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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...
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, ...
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...
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:
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 ...
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
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?