Author: Jeff Miller

GMAT OFFICIAL GUIDE PS Solution: We are given a diagram, which represents a parking lot, with a smaller rectangle inside a larger rectangle. The dimensions of the smaller rectangle …

GMAT OFFICIAL GUIDE P Solution: We are given the equation xy = k, where k is negative. It follows that x and y must have opposite signs. That is, …

GMAT OFFICIAL GUIDE PS Solution: We are given a diagram with 8 intervals of equal length. Let’s start by sketching the diagram. Notice we also assigned a number to …

GMAT OFFICIAL GUIDE PS Solution: We can solve this question using the natural relationships that all two-digit numbers have. As an example, we can express 37 as (10 x …

GMAT OFFICIAL GUIDE PS Solution: We are given a diagram of a patio and a house. Let’s first sketch that diagram. We must determine the area of the patio. …

GMAT OFFICIAL GUIDE PS We are given that a manufacturer produces 20,000 units and that between 0.3 and 0.5 percent of the units are defective. We also know that …

GMAT OFFICIAL GUIDE PS Solution: Although our first instinct may be to use the substitution method to determine the values for x and y, it will actually be more …

GMAT OFFICIAL GUIDE PS Solution: We need to determine the value of N in the equation (1 – 1.25)N = 1. (1 – 1.25)N = 1 (-0.25)N = 1 …