If "PRIMATE" is coded as "MOFJXQB", then how will "COW" be coded as?

In a certain code language, '743' means 'Mangoes are good', '657' means 'eat good food' and '934' means 'Mangoes are ripe'. Which digit means 'ripe' in that language code? 

In a certain code language, "BANGED" is written as "JJKQCC" and "TILTS" is written as "XXOKU". How is "STRAY" written in that code language? 

In a certain code language, "CAGES" is written as " NADYB" and "SILVER" is written as "LZRIGR". How is "WATER" written in that code language? 

If A = 2, M=26, Z=52, then BET =?

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 ? 

If 'light’ is called ‘morning’, ‘morning’ is called 'dark’, 'dark’ is called 'night’, ‘night’ is called ‘sunshine’ and ‘sunshine’ is called ‘dusk’, when do we sleep? 

If in a certain language, GRASP is coded as BMVNK, then how the word 'CRANE’ will be coded?