In a certain city, 60% of the registered voters are democrats…
May 6, 2015
GMAT OFFICIAL GUIDE PS Solution: We are given that 60 percent of the voters are Democrats and the rest are Republicans. This means that 40 percent are Republicans. We …
Author: Jeff Miller
A ladder of a fire truck is elevated to an angle…
May 6, 2015
GMAT OFFICIAL GUIDE PS Solution: We are given that the ladder of a fire truck is elevated to an angle 60 degrees above the ground and that the ladder …
In an increasing sequence of 10 consecutive integers…
May 6, 2015
In an increasing sequence of 10 consecutive integers… Solution: In solving this problem we must first remember that when we have 10 consecutive integers we can display those in …
The total cost for Company X to produce a batch…
May 6, 2015
GMAT OFFICIAL GUIDE PS Solution: The problem first asks us to calculate the gross profit. The profit equation is as follows: Profit = Revenue – Cost In this particular …
Leona bought a 1-year, $10,000 certificate…
May 6, 2015
GMAT OFFICIAL GUIDE PS Solution: We use the compound interest equation: Future Value = (Present Value)(1 + r/n)^nt where r is the annual interest rate, n is the number …
In the Johnsons’ monthly budget, the dollar amounts allocated…
May 6, 2015
GMAT OFFICIAL GUIDE PS Solution: To solve this question, it will be best to first express the given ratio using variable multipliers. Thus, we have: Household Expenses : Food …
M is the sum of the reciprocals of the consecutive integers…
May 6, 2015
GMAT OFFICIAL GUIDE PS Solution: Let’s first analyze the question. We are trying to find a potential range for M, and M is equal to the sum of the …
At least 2/3 of the 40 members of a committee must vote in
May 6, 2015
GMAT OFFICIAL GUIDE PS Solution: This problem tests our understanding of fractions. Any time we see a fraction on the GMAT there is a good chance that they will …