What is the value of w…
May 13, 2016
GMAT OFFICIAL GUIDE DS Solution: We need to determine the value of w^-2. We must remember, that if we can determine a value for w, we also can determine …
How many people in a group of 50 own neither a fax machine…
May 13, 2016
GMAT OFFICIAL GUIDE DS Solution: We see that we have an overlapping set problem with two categories: 1) Own a fax machine 2) Own a laser printer We can …
Is x…
May 13, 2016
GMAT OFFICIAL GUIDE DS Solution: We must determine whether x = 1/y. Statement One Alone: xy = 1 Manipulating the equation in statement one by dividing both sides by …
Is rw = 0?…
May 13, 2016
GMAT OFFICIAL GUIDE DS Solution: We must determine whether rw = 0. The zero product property states that, in order for the product of r and w to equal …
Three houses are being sold through a real estate agent…
May 13, 2016
GMAT OFFICIAL GUIDE DS Solution: Out of three houses being sold, we must determine the asking price for the 2nd most expensive house. Let’s use variables of a, b, …
What was the range of the selling prices of the 30 wallets…
May 13, 2016
GMAT OFFICIAL GUIDE DS Solution: We need to determine the range of selling prices of 30 wallets. Recall that the range of a set of numbers is the difference …
If sequence S has 120 terms, what is the 105th term of S
May 13, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that sequence S has 120 terms and we must determine the 105th term of S. Statement One Alone: The first term …
What is the value of 10 percent of…
May 13, 2016
GMAT OFFICIAL GUIDE DS Solution: We are asked to determine the value of 10 percent of y. Putting “10 percent of y” into a mathematical expression we have: 0.1y= …