In a certain language, 'pre nat bis' means 'smoking is harmful';
'vog dor nat' means 'avoid harmful habit' and
'dor bis yel' means 'please avoid smoking'.
Which of the following means 'habit' in that language ?

A. VOG

In a certain code, '247' means 'spread red carpet' ; '256' means 'dust one carpet' and '234' means 'one red carpet'. Which digit in that code means 'dust' ?

C. 5

If in a code language, COULD is written as BNTKC and MARGIN is written as LZQFHM, how will MOULDING be written in that code ?

C. LNTKCHMF

If in a certain language, POPULAR is coded as QPQVMBS, which word would be coded as GBNPVT ?

B. FAMOUS

If D = 4 and COVER = 63 then BASIS = ?

B. 50