Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number.

(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 /deleting /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)
12 : 20 :: 8 : 12 :: 34 : ?

Select the related word / letters / number from the given alternatives.
4 : 20 :: 8 ? 

Select the option that is related to the fourth term in the same way as the first term is related to the second term and the fifth term is related to the sixth term.
 8 : 496 :: ? : 204 :: 9 : 711

Select the option in which the two numbers are related in the same way as are the numbers in the given number-pair.
 382 : 283 :: ?

Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term.
 5 : 14 :: 12 : ? :: 17 : 86

Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term.
 14 : 21 :: 34 : ? :: 47 : 87

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)

(16, 7, 112)

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.
 10 : 0 :: 12 : ? :: 16 : 3