Category: Official Guide Solutions

GMAT OFFICIAL GUIDE PS Solution: We are given that a case contains c cartons. Each carton contains b boxes, and each box contains 100 paper clips. Thus we can …

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 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: 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: We start by simplifying the numerator and denominator of the given fraction. First, we simplify the numerator: (0.0015)(10^m) It will be helpful to convert …