Which of the following least number can be subtracted from 2486 to make it a perfect square?

In a certain code DATE is written as 904, then how can SOME be written in that code?

Choose the pair which is related in the same way as the words in the first pair from the given choices.
TENNIS: COURT ∷ BOXING: __________

Choose the one which is different or odd form the following.

If A =1 and OAR = 34, then ROAR =? 

If the code for MOTHER is JRQKBU then what is the code for PRINCIPAL?

If HEAR is written as KJHA, then MILK can written as

If ‘god is fair’ = ‘ge se fa’, ‘who is god’= ‘ge we fa’ and ‘you are god’ = ‘ne le fa’, which code does represent ‘is’?