The function f is defined by f(x) =…
May 9, 2016
GMAT OFFICIAL GUIDE PS Solution: We are given the function defined by f(x) = √x – 10, and we also see that f(t) = u. First, let’s determine what …
In the x-y coordinate plane, which of the following points…
May 9, 2016
GMAT OFFICIAL GUIDE PS Solution: To solve we first want to isolate y in the equation kx + 3y = 6. 3y = -kx + 6 y = -kx/3 …
Pumping alone at their respective constant rates, one inlet pipe fills…
May 9, 2016
GMAT OFFICIAL GUIDE PS Solution: To solve, we want to use the combined worker formula: work of pump 1 + work of pump 2 = total work completed Let’s …
Which of the following expressions can be written as an integer
May 9, 2016
GMAT Official Guide Solution: Let’s simplify the expressions in each Roman numeral to see which of them must be an integer. I. (√82 + √82)^2 (2√82)^2 4 x 82 …
At the start of an experiment, a certain population consisted of 3 animals…
May 9, 2016
GMAT OFFICIAL GUIDE PS Solution: We are starting with 3 animals, and at the end of each month that number of animals doubles in size. Thus, we can say: …
Of the land owned by a farmer, 90 percent was…
May 9, 2016
GMAT OFFICIAL GUIDE PS Solution: We can start by letting T = the total land owned by the farmer. Since 90% was cleared for farming we can say: 0.9T …
The smaller rectangle in the figure above…
May 9, 2016
GMAT OFFICIAL GUIDE PS Solution: We are given a diagram, which represents a parking lot, with a smaller rectangle inside a larger rectangle. The dimensions of the smaller rectangle …
The graph of the equation xy = k, where…
May 9, 2016
GMAT OFFICIAL GUIDE P Solution: We are given the equation xy = k, where k is negative. It follows that x and y must have opposite signs. That is, …