Tag: Official Guide for GMAT Review 2015

GMAT OFFICIAL GUIDE PS Solution: To solve this question, we must make sure we interpret it correctly. We are not finding the least possible value of y, but rather …

GMAT OFFICIAL GUIDE PS Solution: The phrase “4 is one solution of the equation” means that one value of x is 4. Thus, we first must plug 4 for …

GMAT OFFICIAL GUIDE PS Solution: This problem is testing us on the Rate x Time = Distance relationship. This relationship also tells us that Rate = Distance/Time and Time …

GMAT OFFICIAL GUIDE PS Solution: We are given that a divided by b is positive (or greater than zero). We know that in division when a quotient is positive, …

GMAT OFFICIAL GUIDE PS Solution: To determine the value of the account today we want to set up an expression showing the various percent increases and decreases. Remember we …

GMAT OFFICIAL GUIDE PS Solution: We see that n can be ANY PRIME NUMBER GREATER THAN 3. Let’s choose the smallest prime number greater than 3 and substitute it …

GMAT OFFICIAL GUIDE PS Solution: We are given that there are a total of 50 researchers in the workgroup and that 40% will be assigned to team A and …

GMAT OFFICIAL GUIDE PS Solution: Before attacking this question, we want to review what “absolute value” means. The absolute value of a number measures or is the distance that …