________ is a software system allowing extensive

In the following question, select the number which can be placed at the sign of question mark (?) from the given alternatives.

Select the related word from the given alternatives:

Ephemeral : Perpetual :: Zenith : ?

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

If 12 # 34 = 14 and 67 # 88 = 106, then 45 # 67 = ?

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

13 : 2366 :: 8 : ?

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

SURPRISE : HSPNPGQV :: EMPATHY : ?

Select the related number from the given alternatives.

54: 25:: 78: ?