Working simultaneously and independently at an identical constant rate, 4 machines…
May 13, 2016
GMAT OFFICIAL GUIDE PS Solution: We are given that 4 machines can produce a total of x units in 6 days. Since rate = work/time, the rate of the …
Author: Jeff Miller
The graph of which of the following equations is a straight line that…
May 10, 2016
GMAT OFFICIAL GUIDE PS Solution: We are given a line with a positive slope (i.e., sloping upward from left to right) that intersects the x-axis at point (-3,0) and …
The parallelogram shown has four sides of equal length. What is the…
May 10, 2016
GMAT OFFICIAL GUIDE PS Solution: We are given a parallelogram of all equal sides, and we must determine the ratio of the length of the shorter diagonal to that …
In a box of 12 pens, a total of 3 are defective. If a customer…
May 10, 2016
GMAT OFFICIAL GUIDE PS Solution: We are given that in a box of 12 pens, 3 are defective and thus 9 are not defective. We must determine the probability …
The interior of a rectangular carton is designed by a certain…
May 10, 2016
GMAT OFFICIAL GUIDE PS Solution: We are given that the ratio of length: width: height = 3 : 2 : 2 and we are also given that the volume …
A total of 22 men and 26 women were at a party…
May 10, 2016
GMAT OFFICIAL GUIDE PS Solution: 1) Since there are 48 people (22 men and 26 women) and the average age of all of them is 35, the total ages …
If n is a positive integer and the product of all integers…
May 10, 2016
GMAT OFFICIAL GUIDE PS Solution: We are given that the product of all integers from 1 to n, inclusive, (i.e., n!) is a multiple of 990. Thus, n! = …
Each person who attended a company meeting was either…
May 10, 2016
GMAT OFFICIAL GUIDE PS Solution: This is an overlapping set question, and a good way to solve it is to set up a table with two categories: stockholder and …