The pc technician offers help with computer 

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pc technician says that even windows 7 needs a good anti-virus program, you can get free software 

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virus help

PC Technician presents simple derivation for E=MC2

Here's a problem Einstein liked to give

There are 5 houses in 5 different colors. In each house lives
a man with a different nationality. The 5 owners drink a certain 
type of beverage, smoke a certain brand of cigar, and keep a certain 
pet. No owners have the same pet, smoke the same brand of cigar or 
drink the same beverage. The question is: "Who owns the fish?" 


The Brit lives in the red house. 
The Swede keeps dogs as pets. 
The Dane drinks tea. 
The green house is on the left of the white house. 
The green house's owner drinks coffee. 
The person who smokes Pall Mall rears birds. 
The owner of the yellow house smokes Dunhill. 
The man living in the center house drinks milk. 
The Norwegian lives in the first house. 
The man who smokes Blends lives next to the one who keeps cats. 
The man who keeps the horse lives next to the man who smokes Dunhill. 
The owner who smokes Bluemasters drinks beer. 
The German smokes Prince. 
The Norwegian lives next to the blue house. 
The man who smokes Blends has a neighbor who drinks water.

Ans: Mouse over the bookworm

Try another problem - not from Einstein

In the arithmetic of the land of Oz, 14 is a factor of 41.
What is the base of the number system in Oz?

Ans: Mouse over the bookworm

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