Choose the correct alternative for the given relation.

House : Garbage : : Ore : ? 

Choose the correct alternative for the given relation.

Yen : Currency

Trumpet is to Band as Knife is to......

Scrupulous is related to principles in the same way ethical is related to......

Choose the correct alternative for the given relation.

Graphite : Lubricant

Catalogue is related to library books in the same way index is related to