Chef is related to Restaurant in the same way as Druggist is related to

Choose the correct alternative for the given relation.

Ribs : Lungs

If $'IN'$ is written as $'KQ'$ then what will be written as $'FR'$ ?

Which of the following pairs have the same relationship as $FINCH : BIRD$ ?

Brain is related to cranium in the same way pearl is related to.......

Labourer is related to wages in the same way enterpreneur is related to..........