Clock: Time:: Thermometer:? 

A man is 3 years older than his wife and four times as old as his son. If the son becomes 15 years old after 3 years, what is the present age of the wife? 

In a certain code language, ORBIT is written as LUYLQ. How will GRADUATE be written as in that language?

In a language FIFTY is written as CACTY, CAR as POL, TAR as TOL, how can TARIFF be written in that 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? 

Ravi is 7 ranks ahead of Sumit in a class of 39. If Sumit's rank is seventeenth from the last, what is Ravi's rank from the start?

ADCB : KNML :: EHGF : ? 

In a code language MANAGER is written as REGANAM, then how will MOTION be written in that code language?