I am going to share with you one trick which one great teacher, Mr S.K. Jha taught me. Simple arithmetical problems of
Finding out selling price, when cost price and margin (percentage of profit on Sale) are given. Or,
Finding out cost price when Sale price is given and percentage of profit on cost is given.
Finding out the mark-up when cost price and Sale price are given.
We all have seen occurrence of such problems in our academic life and day-to-day life. All the time we need a paper – pen or a calculator. But now with the process given below I believe we can solve any such problem in our mind. Read More