Author: Scott Woodbury-Stewart

GMAT OFFICIAL GUIDE DS Solution: We are given that t denotes the thousandths digit of 0.43t7. We need to determine the value of t. Statement One Alone: If d …

GMAT OFFICIAL GUIDE DS Solution: We are given that 90 students auditioned for a musical, and we need to determine how many were accepted. Statement One Alone: 2/3 of …

GMAT OFFICIAL GUIDE DS Solution: We need to determine whether integer n is even. Let’s review four facts about even and odd integers: 1) An integer and its square …

GMAT OFFICIAL GUIDE DS Solution: We are given that Hannah invested $5,000 at x percent simple annual interest and invested another amount at y percent simple annual interest. We …

GMAT OFFICIAL GUIDE DS Solution: We need to determine the ratio of the number of boys to the number of girls. If we denote the number of boys as …

GMAT OFFICIAL GUIDE DS – Solution: An easy way to solve the problem is to set up a double set matrix. In our matrix we have two main categories: …

GMAT OFFICIAL GUIDE DS Solution: We start by sketching the triangle. We need to determine the angle with the greatest degree measure. Remember that the angle with the greatest …

GMAT OFFICIAL GUIDE DS Solution: We are given that n + k = m, and we need to determine the value of k. Since we know that n + …