Author: Scott Woodbury-Stewart

GMAT OFFICIAL GUIDE DS Solution: We are given the following expression: S = (2/n)/(1/x + 2/(3x)), and we must determine a value for S. Before moving to the statements, …

GMAT OFFICIAL GUIDE DS Solution: We are given a diagram in the coordinate plane. Let’s sketch this below. <img class="alignnone wp-image-2195 size-full" src="https://blog.targettestprep.com/wp-content/uploads/2016/05/Screen-Shot-2016-05-05-at-2.39.40-PM.png" alt="In the rectangular coordinate system above, …

GMAT OFFICIAL GUIDE DS Solution: We begin by sketching the diagram. We are given that the area of triangular region D is 4, and we must determine the length …

GMAT OFFICIAL GUIDE DS Solution: In analyzing whether r/s is a terminating decimal, we can use the following rule: The decimal equivalent of a fraction will terminate if and …

GMAT OFFICIAL GUIDE DS Solution: We are given a diagram of quadrilateral RSTU. Let’s sketch it below: We are given that RU is parallel to side ST and that …

GMAT OFFICIAL GUIDE DS Solution: We are given that when a coin was tossed a certain number of times, 4 more heads than tails resulted. If we let H …

GMAT OFFICIAL GUIDE DS Solution: We need to determine whether Juan’s appointment was on Wednesday. Statement One Alone:  Exactly 60 hours before the appointment, it was Monday. Although we …

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