Who among the following is the current CEO of NITI

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

125 : 243 :: 64 : ( ?)

65 : 31 :: 72 : ? :: 34 : 19

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

Horse: Filly:: Cockroach:?

Four of the five among the following are similar in such a way to form a group, which one of the following doesn’t belong to the group?

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

Painter : Brush :: Writer : ?

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

56: 1331 :: 78 : ?