Select the related word/letters/number from the given alternatives.

5 : 100 : : 6 : ?

Choosing the analogous pair.
7 : 24

In the following question, select the related number from the given alternatives.
3 : 27 : : 4 : ?

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.

23 : 72 :: 38 : 117 :: 46 : ?

Select the option that is related to the third term in the same way as the second term is related to the first term.
$$ {7\over {50}}:{9\over {82}}:: {13\over170}:?$$

From among the given alternatives select the one in which the set of numbers is most like the set of numbers given in the question.
Given Set : (13, 14, 182)

Select the number pair in which the two number are related in the same way as 
27 : 8

Study the given pattern carefully and select the number that can replace the question mark (?) in it.
 First row: 73, 52, 75
 Second row:64, 41, 63
 Third row: 68, 47, ?

(NOTE: Operations should be performed on the whole numbers, without breaking down the number into its constituent digits. For example, 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.)