Direction.
In these questions, two words will be given to you, and these two words will have some kind of a relationship which relates them in a particular way. After finding this relationship, you have to pick the right option which has words related in a similar way:
PUPIL : EYE : :
Elbow : Wrist
Teeth : Mouth
Arm : Leg
Fist : Hand
Correct Answer :
B. Teeth : Mouth
Just as the pupil is a part of the eye. so also the teeth are part of the mouth.