A certain high school with a total enrollment of 900 students…
May 19, 2016
GMAT OFFICIAL GUIDE DS Solution: We want to find out the number of students who attended the science fair on all three days. Statement One Alone: Of the students …
Tag: Official Guide for GMAT Review 13th Edition
In triangle ABC, point X is the midpoint…
May 6, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that in triangle ABC, point X is the midpoint of side AC, point Y is the midpoint of side BC, point …
What is the median number of employees assigned per project…
May 6, 2016
GMAT OFFICIAL GUIDE DS Solution: We want to know the median number of employees assigned per project for the projects at Company Z. Recall that the median is the …
A school administrator will assign each student in a…
May 6, 2016
A school administrator will assign each student in a… Solution: The first task in solving this question is to determine exactly what is being given and what is being asked. …
Tom, Jane, and Sue each purchased a new house. The average…
May 6, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that Tom, Jane, and Sue each purchased a new house. We are also given that the average (arithmetic mean) price of …
Marcia’s bucket can hold a maximum of how many liters of water…
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We need to determine the maximum number of liters that Marcia’s bucket can hold. Statement One Alone: The bucket currently contains 9 liters of …
If x, y, and z are positive integers such that x is a factor of y, and…
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that x, y, and z are positive integers, and we need to determine whether x – y is odd. We must …
If n is an integer…
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We need to determine whether n is an integer. Statement One Alone: n^2 is an integer. If n^2 is an integer, n could be …