South is related to North-West in the same way as West is related to

Victory is related to Happiness in the same way as Failure is related to........?

Choose the correct alternative for the word belongs to the same group.

Marble : Slate : Gneiss

Firm is related to Flabby in the same way as Piquant is related to..........?

Choose the correct alternative for the given relation.

$324 \,: \,162$

Choose the correct alternative for the given relation.

Yawn : Boredom