Author: Scott Woodbury-Stewart

GMAT OFFICIAL GUIDE PS Solution: To solve this problem we must remember that given any rectangular solid, the longest line segment that can be drawn within the solid will …

GMAT OFFICIAL GUIDE PS Solution: Before jumping into this problem using the numbers provided, we must analyze what is really being tested here. We are really being asked, what …

GMAT OFFICIAL GUIDE PS Solution: In this problem, there are only two events that could occur for the 3 coin flips. Either the coin will land on tails zero …

GMAT OFFICIAL GUIDE PS Solution: This is an interesting question because our initial instincts tell us to square x -1 by the FOIL method. However, an easier method is …

GMAT OFFICIAL GUIDE PS Solution: We are given that 30 percent of the members of the have passed the lifesaving test. If we use variable T for the total …

GMAT OFFICIAL GUIDE PS Solution: We are first given that a team won 80 percent of its first 100 games. This means the team won 0.8 x 100 = …

GMAT OFFICIAL GUIDE PS Solution: We need to first recognize that we are working with a maximum problem. This means that of the seven pieces of rope, we must …

GMAT OFFICIAL GUIDE PS Solution: To solve we want to first create a word translation from the information in the problem stem. We are given that x is m …