Author: Jeff Miller

GMAT OFFICIAL GUIDE PS Solution: This problem is easiest solved by plugging in each answer choice. A) (100 + 1)/1 = 101/1 = 101 Answer choice A yields an …

GMAT OFFICIAL GUIDE PS Solution: (Note that the * symbol in this solution indicates multiplication.) We are given that X(n) = 2 * X(n-1) – ½ * X(n-2), for …

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: We can start by drawing the triangle in the xy-plane. This will help us visualize how we are to solve the problem. As we …

GMAT OFFICIAL GUIDE PS Solution: This problem is best solved by setting up a diagram to represent the markings. We are given that we are marking the pipe into …

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: 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 …