(a)How many different ways can the letters of the word "BRKIZOVER" be arranged in a row?
(b)How many different ways can the letters of the word "BRKIZOVER" be arranged in a row if it is required that the letters IZO remain next to each other in order?
(c)If the letters of "BRKIZOVER" is arranged in a row, what is the probability that the letters IZO remain next to each other.