Who is the CEO of multinational conglomerate holding

Select the option that is related to the third letter-cluster in the same way as the irst letter-cluster is related to the second letter cluster.

Select the related number from the given alternatives:

12 : 39 :: ? : 57

If 21 @ 16 = 12 and 30 @ 25 = 12, then 22 @ 17 = ?'. What will come in place of question mark?

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

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

AOE : FUJ :: RKT : ?

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

24 : 126 :: 48 : ?

Select the option in which the pair of letter clusters is related in the same way as the pair of letter clusters given below.

GPU: KTY