Author: Jeff Miller

GMAT OFFICIAL GUIDE PS Solution: Remember that an integer is a “whole number” (either positive or negative), or 0. Thus, if we want to know the greatest integer less …

GMAT OFFICIAL GUIDE PS Solution: Let’s first divide= 599 by 12 (the minimum amount each member could contribute) and then use the remainder to finish the problem. 599/12 = …

GMAT OFFICIAL GUIDE PS Solution: Although this problem appears to be a general word problem it is actually testing us on our understanding of remainders when dividing integers. We …

GMAT OFFICIAL GUIDE PS Solution: We are given two pieces of information that can be translated into equations. However, before we make those equations let’s set up some variables …

GMAT OFFICIAL GUIDE PS Solution: This problem is testing us on exponential growth. The easiest way to navigate this problem is to set up a growth chart. We are …

GMAT OFFICIAL GUIDE PS Solution: We are given that a square has a 20-inch diagonal, and we must solve for the perimeter of the square. This means we first …

GMAT OFFICIAL GUIDE PS Solution: To solve this problem we need to examine the information in the first sentence. We are told that “a reading of n + 1 …

GMAT OFFICIAL GUIDE PS Solution: We are given that the ratio of hydrogen to oxygen in water, by mass, is 2 : 16. Using our ratio multiplier we can …