25 : 81 : : 36 : ?

Direction: In the following question, select the related letters from the given alternatives.
Touch : Feel :: Great : ? 

Given set
10.5, 15.0, 21.5 

Select the set in which the numbers are related in the same way as are the numbers of the following sets. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E. g. 13 – Operations on 13 such as adding / subtracting / multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)

(11, 33, 17)
(18, 44, 21)

BORE : 10 :: HOTEL : ? 

Select the odd word from the given alternatives.

What is value placed at Question mark?
10.1: 1.01 ::  0.1: ?

In each of the following questions. Select the related letter/ word/ number from the given alternatives.

WRITE : XSJUF : : OPEAC : ?