Hi Mitch, I got confused here.. It says IT company with less than 15 Employees hires coders and system admins. DOes it NOT mean that there are coders , system admins and other employees? Because of this i was not able to make the equation.

Thanks

Quant Review question

This is a quant review question im not able to understand. Cany anyone help. 0ne week a certain truck rental lot had a total of 20 trucks, all of which were on the lot Monday morning. lf 50 percent of the trucks that were rented out during the week were returned to the lot on or before Saturday morn...

each term equal to 7 or 77

Each term in the sequence A1 +A2 + A3 ----- + An is either 7 or 77 and th sum equals 350. What could be the value of n.
a) 38
b) 39
c) 40
d) 41
e) 42

Thanks Mitch.

Congratulations Vicky , Im going to take gmat in two weeks , struggling with Verbal though. Do you think scorebooster of empower gmat can help now? Thanks

Gmat Prep question - PS

If two of the four expressions x+y , x+5y , x-y , and 5x-y are chosen at random ,what is the probability that their product will be of the form x^2 - (by)^2, where b is an integer.
1) 1/2
2) 1/3
3) 1/4
4) 1/5
5) 1/6

Can anyone explain please.
Thanks

Gmat Prep question

In a city total population is 132,000, it needs to be divided into 11 voting zones and NO zone to have a population that is more than 10% greater than the population of any other zone.What is the minimum possible population that the least populated zone could have. - 10,700 - 10,800 - 10,900 - 11,00...

Minimum no# of children required

Four friends have 24 , 36 , 40 and 60 coins respectively. They want to distribute all these coins among children in such a way that each friend gives equal number of coins to to each child and no child receives coins from more than one of the four friends. What is the minimum number of children need...