the buying and selling rate of US dollar in a bank is rs 105.10 and rs 105.95 respectively if $50000 is bought and sold by the bank .what profit made by the bank is NRS?.options rs.42500.next.50500.next600 next...62500

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min