Analogy Questions

In the following question, select the related number from the given alternatives.
ACOUSTIC : 91 : : RENOUNCE : ?

Select the related word/letters/numbers from the given alternatives:
3 : 243 :: 5 : ?

Select the related letters from the given alternatives.
WVT : SRP :: MLJ : ?

Find out the odd word/letters/number/number pair from the given alternatives.

Select the related word from the given alternatives.
River : Stream :: Ocean : ?

Select the related word/letters/number from the given alternatives.
DI : M : : CR : ?

Select the related letters from the given alternatives.
DFI : ACF :: OQT : ?

In the following question, select the related word from the given alternatives.
Bark : Dog : : ? : Sparrow