$'Army'$ is related to $'Soldier'$ in the same way as $'School'$ is related to which of the following ?

Choose the correct alternative for the given relation.

Fire : Ashes : : Explosion : ?

Choose the correct alternative for the given relation.

Push : Pull : : Throw : ?

Boat is related to Oar in the same way as Bicycle is related to.........?

Algae is to water as virus is to........

Choose the correct alternative for the given relation.

Ass : Bray