Stocks, Shares and Partnership Tricks and Formulas
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Stocks and Shares

Brokerage: The broker’s charge is called brokerage.

When stock is purchased, brokerage is added to the cost price.

When the stock is sold, brokerage is subtracted from the selling price.

The selling price of a Rs. 100 stock is said to be:

at par, if S.P. is Rs. 100 exactly;

above par (or at premium), if S.P. is more than Rs. 100;

below par (or at discount), if S.P. is less than Rs. 100.


By ‘a Rs. 800, 9% stock at 95’, we mean a stock whose face value is Rs. 800, annual Interest is 9% of the face value and the market price of a Rs. 100 stock is Rs. 95.
Partnership

If a number of partners have invested ina business and it has a profit, then Share Of Partner Chain Rule

The cost of articles is directly proportional to the number of articles.

The work done is directly proportional to the number of men working at it.

The time (number of days) required to complete a job is inversely proportional to the number of hours per day allocated to the job.

Time taken to cover a distance is inversely proportional to the speed of the car.