Search found 119 matches

by sk8ternite

Sun Aug 30, 2009 3:36 pm
Forum: Data Sufficiency
Topic: Manuscript
Replies: 5
Views: 1493

660 to 640

I just got beaten by the gmat. I got a 660 and then took it one month later and got a 640. I was scoring in the 700s on princeton review practice gmat tests a week before my 2nd exam, and just got destroyed again by the verbal part. I live in NY but am leaving to work abroad in China for 9 months. I...

by sk8ternite

Sun Aug 30, 2009 8:39 am
Forum: I just Beat The GMAT!
Topic: 660 to 640
Replies: 1
Views: 1355
by sk8ternite

Thu Aug 27, 2009 6:46 pm
Forum: Data Sufficiency
Topic: Fence
Replies: 8
Views: 3632

Fence

Yves can paint a certain fence in 1/2 the time it takes Marcel to paint the same fence. If they work together, each at his own constant rate, how many hours will it take them to paint the fence? (1) Yves can paint the fence by himself in 3 hours. (2) Working together, each at his own constant rate, ...

by sk8ternite

Thu Aug 27, 2009 12:52 pm
Forum: Data Sufficiency
Topic: Fence
Replies: 8
Views: 3632
by sk8ternite

Thu Aug 27, 2009 9:15 am
Forum: Problem Solving
Topic: Y+Z
Replies: 6
Views: 1637

I am still looking for an explanation to my question, if a sentence says, the number of environmental pollutants, which blah blah..., does which modify the number of or environmental pollutions? It seems in this question it modifies environmental pollutants, but I thought which modifies the noun NOT...

by sk8ternite

Wed Aug 26, 2009 8:28 pm
Forum: Sentence Correction
Topic: Environmental Pollutants
Replies: 14
Views: 1425

vani_13in wrote:I think (n-1)! i.e. 4-1=3! Ans= 6
(n-1)!, why did you choose this formula and can you explain the background behind this formula?

by sk8ternite

Wed Aug 26, 2009 3:20 pm
Forum: Problem Solving
Topic: Circular Chain
Replies: 4
Views: 1197

In a Village...

In a village of 100 households, 75 have at least one DVD player, 80 have at least one cell phone, and 55 have at least one MP3 player. If X and Y are respectively the greatest and lowest possible number of households that have all three of these devices, x-y is:

a. 65
b. 55
c. 45
d. 35
e. 25

by sk8ternite

Wed Aug 26, 2009 2:09 pm
Forum: Problem Solving
Topic: In a Village...
Replies: 3
Views: 1085

Is the answer - 200? Please let me know. Here is how I have calculated: Let A be the average. A= x+y+z/3 Also, A= x+x/3 A=4x/3 so x+y+z/3 = 4x/3 x+y+z = 4x y+z = 3x Percentage increase = 3x-x= 2 i.e. 200% Vani, how come I cant set the equation to be.. (x+y+z/3)(2/3) = x. It says the average is 1/3 ...

by sk8ternite

Wed Aug 26, 2009 2:00 pm
Forum: Problem Solving
Topic: Y+Z
Replies: 6
Views: 1637

Manuscript

Working together, Michelle and John can type a manuscript in 60 hours. How long does it take Martha and Jeff, working together, to type the same manuscript?
(1) Michelle types 60 words per minute and Jon types 40 words per minute
(2) Martha types 30 words per minute and Jeff types 80 words per minute

by sk8ternite

Wed Aug 26, 2009 1:58 pm
Forum: Data Sufficiency
Topic: Manuscript
Replies: 5
Views: 1493

Circular Chain

A circular chain consists of 4 gems: a diamond, an emerald, a ruby, and a sapphire. In how many ways can the gems be arranged on the chain?

a. 2
b. 3
c. 6
d. 108
e. 116

by sk8ternite

Wed Aug 26, 2009 1:50 pm
Forum: Problem Solving
Topic: Circular Chain
Replies: 4
Views: 1197

Integer N

When 777 is divided by positive integer n, the remainder is 77. How many possibilities are there for n?

a. 2
b. 3
c. 4
d. 5
e. 6

by sk8ternite

Wed Aug 26, 2009 1:46 pm
Forum: Problem Solving
Topic: Integer N
Replies: 1
Views: 1272
by sk8ternite

Wed Aug 26, 2009 1:34 pm
Forum: Sentence Correction
Topic: Supreme Court
Replies: 5
Views: 2326

Y+Z

The average of x, y, and z is one-third greater than x. The sum of y+z is what percent greater than x?

a. 50
b. 100
c. 200
d. 300
e. 400

by sk8ternite

Wed Aug 26, 2009 1:33 pm
Forum: Problem Solving
Topic: Y+Z
Replies: 6
Views: 1637
by sk8ternite

Wed Aug 26, 2009 1:27 pm
Forum: Sentence Correction
Topic: Scholars
Replies: 17
Views: 8325