Question 1110804
.
<pre>
To get the answer to the question a), multiply

   - the number of routes from a person’s home by

   - the number of parking lots where she works by

   - the number of entrances into her building by

   - the number of elevators to her floor by
 
   - the number of routes from each elevator to her office door.
</pre>

Good problem for the Day of April, 1.


-----------------------


<H3>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;April, 1 is an International Fools' day</H3>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;For further info see this Wikipedia article


<pre>
          https://en.wikipedia.org/wiki/April_Fools%27_Day
</pre>