GMAT OFFICIAL GUIDE PS Solution: The defining factor of an arithmetic sequence is that there is a constant difference d between each successive pair of terms. We are given …
GMAT OFFICIAL GUIDE PS Solution: This problem can best be solved using combinations. It is similar to a problem in which 30 sports teams are playing in a tournament …
In the figure above, coordinates of point V… Solution: Looking at the diagram we can count to the right on the x-axis to get the x-coordinate of V, and …
GMAT OFFICIAL GUIDE PS Solution: To solve this problem, we first want to determine the rate of each machine. Since each machine works at the same constant rate, each …
GMAT OFFICIAL GUIDE PS Solution: When setting up ratios, we can set up a ratio in fraction form. For example, if we were told the ratio of a to …
GMAT OFFICIAL GUIDE PS Solution: To solve we can create a fairly simple word translation. Remember if we are asked “x is what percent of y”? we can set …
GMAT OFFICIAL GUIDE PS Solution: The bakery began the day with 40 dozen rolls. Half of the rolls were sold by noon, so we know by noon we had …
GMAT OFFICIAL GUIDE PS Solution: This problem can be easily solved by following the order of operations. Let’s tackle the exponents first. 0.1^2 = 0.1 x 0.1 = 0.01 …