Jack is now 14 years older than Bill. If in 10 years Jack…
May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: We first want to create variables for Jack’s age today and Bill’s age today. J = Jack’s age today B = Bill’s age today …
A border of uniform width is placed around a rectangular photograph…
May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: To solve this problem it’s easier to refer to a diagram of what is provided in the problem stem. In creating the diagram we …
The shaded portion of the rectangular lot shown above represents…
May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: In solving this problem we first must recognize that the flower bed is the right triangle with sides of y yards, x yards, and …
If n = (33)^43 + (43)^33 what is the units digit of n…
May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: This is a units digit pattern question. The first thing to recognize is that in units digit pattern questions we only care about the …
During a trip, Francine traveled x percent of the total…
May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: This problem can be solved by using a Rate-Time-Distance table. We are given that Francine traveled x percent of the distance at a rate …
In the figure above, V represents an observation point at on…
May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: We are being asked to determine the length of RS. To determine this length we need to know the length from point R to …
The trapezoid shown in the figure above represents a cross section…
May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: Although this problem may seem confusing based on the description of the shape, we must keep in mind that the diagram provided is simply …
In the first week of the year, Nancy saved 1. In each of the next…
May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: Let’s first set up the pattern of Nancy’s savings. The first week she saved $1, the second week she saved $2, the third week …