The value of k so that following is probability mass

Select the word pair in which the two words are related in the same way as the two words in the following word-pair.  

Six : Hexagon

Select the option that is related to the fourth word in the same way the second word is related to the first word.

REST : TBUQ:: VALUES:?

If 24 @ 6 = 28 and 39 @ 24 = 102, then 22 @ 16 = '?'.

Which letter cluster will replace the question mark (?) to complete the given series?

abCD, fgHI, ?, stUV, abCD

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

GZO : LAT : : SVO : LEH : : NVE : ?

Select the option in which the letters share the same relationship as that shared by the given pair of letters. 

LV : PZ

Consider the following statements:

Assertion (A): The President of India is not the constitutional head of the State.

Select the option that is NOT like the given set.

(8, 40, 56)