Lines k and m are parallel to each other…
May 13, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that lines k and m are parallel to each other, and when two lines are parallel they have the same slope. …
Square ABCD is inscribed in circle O. What is the area of…
May 13, 2016
GMAT OFFICIAL GUIDE DS Solution: Let’s start by sketching square ABCD inscribed in circle O. We must also remember that the diagonal of the square is equal to the …
For a certain car repair, the total charge consisted…
May 13, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that for a certain car repair, the total charge consisted of a charge for parts, a charge for labor, and a …
A certain investment earned a fixed rate of 4 percent…
May 13, 2016
GMAT Guide Solution: Since we are given information about compound interest, we can use the compound interest formula: FV = PV(1 + r/n)^(nt), where FV = future value PV …
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 …