Choose the correct alternative for the given relation.

Mountain : Valley : : Genius : ?

Choose the correct alternative for the given relation.

Oceans : Deserts : : Waves : ?

Choose the correct description for the given relation.

Factotiem : Maid : Butler

Choose the correct alternative for the given relation.

Duralumin : Aircraft

Waves are related to Air in the same way as Ripples are related to

Choose the correct alternative for the given relation.

Indra : Rainfall