Which type of epithelial tissue allows transportation of substances through a selective permeable surface in the lining of food vessels or lung alveoli?
If the average total cost are Rs 54, total fixed cost is Rs 45000 and quantity produced is 2500 units, find the average variable costs (in Rs) of the firm?
In April 2017, on the birth anniversary of Dr. B. R. Ambedkar which body announced the winners of Lucky Draw Schemes like ‘Lucky Grahak Yojana’ and ‘Digi-Dhan Vyapar Yojana’?