In the following question a certain relation exists between the first two words. The same relation also exists between the third and the fourth word. Out of these four words one word is missing and is denoted by a question mark in the question. Find out the missing word from the words given below.
Ankle : Knee :: Wrist : ?

Elbow

The missing word is Elbow.

The relation between ankle and knee is that the ankle is the joint between the foot and the lower leg, while the knee is the joint between the thigh and the lower leg. Similarly, the wrist is the joint between the hand and the forearm, while the elbow is the joint between the upper arm and the forearm.

• Hand is a part of the upper limb, not a joint.
• Finger is a part of the hand, not a joint.
• Foot is the end of the lower limb, not a joint.