If r and s are positive integers is r/s an integer?
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: We need to determine whether the fraction r/s can be expressed as a decimal with only a finite number of nonzero digits. In other …
Tag: Official Guide for GMAT Review 13th Edition
In the figure above, is the area of triangular region ABC
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: Let’s start by sketching out the figure and labeling the sides. We need to determine whether the area of triangular region ABC equal is …
At a bakery, all donuts are priced equally and all bagels…
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that all donuts are priced equally and all bagels are priced equally and need to determine the total price of 5 …
A total of $60,000 was invested for one year. Part of this…
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that $60,000 was invested for 1 year. We are also given that part of the investment earned x percent simple annual …
Each week a certain salesman is paid a fixed amount equal to…
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that a salesman is paid $300, plus a commission equal to 5 percent of the amount of his sales over $1,000. …
Is the positive two-digit integer N less than 40…
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: We need to determine whether the positive two-digit integer N is less than 40. Statement One Alone: The units digit of N is 6 …
In the xy-coordinate plane, triangle RST is equilateral…
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given points (-3,-3) and (1,-3), and we need to determine whether point R is equidistant from these points. Since the line segment …
What is the area of triangle ABC…
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given triangle ABC, with a base of AC and a height of BD. We can sketch the diagram below: We need to …