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 …
Tag: GMAT OG 2018
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 …
What is the value of (2t + t – x)/(t – x)?
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We need to determine the value of (2t + t – x)/(t – x). Using the distributive property we can rewrite this expression as: …
If n is a positive integer, then (√3+1)^2n – (√3-1)^2n is…
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that n is a positive integer, and we must determine the tens digit of n. Statement One Alone: The hundreds digit …
In a certain business, production index p is directly
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that production index p is directly proportional to efficiency index e, which is in turn directly proportional to investment index i. …
If n and k are positive integers, is n divisible by 6?
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that n and k are positive integers, and we must determine whether √(n + k)> 2√n. We first square both sides …
What is the value of x – y
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We need to determine the value of x + y in the given figure. Let’s start by sketching the figure. In analyzing the angles …