In each question below, is given a group of letters followed by found combinations of digits/symbols numbered (a), (b), (c) and (d). You have to find out which of the four combinations correctly represents combination as your answer. If none of the combinations correctly represents the group of letters, mark (e) ‘None of these’, as your answer
(i) If the first letter is a consonant and the third letter is a vowel, their codes are to be interchanged. (ii) If the first letter is a vowel and the fourth letter is a consonant, both are to be coded as the code for the vowel. (iii) If the second and the third letters are consonants, both are to be coded as the code for the third letter.