Author: Jeff Miller

GMAT OFFICIAL GUIDE PS Solution: Let’s first determine the sum of 7/8 and 1/9. 7/8 + 1/9 Getting a common denominator of 72 gives us: 63/72 + 8/72 =71/72 …

GMAT OFFICIAL GUIDE PS Solution: To solve this question, we need to consider a few odd/even rules. 1) (even + even) or (odd + odd) = even 2) even …

GMAT OFFICIAL GUIDE PS Solution: We are given the following equation: 1.5/(0.2+x) = 5 We begin by multiplying both sides of the equation by (0.2 + x), and we …

What is the lowest positive integer that is divisible by… Solution: We need to determine the smallest number that is divisible by the following: 1, 2, 3, 4, 5, …

GMAT OFFICIAL GUIDE PS Solution: In solving this problem there are three angle rules that we must consider. 1) A circle measures a total of 360 degrees. 2) A …

GMAT OFFICIAL GUIDE PS Solution: This problem is testing us on our knowledge of variables in a “work” question. Ultimately, we are solving for time. Since rate x time …

GMAT OFFICIAL GUIDE PS Solution: To solve, we use the average equation: average = sum/quantity We don’t know the individual scores for each of the first 4 tests, but …

GMAT OFFICIAL GUIDE PS Solution: To solve, we will use the number given in each Roman numeral to determine the average and median and determine whether they are equal. …