Directions: In each of the following questions, select the related number from the given alternatives.

3:81 :: 6:?

Select the option that is related to the third word in the same way as the second word is related to the first word. (The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word.)
 Rice : Grain:: Lentils: ?

Select the option that is related to the third term in the same way as the second term is related to the first term.

Colour : Red :: Profession : ?

Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is related to the fifth number.
 37 : 100 :: 24 : ? :: 29 : 76

Select the set in which the numbers are related in the same way as are the numbers of the following set. (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).
 (16, 7, 37)
 (28, 9, 55)

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)

(7, 4, 56)
(8, 3, 48)

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)

(4, 25, 6)
(8, 25, 3)

Select the option in which the pair of letter-clusters share the same relationship as that shared by the given pair of letter-clusters.
CRO : FUR :: ?