(3) that Find the number of different ways in which all 8 letters of the word TANZANIA can be arranged so (i) all the letters A are together. [2] (ii) the first letter is a consonant and the second letter is a vowel, and the third letter is a consonant, the fourth letter is a vowel and so on alternately. [3) 4 of the 8 letters of the word TANZANIA are selected. How many possible selections contain (ii) exactly 1 N and 1 A. [2] (iv) exactly I N? 13]