Computing hashing question. Urgent

[$!$RatJumper$!$]

Guys my exam is tomorrow and i only just realised i didnt learn about hashing and have no idea on how to answer this question:

May/June 2007 Q12 (b)

Any help would be greatly appreciated.

Thankx

[elemis]

http://en.wikipedia.org/wiki/Hash_table

http://www.google.com/search?ie=UTF-8&oe=UTF-8&sourceid=navclient&gfns=1&q=computing+hashing