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The following table shows the total sechedule of a firm. What is the total fixed cost schedule of the firm? Calculate the TVC, AFC, AVC, SAC (Short-run Average Cost or AC) and SMC (Short-run Marginal Cost or MC) schedules of the firm.

The childern are trying to shoot a marble into a marble into a small box using a spring loaded gun that fixed on a table and shoots horizontally from the edge of the table. The centre of the box is a horizontal distance 5m from the edge of the table. The first child compresses the spring a distance 2cm and finds that the marble falls short of its target by a horizontal distance 3m . By what distance x should the second child compress the spring to score a direct hit on the box?

The following table shows marks secured by the students of a class in an examination in English: {:("Marks",0-10,10-20,20-30,30-40,40-50),("Number of Students"," "20," "24," "40," "36," "20):} Calculte mean marks using Short-cut Method.

The short form of the modern periodic table of the elements (also called Bohr's table) is the most convenient and widely used version of the periodic table. It consists of_______horizontal rows called periods and________vertical columbs called groups.

Number of short periods in Mendeleef table