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: …
What is the value of n…
October 29, 2015
GMAT OFFICIAL GUIDE DS Solution: We need to determine the value of n in the list: n, 15, 12, 9, 20. Statement One Alone: n > 12 Only knowing …
In triangle PQR, if PQ = x, QR = x + 2, and PR = y…
October 29, 2015
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 …
The number of seats in the first row of an auditorium is 18…
October 29, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that there are 18 seats in the first row of an auditorium and that in each row after the first there …