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 …
Tag: data sufficiency
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 …
Mary persuaded n friends to donate $500 each to her election…
May 4, 2016
GMAT OFFICIAL GUIDE DS – Solution: Mary persuaded n friends to donate $500 each to her election campaign, and then each of these n friends persuaded n more people …
In a survey of 200 college graduates, 30 percent said they…
April 28, 2016
GMAT OFFICIAL GUIDE DS Solution: The easiest way to solve this problem is to set up a double set matrix. In our matrix we have two main categories: student …