If 4593 = 63, 7658 = 78, 885 = 63, then 9783 = ?

Select the related number from the given alternatives.

42: 12:: 67: ?

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 combination of letters that when placed sequentially in the blanks of the given series will complete the series.

Given set:  [99, 200, 301]

Select the related word from the given alternatives.

Lemon : Sour :: Jaggery : ?

If all the alphabets of alphabetical series are numbered as 26-1 from A-Z then what is the sum of the numbers of letters of the word “HUMBLE”?