If x/y = c/d and d/c = b/a…
May 9, 2016
GMAT OFFICIAL GUIDE PS Solution: We are given two equations: 1) x/y = c/d 2) d/c = b/a Let’s now test the expressions in the Roman numerals to determine …
Author: Scott Woodbury-Stewart
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 …
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 …
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 …
In the figure above, what is the ratio of the measure of…
May 9, 2016
GMAT OFFICIAL GUIDE PS GMAT OG Solution: We are given a right triangle with the following angle measurements: angle A = (y + 10)° angle B = y° angle …
The graph above shows the height of the tide, in feet, above or…
May 9, 2016
GMAT OFFICIAL GUIDE PS Solution: We are given a graph in which the y-axis displays the height of the tide. We must determine the difference between the heights of …
The figure above shows a path around a triangular piece…
May 6, 2016
GMAT OFFICIAL GUIDE PS Solution: We are given a diagram of a right triangle with two legs of 6 and 8. The total length of those two legs represents …