The Arjun carried some arrows for fighting with Bheeshm with half the arrows, he cut down the arrows thrown by Bheeshm on him and with six other arrows he the rath driver of Bheeshm. With one arrow each he knocked down respectively the rath, flag and the bow of Bheeshm. Finally, with one more than four times the square root of arrows he *** Bheeshm unconscious on an arrow bed.
(i) Find the total number of arrows Arjun had.
(ii) Which mathematical concept is used in the above problem ?
(iii) Which value should be promoted in this problem?