Tag: Official Guide for GMAT Review 2017
GMAT OFFICIAL GUIDE PS Solution: We can classify this problem as a “combined worker” problem. To solve this type of problem we should use the formula: Work (done by …
GMAT OFFICIAL GUIDE PS Solution: We start by translating the question. We are asked (2^-14) + (2^-15) + (2^-16) + (2^-17) is how times the value of 2^-17. We …
GMAT OFFICIAL GUIDE PS Solution: Before diving into this problem we want to first analyze the given inequality: (x+2)(x+3)/(x-2) ≥ 0 This means that (x+2)(x+3) divided by x-2 is …
GMAT OFFICIAL GUIDE PS Solution: This is a great problem because we can solve it using equations and substitution, or we can employ some estimation because the equation we …
GMAT OFFICIAL GUIDE PS Solution: This is an overlapping set question that is testing our ability to solve for maximum and minimum values. We know this because the answer …
GMAT OFFICIAL GUIDE PS Solution: The first thing we want to do is to decipher the problem. The key word here is “product;” we are told that the product …
GMAT OFFICIAL GUIDE PS Solution: We are given the reciprocal of r is equal to the sum of the reciprocals of x and y. Thus we can say: 1/r …
GMAT OFFICIAL GUIDE PS Solution: We begin by creating a right triangle with the x-axis, the radius of circle C to the x-axis and the line segment from center …
