How many & how much?
The engineering department was arranging for a rather expensive catered lunch to bid farewell to their retiring
colleague. They calculated that it would cost each person $30. One good mathematician remarked, “It’s lucky that
there aren’t five fewer of us to split the bill, or it would be $10 more from each.”
How many engineers split the bill, and how much did it cost?
Click here for the solution
Twenty people split a $600 bill.
A man is trapped in a room. The room has only two possible exits: two doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing...