c)---720
Number of signals using one flag = 6P1 = 6Number of signals using two flags = 6P2 = 30Number of signals using three flags = 6P3 = 120Number of signals using four flags = 6P4 = 360Number of signals using five flags = 6P5 = 720Number of signals using all six flags = 6P6 = 720Therefore the total number of signals using
answer is 720
sir please send it,s solution
