Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it.

a_b_ba_b_ba 

In a certain code language, if EXTRANET is coded as 9*416394 and TECHNOLOGY is coded as 492735850#, then TOLERANCE will be coded as? 

If SUMMER is coded as RUNNER, the code for WINTER will be

Find the missing number?

In a specific code language, a driver is called a farmer, a farmer is called an engineer, and an engineer is called a doctor. So who will plough the field? 

In a certain code language “RESIST” is written as “OANPOE” and “DIGENE” is written as “CEZAJA”. How is “GINGER” written in that code language? 

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.