Principle of induction

How to solve similar problems in a few seconds, Profit and loss problem 2, Domain modeling

thumb_How to solve in a few seconds profit and loss problem 2, Domain modeling

A man sells two wrist watches one at a profit of 50% and another at a loss of 50%, but each at a same selling price of Rs.300. The net profit or loss is...This type of problem can be solved in a few seconds if you can form its Domain model by Abstraction and Repeated solving of similar problems with controlled variation...

Subscribe to RSS - Principle of induction