In letter coding type of questions, the real alphabets in a word are replaced be certain other alphabets according to a specific rule to form its code. The candidate is required to detect the common rule and answer the questions accordingly.
If in a certain language CARROM is coded as BZQQNL, which word will be coded as HOUSE ?
Each letter of the word is one step ahead of the corresponding letter of the code.
(B → C), (Z → A), (Q → R), (Q → R), (N → O), (L → M)
(H → I), (O → P), (U → V), (S → T), (E → F)
So, House is coded IPVTF.
Hence, the answer is (a).