09:55

1

1,412

21 Dec 2005, 10:22

There are 5 married couples and a group of three is to be

JAI HIND

21 Dec 2005, 12:30

0

1,476

21 Dec 2005, 12:30

Assume we multiply all primes less than 20. Which power is

allabout

21 Dec 2005, 07:34

5

1,284

21 Dec 2005, 16:53

A sphere is inscribed in a cube with an edge of 10. What is

GMATT73

22 Dec 2005, 20:13

0

2,936

22 Dec 2005, 20:13

The sum of all positive divisors of 105 is A. 86 B. 124

TeHCM

06 Dec 2005, 00:59

8

2,435

22 Dec 2005, 20:21

Anthony and Michael sit on the six-member board of directors

GMATT73

24 Dec 2005, 17:05

0

2,011

24 Dec 2005, 17:05

An equilateral triangle that has an area of 9 is inscribed

JAI HIND

24 Dec 2005, 17:19

0

3,271

24 Dec 2005, 17:19

A certain list consists of 21 different numbers. If n is in

JAI HIND

23 Dec 2005, 05:05

3

1,898

24 Dec 2005, 17:34

christoph

25 Dec 2005, 01:49

3

1,512

25 Dec 2005, 06:24

if x<y<z and average of them is 10, and z-x=3. What

duttsit

23 Dec 2005, 21:53

4

2,128

25 Dec 2005, 16:55

A certain quantity is measured on two different scales, the

JAI HIND

25 Dec 2005, 23:22

0

1,563

25 Dec 2005, 23:22

There are 5 locks and 5 keys. What is the minimum number of

gamjatang

24 Nov 2005, 05:41

5

4,688

26 Dec 2005, 12:47

In a magazine store, magazine A is sold at $1, and magazine

gamjatang

15 Dec 2005, 04:51

7

2,293

26 Dec 2005, 13:45

There are 3 integers, all of which are factors of 700. The

gamjatang

01 Dec 2005, 00:57

9

2,027

26 Dec 2005, 17:43

christoph

26 Dec 2005, 11:55

4

1,720

26 Dec 2005, 20:24

If it is true that x > -2 and x < 7, which of the

sudhagar

27 Dec 2005, 09:49

0

1,570

27 Dec 2005, 09:49

christoph

27 Dec 2005, 10:37

4

1,703

27 Dec 2005, 20:44

christoph

27 Dec 2005, 10:39

1

1,565

28 Dec 2005, 20:41

A marketing firm determined that, of 200 households

TeHCM

29 Dec 2005, 11:36

0

1,840

29 Dec 2005, 11:36

1/10^(n+1)< 0.00625< 1/10^n Find n, knowing that n

laxieqv

29 Dec 2005, 02:03

2

2,614

29 Dec 2005, 20:31

SQRT(12+√44)-SQRT(12-√44) =

laxieqv

29 Dec 2005, 02:10

8

2,493

30 Dec 2005, 04:47

A set of numbers has the property that for any number t in

JAI HIND

31 Dec 2005, 14:57

0

1,224

31 Dec 2005, 14:57

q = mn+r, where r is reminder when q, a negative, is divided

Professor

30 Dec 2005, 18:53

4

1,784

31 Dec 2005, 17:55

A circle inscribed in an equilateral triangle with side

vivek123

31 Dec 2005, 23:18

4

8,055

01 Jan 2006, 18:09

A Cloth merchant professes to sell at a loss of 15%.

arungovind

03 Jan 2006, 22:02

0

1,984

03 Jan 2006, 22:02

A closed cylindrical tank contains (36 PI) cubic feet of

ps_dahiya

03 Jan 2006, 22:58

0

4,565

03 Jan 2006, 22:58

Last year the price per share of Stock X increased by k

JAI HIND

04 Jan 2006, 12:13

0

1,521

04 Jan 2006, 12:13

A merchant offers a discount of 30% on her list price and

giddi77

04 Jan 2006, 12:26

0

2,735

04 Jan 2006, 12:26

In how many ways can a person draw two cards at random from

giddi77

05 Jan 2006, 03:53

0

1,565

05 Jan 2006, 03:53

Pumps A,B and C operate at their respective speeds. Pumps A

plsubbu

05 Jan 2006, 14:29

0

1,401

05 Jan 2006, 14:29

find the values of m and n so that the number 7m1n0 is

mand-y

06 Jan 2006, 08:36

0

1,960

06 Jan 2006, 08:36

ps 4GMAT SOFTWARE remainder and divisiblity

mand-y

06 Jan 2006, 08:42

0

1,298

06 Jan 2006, 08:42

ps from 4GMAT SOFTWARE MULTIPLES

mand-y

06 Jan 2006, 08:50

0

1,568

06 Jan 2006, 08:50

Ps - Probablity

krisrini

05 Jan 2006, 04:21

2

1,270

07 Jan 2006, 00:55

Jane started baby-sitting when she was 18 years old,

rlevochkin

29 Dec 2005, 18:55

11

2,737

07 Jan 2006, 14:00

The product of all the prime number less than 20 is closest

Paul

06 Jan 2006, 18:20

4

3,051

08 Jan 2006, 07:57

PS: WORD TRANSLATION

SunShine

08 Jan 2006, 11:28

2

1,322

08 Jan 2006, 12:27

What is the sum of all digits for the number (10^50) -74

joemama142000

08 Jan 2006, 00:13

3

1,426

by: joemama142000

08 Jan 2006, 14:08

Ten boys donated 28 clothes to an organization. If the

joemama142000

08 Jan 2006, 14:47

0

1,368

by: joemama142000

08 Jan 2006, 14:47

In coordinate plan the point on segment PQ That is twice

mand-y

08 Jan 2006, 17:34

1

1,827

08 Jan 2006, 17:40

What is the probability that a man and woman selected at

giddi77

08 Jan 2006, 17:42

0

1,422

08 Jan 2006, 17:42

ps digit from 4GMAT SOFTWARE

mand-y

04 Jan 2006, 14:59

6

1,512

08 Jan 2006, 21:41

13 men and 7 boys can finish a job in 7 days, while 6 boys

krisrini

08 Jan 2006, 21:42

0

7,026

08 Jan 2006, 21:42

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Math Expert

109814 posts