Tough and Tricky questions: Work/Rate Problems.
A group of 4 junior lawyers require 6 hours to complete a legal research assignment. How many hours would it take a group of two legal assistants to complete the same research assignment assuming that a legal assistant works at two-thirds the rate of a junior lawyer?
Source: Chili Hot GMAT	Choose the correct choice
A) 8  B) 10  C) 9  D) 6  E) 5
# of people times the # of hours:   4*6= 
<gadget id="calculator">4*6</gadget>
<output>24</output>
24 --&gt; 6 lawyers do 24worksin 5 hours.   2*12/3= 
<gadget id="calculator">2*12/3</gadget>
<output>8</output>
8 --&gt; 3 assistants do 8 worksin 4 hours   So, since the amount of work the assistants do is half the work the lawyers do, the time will be double, so8NS 8
<result>A</result>
Tough and Tricky questions: Work/Rate Problems.
A group of 4 junior lawyers require 6 hours to complete a legal research assignment. How many hours would it take a group of two legal assistants to complete the same research assignment assuming that a legal assistant works at two-thirds the rate of a junior lawyer?
Source: Chili Hot GMAT