Carmen currently works 30 hours per week at her part-time…
October 30, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that Carmen works 30 hours per week and that her wage is to increase by $1.50 per hour. We must determine …
Tag: data sufficiency
If n is an integer, is n/7 an integer? (1) 3n/7 is an integer (2) 5n/7…
October 30, 2015
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 …
The profit from the sale of a certain appliance increases…
October 30, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that the profit from a sale of a certain appliance increases with the number of units sold. We need to determine …
On a certain date, Hannah invested…
October 30, 2015
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 …
If the sequence S has 300 terms, what is the 293rd term of S
October 30, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that sequence S has 300 terms, and we need to determine the 293rd term of S. Statement One Alone: The 298th …
In Mr. Smith’s class, what is the ratio of…
October 30, 2015
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 …
On a recent trip, Mary drove 50 miles. What was the average…
October 30, 2015
GMAT OFFICIAL GUIDE DS Solution: We are being tested on average speed. The formula for average speed is: average speed = total distance/total time We are given that the …
What percent of the drama club members enrolled…
October 30, 2015
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: …