Author: Jeff Miller
GMAT OFFICIAL GUIDE PS Solution: We are given an overlapping set with 2 categories: music and art. In any two-category set problem we can use the following formula: Total …
GMAT OFFICIAL GUIDE PS Solution: We are given √(4.8 x 10^9), and we need to determine the answer choice that is closest in value. We first simplify the expression …
GMAT OFFICIAL GUIDE PS Solution: We are given the equation, (x^2)(y^2) – xy = 6, and, although it may not be obvious, the equation is a quadratic-format equation. Thus, …
GMAT OFFICIAL GUIDE PS Solution: Let’s begin by sketching the given picture. We are given that triangle ABC is inscribed in the semicircle. Since a triangle inscribed in a …
GMAT OFFICIAL GUIDE PS Solution: We are given the expression: 0.0025 x 0.025 x 0.00025 x 10^k = integer To determine the least possible value of k, we want …
GMAT OFFICIAL GUIDE PS Solution: We must determine all of the values of x based on the inequality x^2 – 2 < 0. To determine all the possible values …
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 …
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: …
