Mathematical an...

D said "A's father is the only brother of my sisters son." How is A's father related to D?

In a certain code, N O V E M B E R   is coded as O N V E M B E R then what is the code of T H U R S D A Y ? 

In a certain code 'HALF' is written as 'IAMG' and 'TWICE' is written as 'UXIDE' How would 'HAEMATIN' be written in the same code?

IF in a certain language THEN is coded as RLBS then which word is coded as AEPJ?

In questions three alternatives are alike in a certain way but the rest one is different. Find out the odd one and write correct answer.

If a certain language GONE is coded as ILPB then for what word do the letters EOKY stand?

If in a coded language the word 'EAST' is written as 'FAST' and 'BAT' is written as 'CAT', then in the same coded language 'RAT' will be written as 

 In a coded language 'NUMBER' is written as 'PSOZGP'. Then in the same coded language 'BLOOD' will be written as

If MACHINE is coded as 19-7-9-14-15-20-11, how will you code DANGER? 

If three members are girls the other members of the team can be