In a certain code, 2 is coded as P, 3 as N, 9 as Q, 5 as R, 4 as A and 6 as B.
How is 599423 coded in that code ?

D. RQQAPN

If in a certain code language, '324' means 'Light is bright', '629' means 'Girl is beautiful' and '4758' means 'I prefer bright clothes', which digit means 'Light' in that language ?

A. 3

If in a certain code, TWENTY is written as 863985 and ELEVEN is written as 323039, how is TWELVE written in that code ?

A. 863203

If book is called watch, watch is called bag, bag is called dictionary and dictionary is called window, which is used to carry the books ?

A. DICTIONARY

The number in each question bleow is to be codified in the following code:
Digit 7 2 1 5 3 9 8 6 4
Letter W L M S I N D J B
->  184632

D. MDBJIL