Denigrade is to Devalue as Upgrade is to.......?

Choose the correct alternative for the given relation.

Origami : Paper : : Ikebana : ?

Choose the correct description for the given relation.

Species : Genera : Family

Which of the following pairs have the same relationship as $BRISTLE : BRUSH$ ?

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Taj Mahal : Agra

Choose the correct alternative for the given relation.

Yen : Currency