GMAT OFFICIAL GUIDE DS Solution: We are given that in each of the last five years, Company K donated p percent of its annual profits to a certain scholarship …

GMAT OFFICIAL GUIDE DS – Solution: We need to determine whether w+h^4 is positive. First, we know that h^4 is always non-negative. Let’s look at the 2 possibilities for …

GMAT OFFICIAL GUIDE DS Solution: We need to determine the value of t. Statement One Alone: s + t = 6 + s We can subtract s from both …

GMAT OFFICIAL GUIDE DS Solution: We are given that u > 0 and that v > 0. We must determine whether u^v is greater than v^u. Statement One Alone: …

GMAT OFFICIAL GUIDE DS We are given the following diagram: We need to determine the degree measure of ∠BAC, which is also the degree measure of ∠BAD. Statement One …

GMAT OFFICIAL GUIDE PS Solution: This is a permutation problem, because the order of the letters matters. Let’s first determine how many ways we can arrange the letters. Since …