Answer the questions based on the information given

From the given alternatives, select the one in which the set of numbers is most like the set of numbers given in the question:

(4, 6, 30)

Select the letter cluster from among the given options that can replace the question mark (?) in the following series.

WGM, ZLT, CQA, ?, IAO, LFV

England: Apple:: Iran: ? 

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

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

Rose: Flower :: Oak: ?

Nephrology’ is related to ‘Kidney’ in the same way as ‘Eccrinology’ is related to ‘______’.

Select the correct option that indicates the arrangement of the given words in the order in which they appear in an English dictionary.

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