conditions:
1. If both the first and the last letters in the group are vowels both should be coded as.
2. If both the first and the last letters in the grou are consonants both should be coded as `#`.
KUNAJB

Options

A. 803917
B. $0391$
C. # 0391 #
D. # 0391 $

Answer

C

Explanation

We know that, In English alphabets A, E, I , O , U letes are vowels and remaining letters are consonants.
From condition (ii)
`{:(K , U , N , A , J , B),(darr, darr, darr, darr, darr, darr), (#, 0, 3, 9, 1, #):}`